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 // bug: this is done in screen_update_areas() already
516 // for (it = client_list; it; it = g_list_next(it)) {
517 // client_move_onscreen(it->data, FALSE);
518 // client_reconfigure(it->data, FALSE);
522 void screen_set_num_desktops(guint num)
525 GList *it, *stacking_copy;
529 if (screen_num_desktops == num) return;
531 screen_num_desktops = num;
532 OBT_PROP_SET32(obt_root(ob_screen), NET_NUMBER_OF_DESKTOPS, CARDINAL, num);
534 /* set the viewport hint */
535 viewport = g_new0(gulong, num * 2);
536 OBT_PROP_SETA32(obt_root(ob_screen),
537 NET_DESKTOP_VIEWPORT, CARDINAL, viewport, num * 2);
540 /* the number of rows/columns will differ */
541 screen_update_layout();
543 /* move windows on desktops that will no longer exist!
544 make a copy of the list cuz we're changing it */
545 stacking_copy = g_list_copy(stacking_list);
546 for (it = g_list_last(stacking_copy); it; it = g_list_previous(it)) {
547 if (WINDOW_IS_CLIENT(it->data)) {
548 ObClient *c = it->data;
549 if (c->desktop != DESKTOP_ALL && c->desktop >= num)
550 client_set_desktop(c, num - 1, FALSE, TRUE);
551 /* raise all the windows that are on the current desktop which
553 else if (screen_desktop == num - 1 &&
554 (c->desktop == DESKTOP_ALL ||
555 c->desktop == screen_desktop))
556 stacking_raise(CLIENT_AS_WINDOW(c));
559 g_list_free(stacking_copy);
561 /* change our struts/area to match (after moving windows) */
562 screen_update_areas();
564 /* may be some unnamed desktops that we need to fill in with names
565 (after updating the areas so the popup can resize) */
566 screen_update_desktop_names();
568 /* change our desktop if we're on one that no longer exists! */
569 if (screen_desktop >= screen_num_desktops)
570 screen_set_desktop(num - 1, TRUE);
573 static void screen_fallback_focus(void)
578 /* only allow omnipresent windows to get focus on desktop change if
579 an omnipresent window is already focused (it'll keep focus probably, but
580 maybe not depending on mouse-focus options) */
581 allow_omni = focus_client && (client_normal(focus_client) &&
582 focus_client->desktop == DESKTOP_ALL);
584 /* the client moved there already so don't move focus. prevent flicker
585 on sendtodesktop + follow */
586 if (focus_client && focus_client->desktop == screen_desktop)
589 /* have to try focus here because when you leave an empty desktop
590 there is no focus out to watch for. also, we have different rules
591 here. we always allow it to look under the mouse pointer if
592 config_focus_last is FALSE
594 do this before hiding the windows so if helper windows are coming
595 with us, they don't get hidden
597 if ((c = focus_fallback(TRUE, !config_focus_last, allow_omni,
600 /* only do the flicker reducing stuff ahead of time if we are going
601 to call xsetinputfocus on the window ourselves. otherwise there is
602 no guarantee the window will actually take focus.. */
604 /* reduce flicker by hiliting now rather than waiting for the
605 server FocusIn event */
606 frame_adjust_focus(c->frame, TRUE);
607 /* do this here so that if you switch desktops to a window with
608 helper windows then the helper windows won't flash */
609 client_bring_helper_windows(c);
614 static gboolean last_desktop_func(gpointer data)
616 screen_desktop_timeout = TRUE;
617 OBT_PROP_SET32(obt_root(ob_screen), OB_LAST_DESKTOP, CARDINAL, screen_last_desktop);
618 screen_desktop_timer = 0;
619 return FALSE; /* don't repeat */
622 void screen_set_desktop(guint num, gboolean dofocus)
628 g_assert(num < screen_num_desktops);
630 previous = screen_desktop;
631 screen_desktop = num;
633 if (previous == num) return;
635 OBT_PROP_SET32(obt_root(ob_screen), NET_CURRENT_DESKTOP, CARDINAL, num);
637 /* This whole thing decides when/how to save the screen_last_desktop so
638 that it can be restored later if you want */
639 if (screen_desktop_timeout) {
640 /* If screen_desktop_timeout is true, then we've been on this desktop
641 long enough and we can save it as the last desktop. */
643 if (screen_last_desktop == previous)
644 /* this is the startup state only */
645 screen_old_desktop = screen_desktop;
647 /* save the "last desktop" as the "old desktop" */
648 screen_old_desktop = screen_last_desktop;
649 /* save the desktop we're coming from as the "last desktop" */
650 screen_last_desktop = previous;
654 /* If screen_desktop_timeout is false, then we just got to this desktop
655 and we are moving away again. */
657 if (screen_desktop == screen_last_desktop) {
658 /* If we are moving to the "last desktop" .. */
659 if (previous == screen_old_desktop) {
660 /* .. from the "old desktop", change the last desktop to
661 be where we are coming from */
662 screen_last_desktop = screen_old_desktop;
664 else if (screen_last_desktop == screen_old_desktop) {
665 /* .. and also to the "old desktop", change the "last
666 desktop" to be where we are coming from */
667 screen_last_desktop = previous;
670 /* .. from some other desktop, then set the "last desktop" to
671 be the saved "old desktop", i.e. where we were before the
673 screen_last_desktop = screen_old_desktop;
677 /* If we are moving to any desktop besides the "last desktop"..
