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.
26 #include "startupnotify.h"
27 #include "moveresize.h"
35 #include "extensions.h"
36 #include "render/render.h"
41 # include <sys/types.h>
46 /*! The event mask to grab on the root window */
47 #define ROOT_EVENTMASK (StructureNotifyMask | PropertyChangeMask | \
48 EnterWindowMask | LeaveWindowMask | \
49 SubstructureRedirectMask | FocusChangeMask | \
50 ButtonPressMask | ButtonReleaseMask | ButtonMotionMask)
52 guint screen_num_desktops;
53 guint screen_num_monitors;
55 guint screen_last_desktop;
56 Size screen_physical_size;
57 gboolean screen_showing_desktop;
58 DesktopLayout screen_desktop_layout;
59 gchar **screen_desktop_names;
60 Window screen_support_win;
61 Time screen_desktop_user_time = CurrentTime;
63 static Rect **area; /* array of desktop holding array of xinerama areas */
64 static Rect *monitor_area;
66 static ObPagerPopup *desktop_cycle_popup;
68 static gboolean replace_wm()
72 Window current_wm_sn_owner;
75 wm_sn = g_strdup_printf("WM_S%d", ob_screen);
76 wm_sn_atom = XInternAtom(ob_display, wm_sn, FALSE);
79 current_wm_sn_owner = XGetSelectionOwner(ob_display, wm_sn_atom);
80 if (current_wm_sn_owner == screen_support_win)
81 current_wm_sn_owner = None;
82 if (current_wm_sn_owner) {
84 g_message(_("A window manager is already running on screen %d"),
88 xerror_set_ignore(TRUE);
89 xerror_occured = FALSE;
91 /* We want to find out when the current selection owner dies */
92 XSelectInput(ob_display, current_wm_sn_owner, StructureNotifyMask);
93 XSync(ob_display, FALSE);
95 xerror_set_ignore(FALSE);
97 current_wm_sn_owner = None;
101 /* Generate a timestamp */
104 XSelectInput(ob_display, screen_support_win, PropertyChangeMask);
106 XChangeProperty(ob_display, screen_support_win,
107 prop_atoms.wm_class, prop_atoms.string,
108 8, PropModeAppend, NULL, 0);
109 XWindowEvent(ob_display, screen_support_win,
110 PropertyChangeMask, &event);
112 XSelectInput(ob_display, screen_support_win, NoEventMask);
114 timestamp = event.xproperty.time;
117 XSetSelectionOwner(ob_display, wm_sn_atom, screen_support_win,
120 if (XGetSelectionOwner(ob_display, wm_sn_atom) != screen_support_win) {
121 g_message(_("Could not acquire window manager selection on screen %d"),
126 /* Wait for old window manager to go away */
127 if (current_wm_sn_owner) {
130 const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
132 while (wait < timeout) {
133 if (XCheckWindowEvent(ob_display, current_wm_sn_owner,
134 StructureNotifyMask, &event) &&
135 event.type == DestroyNotify)
137 g_usleep(G_USEC_PER_SEC / 10);
138 wait += G_USEC_PER_SEC / 10;
141 if (wait >= timeout) {
142 g_message(_("Timeout expired while waiting for the current WM to die"
143 " on screen %d"), ob_screen);
148 /* Send client message indicating that we are now the WM */
149 prop_message(RootWindow(ob_display, ob_screen), prop_atoms.manager,
150 timestamp, wm_sn_atom, 0, 0, SubstructureNotifyMask);
156 gboolean screen_annex()
158 XSetWindowAttributes attrib;
163 /* create the netwm support window */
164 attrib.override_redirect = TRUE;
165 screen_support_win = XCreateWindow(ob_display,
166 RootWindow(ob_display, ob_screen),
168 CopyFromParent, InputOutput,
170 CWOverrideRedirect, &attrib);
171 XMapWindow(ob_display, screen_support_win);
174 XDestroyWindow(ob_display, screen_support_win);
178 xerror_set_ignore(TRUE);
179 xerror_occured = FALSE;
180 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
182 xerror_set_ignore(FALSE);
183 if (xerror_occured) {
