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(_("The WM on screen %d is not exiting"), ob_screen);
147 /* Send client message indicating that we are now the WM */
148 prop_message(RootWindow(ob_display, ob_screen), prop_atoms.manager,
149 timestamp, wm_sn_atom, screen_support_win, 0,
150 SubstructureNotifyMask);
155 gboolean screen_annex()
157 XSetWindowAttributes attrib;
162 /* create the netwm support window */
163 attrib.override_redirect = TRUE;
164 screen_support_win = XCreateWindow(ob_display,
165 RootWindow(ob_display, ob_screen),
167 CopyFromParent, InputOutput,
169 CWOverrideRedirect, &attrib);
170 XMapWindow(ob_display, screen_support_win);
173 XDestroyWindow(ob_display, screen_support_win);
177 xerror_set_ignore(TRUE);
178 xerror_occured = FALSE;
179 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
181 xerror_set_ignore(FALSE);
182 if (xerror_occured) {
183 g_message(_("A window manager is already running on screen %d"),
186 XDestroyWindow(ob_display, screen_support_win);
191 screen_set_root_cursor();
193 /* set the OPENBOX_PID hint */
195 PROP_SET32(RootWindow(ob_display, ob_screen),
196 openbox_pid, cardinal, pid);
198 /* set supporting window */
199 PROP_SET32(RootWindow(ob_display, ob_screen),
200 net_supporting_wm_check, window, screen_support_win);
202 /* set properties on the supporting window */
203 PROP_SETS(screen_support_win, net_wm_name, "Openbox");
204 PROP_SET32(screen_support_win, net_supporting_wm_check,
205 window, screen_support_win);
207 /* set the _NET_SUPPORTED_ATOMS hint */
213 supported = g_new(gulong, num_support);
214 supported[i++] = prop_atoms.net_wm_full_placement;
215 supported[i++] = prop_atoms.net_current_desktop;
216 supported[i++] = prop_atoms.net_number_of_desktops;
217 supported[i++] = prop_atoms.net_desktop_geometry;
218 supported[i++] = prop_atoms.net_desktop_viewport;
219 supported[i++] = prop_atoms.net_active_window;
220 supported[i++] = prop_atoms.net_workarea;
221 supported[i++] = prop_atoms.net_client_list;
222 supported[i++] = prop_atoms.net_client_list_stacking;
223 supported[i++] = prop_atoms.net_desktop_names;
224 supported[i++] = prop_atoms.net_close_window;
225 supported[i++] = prop_atoms.net_desktop_layout;
226 supported[i++] = prop_atoms.net_showing_desktop;
227 supported[i++] = prop_atoms.net_wm_name;
228 supported[i++] = prop_atoms.net_wm_visible_name;
229 supported[i++] = prop_atoms.net_wm_icon_name;
230 supported[i++] = prop_atoms.net_wm_visible_icon_name;
231 supported[i++] = prop_atoms.net_wm_desktop;
232 supported[i++] = prop_atoms.net_wm_strut;
233 supported[i++] = prop_atoms.net_wm_window_type;
234 supported[i++] = prop_atoms.net_wm_window_type_desktop;
235 supported[i++] = prop_atoms.net_wm_window_type_dock;
236 supported[i++] = prop_atoms.net_wm_window_type_toolbar;
237 supported[i++] = prop_atoms.net_wm_window_type_menu;
238 supported[i++] = prop_atoms.net_wm_window_type_utility;
239 supported[i++] = prop_atoms.net_wm_window_type_splash;
240 supported[i++] = prop_atoms.net_wm_window_type_dialog;
241 supported[i++] = prop_atoms.net_wm_window_type_normal;
242 supported[i++] = prop_atoms.net_wm_allowed_actions;
243 supported[i++] = prop_atoms.net_wm_action_move;
244 supported[i++] = prop_atoms.net_wm_action_resize;
245 supported[i++] = prop_atoms.net_wm_action_minimize;
246 supported[i++] = prop_atoms.net_wm_action_shade;
247 supported[i++] = prop_atoms.net_wm_action_maximize_horz;
248 supported[i++] = prop_atoms.net_wm_action_maximize_vert;
249 supported[i++] = prop_atoms.net_wm_action_fullscreen;
250 supported[i++] = prop_atoms.net_wm_action_change_desktop;
251 supported[i++] = prop_atoms.net_wm_action_close;