678 (this is the normal case) */
679 if (screen_desktop == screen_old_desktop) {
680 /* If moving to the "old desktop", which is not the
681 "last desktop", don't save anything */
683 else if (previous == screen_old_desktop) {
684 /* If moving from the "old desktop", and not to the
685 "last desktop", don't save anything */
687 else if (screen_last_desktop == screen_old_desktop) {
688 /* If the "last desktop" is the same as "old desktop" and
689 you're not moving to the "last desktop" then save where
690 we're coming from as the "last desktop" */
691 screen_last_desktop = previous;
694 /* If the "last desktop" is different from the "old desktop"
695 and you're not moving to the "last desktop", then don't save
700 screen_desktop_timeout = FALSE;
701 if (screen_desktop_timer) g_source_remove(screen_desktop_timer);
702 screen_desktop_timer = g_timeout_add(REMEMBER_LAST_DESKTOP_TIME,
703 last_desktop_func, NULL);
705 ob_debug("Moving to desktop %d", num+1);
707 if (ob_state() == OB_STATE_RUNNING)
708 screen_show_desktop_popup(screen_desktop, FALSE);
710 /* ignore enter events caused by the move */
711 ignore_start = event_start_ignore_all_enters();
713 if (moveresize_client)
714 client_set_desktop(moveresize_client, num, TRUE, FALSE);
716 /* show windows before hiding the rest to lessen the enter/leave events */
718 /* show windows from top to bottom */
719 for (it = stacking_list; it; it = g_list_next(it)) {
720 if (WINDOW_IS_CLIENT(it->data)) {
721 ObClient *c = it->data;
726 if (dofocus) screen_fallback_focus();
728 /* hide windows from bottom to top */
729 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
730 if (WINDOW_IS_CLIENT(it->data)) {
731 ObClient *c = it->data;
732 if (client_hide(c)) {
733 if (c == focus_client) {
734 /* c was focused and we didn't do fallback clearly so make
735 sure openbox doesnt still consider the window focused.
736 this happens when using NextWindow with allDesktops,
737 since it doesnt want to move focus on desktop change,
738 but the focus is not going to stay with the current
739 window, which has now disappeared.
740 only do this if the client was actually hidden,
741 otherwise it can keep focus. */
742 focus_set_client(NULL);
748 focus_cycle_addremove(NULL, TRUE);
750 event_end_ignore_all_enters(ignore_start);
752 if (event_source_time() != CurrentTime)
753 screen_desktop_user_time = event_source_time();
756 void screen_add_desktop(gboolean current)
760 /* ignore enter events caused by this */
761 ignore_start = event_start_ignore_all_enters();
763 screen_set_num_desktops(screen_num_desktops+1);
765 /* move all the clients over */
769 for (it = client_list; it; it = g_list_next(it)) {
770 ObClient *c = it->data;
771 if (c->desktop != DESKTOP_ALL && c->desktop >= screen_desktop &&
772 /* don't move direct children, they'll be moved with their
773 parent - which will have to be on the same desktop */
774 !client_direct_parent(c))
776 ob_debug("moving window %s", c->title);
777 client_set_desktop(c, c->desktop+1, FALSE, TRUE);
782 event_end_ignore_all_enters(ignore_start);
785 void screen_remove_desktop(gboolean current)
787 guint rmdesktop, movedesktop;
788 GList *it, *stacking_copy;
791 if (screen_num_desktops <= 1) return;
793 /* ignore enter events caused by this */
794 ignore_start = event_start_ignore_all_enters();
796 /* what desktop are we removing and moving to? */
798 rmdesktop = screen_desktop;
800 rmdesktop = screen_num_desktops - 1;
801 if (rmdesktop < screen_num_desktops - 1)
802 movedesktop = rmdesktop + 1;
804 movedesktop = rmdesktop;
806 /* make a copy of the list cuz we're changing it */
807 stacking_copy = g_list_copy(stacking_list);
808 for (it = g_list_last(stacking_copy); it; it = g_list_previous(it)) {
809 if (WINDOW_IS_CLIENT(it->data)) {
810 ObClient *c = it->data;
811 guint d = c->desktop;
812 if (d != DESKTOP_ALL && d >= movedesktop &&
813 /* don't move direct children, they'll be moved with their
814 parent - which will have to be on the same desktop */
815 !client_direct_parent(c))
817 ob_debug("moving window %s", c->title);
818 client_set_desktop(c, c->desktop - 1, TRUE, TRUE);
820 /* raise all the windows that are on the current desktop which
822 if ((screen_desktop == rmdesktop - 1 ||
823 screen_desktop == rmdesktop) &&
824 (d == DESKTOP_ALL || d == screen_desktop))
826 stacking_raise(CLIENT_AS_WINDOW(c));
827 ob_debug("raising window %s", c->title);
831 g_list_free(stacking_copy);
833 /* fallback focus like we're changing desktops */
834 if (screen_desktop < screen_num_desktops - 1) {
835 screen_fallback_focus();
836 ob_debug("fake desktop change");
839 screen_set_num_desktops(screen_num_desktops-1);
841 event_end_ignore_all_enters(ignore_start);
844 static void get_row_col(guint d, guint *r, guint *c)
846 switch (screen_desktop_layout.orientation) {
847 case OB_ORIENTATION_HORZ:
848 switch (screen_desktop_layout.start_corner) {
849 case OB_CORNER_TOPLEFT:
850 *r = d / screen_desktop_layout.columns;