184 g_message(_("A window manager is already running on screen %d"),
187 XDestroyWindow(ob_display, screen_support_win);
192 screen_set_root_cursor();
194 /* set the OPENBOX_PID hint */
196 PROP_SET32(RootWindow(ob_display, ob_screen),
197 openbox_pid, cardinal, pid);
199 /* set supporting window */
200 PROP_SET32(RootWindow(ob_display, ob_screen),
201 net_supporting_wm_check, window, screen_support_win);
203 /* set properties on the supporting window */
204 PROP_SETS(screen_support_win, net_wm_name, "Openbox");
205 PROP_SET32(screen_support_win, net_supporting_wm_check,
206 window, screen_support_win);
208 /* set the _NET_SUPPORTED_ATOMS hint */
214 supported = g_new(gulong, num_support);
215 supported[i++] = prop_atoms.net_wm_full_placement;
216 supported[i++] = prop_atoms.net_current_desktop;
217 supported[i++] = prop_atoms.net_number_of_desktops;
218 supported[i++] = prop_atoms.net_desktop_geometry;
219 supported[i++] = prop_atoms.net_desktop_viewport;
220 supported[i++] = prop_atoms.net_active_window;
221 supported[i++] = prop_atoms.net_workarea;
222 supported[i++] = prop_atoms.net_client_list;
223 supported[i++] = prop_atoms.net_client_list_stacking;
224 supported[i++] = prop_atoms.net_desktop_names;
225 supported[i++] = prop_atoms.net_close_window;
226 supported[i++] = prop_atoms.net_desktop_layout;
227 supported[i++] = prop_atoms.net_showing_desktop;
228 supported[i++] = prop_atoms.net_wm_name;
229 supported[i++] = prop_atoms.net_wm_visible_name;
230 supported[i++] = prop_atoms.net_wm_icon_name;
231 supported[i++] = prop_atoms.net_wm_visible_icon_name;
232 supported[i++] = prop_atoms.net_wm_desktop;
233 supported[i++] = prop_atoms.net_wm_strut;
234 supported[i++] = prop_atoms.net_wm_window_type;
235 supported[i++] = prop_atoms.net_wm_window_type_desktop;
236 supported[i++] = prop_atoms.net_wm_window_type_dock;
237 supported[i++] = prop_atoms.net_wm_window_type_toolbar;
238 supported[i++] = prop_atoms.net_wm_window_type_menu;
239 supported[i++] = prop_atoms.net_wm_window_type_utility;
240 supported[i++] = prop_atoms.net_wm_window_type_splash;
241 supported[i++] = prop_atoms.net_wm_window_type_dialog;
242 supported[i++] = prop_atoms.net_wm_window_type_normal;
243 supported[i++] = prop_atoms.net_wm_allowed_actions;
244 supported[i++] = prop_atoms.net_wm_action_move;
245 supported[i++] = prop_atoms.net_wm_action_resize;
246 supported[i++] = prop_atoms.net_wm_action_minimize;
247 supported[i++] = prop_atoms.net_wm_action_shade;
248 supported[i++] = prop_atoms.net_wm_action_maximize_horz;
249 supported[i++] = prop_atoms.net_wm_action_maximize_vert;
250 supported[i++] = prop_atoms.net_wm_action_fullscreen;
251 supported[i++] = prop_atoms.net_wm_action_change_desktop;
252 supported[i++] = prop_atoms.net_wm_action_close;
253 supported[i++] = prop_atoms.net_wm_state;
254 supported[i++] = prop_atoms.net_wm_state_modal;
255 supported[i++] = prop_atoms.net_wm_state_maximized_vert;
256 supported[i++] = prop_atoms.net_wm_state_maximized_horz;
257 supported[i++] = prop_atoms.net_wm_state_shaded;
258 supported[i++] = prop_atoms.net_wm_state_skip_taskbar;
259 supported[i++] = prop_atoms.net_wm_state_skip_pager;
260 supported[i++] = prop_atoms.net_wm_state_hidden;
261 supported[i++] = prop_atoms.net_wm_state_fullscreen;
262 supported[i++] = prop_atoms.net_wm_state_above;
263 supported[i++] = prop_atoms.net_wm_state_below;
264 supported[i++] = prop_atoms.net_wm_state_demands_attention;
265 supported[i++] = prop_atoms.net_moveresize_window;
266 supported[i++] = prop_atoms.net_wm_moveresize;