252 supported[i++] = prop_atoms.net_wm_state;
253 supported[i++] = prop_atoms.net_wm_state_modal;
254 supported[i++] = prop_atoms.net_wm_state_maximized_vert;
255 supported[i++] = prop_atoms.net_wm_state_maximized_horz;
256 supported[i++] = prop_atoms.net_wm_state_shaded;
257 supported[i++] = prop_atoms.net_wm_state_skip_taskbar;
258 supported[i++] = prop_atoms.net_wm_state_skip_pager;
259 supported[i++] = prop_atoms.net_wm_state_hidden;
260 supported[i++] = prop_atoms.net_wm_state_fullscreen;
261 supported[i++] = prop_atoms.net_wm_state_above;
262 supported[i++] = prop_atoms.net_wm_state_below;
263 supported[i++] = prop_atoms.net_wm_state_demands_attention;
264 supported[i++] = prop_atoms.net_moveresize_window;
265 supported[i++] = prop_atoms.net_wm_moveresize;
266 supported[i++] = prop_atoms.net_wm_user_time;
267 supported[i++] = prop_atoms.net_frame_extents;
269 supported[i++] = prop_atoms.net_wm_sync_request;
270 supported[i++] = prop_atoms.net_wm_sync_request_counter;
272 supported[i++] = prop_atoms.ob_wm_state_undecorated;
273 g_assert(i == num_support);
275 PROP_SETA32(RootWindow(ob_display, ob_screen),
276 net_supported, atom, supported, num_support);
282 void screen_startup(gboolean reconfig)
287 desktop_cycle_popup = pager_popup_new(FALSE);
290 /* get the initial size */
294 screen_desktop_names = g_new(gchar*,
295 g_slist_length(config_desktops_names) + 1);
296 for (i = 0, it = config_desktops_names; it; ++i, it = g_slist_next(it))
297 screen_desktop_names[i] = it->data; /* dont strdup */
298 screen_desktop_names[i] = NULL;
299 PROP_SETSS(RootWindow(ob_display, ob_screen),
300 net_desktop_names, screen_desktop_names);
301 g_free(screen_desktop_names); /* dont free the individual strings */
302 screen_desktop_names = NULL;
305 screen_num_desktops = 0;
306 screen_set_num_desktops(config_desktops_num);
309 /* start on the current desktop when a wm was already running */
310 if (PROP_GET32(RootWindow(ob_display, ob_screen),
311 net_current_desktop, cardinal, &d) &&
312 d < screen_num_desktops)
314 screen_set_desktop(d);
316 screen_set_desktop(MIN(config_screen_firstdesk,
317 screen_num_desktops) - 1);
319 /* don't start in showing-desktop mode */
320 screen_showing_desktop = FALSE;
321 PROP_SET32(RootWindow(ob_display, ob_screen),
322 net_showing_desktop, cardinal, screen_showing_desktop);
324 screen_update_layout();
328 void screen_shutdown(gboolean reconfig)
332 pager_popup_free(desktop_cycle_popup);
335 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
338 /* we're not running here no more! */
339 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
341 PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
342 /* don't keep this mode */
343 PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
345 XDestroyWindow(ob_display, screen_support_win);
348 g_strfreev(screen_desktop_names);
349 screen_desktop_names = NULL;
350 for (r = area; *r; ++r)
358 static gint oldw = 0, oldh = 0;
363 w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
364 h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
366 if (w == oldw && h == oldh) return;
370 /* Set the _NET_DESKTOP_GEOMETRY hint */
371 screen_physical_size.width = geometry[0] = w;
372 screen_physical_size.height = geometry[1] = h;
373 PROP_SETA32(RootWindow(ob_display, ob_screen),
374 net_desktop_geometry, cardinal, geometry, 2);
376 if (ob_state() == OB_STATE_STARTING)
379 screen_update_areas();
382 for (it = client_list; it; it = g_list_next(it))
383 client_move_onscreen(it->data, FALSE);
386 void screen_set_num_desktops(guint num)
394 if (screen_num_desktops == num) return;
396 old = screen_num_desktops;
397 screen_num_desktops = num;