851 *c = d % screen_desktop_layout.columns;
853 case OB_CORNER_BOTTOMLEFT:
854 *r = screen_desktop_layout.rows - 1 -
855 d / screen_desktop_layout.columns;
856 *c = d % screen_desktop_layout.columns;
858 case OB_CORNER_TOPRIGHT:
859 *r = d / screen_desktop_layout.columns;
860 *c = screen_desktop_layout.columns - 1 -
861 d % screen_desktop_layout.columns;
863 case OB_CORNER_BOTTOMRIGHT:
864 *r = screen_desktop_layout.rows - 1 -
865 d / screen_desktop_layout.columns;
866 *c = screen_desktop_layout.columns - 1 -
867 d % screen_desktop_layout.columns;
871 case OB_ORIENTATION_VERT:
872 switch (screen_desktop_layout.start_corner) {
873 case OB_CORNER_TOPLEFT:
874 *r = d % screen_desktop_layout.rows;
875 *c = d / screen_desktop_layout.rows;
877 case OB_CORNER_BOTTOMLEFT:
878 *r = screen_desktop_layout.rows - 1 -
879 d % screen_desktop_layout.rows;
880 *c = d / screen_desktop_layout.rows;
882 case OB_CORNER_TOPRIGHT:
883 *r = d % screen_desktop_layout.rows;
884 *c = screen_desktop_layout.columns - 1 -
885 d / screen_desktop_layout.rows;
887 case OB_CORNER_BOTTOMRIGHT:
888 *r = screen_desktop_layout.rows - 1 -
889 d % screen_desktop_layout.rows;
890 *c = screen_desktop_layout.columns - 1 -
891 d / screen_desktop_layout.rows;
898 static guint translate_row_col(guint r, guint c)
900 switch (screen_desktop_layout.orientation) {
901 case OB_ORIENTATION_HORZ:
902 switch (screen_desktop_layout.start_corner) {
903 case OB_CORNER_TOPLEFT:
904 return r % screen_desktop_layout.rows *
905 screen_desktop_layout.columns +
906 c % screen_desktop_layout.columns;
907 case OB_CORNER_BOTTOMLEFT:
908 return (screen_desktop_layout.rows - 1 -
909 r % screen_desktop_layout.rows) *
910 screen_desktop_layout.columns +
911 c % screen_desktop_layout.columns;
912 case OB_CORNER_TOPRIGHT:
913 return r % screen_desktop_layout.rows *
914 screen_desktop_layout.columns +
915 (screen_desktop_layout.columns - 1 -
916 c % screen_desktop_layout.columns);
917 case OB_CORNER_BOTTOMRIGHT:
918 return (screen_desktop_layout.rows - 1 -
919 r % screen_desktop_layout.rows) *
920 screen_desktop_layout.columns +
921 (screen_desktop_layout.columns - 1 -
922 c % screen_desktop_layout.columns);
924 case OB_ORIENTATION_VERT:
925 switch (screen_desktop_layout.start_corner) {
926 case OB_CORNER_TOPLEFT:
927 return c % screen_desktop_layout.columns *
928 screen_desktop_layout.rows +
929 r % screen_desktop_layout.rows;
930 case OB_CORNER_BOTTOMLEFT:
931 return c % screen_desktop_layout.columns *
932 screen_desktop_layout.rows +
933 (screen_desktop_layout.rows - 1 -
934 r % screen_desktop_layout.rows);
935 case OB_CORNER_TOPRIGHT:
936 return (screen_desktop_layout.columns - 1 -
937 c % screen_desktop_layout.columns) *
938 screen_desktop_layout.rows +
939 r % screen_desktop_layout.rows;
940 case OB_CORNER_BOTTOMRIGHT:
941 return (screen_desktop_layout.columns - 1 -
942 c % screen_desktop_layout.columns) *
943 screen_desktop_layout.rows +
944 (screen_desktop_layout.rows - 1 -
945 r % screen_desktop_layout.rows);
948 g_assert_not_reached();
952 static gboolean hide_desktop_popup_func(gpointer data)
954 pager_popup_hide(desktop_popup);
955 desktop_popup_timer = 0;
956 return FALSE; /* don't repeat */
959 void screen_show_desktop_popup(guint d, gboolean perm)
963 /* 0 means don't show the popup */
964 if (!config_desktop_popup_time) return;
966 a = screen_physical_area_primary(FALSE);
967 pager_popup_position(desktop_popup, CenterGravity,
968 a->x + a->width / 2, a->y + a->height / 2);
969 pager_popup_icon_size_multiplier(desktop_popup,
970 (screen_desktop_layout.columns /
971 screen_desktop_layout.rows) / 2,
972 (screen_desktop_layout.rows/
973 screen_desktop_layout.columns) / 2);
974 pager_popup_max_width(desktop_popup,
975 MAX(a->width/3, POPUP_WIDTH));
976 pager_popup_show(desktop_popup, screen_desktop_names[d], d);
978 if (desktop_popup_timer) g_source_remove(desktop_popup_timer);
979 desktop_popup_timer = 0;
980 if (!perm && !desktop_popup_perm)
981 /* only hide if its not already being show permanently */
982 desktop_popup_timer = g_timeout_add(config_desktop_popup_time,
983 hide_desktop_popup_func,
986 desktop_popup_perm = TRUE;
989 void screen_hide_desktop_popup(void)
991 if (desktop_popup_timer) g_source_remove(desktop_popup_timer);
992 desktop_popup_timer = 0;
993 pager_popup_hide(desktop_popup);
994 desktop_popup_perm = FALSE;
997 guint screen_find_desktop(guint from, ObDirection dir,
998 gboolean wrap, gboolean linear)
1004 get_row_col(d, &r, &c);
1007 case OB_DIRECTION_EAST:
1008 if (d < screen_num_desktops - 1)
1015 case OB_DIRECTION_WEST:
1019 d = screen_num_desktops - 1;
1024 g_assert_not_reached();
1029 case OB_DIRECTION_EAST:
1031 if (c >= screen_desktop_layout.columns) {
1037 d = translate_row_col(r, c);
1038 if (d >= screen_num_desktops) {
1045 case OB_DIRECTION_WEST:
1047 if (c >= screen_desktop_layout.columns) {
1049 c = screen_desktop_layout.columns - 1;
1053 d = translate_row_col(r, c);
1054 if (d >= screen_num_desktops) {
1061 case OB_DIRECTION_SOUTH:
1063 if (r >= screen_desktop_layout.rows) {
1069 d = translate_row_col(r, c);
1070 if (d >= screen_num_desktops) {
1077 case OB_DIRECTION_NORTH:
1079 if (r >= screen_desktop_layout.rows) {
1081 r = screen_desktop_layout.rows - 1;
1085 d = translate_row_col(r, c);
1086 if (d >= screen_num_desktops) {
1094 g_assert_not_reached();
1098 d = translate_row_col(r, c);
1103 static gboolean screen_validate_layout(ObDesktopLayout *l)
1105 if (l->columns == 0 && l->rows == 0) /* both 0's is bad data.. */
1108 /* fill in a zero rows/columns */
1109 if (l->columns == 0) {
1110 l->columns = screen_num_desktops / l->rows;
1111 if (l->rows * l->columns < screen_num_desktops)
1113 if (l->rows * l->columns >= screen_num_desktops + l->columns)
1115 } else if (l->rows == 0) {
1116 l->rows = screen_num_desktops / l->columns;
1117 if (l->columns * l->rows < screen_num_desktops)
1119 if (l->columns * l->rows >= screen_num_desktops + l->rows)
1123 /* bounds checking */
1124 if (l->orientation == OB_ORIENTATION_HORZ) {
1125 l->columns = MIN(screen_num_desktops, l->columns);
1126 l->rows = MIN(l->rows,
1127 (screen_num_desktops + l->columns - 1) / l->columns);
1128 l->columns = screen_num_desktops / l->rows +
1129 !!(screen_num_desktops % l->rows);
1131 l->rows = MIN(screen_num_desktops, l->rows);
1132 l->columns = MIN(l->columns,
1133 (screen_num_desktops + l->rows - 1) / l->rows);
1134 l->rows = screen_num_desktops / l->columns +
1135 !!(screen_num_desktops % l->columns);
1140 void screen_update_layout(void)
1147 screen_desktop_layout.orientation = OB_ORIENTATION_HORZ;
1148 screen_desktop_layout.start_corner = OB_CORNER_TOPLEFT;
1149 screen_desktop_layout.rows = 1;
1150 screen_desktop_layout.columns = screen_num_desktops;
1152 if (OBT_PROP_GETA32(obt_root(ob_screen),
1153 NET_DESKTOP_LAYOUT, CARDINAL, &data, &num)) {
1154 if (num == 3 || num == 4) {
1156 if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_VERT))
1157 l.orientation = OB_ORIENTATION_VERT;
1158 else if (data[0] == OBT_PROP_ATOM(NET_WM_ORIENTATION_HORZ))
1159 l.orientation = OB_ORIENTATION_HORZ;
1164 l.start_corner = OB_CORNER_TOPLEFT;
1166 if (data[3] == OBT_PROP_ATOM(NET_WM_TOPLEFT))
1167 l.start_corner = OB_CORNER_TOPLEFT;
1168 else if (data[3] == OBT_PROP_ATOM(NET_WM_TOPRIGHT))
1169 l.start_corner = OB_CORNER_TOPRIGHT;
1170 else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMRIGHT))
1171 l.start_corner = OB_CORNER_BOTTOMRIGHT;
1172 else if (data[3] == OBT_PROP_ATOM(NET_WM_BOTTOMLEFT))
1173 l.start_corner = OB_CORNER_BOTTOMLEFT;
1178 l.columns = data[1];
1181 if (screen_validate_layout(&l))
1182 screen_desktop_layout = l;
1189 void screen_update_desktop_names(void)
1193 /* empty the array */
1194 g_strfreev(screen_desktop_names);
1195 screen_desktop_names = NULL;
1197 if (OBT_PROP_GETSS(obt_root(ob_screen),
1198 NET_DESKTOP_NAMES, &screen_desktop_names))
1199 for (i = 0; screen_desktop_names[i] && i < screen_num_desktops; ++i);
1202 if (i < screen_num_desktops) {
1205 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
1206 screen_num_desktops + 1);
1207 screen_desktop_names[screen_num_desktops] = NULL;
1209 it = g_slist_nth(config_desktops_names, i);
1211 for (; i < screen_num_desktops; ++i) {
1212 if (it && ((char*)it->data)[0]) /* not empty */
1213 /* use the names from the config file when possible */
1214 screen_desktop_names[i] = g_strdup(it->data);
1216 /* make up a nice name if it's not though */
1217 screen_desktop_names[i] = g_strdup_printf(_("desktop %i"),
1219 if (it) it = g_slist_next(it);
1222 /* if we changed any names, then set the root property so we can
1223 all agree on the names */
1224 OBT_PROP_SETSS(obt_root(ob_screen), NET_DESKTOP_NAMES,
1225 (const gchar*const*)screen_desktop_names);
1228 /* resize the pager for these names */
1229 pager_popup_text_width_to_strings(desktop_popup,
1230 screen_desktop_names,
1231 screen_num_desktops);
1234 void screen_show_desktop(ObScreenShowDestopMode show_mode, ObClient *show_only)
1238 ObScreenShowDestopMode before_mode = screen_show_desktop_mode;
1240 gboolean showing_before = screen_showing_desktop();
1241 screen_show_desktop_mode = show_mode;
1242 gboolean showing_after = screen_showing_desktop();
1244 if (showing_before == showing_after) {
1246 screen_show_desktop_mode = before_mode;
1250 if (screen_show_desktop_mode == SCREEN_SHOW_DESKTOP_UNTIL_TOGGLE &&
1253 /* If we're showing the desktop until the show-mode is toggled, we
1254 don't allow breaking out of showing-desktop mode unless we're
1255 showing all the windows again. */
1256 screen_show_desktop_mode = before_mode;
1260 if (showing_after) {
1261 /* hide windows bottom to top */
1262 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
1263 if (WINDOW_IS_CLIENT(it->data)) {
1264 ObClient *client = it->data;
1265 client_showhide(client);
1270 /* restore windows top to bottom */
1271 for (it = stacking_list; it; it = g_list_next(it)) {
1272 if (WINDOW_IS_CLIENT(it->data)) {
1273 ObClient *client = it->data;
