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"
36 #include "extensions.h"
37 #include "render/render.h"
42 # include <sys/types.h>
47 /*! The event mask to grab on the root window */
48 #define ROOT_EVENTMASK (StructureNotifyMask | PropertyChangeMask | \
49 EnterWindowMask | LeaveWindowMask | \
50 SubstructureRedirectMask | FocusChangeMask | \
51 ButtonPressMask | ButtonReleaseMask | ButtonMotionMask)
53 guint screen_num_desktops;
54 guint screen_num_monitors;
56 guint screen_last_desktop;
57 Size screen_physical_size;
58 gboolean screen_showing_desktop;
59 DesktopLayout screen_desktop_layout;
60 gchar **screen_desktop_names;
61 Window screen_support_win;
62 Time screen_desktop_user_time = CurrentTime;
64 static Rect **area; /* array of desktop holding array of xinerama areas */
65 static Rect *monitor_area;
67 static ObPagerPopup *desktop_cycle_popup;
69 static gboolean replace_wm()
73 Window current_wm_sn_owner;
76 wm_sn = g_strdup_printf("WM_S%d", ob_screen);
77 wm_sn_atom = XInternAtom(ob_display, wm_sn, FALSE);
80 current_wm_sn_owner = XGetSelectionOwner(ob_display, wm_sn_atom);
81 if (current_wm_sn_owner == screen_support_win)
82 current_wm_sn_owner = None;
83 if (current_wm_sn_owner) {
85 g_message(_("A window manager is already running on screen %d"),
89 xerror_set_ignore(TRUE);
90 xerror_occured = FALSE;
92 /* We want to find out when the current selection owner dies */
93 XSelectInput(ob_display, current_wm_sn_owner, StructureNotifyMask);
94 XSync(ob_display, FALSE);
96 xerror_set_ignore(FALSE);
98 current_wm_sn_owner = None;
102 /* Generate a timestamp */
105 XSelectInput(ob_display, screen_support_win, PropertyChangeMask);
107 XChangeProperty(ob_display, screen_support_win,
108 prop_atoms.wm_class, prop_atoms.string,
109 8, PropModeAppend, NULL, 0);
110 XWindowEvent(ob_display, screen_support_win,
111 PropertyChangeMask, &event);
113 XSelectInput(ob_display, screen_support_win, NoEventMask);
115 timestamp = event.xproperty.time;
118 XSetSelectionOwner(ob_display, wm_sn_atom, screen_support_win,
121 if (XGetSelectionOwner(ob_display, wm_sn_atom) != screen_support_win) {
122 g_message(_("Could not acquire window manager selection on screen %d"),
127 /* Wait for old window manager to go away */
128 if (current_wm_sn_owner) {
131 const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
133 while (wait < timeout) {
134 if (XCheckWindowEvent(ob_display, current_wm_sn_owner,
135 StructureNotifyMask, &event) &&
136 event.type == DestroyNotify)
138 g_usleep(G_USEC_PER_SEC / 10);
139 wait += G_USEC_PER_SEC / 10;
142 if (wait >= timeout) {
143 g_message(_("The WM on screen %d is not exiting"), 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, screen_support_win, 0,
151 SubstructureNotifyMask);
156 gboolean screen_annex(const gchar *program_name)
158 XSetWindowAttributes attrib;
161 Atom *prop_atoms_start, *wm_supported_pos;
164 /* create the netwm support window */
165 attrib.override_redirect = TRUE;
166 screen_support_win = XCreateWindow(ob_display,
167 RootWindow(ob_display, ob_screen),
169 CopyFromParent, InputOutput,
171 CWOverrideRedirect, &attrib);
172 XMapWindow(ob_display, screen_support_win);
173 XLowerWindow(ob_display, screen_support_win);
176 XDestroyWindow(ob_display, screen_support_win);
180 xerror_set_ignore(TRUE);
181 xerror_occured = FALSE;
182 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
184 xerror_set_ignore(FALSE);
185 if (xerror_occured) {
186 g_message(_("A window manager is already running on screen %d"),
189 XDestroyWindow(ob_display, screen_support_win);
194 screen_set_root_cursor();
196 /* set the OPENBOX_PID hint */
198 PROP_SET32(RootWindow(ob_display, ob_screen),
199 openbox_pid, cardinal, pid);
201 /* set supporting window */