398 PROP_SET32(RootWindow(ob_display, ob_screen),
399 net_number_of_desktops, cardinal, num);
401 /* set the viewport hint */
402 viewport = g_new0(gulong, num * 2);
403 PROP_SETA32(RootWindow(ob_display, ob_screen),
404 net_desktop_viewport, cardinal, viewport, num * 2);
407 /* the number of rows/columns will differ */
408 screen_update_layout();
410 /* may be some unnamed desktops that we need to fill in with names */
411 screen_update_desktop_names();
413 /* move windows on desktops that will no longer exist! */
414 for (it = client_list; it; it = g_list_next(it)) {
415 ObClient *c = it->data;
416 if (c->desktop >= num && c->desktop != DESKTOP_ALL)
417 client_set_desktop(c, num - 1, FALSE);
420 /* change our struts/area to match (after moving windows) */
421 screen_update_areas();
423 /* change our desktop if we're on one that no longer exists! */
424 if (screen_desktop >= screen_num_desktops)
425 screen_set_desktop(num - 1);
428 void screen_set_desktop(guint num)
434 g_assert(num < screen_num_desktops);
436 old = screen_desktop;
437 screen_desktop = num;
438 PROP_SET32(RootWindow(ob_display, ob_screen),
439 net_current_desktop, cardinal, num);
441 if (old == num) return;
443 screen_last_desktop = old;
445 ob_debug("Moving to desktop %d\n", num+1);
447 if (moveresize_client)
448 client_set_desktop(moveresize_client, num, TRUE);
450 /* show windows before hiding the rest to lessen the enter/leave events */
452 /* show/hide windows from top to bottom */
453 for (it = stacking_list; it; it = g_list_next(it)) {
454 if (WINDOW_IS_CLIENT(it->data)) {
455 ObClient *c = it->data;
460 /* hide windows from bottom to top */
461 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
462 if (WINDOW_IS_CLIENT(it->data)) {
463 ObClient *c = it->data;
468 /* have to try focus here because when you leave an empty desktop
469 there is no focus out to watch for */
470 if ((c = focus_fallback_target(TRUE, focus_client))) {
471 /* reduce flicker by hiliting now rather than waiting for the server
473 frame_adjust_focus(c->frame, TRUE);
477 event_ignore_queued_enters();
479 if (event_curtime != CurrentTime)
480 screen_desktop_user_time = event_curtime;
483 static void get_row_col(guint d, guint *r, guint *c)
485 switch (screen_desktop_layout.orientation) {
486 case OB_ORIENTATION_HORZ:
487 switch (screen_desktop_layout.start_corner) {
488 case OB_CORNER_TOPLEFT:
489 *r = d / screen_desktop_layout.columns;
490 *c = d % screen_desktop_layout.columns;
492 case OB_CORNER_BOTTOMLEFT:
493 *r = screen_desktop_layout.rows - 1 -
494 d / screen_desktop_layout.columns;
495 *c = d % screen_desktop_layout.columns;
497 case OB_CORNER_TOPRIGHT:
498 *r = d / screen_desktop_layout.columns;
499 *c = screen_desktop_layout.columns - 1 -
500 d % screen_desktop_layout.columns;
502 case OB_CORNER_BOTTOMRIGHT:
503 *r = screen_desktop_layout.rows - 1 -
504 d / screen_desktop_layout.columns;
505 *c = screen_desktop_layout.columns - 1 -
506 d % screen_desktop_layout.columns;
510 case OB_ORIENTATION_VERT:
511 switch (screen_desktop_layout.start_corner) {
512 case OB_CORNER_TOPLEFT:
513 *r = d % screen_desktop_layout.rows;
514 *c = d / screen_desktop_layout.rows;
516 case OB_CORNER_BOTTOMLEFT:
517 *r = screen_desktop_layout.rows - 1 -
518 d % screen_desktop_layout.rows;
519 *c = d / screen_desktop_layout.rows;
521 case OB_CORNER_TOPRIGHT:
522 *r = d % screen_desktop_layout.rows;
523 *c = screen_desktop_layout.columns - 1 -
524 d / screen_desktop_layout.rows;
526 case OB_CORNER_BOTTOMRIGHT:
527 *r = screen_desktop_layout.rows - 1 -
528 d % screen_desktop_layout.rows;
529 *c = screen_desktop_layout.columns - 1 -