1274 if (client_should_show(client)) {
1275 if (!show_only || client == show_only)
1276 client_show(client);
1278 client_iconify(client, TRUE, FALSE, TRUE);
1284 if (showing_after) {
1285 /* focus the desktop */
1286 for (it = focus_order; it; it = g_list_next(it)) {
1287 ObClient *c = it->data;
1288 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
1289 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
1290 client_focus(it->data))
1294 else if (!show_only) {
1297 if ((c = focus_fallback(TRUE, FALSE, TRUE, FALSE))) {
1298 /* only do the flicker reducing stuff ahead of time if we are going
1299 to call xsetinputfocus on the window ourselves. otherwise there
1300 is no guarantee the window will actually take focus.. */
1302 /* reduce flicker by hiliting now rather than waiting for the
1303 server FocusIn event */
1304 frame_adjust_focus(c->frame, TRUE);
1309 OBT_PROP_SET32(obt_root(ob_screen),
1310 NET_SHOWING_DESKTOP,
1315 gboolean screen_showing_desktop()
1317 switch (screen_show_desktop_mode) {
1318 case SCREEN_SHOW_DESKTOP_NO:
1320 case SCREEN_SHOW_DESKTOP_UNTIL_WINDOW:
1321 case SCREEN_SHOW_DESKTOP_UNTIL_TOGGLE:
1324 g_assert_not_reached();
1328 void screen_install_colormap(ObClient *client, gboolean install)
1330 if (client == NULL || client->colormap == None) {
1332 XInstallColormap(obt_display, RrColormap(ob_rr_inst));
1334 XUninstallColormap(obt_display, RrColormap(ob_rr_inst));
1336 obt_display_ignore_errors(TRUE);
1338 XInstallColormap(obt_display, client->colormap);
1340 XUninstallColormap(obt_display, client->colormap);
1341 obt_display_ignore_errors(FALSE);
1347 StrutPartial *strut;
1350 #define RESET_STRUT_LIST(sl) \
1352 g_slice_free(ObScreenStrut, (sl)->data); \
1353 sl = g_slist_delete_link(sl, sl); \
1356 #define ADD_STRUT_TO_LIST(sl, d, s) \
1358 ObScreenStrut *ss = g_slice_new(ObScreenStrut); \
1361 sl = g_slist_prepend(sl, ss); \
1364 #define VALIDATE_STRUTS(sl, side, max) \
1367 for (it = sl; it; it = g_slist_next(it)) { \
1368 ObScreenStrut *ss = it->data; \
1369 ss->strut->side = MIN(max, ss->strut->side); \
1373 static void get_xinerama_screens(Rect **xin_areas, guint *nxin)
1379 XineramaScreenInfo *info;
1382 if (ob_debug_xinerama) {
1383 gint w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
1384 gint h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
1386 *xin_areas = g_new(Rect, *nxin + 1);
1387 RECT_SET((*xin_areas)[0], 0, 0, w/2, h);
1388 RECT_SET((*xin_areas)[1], w/2, 0, w-(w/2), h);
1389 } else if (config_emulate_xinerama) {
1391 *xin_areas = g_new(Rect, *nxin + 1);
1392 RECT_SET((*xin_areas)[0], 0, 0,
1393 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)) / 2,
1394 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1395 RECT_SET((*xin_areas)[1],
1396 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)) / 2,
1398 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)) / 2,
1399 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1400 RECT_SET((*xin_areas)[*nxin], 0, 0,
1401 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)),
1402 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1405 else if (obt_display_extension_xinerama &&
1406 (info = XineramaQueryScreens(obt_display, &n))) {
1408 *xin_areas = g_new(Rect, *nxin + 1);
1409 for (i = 0; i < *nxin; ++i)
1410 RECT_SET((*xin_areas)[i], info[i].x_org, info[i].y_org,
1411 info[i].width, info[i].height);
1417 *xin_areas = g_new(Rect, *nxin + 1);
1418 RECT_SET((*xin_areas)[0], 0, 0,
1419 WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)),
1420 HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
1423 /* returns one extra with the total area in it */
1424 l = (*xin_areas)[0].x;
1425 t = (*xin_areas)[0].y;
1426 r = (*xin_areas)[0].x + (*xin_areas)[0].width - 1;
1427 b = (*xin_areas)[0].y + (*xin_areas)[0].height - 1;
1428 for (i = 1; i < *nxin; ++i) {
1429 l = MIN(l, (*xin_areas)[i].x);
1430 t = MIN(l, (*xin_areas)[i].y);
1431 r = MAX(r, (*xin_areas)[i].x + (*xin_areas)[i].width - 1);
1432 b = MAX(b, (*xin_areas)[i].y + (*xin_areas)[i].height - 1);
1434 RECT_SET((*xin_areas)[*nxin], l, t, r - l + 1, b - t + 1);
1436 for (i = 0; i < *nxin; ++i)
1437 ob_debug("Monitor %d @ %d,%d %dx%d\n", i,
1438 (*xin_areas)[i].x, (*xin_areas)[i].y,
1439 (*xin_areas)[i].width, (*xin_areas)[i].height);
1440 ob_debug("Full desktop @ %d,%d %dx%d\n",
1441 (*xin_areas)[i].x, (*xin_areas)[i].y,
1442 (*xin_areas)[i].width, (*xin_areas)[i].height);
1445 void screen_update_areas(void)
1449 GList *it, *onscreen;
1451 /* collect the clients that are on screen */
1453 for (it = client_list; it; it = g_list_next(it)) {
1454 if (client_monitor(it->data) != screen_num_monitors)
1455 onscreen = g_list_prepend(onscreen, it->data);
1458 g_free(monitor_area);
1459 get_xinerama_screens(&monitor_area, &screen_num_monitors);
1461 /* set up the user-specified margins */
1462 config_margins.top_start = RECT_LEFT(monitor_area[screen_num_monitors]);
1463 config_margins.top_end = RECT_RIGHT(monitor_area[screen_num_monitors]);