202 PROP_SET32(RootWindow(ob_display, ob_screen),
203 net_supporting_wm_check, window, screen_support_win);
205 /* set properties on the supporting window */
206 PROP_SETS(screen_support_win, net_wm_name, program_name);
207 PROP_SET32(screen_support_win, net_supporting_wm_check,
208 window, screen_support_win);
210 /* set the _NET_SUPPORTED_ATOMS hint */
212 /* this is all the atoms after net_supported in the prop_atoms struct */
213 prop_atoms_start = (Atom*)&prop_atoms;
214 wm_supported_pos = (Atom*)&(prop_atoms.net_supported);
215 num_support = sizeof(prop_atoms) / sizeof(Atom) -
216 (wm_supported_pos - prop_atoms_start) - 1;
218 supported = g_new(gulong, num_support);
219 supported[i++] = prop_atoms.net_supporting_wm_check;
220 supported[i++] = prop_atoms.net_wm_full_placement;
221 supported[i++] = prop_atoms.net_current_desktop;
222 supported[i++] = prop_atoms.net_number_of_desktops;
223 supported[i++] = prop_atoms.net_desktop_geometry;
224 supported[i++] = prop_atoms.net_desktop_viewport;
225 supported[i++] = prop_atoms.net_active_window;
226 supported[i++] = prop_atoms.net_workarea;
227 supported[i++] = prop_atoms.net_client_list;
228 supported[i++] = prop_atoms.net_client_list_stacking;
229 supported[i++] = prop_atoms.net_desktop_names;
230 supported[i++] = prop_atoms.net_close_window;
231 supported[i++] = prop_atoms.net_desktop_layout;
232 supported[i++] = prop_atoms.net_showing_desktop;
233 supported[i++] = prop_atoms.net_wm_name;
234 supported[i++] = prop_atoms.net_wm_visible_name;
235 supported[i++] = prop_atoms.net_wm_icon_name;
236 supported[i++] = prop_atoms.net_wm_visible_icon_name;
237 supported[i++] = prop_atoms.net_wm_desktop;
238 supported[i++] = prop_atoms.net_wm_strut;
239 supported[i++] = prop_atoms.net_wm_strut_partial;
240 supported[i++] = prop_atoms.net_wm_icon;
241 supported[i++] = prop_atoms.net_wm_icon_geometry;
242 supported[i++] = prop_atoms.net_wm_window_type;
243 supported[i++] = prop_atoms.net_wm_window_type_desktop;
244 supported[i++] = prop_atoms.net_wm_window_type_dock;
245 supported[i++] = prop_atoms.net_wm_window_type_toolbar;
246 supported[i++] = prop_atoms.net_wm_window_type_menu;
247 supported[i++] = prop_atoms.net_wm_window_type_utility;
248 supported[i++] = prop_atoms.net_wm_window_type_splash;
249 supported[i++] = prop_atoms.net_wm_window_type_dialog;
250 supported[i++] = prop_atoms.net_wm_window_type_normal;
251 supported[i++] = prop_atoms.net_wm_allowed_actions;
252 supported[i++] = prop_atoms.net_wm_action_move;
253 supported[i++] = prop_atoms.net_wm_action_resize;
254 supported[i++] = prop_atoms.net_wm_action_minimize;
255 supported[i++] = prop_atoms.net_wm_action_shade;
256 supported[i++] = prop_atoms.net_wm_action_maximize_horz;
257 supported[i++] = prop_atoms.net_wm_action_maximize_vert;
258 supported[i++] = prop_atoms.net_wm_action_fullscreen;
259 supported[i++] = prop_atoms.net_wm_action_change_desktop;
260 supported[i++] = prop_atoms.net_wm_action_close;
261 supported[i++] = prop_atoms.net_wm_state;
262 supported[i++] = prop_atoms.net_wm_state_modal;
263 supported[i++] = prop_atoms.net_wm_state_maximized_vert;
264 supported[i++] = prop_atoms.net_wm_state_maximized_horz;
265 supported[i++] = prop_atoms.net_wm_state_shaded;
266 supported[i++] = prop_atoms.net_wm_state_skip_taskbar;
267 supported[i++] = prop_atoms.net_wm_state_skip_pager;
268 supported[i++] = prop_atoms.net_wm_state_hidden;
269 supported[i++] = prop_atoms.net_wm_state_fullscreen;
270 supported[i++] = prop_atoms.net_wm_state_above;
271 supported[i++] = prop_atoms.net_wm_state_below;
272 supported[i++] = prop_atoms.net_wm_state_demands_attention;
273 supported[i++] = prop_atoms.net_moveresize_window;
274 supported[i++] = prop_atoms.net_wm_moveresize;