530 d / screen_desktop_layout.rows;
537 static guint translate_row_col(guint r, guint c)
539 switch (screen_desktop_layout.orientation) {
540 case OB_ORIENTATION_HORZ:
541 switch (screen_desktop_layout.start_corner) {
542 case OB_CORNER_TOPLEFT:
543 return r % screen_desktop_layout.rows *
544 screen_desktop_layout.columns +
545 c % screen_desktop_layout.columns;
546 case OB_CORNER_BOTTOMLEFT:
547 return (screen_desktop_layout.rows - 1 -
548 r % screen_desktop_layout.rows) *
549 screen_desktop_layout.columns +
550 c % screen_desktop_layout.columns;
551 case OB_CORNER_TOPRIGHT:
552 return r % screen_desktop_layout.rows *
553 screen_desktop_layout.columns +
554 (screen_desktop_layout.columns - 1 -
555 c % screen_desktop_layout.columns);
556 case OB_CORNER_BOTTOMRIGHT:
557 return (screen_desktop_layout.rows - 1 -
558 r % screen_desktop_layout.rows) *
559 screen_desktop_layout.columns +
560 (screen_desktop_layout.columns - 1 -
561 c % screen_desktop_layout.columns);
563 case OB_ORIENTATION_VERT:
564 switch (screen_desktop_layout.start_corner) {
565 case OB_CORNER_TOPLEFT:
566 return c % screen_desktop_layout.columns *
567 screen_desktop_layout.rows +
568 r % screen_desktop_layout.rows;
569 case OB_CORNER_BOTTOMLEFT:
570 return c % screen_desktop_layout.columns *
571 screen_desktop_layout.rows +
572 (screen_desktop_layout.rows - 1 -
573 r % screen_desktop_layout.rows);
574 case OB_CORNER_TOPRIGHT:
575 return (screen_desktop_layout.columns - 1 -
576 c % screen_desktop_layout.columns) *
577 screen_desktop_layout.rows +
578 r % screen_desktop_layout.rows;
579 case OB_CORNER_BOTTOMRIGHT:
580 return (screen_desktop_layout.columns - 1 -
581 c % screen_desktop_layout.columns) *
582 screen_desktop_layout.rows +
583 (screen_desktop_layout.rows - 1 -
584 r % screen_desktop_layout.rows);
587 g_assert_not_reached();
591 void screen_desktop_popup(guint d, gboolean show)
596 pager_popup_hide(desktop_cycle_popup);
598 a = screen_physical_area_monitor(0);
599 pager_popup_position(desktop_cycle_popup, CenterGravity,
600 a->x + a->width / 2, a->y + a->height / 2);
601 pager_popup_width(desktop_cycle_popup, MAX(a->width/3, POPUP_WIDTH));
602 pager_popup_height(desktop_cycle_popup, POPUP_HEIGHT);
604 pager_popup_delay_show(desktop_cycle_popup, G_USEC_PER_SEC/12,
605 screen_desktop_names[d], d);
609 guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
610 gboolean dialog, gboolean done, gboolean cancel)
612 static gboolean first = TRUE;
613 static guint origd, d;
619 } else if (done && dialog) {
624 d = origd = screen_desktop;
627 get_row_col(d, &r, &c);
631 case OB_DIRECTION_EAST:
632 if (d < screen_num_desktops - 1)
637 case OB_DIRECTION_WEST:
641 d = screen_num_desktops - 1;
645 return screen_desktop;
649 case OB_DIRECTION_EAST:
651 if (c >= screen_desktop_layout.columns) {
656 goto show_cycle_dialog;
659 d = translate_row_col(r, c);
660 if (d >= screen_num_desktops) {
665 goto show_cycle_dialog;
669 case OB_DIRECTION_WEST:
671 if (c >= screen_desktop_layout.columns) {
673 c = screen_desktop_layout.columns - 1;
676 goto show_cycle_dialog;
679 d = translate_row_col(r, c);
680 if (d >= screen_num_desktops) {
685 goto show_cycle_dialog;
689 case OB_DIRECTION_SOUTH:
691 if (r >= screen_desktop_layout.rows) {
696 goto show_cycle_dialog;
699 d = translate_row_col(r, c);
700 if (d >= screen_num_desktops) {
705 goto show_cycle_dialog;
709 case OB_DIRECTION_NORTH:
711 if (r >= screen_desktop_layout.rows) {
713 r = screen_desktop_layout.rows - 1;
716 goto show_cycle_dialog;
719 d = translate_row_col(r, c);
720 if (d >= screen_num_desktops) {
725 goto show_cycle_dialog;
731 return d = screen_desktop;
734 d = translate_row_col(r, c);