1464 config_margins.bottom_start = RECT_LEFT(monitor_area[screen_num_monitors]);
1465 config_margins.bottom_end = RECT_RIGHT(monitor_area[screen_num_monitors]);
1466 config_margins.left_start = RECT_TOP(monitor_area[screen_num_monitors]);
1467 config_margins.left_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1468 config_margins.right_start = RECT_TOP(monitor_area[screen_num_monitors]);
1469 config_margins.right_end = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1471 RESET_STRUT_LIST(struts_left);
1472 RESET_STRUT_LIST(struts_top);
1473 RESET_STRUT_LIST(struts_right);
1474 RESET_STRUT_LIST(struts_bottom);
1476 /* collect the struts */
1477 for (it = client_list; it; it = g_list_next(it)) {
1478 ObClient *c = it->data;
1480 ADD_STRUT_TO_LIST(struts_left, c->desktop, &c->strut);
1482 ADD_STRUT_TO_LIST(struts_top, c->desktop, &c->strut);
1484 ADD_STRUT_TO_LIST(struts_right, c->desktop, &c->strut);
1485 if (c->strut.bottom)
1486 ADD_STRUT_TO_LIST(struts_bottom, c->desktop, &c->strut);
1488 if (dock_strut.left)
1489 ADD_STRUT_TO_LIST(struts_left, DESKTOP_ALL, &dock_strut);
1491 ADD_STRUT_TO_LIST(struts_top, DESKTOP_ALL, &dock_strut);
1492 if (dock_strut.right)
1493 ADD_STRUT_TO_LIST(struts_right, DESKTOP_ALL, &dock_strut);
1494 if (dock_strut.bottom)
1495 ADD_STRUT_TO_LIST(struts_bottom, DESKTOP_ALL, &dock_strut);
1497 if (config_margins.left)
1498 ADD_STRUT_TO_LIST(struts_left, DESKTOP_ALL, &config_margins);
1499 if (config_margins.top)
1500 ADD_STRUT_TO_LIST(struts_top, DESKTOP_ALL, &config_margins);
1501 if (config_margins.right)
1502 ADD_STRUT_TO_LIST(struts_right, DESKTOP_ALL, &config_margins);
1503 if (config_margins.bottom)
1504 ADD_STRUT_TO_LIST(struts_bottom, DESKTOP_ALL, &config_margins);
1506 VALIDATE_STRUTS(struts_left, left,
1507 monitor_area[screen_num_monitors].width / 2);
1508 VALIDATE_STRUTS(struts_right, right,
1509 monitor_area[screen_num_monitors].width / 2);
1510 VALIDATE_STRUTS(struts_top, top,
1511 monitor_area[screen_num_monitors].height / 2);
1512 VALIDATE_STRUTS(struts_bottom, bottom,
1513 monitor_area[screen_num_monitors].height / 2);
1515 dims = g_new(gulong, 4 * screen_num_desktops);
1516 for (i = 0; i < screen_num_desktops; ++i) {
1517 Rect *area = screen_area(i, SCREEN_AREA_ALL_MONITORS, NULL);
1518 dims[i*4+0] = area->x;
1519 dims[i*4+1] = area->y;
1520 dims[i*4+2] = area->width;
1521 dims[i*4+3] = area->height;
1522 g_slice_free(Rect, area);
1525 /* set the legacy workarea hint to the union of all the monitors */
1526 OBT_PROP_SETA32(obt_root(ob_screen), NET_WORKAREA, CARDINAL,
1527 dims, 4 * screen_num_desktops);
1529 /* the area has changed, adjust all the windows if they need it */
1530 for (it = onscreen; it; it = g_list_next(it))
1531 client_reconfigure(it->data, FALSE);
1537 Rect* screen_area_all_monitors(guint desktop)
1542 a = screen_area_monitor(desktop, 0);
1544 /* combine all the monitors together */
1545 for (i = 1; i < screen_num_monitors; ++i) {
1546 Rect *m = screen_area_monitor(desktop, i);
1549 l = MIN(RECT_LEFT(*a), RECT_LEFT(*m));
1550 t = MIN(RECT_TOP(*a), RECT_TOP(*m));
1551 r = MAX(RECT_RIGHT(*a), RECT_RIGHT(*m));
1552 b = MAX(RECT_BOTTOM(*a), RECT_BOTTOM(*m));
1554 RECT_SET(*a, l, t, r - l + 1, b - t + 1);
1563 #define STRUT_LEFT_IN_SEARCH(s, search) \
1564 (RANGES_INTERSECT(search->y, search->height, \
1565 s->left_start, s->left_end - s->left_start + 1))
1566 #define STRUT_RIGHT_IN_SEARCH(s, search) \
1567 (RANGES_INTERSECT(search->y, search->height, \
1568 s->right_start, s->right_end - s->right_start + 1))
1569 #define STRUT_TOP_IN_SEARCH(s, search) \
1570 (RANGES_INTERSECT(search->x, search->width, \
1571 s->top_start, s->top_end - s->top_start + 1))
1572 #define STRUT_BOTTOM_IN_SEARCH(s, search) \
1573 (RANGES_INTERSECT(search->x, search->width, \
1574 s->bottom_start, s->bottom_end - s->bottom_start + 1))
1576 #define STRUT_LEFT_IGNORE(s, us, search) \
1577 (head == SCREEN_AREA_ALL_MONITORS && us && \
1578 RECT_LEFT(monitor_area[i]) + s->left > RECT_LEFT(*search))
1579 #define STRUT_RIGHT_IGNORE(s, us, search) \
1580 (head == SCREEN_AREA_ALL_MONITORS && us && \
1581 RECT_RIGHT(monitor_area[i]) - s->right < RECT_RIGHT(*search))
1582 #define STRUT_TOP_IGNORE(s, us, search) \
1583 (head == SCREEN_AREA_ALL_MONITORS && us && \
1584 RECT_TOP(monitor_area[i]) + s->top > RECT_TOP(*search))
1585 #define STRUT_BOTTOM_IGNORE(s, us, search) \
1586 (head == SCREEN_AREA_ALL_MONITORS && us && \
1587 RECT_BOTTOM(monitor_area[i]) - s->bottom < RECT_BOTTOM(*search))
1589 Rect* screen_area(guint desktop, guint head, Rect *search)
1595 gboolean us = search != NULL; /* user provided search */
1597 g_assert(desktop < screen_num_desktops || desktop == DESKTOP_ALL);
1598 g_assert(head < screen_num_monitors || head == SCREEN_AREA_ONE_MONITOR ||
1599 head == SCREEN_AREA_ALL_MONITORS);
1600 g_assert(!(head == SCREEN_AREA_ONE_MONITOR && search == NULL));
1602 /* find any struts for this monitor
1603 which will be affecting the search area.