267 supported[i++] = prop_atoms.net_wm_user_time;
268 supported[i++] = prop_atoms.net_frame_extents;
270 supported[i++] = prop_atoms.net_wm_sync_request;
271 supported[i++] = prop_atoms.net_wm_sync_request_counter;
273 supported[i++] = prop_atoms.ob_wm_state_undecorated;
274 g_assert(i == num_support);
276 PROP_SETA32(RootWindow(ob_display, ob_screen),
277 net_supported, atom, supported, num_support);
283 void screen_startup(gboolean reconfig)
288 desktop_cycle_popup = pager_popup_new(FALSE);
291 /* get the initial size */
295 screen_desktop_names = g_new(gchar*,
296 g_slist_length(config_desktops_names) + 1);
297 for (i = 0, it = config_desktops_names; it; ++i, it = g_slist_next(it))
298 screen_desktop_names[i] = it->data; /* dont strdup */
299 screen_desktop_names[i] = NULL;
300 PROP_SETSS(RootWindow(ob_display, ob_screen),
301 net_desktop_names, screen_desktop_names);
302 g_free(screen_desktop_names); /* dont free the individual strings */
303 screen_desktop_names = NULL;
306 screen_num_desktops = 0;
307 screen_set_num_desktops(config_desktops_num);
310 /* start on the current desktop when a wm was already running */
311 if (PROP_GET32(RootWindow(ob_display, ob_screen),
312 net_current_desktop, cardinal, &d) &&
313 d < screen_num_desktops)
315 screen_set_desktop(d);
317 screen_set_desktop(MIN(config_screen_firstdesk,
318 screen_num_desktops) - 1);
320 /* don't start in showing-desktop mode */
321 screen_showing_desktop = FALSE;
322 PROP_SET32(RootWindow(ob_display, ob_screen),
323 net_showing_desktop, cardinal, screen_showing_desktop);
325 screen_update_layout();
329 void screen_shutdown(gboolean reconfig)
333 pager_popup_free(desktop_cycle_popup);
336 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
339 /* we're not running here no more! */
340 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
342 PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
343 /* don't keep this mode */
344 PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
346 XDestroyWindow(ob_display, screen_support_win);
349 g_strfreev(screen_desktop_names);
350 screen_desktop_names = NULL;
351 for (r = area; *r; ++r)
359 static gint oldw = 0, oldh = 0;
364 w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
365 h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
367 if (w == oldw && h == oldh) return;
371 /* Set the _NET_DESKTOP_GEOMETRY hint */
372 screen_physical_size.width = geometry[0] = w;
373 screen_physical_size.height = geometry[1] = h;
374 PROP_SETA32(RootWindow(ob_display, ob_screen),
375 net_desktop_geometry, cardinal, geometry, 2);
377 if (ob_state() == OB_STATE_STARTING)
380 screen_update_areas();
383 for (it = client_list; it; it = g_list_next(it))
384 client_move_onscreen(it->data, FALSE);
387 void screen_set_num_desktops(guint num)
395 if (screen_num_desktops == num) return;
397 old = screen_num_desktops;
398 screen_num_desktops = num;
399 PROP_SET32(RootWindow(ob_display, ob_screen),
400 net_number_of_desktops, cardinal, num);
402 /* set the viewport hint */
403 viewport = g_new0(gulong, num * 2);
404 PROP_SETA32(RootWindow(ob_display, ob_screen),
405 net_desktop_viewport, cardinal, viewport, num * 2);
408 /* the number of rows/columns will differ */
409 screen_update_layout();
411 /* may be some unnamed desktops that we need to fill in with names */
412 screen_update_desktop_names();
414 /* move windows on desktops that will no longer exist! */
415 for (it = client_list; it; it = g_list_next(it)) {
416 ObClient *c = it->data;
417 if (c->desktop >= num && c->desktop != DESKTOP_ALL)