739 screen_desktop_popup(d, TRUE);
746 screen_desktop_popup(0, FALSE);
751 void screen_update_layout()
753 ObOrientation orient;
759 gboolean valid = FALSE;
761 if (PROP_GETA32(RootWindow(ob_display, ob_screen),
762 net_desktop_layout, cardinal, &data, &num)) {
763 if (num == 3 || num == 4) {
765 if (data[0] == prop_atoms.net_wm_orientation_vert)
766 orient = OB_ORIENTATION_VERT;
767 else if (data[0] == prop_atoms.net_wm_orientation_horz)
768 orient = OB_ORIENTATION_HORZ;
770 goto screen_update_layout_bail;
773 corner = OB_CORNER_TOPLEFT;
775 if (data[3] == prop_atoms.net_wm_topleft)
776 corner = OB_CORNER_TOPLEFT;
777 else if (data[3] == prop_atoms.net_wm_topright)
778 corner = OB_CORNER_TOPRIGHT;
779 else if (data[3] == prop_atoms.net_wm_bottomright)
780 corner = OB_CORNER_BOTTOMRIGHT;
781 else if (data[3] == prop_atoms.net_wm_bottomleft)
782 corner = OB_CORNER_BOTTOMLEFT;
784 goto screen_update_layout_bail;
790 /* fill in a zero rows/columns */
791 if ((cols == 0 && rows == 0)) { /* both 0's is bad data.. */
792 goto screen_update_layout_bail;
795 cols = screen_num_desktops / rows;
796 if (rows * cols < screen_num_desktops)
798 if (rows * cols >= screen_num_desktops + cols)
800 } else if (rows == 0) {
801 rows = screen_num_desktops / cols;
802 if (cols * rows < screen_num_desktops)
804 if (cols * rows >= screen_num_desktops + rows)
809 /* bounds checking */
810 if (orient == OB_ORIENTATION_HORZ) {
811 cols = MIN(screen_num_desktops, cols);
812 rows = MIN(rows, (screen_num_desktops + cols - 1) / cols);
813 cols = screen_num_desktops / rows +
814 !!(screen_num_desktops % rows);
816 rows = MIN(screen_num_desktops, rows);
817 cols = MIN(cols, (screen_num_desktops + rows - 1) / rows);
818 rows = screen_num_desktops / cols +
819 !!(screen_num_desktops % cols);
824 screen_update_layout_bail:
830 orient = OB_ORIENTATION_HORZ;
831 corner = OB_CORNER_TOPLEFT;
833 cols = screen_num_desktops;
836 screen_desktop_layout.orientation = orient;
837 screen_desktop_layout.start_corner = corner;
838 screen_desktop_layout.rows = rows;
839 screen_desktop_layout.columns = cols;
842 void screen_update_desktop_names()
846 /* empty the array */
847 g_strfreev(screen_desktop_names);
848 screen_desktop_names = NULL;
850 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
851 net_desktop_names, utf8, &screen_desktop_names))
852 for (i = 0; screen_desktop_names[i] && i <= screen_num_desktops; ++i);
855 if (i <= screen_num_desktops) {
856 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
857 screen_num_desktops + 1);
858 screen_desktop_names[screen_num_desktops] = NULL;
859 for (; i < screen_num_desktops; ++i)
860 screen_desktop_names[i] = g_strdup_printf("Desktop %i", i + 1);
864 void screen_show_desktop(gboolean show)
868 if (show == screen_showing_desktop) return; /* no change */
870 screen_showing_desktop = show;
874 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
875 if (WINDOW_IS_CLIENT(it->data)) {
876 ObClient *client = it->data;
877 client_showhide(client);
882 for (it = stacking_list; it; it = g_list_next(it)) {
883 if (WINDOW_IS_CLIENT(it->data)) {
884 ObClient *client = it->data;
885 client_showhide(client);
892 for (it = focus_order; it; it = g_list_next(it)) {
893 ObClient *c = it->data;
894 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
895 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
896 client_focus(it->data))
902 /* use NULL for the "old" argument because the desktop was focused
903 and we don't want to fallback to the desktop by default */
904 if ((c = focus_fallback_target(TRUE, NULL)))
908 show = !!show; /* make it boolean */
909 PROP_SET32(RootWindow(ob_display, ob_screen),