1606 /* search everything if search is null */
1608 if (head < screen_num_monitors) search = &monitor_area[head];
1609 else search = &monitor_area[screen_num_monitors];
1611 if (head == SCREEN_AREA_ONE_MONITOR) head = screen_find_monitor(search);
1613 /* al is "all left" meaning the furthest left you can get, l is our
1614 "working left" meaning our current strut edge which we're calculating
1617 /* only include monitors which the search area lines up with */
1618 if (RECT_INTERSECTS_RECT(monitor_area[screen_num_monitors], *search)) {
1619 l = RECT_RIGHT(monitor_area[screen_num_monitors]);
1620 t = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1621 r = RECT_LEFT(monitor_area[screen_num_monitors]);
1622 b = RECT_TOP(monitor_area[screen_num_monitors]);
1623 for (i = 0; i < screen_num_monitors; ++i) {
1624 /* add the monitor if applicable */
1625 if (RANGES_INTERSECT(search->x, search->width,
1626 monitor_area[i].x, monitor_area[i].width))
1628 t = MIN(t, RECT_TOP(monitor_area[i]));
1629 b = MAX(b, RECT_BOTTOM(monitor_area[i]));
1631 if (RANGES_INTERSECT(search->y, search->height,
1632 monitor_area[i].y, monitor_area[i].height))
1634 l = MIN(l, RECT_LEFT(monitor_area[i]));
1635 r = MAX(r, RECT_RIGHT(monitor_area[i]));
1639 l = RECT_LEFT(monitor_area[screen_num_monitors]);
1640 t = RECT_TOP(monitor_area[screen_num_monitors]);
1641 r = RECT_RIGHT(monitor_area[screen_num_monitors]);
1642 b = RECT_BOTTOM(monitor_area[screen_num_monitors]);
1645 for (d = 0; d < screen_num_desktops; ++d) {
1646 if (d != desktop && desktop != DESKTOP_ALL) continue;
1648 for (i = 0; i < screen_num_monitors; ++i) {
1649 if (head != SCREEN_AREA_ALL_MONITORS && head != i) continue;
1651 for (it = struts_left; it; it = g_slist_next(it)) {
1652 ObScreenStrut *s = it->data;
1653 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1654 STRUT_LEFT_IN_SEARCH(s->strut, search) &&
1655 !STRUT_LEFT_IGNORE(s->strut, us, search))
1656 l = MAX(l, RECT_LEFT(monitor_area[screen_num_monitors])
1659 for (it = struts_top; it; it = g_slist_next(it)) {
1660 ObScreenStrut *s = it->data;
1661 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1662 STRUT_TOP_IN_SEARCH(s->strut, search) &&
1663 !STRUT_TOP_IGNORE(s->strut, us, search))
1664 t = MAX(t, RECT_TOP(monitor_area[screen_num_monitors])
1667 for (it = struts_right; it; it = g_slist_next(it)) {
1668 ObScreenStrut *s = it->data;
1669 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1670 STRUT_RIGHT_IN_SEARCH(s->strut, search) &&
1671 !STRUT_RIGHT_IGNORE(s->strut, us, search))
1672 r = MIN(r, RECT_RIGHT(monitor_area[screen_num_monitors])
1675 for (it = struts_bottom; it; it = g_slist_next(it)) {
1676 ObScreenStrut *s = it->data;
1677 if ((s->desktop == d || s->desktop == DESKTOP_ALL) &&
1678 STRUT_BOTTOM_IN_SEARCH(s->strut, search) &&
1679 !STRUT_BOTTOM_IGNORE(s->strut, us, search))
1680 b = MIN(b, RECT_BOTTOM(monitor_area[screen_num_monitors])
1681 - s->strut->bottom);
1684 /* limit to this monitor */
1686 l = MAX(l, RECT_LEFT(monitor_area[i]));
1687 t = MAX(t, RECT_TOP(monitor_area[i]));
1688 r = MIN(r, RECT_RIGHT(monitor_area[i]));
1689 b = MIN(b, RECT_BOTTOM(monitor_area[i]));
1694 a = g_slice_new(Rect);
1697 a->width = r - l + 1;
1698 a->height = b - t + 1;
1707 guint screen_find_monitor(const Rect *search)
1710 guint mostpx_index = screen_num_monitors;
1712 guint closest_distance_index = screen_num_monitors;
1713 guint closest_distance = G_MAXUINT;
1714 GSList *counted = NULL;
1716 /* we want to count the number of pixels search has on each monitor, but not
1717 double count. so if a pixel is counted on monitor A then we should not
1718 count it again on monitor B. in the end we want to return the monitor
1719 that had the most pixels counted under this scheme.
1721 this assumes that monitors earlier in the list are more desirable to be
1722 considered the search area's monitor. we try the configured primary
1723 monitor first, so it gets the highest preference.
1725 if we have counted an area A, then we want to subtract the intersection
1726 of A with the area on future monitors.
1727 but now consider if we count an area B that intersects A. we want to
1728 subtract the area B from that counted on future monitors, but not
1729 subtract the intersection of A and B twice! so we would add the
1730 intersection of A and B back, to account for it being subtracted both
1733 this is the idea behind the algorithm. we always subtract the full area
1734 for monitor M intersected with the search area. we'll call that AREA.
1735 but then we go through the list |counted| and for each rectangle in
1736 the list that is being subtracted from future monitors, we insert a
1737 request to add back the intersection of the subtracted rect with AREA.
1738 vice versa for a rect in |counted| that is getting added back.