418 client_set_desktop(c, num - 1, FALSE);
421 /* change our struts/area to match (after moving windows) */
422 screen_update_areas();
424 /* change our desktop if we're on one that no longer exists! */
425 if (screen_desktop >= screen_num_desktops)
426 screen_set_desktop(num - 1);
429 void screen_set_desktop(guint num)
435 g_assert(num < screen_num_desktops);
437 old = screen_desktop;
438 screen_desktop = num;
439 PROP_SET32(RootWindow(ob_display, ob_screen),
440 net_current_desktop, cardinal, num);
442 if (old == num) return;
444 screen_last_desktop = old;
446 ob_debug("Moving to desktop %d\n", num+1);
448 if (moveresize_client)
449 client_set_desktop(moveresize_client, num, TRUE);
451 /* show windows before hiding the rest to lessen the enter/leave events */
453 /* show/hide windows from top to bottom */
454 for (it = stacking_list; it; it = g_list_next(it)) {
455 if (WINDOW_IS_CLIENT(it->data)) {
456 ObClient *c = it->data;
461 /* hide windows from bottom to top */
462 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
463 if (WINDOW_IS_CLIENT(it->data)) {
464 ObClient *c = it->data;
469 /* have to try focus here because when you leave an empty desktop
470 there is no focus out to watch for */
471 if ((c = focus_fallback_target(TRUE, focus_client))) {
472 /* reduce flicker by hiliting now rather than waiting for the server
474 frame_adjust_focus(c->frame, TRUE);
478 event_ignore_queued_enters();
480 if (event_curtime != CurrentTime)
481 screen_desktop_user_time = event_curtime;
484 static void get_row_col(guint d, guint *r, guint *c)
486 switch (screen_desktop_layout.orientation) {
487 case OB_ORIENTATION_HORZ:
488 switch (screen_desktop_layout.start_corner) {
489 case OB_CORNER_TOPLEFT:
490 *r = d / screen_desktop_layout.columns;
491 *c = d % screen_desktop_layout.columns;
493 case OB_CORNER_BOTTOMLEFT:
494 *r = screen_desktop_layout.rows - 1 -
495 d / screen_desktop_layout.columns;
496 *c = d % screen_desktop_layout.columns;
498 case OB_CORNER_TOPRIGHT:
499 *r = d / screen_desktop_layout.columns;
500 *c = screen_desktop_layout.columns - 1 -
501 d % screen_desktop_layout.columns;
503 case OB_CORNER_BOTTOMRIGHT:
504 *r = screen_desktop_layout.rows - 1 -
505 d / screen_desktop_layout.columns;
506 *c = screen_desktop_layout.columns - 1 -
507 d % screen_desktop_layout.columns;
511 case OB_ORIENTATION_VERT:
512 switch (screen_desktop_layout.start_corner) {
513 case OB_CORNER_TOPLEFT:
514 *r = d % screen_desktop_layout.rows;
515 *c = d / screen_desktop_layout.rows;
517 case OB_CORNER_BOTTOMLEFT:
518 *r = screen_desktop_layout.rows - 1 -
519 d % screen_desktop_layout.rows;
520 *c = d / screen_desktop_layout.rows;
522 case OB_CORNER_TOPRIGHT:
523 *r = d % screen_desktop_layout.rows;
524 *c = screen_desktop_layout.columns - 1 -
525 d / screen_desktop_layout.rows;
527 case OB_CORNER_BOTTOMRIGHT:
528 *r = screen_desktop_layout.rows - 1 -
529 d % screen_desktop_layout.rows;
530 *c = screen_desktop_layout.columns - 1 -
531 d / screen_desktop_layout.rows;
538 static guint translate_row_col(guint r, guint c)
540 switch (screen_desktop_layout.orientation) {
541 case OB_ORIENTATION_HORZ:
542 switch (screen_desktop_layout.start_corner) {
543 case OB_CORNER_TOPLEFT:
544 return r % screen_desktop_layout.rows *
545 screen_desktop_layout.columns +
546 c % screen_desktop_layout.columns;
547 case OB_CORNER_BOTTOMLEFT:
548 return (screen_desktop_layout.rows - 1 -
549 r % screen_desktop_layout.rows) *
550 screen_desktop_layout.columns +
551 c % screen_desktop_layout.columns;