910 net_showing_desktop, cardinal, show);
913 void screen_install_colormap(ObClient *client, gboolean install)
915 if (client == NULL) {
917 XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
919 XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
921 xerror_set_ignore(TRUE);
923 if (client->colormap != None)
924 XInstallColormap(RrDisplay(ob_rr_inst), client->colormap);
926 XUninstallColormap(RrDisplay(ob_rr_inst), client->colormap);
927 xerror_set_ignore(FALSE);
932 screen_area_add_strut_left(const StrutPartial *s, const Rect *monitor_area,
933 gint edge, Strut *ret)
936 ((s->left_end <= s->left_start) ||
937 (RECT_TOP(*monitor_area) < s->left_end &&
938 RECT_BOTTOM(*monitor_area) > s->left_start)))
939 ret->left = MAX(ret->left, edge);
943 screen_area_add_strut_top(const StrutPartial *s, const Rect *monitor_area,
944 gint edge, Strut *ret)
947 ((s->top_end <= s->top_start) ||
948 (RECT_LEFT(*monitor_area) < s->top_end &&
949 RECT_RIGHT(*monitor_area) > s->top_start)))
950 ret->top = MAX(ret->top, edge);
954 screen_area_add_strut_right(const StrutPartial *s, const Rect *monitor_area,
955 gint edge, Strut *ret)
958 ((s->right_end <= s->right_start) ||
959 (RECT_TOP(*monitor_area) < s->right_end &&
960 RECT_BOTTOM(*monitor_area) > s->right_start)))
961 ret->right = MAX(ret->right, edge);
965 screen_area_add_strut_bottom(const StrutPartial *s, const Rect *monitor_area,
966 gint edge, Strut *ret)
969 ((s->bottom_end <= s->bottom_start) ||
970 (RECT_LEFT(*monitor_area) < s->bottom_end &&
971 RECT_RIGHT(*monitor_area) > s->bottom_start)))
972 ret->bottom = MAX(ret->bottom, edge);
975 void screen_update_areas()
982 g_free(monitor_area);
983 extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
986 for (i = 0; area[i]; ++i)
991 area = g_new(Rect*, screen_num_desktops + 2);
992 for (i = 0; i < screen_num_desktops + 1; ++i)
993 area[i] = g_new0(Rect, screen_num_monitors + 1);
996 dims = g_new(gulong, 4 * screen_num_desktops);
998 for (i = 0; i < screen_num_desktops + 1; ++i) {
1002 struts = g_new0(Strut, screen_num_monitors);
1004 /* calc the xinerama areas */
1005 for (x = 0; x < screen_num_monitors; ++x) {
1006 area[i][x] = monitor_area[x];
1008 l = monitor_area[x].x;
1009 t = monitor_area[x].y;
1010 r = monitor_area[x].x + monitor_area[x].width - 1;
1011 b = monitor_area[x].y + monitor_area[x].height - 1;
1013 l = MIN(l, monitor_area[x].x);
1014 t = MIN(t, monitor_area[x].y);
1015 r = MAX(r, monitor_area[x].x + monitor_area[x].width - 1);
1016 b = MAX(b, monitor_area[x].y + monitor_area[x].height - 1);
1019 RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
1021 /* apply the struts */
1023 /* find the left-most xin heads, i do this in 2 loops :| */
1025 for (x = 1; x < screen_num_monitors; ++x)
1026 o = MIN(o, area[i][x].x);
1028 for (x = 0; x < screen_num_monitors; ++x) {
1029 for (it = client_list; it; it = g_list_next(it)) {
1030 ObClient *c = it->data;
1031 screen_area_add_strut_left(&c->strut,
1033 o + c->strut.left - area[i][x].x,
1036 screen_area_add_strut_left(&dock_strut,
1038 o + dock_strut.left - area[i][x].x,
1041 area[i][x].x += struts[x].left;
1042 area[i][x].width -= struts[x].left;
1045 /* find the top-most xin heads, i do this in 2 loops :| */
1047 for (x = 1; x < screen_num_monitors; ++x)
1048 o = MIN(o, area[i][x].y);
1050 for (x = 0; x < screen_num_monitors; ++x) {
1051 for (it = client_list; it; it = g_list_next(it)) {
1052 ObClient *c = it->data;
1053 screen_area_add_strut_top(&c->strut,
1055 o + c->strut.top - area[i][x].y,
1058 screen_area_add_strut_top(&dock_strut,
1060 o + dock_strut.top - area[i][x].y,
1063 area[i][x].y += struts[x].top;