1741 if (config_primary_monitor_index < screen_num_monitors) {
1742 const Rect *monitor;
1743 Rect on_current_monitor;
1746 monitor = screen_physical_area_monitor(config_primary_monitor_index);
1748 if (RECT_INTERSECTS_RECT(*monitor, *search)) {
1749 RECT_SET_INTERSECTION(on_current_monitor, *monitor, *search);
1750 area = RECT_AREA(on_current_monitor);
1752 if (area > mostpx) {
1754 mostpx_index = config_primary_monitor_index;
1757 /* add the intersection rect on the current monitor to the
1758 counted list. that's easy for the first one, we just mark it for
1761 RectArithmetic *ra = g_slice_new(RectArithmetic);
1762 ra->r = on_current_monitor;
1763 ra->subtract = TRUE;
1764 counted = g_slist_prepend(counted, ra);
1769 for (i = 0; i < screen_num_monitors; ++i) {
1770 const Rect *monitor;
1771 Rect on_current_monitor;
1775 monitor = screen_physical_area_monitor(i);
1777 if (!RECT_INTERSECTS_RECT(*monitor, *search)) {
1778 /* If we don't intersect then find the distance between the search
1779 rect and the monitor. We'll use the closest monitor from this
1780 metric if none of the monitors intersect. */
1781 guint distance = rect_manhatten_distance(*monitor, *search);
1783 if (distance < closest_distance) {
1784 closest_distance = distance;
1785 closest_distance_index = i;
1790 if (i == config_primary_monitor_index)
1791 continue; /* already did this one */
1793 RECT_SET_INTERSECTION(on_current_monitor, *monitor, *search);
1794 area = RECT_AREA(on_current_monitor);
1796 /* remove pixels we already counted on any previous monitors. */
1797 for (it = counted; it; it = g_slist_next(it)) {
1798 RectArithmetic *ra = it->data;
1801 RECT_SET_INTERSECTION(intersection, ra->r, *search);
1802 if (ra->subtract) area -= RECT_AREA(intersection);
1803 else area += RECT_AREA(intersection);
1806 if (area > mostpx) {
1811 /* add the intersection rect on the current monitor I to the counted
1813 but now we need to compensate for every rectangle R already in the
1814 counted list, and add a new rect R' that is the intersection of
1815 R and I, but with the reverse subtraction/addition operation.
1817 for (it = counted; it; it = g_slist_next(it)) {
1818 RectArithmetic *saved = it->data;
1820 if (!RECT_INTERSECTS_RECT(saved->r, on_current_monitor))
1822 /* we are going to subtract our rect from future monitors, but
1823 part of it may already be being subtracted/added, so compensate
1824 to not double add/subtract. */
1825 RectArithmetic *reverse = g_slice_new(RectArithmetic);
1826 RECT_SET_INTERSECTION(reverse->r, saved->r, on_current_monitor);
1827 reverse->subtract = !saved->subtract;
1828 /* prepend so we can continue thru the list uninterupted */
1829 counted = g_slist_prepend(counted, reverse);
1832 RectArithmetic *ra = g_slice_new(RectArithmetic);
1833 ra->r = on_current_monitor;
1834 ra->subtract = TRUE;
1835 counted = g_slist_prepend(counted, ra);
1840 g_slice_free(RectArithmetic, counted->data);
1841 counted = g_slist_delete_link(counted, counted);
1844 if (mostpx_index < screen_num_monitors)
1845 return mostpx_index;
1847 g_assert(closest_distance_index < screen_num_monitors);
1848 return closest_distance_index;
1851 const Rect* screen_physical_area_all_monitors(void)
1853 return screen_physical_area_monitor(screen_num_monitors);
1856 const Rect* screen_physical_area_monitor(guint head)
1858 g_assert(head <= screen_num_monitors);
1860 return &monitor_area[head];
1863 gboolean screen_physical_area_monitor_contains(guint head, Rect *search)
1865 g_assert(head <= screen_num_monitors);
1867 return RECT_INTERSECTS_RECT(monitor_area[head], *search);
1870 guint screen_monitor_active(void)
1872 if (moveresize_client)
1873 return client_monitor(moveresize_client);
1874 else if (focus_client)
1875 return client_monitor(focus_client);
1877 return screen_monitor_pointer();
1880 const Rect* screen_physical_area_active(void)
1882 return screen_physical_area_monitor(screen_monitor_active());
1885 guint screen_monitor_primary(gboolean fixed)
1887 if (config_primary_monitor_index > 0) {
1888 if (config_primary_monitor_index-1 < screen_num_monitors)
1889 return config_primary_monitor_index - 1;
1895 else if (config_primary_monitor == OB_PLACE_MONITOR_ACTIVE)
1896 return screen_monitor_active();
1897 else /* config_primary_monitor == OB_PLACE_MONITOR_MOUSE */
1898 return screen_monitor_pointer();
1901 const Rect* screen_physical_area_primary(gboolean fixed)
1903 return screen_physical_area_monitor(screen_monitor_primary(fixed));
1906 void screen_set_root_cursor(void)
1908 if (sn_app_starting())
1909 XDefineCursor(obt_display, obt_root(ob_screen),
1910 ob_cursor(OB_CURSOR_BUSY));
1912 XDefineCursor(obt_display, obt_root(ob_screen),
1913 ob_cursor(OB_CURSOR_POINTER));
1916 guint screen_find_monitor_point(guint x, guint y)
1919 RECT_SET(mon, x, y, 1, 1);
1920 return screen_find_monitor(&mon);
1923 guint screen_monitor_pointer()
1926 if (!screen_pointer_pos(&x, &y))
1928 return screen_find_monitor_point(x, y);
1931 gboolean screen_pointer_pos(gint *x, gint *y)
1938 ret = !!XQueryPointer(obt_display, obt_root(ob_screen),
1939 &w, &w, x, y, &i, &i, &u);
1941 for (i = 0; i < ScreenCount(obt_display); ++i)
1943 if (XQueryPointer(obt_display, obt_root(i),
1944 &w, &w, x, y, &i, &i, &u))
1950 gboolean screen_compare_desktops(guint a, guint b)
1952 if (a == DESKTOP_ALL)
1954 if (b == DESKTOP_ALL)
1959 void screen_apply_gravity_point(gint *x, gint *y, gint width, gint height,
1960 const GravityPoint *position, const Rect *area)
1962 if (position->x.center)
1963 *x = area->width / 2 - width / 2;
1965 *x = position->x.pos;
1966 if (position->x.denom)
1967 *x = (*x * area->width) / position->x.denom;
1968 if (position->x.opposite)
1969 *x = area->width - width - *x;
1972 if (position->y.center)
1973 *y = area->height / 2 - height / 2;
1975 *y = position->y.pos;
1976 if (position->y.denom)
1977 *y = (*y * area->height) / position->y.denom;
1978 if (position->y.opposite)
1979 *y = area->height - height - *y;