552 case OB_CORNER_TOPRIGHT:
553 return r % screen_desktop_layout.rows *
554 screen_desktop_layout.columns +
555 (screen_desktop_layout.columns - 1 -
556 c % screen_desktop_layout.columns);
557 case OB_CORNER_BOTTOMRIGHT:
558 return (screen_desktop_layout.rows - 1 -
559 r % screen_desktop_layout.rows) *
560 screen_desktop_layout.columns +
561 (screen_desktop_layout.columns - 1 -
562 c % screen_desktop_layout.columns);
564 case OB_ORIENTATION_VERT:
565 switch (screen_desktop_layout.start_corner) {
566 case OB_CORNER_TOPLEFT:
567 return c % screen_desktop_layout.columns *
568 screen_desktop_layout.rows +
569 r % screen_desktop_layout.rows;
570 case OB_CORNER_BOTTOMLEFT:
571 return c % screen_desktop_layout.columns *
572 screen_desktop_layout.rows +
573 (screen_desktop_layout.rows - 1 -
574 r % screen_desktop_layout.rows);
575 case OB_CORNER_TOPRIGHT:
576 return (screen_desktop_layout.columns - 1 -
577 c % screen_desktop_layout.columns) *
578 screen_desktop_layout.rows +
579 r % screen_desktop_layout.rows;
580 case OB_CORNER_BOTTOMRIGHT:
581 return (screen_desktop_layout.columns - 1 -
582 c % screen_desktop_layout.columns) *
583 screen_desktop_layout.rows +
584 (screen_desktop_layout.rows - 1 -
585 r % screen_desktop_layout.rows);
588 g_assert_not_reached();
592 void screen_desktop_popup(guint d, gboolean show)
597 pager_popup_hide(desktop_cycle_popup);
599 a = screen_physical_area_monitor(0);
600 pager_popup_position(desktop_cycle_popup, CenterGravity,
601 a->x + a->width / 2, a->y + a->height / 2);
602 /* XXX the size and the font extents need to be related on some level
604 pager_popup_size(desktop_cycle_popup, POPUP_WIDTH, POPUP_HEIGHT);
606 pager_popup_set_text_align(desktop_cycle_popup, RR_JUSTIFY_CENTER);
608 pager_popup_show(desktop_cycle_popup, screen_desktop_names[d], d);
612 guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
613 gboolean dialog, gboolean done, gboolean cancel)
615 static gboolean first = TRUE;
616 static guint origd, d;
622 } else if (done && dialog) {
627 d = origd = screen_desktop;
630 get_row_col(d, &r, &c);
634 case OB_DIRECTION_EAST:
635 if (d < screen_num_desktops - 1)
640 case OB_DIRECTION_WEST:
644 d = screen_num_desktops - 1;
648 return screen_desktop;
652 case OB_DIRECTION_EAST:
654 if (c >= screen_desktop_layout.columns) {
659 goto show_cycle_dialog;
662 d = translate_row_col(r, c);
663 if (d >= screen_num_desktops) {
668 goto show_cycle_dialog;
672 case OB_DIRECTION_WEST:
674 if (c >= screen_desktop_layout.columns) {
676 c = screen_desktop_layout.columns - 1;
679 goto show_cycle_dialog;
682 d = translate_row_col(r, c);
683 if (d >= screen_num_desktops) {
688 goto show_cycle_dialog;
692 case OB_DIRECTION_SOUTH:
694 if (r >= screen_desktop_layout.rows) {
699 goto show_cycle_dialog;
702 d = translate_row_col(r, c);
703 if (d >= screen_num_desktops) {
708 goto show_cycle_dialog;
712 case OB_DIRECTION_NORTH:
714 if (r >= screen_desktop_layout.rows) {
716 r = screen_desktop_layout.rows - 1;
719 goto show_cycle_dialog;
722 d = translate_row_col(r, c);
723 if (d >= screen_num_desktops) {
728 goto show_cycle_dialog;
734 return d = screen_desktop;
737 d = translate_row_col(r, c);
742 screen_desktop_popup(d, TRUE);
749 screen_desktop_popup(0, FALSE);
754 void screen_update_layout()
756 ObOrientation orient;
762 gboolean valid = FALSE;
764 if (PROP_GETA32(RootWindow(ob_display, ob_screen),
765 net_desktop_layout, cardinal, &data, &num)) {
766 if (num == 3 || num == 4) {
768 if (data[0] == prop_atoms.net_wm_orientation_vert)