1064 area[i][x].height -= struts[x].top;
1067 /* find the right-most xin heads, i do this in 2 loops :| */
1068 o = area[i][0].x + area[i][0].width - 1;
1069 for (x = 1; x < screen_num_monitors; ++x)
1070 o = MAX(o, area[i][x].x + area[i][x].width - 1);
1072 for (x = 0; x < screen_num_monitors; ++x) {
1073 for (it = client_list; it; it = g_list_next(it)) {
1074 ObClient *c = it->data;
1075 screen_area_add_strut_right(&c->strut,
1078 area[i][x].width - 1) -
1079 (o - c->strut.right),
1082 screen_area_add_strut_right(&dock_strut,
1085 area[i][x].width - 1) -
1086 (o - dock_strut.right),
1089 area[i][x].width -= struts[x].right;
1092 /* find the bottom-most xin heads, i do this in 2 loops :| */
1093 o = area[i][0].y + area[i][0].height - 1;
1094 for (x = 1; x < screen_num_monitors; ++x)
1095 o = MAX(o, area[i][x].y + area[i][x].height - 1);
1097 for (x = 0; x < screen_num_monitors; ++x) {
1098 for (it = client_list; it; it = g_list_next(it)) {
1099 ObClient *c = it->data;
1100 screen_area_add_strut_bottom(&c->strut,
1103 area[i][x].height - 1) - \
1104 (o - c->strut.bottom),
1107 screen_area_add_strut_bottom(&dock_strut,
1110 area[i][x].height - 1) - \
1111 (o - dock_strut.bottom),
1114 area[i][x].height -= struts[x].bottom;
1117 l = RECT_LEFT(area[i][0]);
1118 t = RECT_TOP(area[i][0]);
1119 r = RECT_RIGHT(area[i][0]);
1120 b = RECT_BOTTOM(area[i][0]);
1121 for (x = 1; x < screen_num_monitors; ++x) {
1122 l = MIN(l, RECT_LEFT(area[i][x]));
1123 t = MIN(l, RECT_TOP(area[i][x]));
1124 r = MAX(r, RECT_RIGHT(area[i][x]));
1125 b = MAX(b, RECT_BOTTOM(area[i][x]));
1127 RECT_SET(area[i][screen_num_monitors], l, t,
1128 r - l + 1, b - t + 1);
1130 /* XXX optimize when this is run? */
1132 /* the area has changed, adjust all the maximized
1134 for (it = client_list; it; it = g_list_next(it)) {
1135 ObClient *c = it->data;
1136 if (i < screen_num_desktops) {
1137 if (c->desktop == i)
1138 client_reconfigure(c);
1139 } else if (c->desktop == DESKTOP_ALL)
1140 client_reconfigure(c);
1142 if (i < screen_num_desktops) {
1143 /* don't set these for the 'all desktops' area */
1144 dims[(i * 4) + 0] = area[i][screen_num_monitors].x;
1145 dims[(i * 4) + 1] = area[i][screen_num_monitors].y;
1146 dims[(i * 4) + 2] = area[i][screen_num_monitors].width;
1147 dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
1153 PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
1154 dims, 4 * screen_num_desktops);
1159 Rect *screen_area(guint desktop)
1161 return screen_area_monitor(desktop, screen_num_monitors);
1164 Rect *screen_area_monitor(guint desktop, guint head)
1166 if (head > screen_num_monitors)
1168 if (desktop >= screen_num_desktops) {
1169 if (desktop == DESKTOP_ALL)
1170 return &area[screen_num_desktops][head];
1173 return &area[desktop][head];
1176 guint screen_find_monitor(Rect *search)
1182 for (i = 0; i < screen_num_monitors; ++i) {
1183 Rect *area = screen_physical_area_monitor(i);
1184 if (RECT_INTERSECTS_RECT(*area, *search)) {
1188 RECT_SET_INTERSECTION(r, *area, *search);
1189 v = r.width * r.height;
1200 Rect *screen_physical_area()
1202 return screen_physical_area_monitor(screen_num_monitors);
1205 Rect *screen_physical_area_monitor(guint head)
1207 if (head > screen_num_monitors)
1209 return &monitor_area[head];
1212 void screen_set_root_cursor()
1214 if (sn_app_starting())
1215 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1216 ob_cursor(OB_CURSOR_BUSY));
1218 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1219 ob_cursor(OB_CURSOR_POINTER));
1222 gboolean screen_pointer_pos(gint *x, gint *y)
1228 return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
1229 &w, &w, x, y, &i, &i, &u);