769 orient = OB_ORIENTATION_VERT;
770 else if (data[0] == prop_atoms.net_wm_orientation_horz)
771 orient = OB_ORIENTATION_HORZ;
773 goto screen_update_layout_bail;
776 corner = OB_CORNER_TOPLEFT;
778 if (data[3] == prop_atoms.net_wm_topleft)
779 corner = OB_CORNER_TOPLEFT;
780 else if (data[3] == prop_atoms.net_wm_topright)
781 corner = OB_CORNER_TOPRIGHT;
782 else if (data[3] == prop_atoms.net_wm_bottomright)
783 corner = OB_CORNER_BOTTOMRIGHT;
784 else if (data[3] == prop_atoms.net_wm_bottomleft)
785 corner = OB_CORNER_BOTTOMLEFT;
787 goto screen_update_layout_bail;
793 /* fill in a zero rows/columns */
794 if ((cols == 0 && rows == 0)) { /* both 0's is bad data.. */
795 goto screen_update_layout_bail;
798 cols = screen_num_desktops / rows;
799 if (rows * cols < screen_num_desktops)
801 if (rows * cols >= screen_num_desktops + cols)
803 } else if (rows == 0) {
804 rows = screen_num_desktops / cols;
805 if (cols * rows < screen_num_desktops)
807 if (cols * rows >= screen_num_desktops + rows)
812 /* bounds checking */
813 if (orient == OB_ORIENTATION_HORZ) {
814 cols = MIN(screen_num_desktops, cols);
815 rows = MIN(rows, (screen_num_desktops + cols - 1) / cols);
816 cols = screen_num_desktops / rows +
817 !!(screen_num_desktops % rows);
819 rows = MIN(screen_num_desktops, rows);
820 cols = MIN(cols, (screen_num_desktops + rows - 1) / rows);
821 rows = screen_num_desktops / cols +
822 !!(screen_num_desktops % cols);
827 screen_update_layout_bail:
833 orient = OB_ORIENTATION_HORZ;
834 corner = OB_CORNER_TOPLEFT;
836 cols = screen_num_desktops;
839 screen_desktop_layout.orientation = orient;
840 screen_desktop_layout.start_corner = corner;
841 screen_desktop_layout.rows = rows;
842 screen_desktop_layout.columns = cols;
845 void screen_update_desktop_names()
849 /* empty the array */
850 g_strfreev(screen_desktop_names);
851 screen_desktop_names = NULL;
853 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
854 net_desktop_names, utf8, &screen_desktop_names))
855 for (i = 0; screen_desktop_names[i] && i <= screen_num_desktops; ++i);
858 if (i <= screen_num_desktops) {
859 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
860 screen_num_desktops + 1);
861 screen_desktop_names[screen_num_desktops] = NULL;
862 for (; i < screen_num_desktops; ++i)
863 screen_desktop_names[i] = g_strdup_printf("Desktop %i", i + 1);
867 void screen_show_desktop(gboolean show)
871 if (show == screen_showing_desktop) return; /* no change */
873 screen_showing_desktop = show;
877 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
878 if (WINDOW_IS_CLIENT(it->data)) {
879 ObClient *client = it->data;
880 client_showhide(client);
885 for (it = stacking_list; it; it = g_list_next(it)) {
886 if (WINDOW_IS_CLIENT(it->data)) {
887 ObClient *client = it->data;
888 client_showhide(client);
895 for (it = focus_order; it; it = g_list_next(it)) {
896 ObClient *c = it->data;
897 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
898 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
899 client_focus(it->data))
905 /* use NULL for the "old" argument because the desktop was focused
906 and we don't want to fallback to the desktop by default */
907 if ((c = focus_fallback_target(TRUE, NULL)))
911 show = !!show; /* make it boolean */
912 PROP_SET32(RootWindow(ob_display, ob_screen),
913 net_showing_desktop, cardinal, show);
916 void screen_install_colormap(ObClient *client, gboolean install)
918 if (client == NULL) {
920 XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
922 XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
924 xerror_set_ignore(TRUE);
926 if (client->colormap != None)
927 XInstallColormap(RrDisplay(ob_rr_inst), client->colormap);
929 XUninstallColormap(RrDisplay(ob_rr_inst), client->colormap);
930 xerror_set_ignore(FALSE);
935 screen_area_add_strut_left(const StrutPartial *s, const Rect *monitor_area,
936 gint edge, Strut *ret)
939 ((s->left_end <= s->left_start) ||
940 (RECT_TOP(*monitor_area) < s->left_end &&
941 RECT_BOTTOM(*monitor_area) > s->left_start)))
942 ret->left = MAX(ret->left, edge);
946 screen_area_add_strut_top(const StrutPartial *s, const Rect *monitor_area,
947 gint edge, Strut *ret)
950 ((s->top_end <= s->top_start) ||
951 (RECT_LEFT(*monitor_area) < s->top_end &&
952 RECT_RIGHT(*monitor_area) > s->top_start)))
953 ret->top = MAX(ret->top, edge);
957 screen_area_add_strut_right(const StrutPartial *s, const Rect *monitor_area,
958 gint edge, Strut *ret)
961 ((s->right_end <= s->right_start) ||
962 (RECT_TOP(*monitor_area) < s->right_end &&
963 RECT_BOTTOM(*monitor_area) > s->right_start)))
964 ret->right = MAX(ret->right, edge);
968 screen_area_add_strut_bottom(const StrutPartial *s, const Rect *monitor_area,
969 gint edge, Strut *ret)
972 ((s->bottom_end <= s->bottom_start) ||
973 (RECT_LEFT(*monitor_area) < s->bottom_end &&
974 RECT_RIGHT(*monitor_area) > s->bottom_start)))
975 ret->bottom = MAX(ret->bottom, edge);
978 void screen_update_areas()
985 g_free(monitor_area);
986 extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
989 for (i = 0; area[i]; ++i)
994 area = g_new(Rect*, screen_num_desktops + 2);
995 for (i = 0; i < screen_num_desktops + 1; ++i)
996 area[i] = g_new0(Rect, screen_num_monitors + 1);
999 dims = g_new(gulong, 4 * screen_num_desktops);
1001 for (i = 0; i < screen_num_desktops + 1; ++i) {
1005 struts = g_new0(Strut, screen_num_monitors);
1007 /* calc the xinerama areas */
1008 for (x = 0; x < screen_num_monitors; ++x) {
1009 area[i][x] = monitor_area[x];
1011 l = monitor_area[x].x;
1012 t = monitor_area[x].y;
1013 r = monitor_area[x].x + monitor_area[x].width - 1;
1014 b = monitor_area[x].y + monitor_area[x].height - 1;
1016 l = MIN(l, monitor_area[x].x);
1017 t = MIN(t, monitor_area[x].y);
1018 r = MAX(r, monitor_area[x].x + monitor_area[x].width - 1);
1019 b = MAX(b, monitor_area[x].y + monitor_area[x].height - 1);
1022 RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
1024 /* apply the struts */
1026 /* find the left-most xin heads, i do this in 2 loops :| */
1028 for (x = 1; x < screen_num_monitors; ++x)
1029 o = MIN(o, area[i][x].x);
1031 for (x = 0; x < screen_num_monitors; ++x) {
1032 for (it = client_list; it; it = g_list_next(it)) {
1033 ObClient *c = it->data;
1034 screen_area_add_strut_left(&c->strut,
1036 o + c->strut.left - area[i][x].x,
1039 screen_area_add_strut_left(&dock_strut,
1041 o + dock_strut.left - area[i][x].x,
1044 area[i][x].x += struts[x].left;
1045 area[i][x].width -= struts[x].left;
1048 /* find the top-most xin heads, i do this in 2 loops :| */
1050 for (x = 1; x < screen_num_monitors; ++x)
1051 o = MIN(o, area[i][x].y);
1053 for (x = 0; x < screen_num_monitors; ++x) {
1054 for (it = client_list; it; it = g_list_next(it)) {
1055 ObClient *c = it->data;
1056 screen_area_add_strut_top(&c->strut,
1058 o + c->strut.top - area[i][x].y,
1061 screen_area_add_strut_top(&dock_strut,
1063 o + dock_strut.top - area[i][x].y,
1066 area[i][x].y += struts[x].top;
1067 area[i][x].height -= struts[x].top;
1070 /* find the right-most xin heads, i do this in 2 loops :| */
1071 o = area[i][0].x + area[i][0].width - 1;
1072 for (x = 1; x < screen_num_monitors; ++x)
1073 o = MAX(o, area[i][x].x + area[i][x].width - 1);
1075 for (x = 0; x < screen_num_monitors; ++x) {
1076 for (it = client_list; it; it = g_list_next(it)) {
1077 ObClient *c = it->data;
1078 screen_area_add_strut_right(&c->strut,
1081 area[i][x].width - 1) -
1082 (o - c->strut.right),
1085 screen_area_add_strut_right(&dock_strut,
1088 area[i][x].width - 1) -
1089 (o - dock_strut.right),
1092 area[i][x].width -= struts[x].right;
1095 /* find the bottom-most xin heads, i do this in 2 loops :| */
1096 o = area[i][0].y + area[i][0].height - 1;
1097 for (x = 1; x < screen_num_monitors; ++x)
1098 o = MAX(o, area[i][x].y + area[i][x].height - 1);
1100 for (x = 0; x < screen_num_monitors; ++x) {
1101 for (it = client_list; it; it = g_list_next(it)) {
1102 ObClient *c = it->data;
1103 screen_area_add_strut_bottom(&c->strut,
1106 area[i][x].height - 1) - \
1107 (o - c->strut.bottom),
1110 screen_area_add_strut_bottom(&dock_strut,
1113 area[i][x].height - 1) - \
1114 (o - dock_strut.bottom),
1117 area[i][x].height -= struts[x].bottom;
1120 l = RECT_LEFT(area[i][0]);
1121 t = RECT_TOP(area[i][0]);
1122 r = RECT_RIGHT(area[i][0]);
1123 b = RECT_BOTTOM(area[i][0]);
1124 for (x = 1; x < screen_num_monitors; ++x) {
1125 l = MIN(l, RECT_LEFT(area[i][x]));
1126 t = MIN(l, RECT_TOP(area[i][x]));
1127 r = MAX(r, RECT_RIGHT(area[i][x]));
1128 b = MAX(b, RECT_BOTTOM(area[i][x]));
1130 RECT_SET(area[i][screen_num_monitors], l, t,
1131 r - l + 1, b - t + 1);
1133 /* XXX optimize when this is run? */
1135 /* the area has changed, adjust all the maximized
1137 for (it = client_list; it; it = g_list_next(it)) {
1138 ObClient *c = it->data;
1139 if (i < screen_num_desktops) {
1140 if (c->desktop == i)
1141 client_reconfigure(c);
1142 } else if (c->desktop == DESKTOP_ALL)
1143 client_reconfigure(c);
1145 if (i < screen_num_desktops) {
1146 /* don't set these for the 'all desktops' area */
1147 dims[(i * 4) + 0] = area[i][screen_num_monitors].x;
1148 dims[(i * 4) + 1] = area[i][screen_num_monitors].y;
1149 dims[(i * 4) + 2] = area[i][screen_num_monitors].width;
1150 dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
1156 PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
1157 dims, 4 * screen_num_desktops);
1162 Rect *screen_area(guint desktop)
1164 return screen_area_monitor(desktop, screen_num_monitors);
1167 Rect *screen_area_monitor(guint desktop, guint head)
1169 if (head > screen_num_monitors)
1171 if (desktop >= screen_num_desktops) {
1172 if (desktop == DESKTOP_ALL)
1173 return &area[screen_num_desktops][head];
1176 return &area[desktop][head];
1179 guint screen_find_monitor(Rect *search)
1185 for (i = 0; i < screen_num_monitors; ++i) {
1186 Rect *area = screen_physical_area_monitor(i);
1187 if (RECT_INTERSECTS_RECT(*area, *search)) {
1191 RECT_SET_INTERSECTION(r, *area, *search);
1192 v = r.width * r.height;
1203 Rect *screen_physical_area()
1205 return screen_physical_area_monitor(screen_num_monitors);
1208 Rect *screen_physical_area_monitor(guint head)
1210 if (head > screen_num_monitors)
1212 return &monitor_area[head];
1215 void screen_set_root_cursor()
1217 if (sn_app_starting())
1218 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1219 ob_cursor(OB_CURSOR_BUSY));
1221 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1222 ob_cursor(OB_CURSOR_POINTER));
1225 gboolean screen_pointer_pos(gint *x, gint *y)
1231 return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
1232 &w, &w, x, y, &i, &i, &u);