275 supported[i++] = prop_atoms.net_wm_user_time;
276 supported[i++] = prop_atoms.net_frame_extents;
277 supported[i++] = prop_atoms.net_startup_id;
279 supported[i++] = prop_atoms.net_wm_sync_request;
280 supported[i++] = prop_atoms.net_wm_sync_request_counter;
283 supported[i++] = prop_atoms.kde_wm_change_state;
284 supported[i++] = prop_atoms.kde_net_wm_frame_strut;
285 supported[i++] = prop_atoms.kde_net_wm_window_type_override;
287 supported[i++] = prop_atoms.openbox_wm_state_undecorated;
288 supported[i++] = prop_atoms.openbox_pid;
289 supported[i++] = prop_atoms.openbox_config;
290 supported[i++] = prop_atoms.openbox_control;
291 g_assert(i == num_support);
293 PROP_SETA32(RootWindow(ob_display, ob_screen),
294 net_supported, atom, supported, num_support);
300 void screen_startup(gboolean reconfig)
306 /* get the initial size */
309 desktop_cycle_popup = pager_popup_new(FALSE);
310 pager_popup_height(desktop_cycle_popup, POPUP_HEIGHT);
314 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
315 net_desktop_names, utf8, &screen_desktop_names))
316 for (i = 0; screen_desktop_names[i]; ++i);
320 for (it = g_slist_nth(config_desktops_names, i); it;
321 it = g_slist_next(it), ++i)
323 screen_desktop_names = g_renew(gchar*, screen_desktop_names, i + 2);
324 screen_desktop_names[i] = g_strdup(it->data);
325 screen_desktop_names[i+1] = NULL;
327 /* then set the names */
328 PROP_SETSS(RootWindow(ob_display, ob_screen),
329 net_desktop_names, screen_desktop_names);
330 g_strfreev(screen_desktop_names);
331 screen_desktop_names = NULL;
334 screen_num_desktops = 0;
335 screen_set_num_desktops(config_desktops_num);
338 /* start on the current desktop when a wm was already running */
339 if (PROP_GET32(RootWindow(ob_display, ob_screen),
340 net_current_desktop, cardinal, &d) &&
341 d < screen_num_desktops)
343 screen_set_desktop(d, FALSE);
344 } else if (session_desktop >= 0)
345 screen_set_desktop(MIN((guint)session_desktop,
346 screen_num_desktops), FALSE);
348 screen_set_desktop(MIN(config_screen_firstdesk,
349 screen_num_desktops) - 1, FALSE);
351 /* don't start in showing-desktop mode */
352 screen_showing_desktop = FALSE;
353 PROP_SET32(RootWindow(ob_display, ob_screen),
354 net_showing_desktop, cardinal, screen_showing_desktop);
356 screen_update_layout();
360 void screen_shutdown(gboolean reconfig)
364 pager_popup_free(desktop_cycle_popup);
367 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
370 /* we're not running here no more! */
371 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
373 PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
374 /* don't keep this mode */
375 PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
377 XDestroyWindow(ob_display, screen_support_win);
380 g_strfreev(screen_desktop_names);
381 screen_desktop_names = NULL;
382 for (r = area; *r; ++r)
390 static gint oldw = 0, oldh = 0;
395 w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
396 h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
398 if (w == oldw && h == oldh) return;
402 /* Set the _NET_DESKTOP_GEOMETRY hint */
403 screen_physical_size.width = geometry[0] = w;
404 screen_physical_size.height = geometry[1] = h;
405 PROP_SETA32(RootWindow(ob_display, ob_screen),
406 net_desktop_geometry, cardinal, geometry, 2);
408 if (ob_state() == OB_STATE_STARTING)
411 screen_update_areas();
414 for (it = client_list; it; it = g_list_next(it))
415 client_move_onscreen(it->data, FALSE);
418 void screen_set_num_desktops(guint num)
426 if (screen_num_desktops == num) return;
428 old = screen_num_desktops;
429 screen_num_desktops = num;
430 PROP_SET32(RootWindow(ob_display, ob_screen),
431 net_number_of_desktops, cardinal, num);
433 /* set the viewport hint */
434 viewport = g_new0(gulong, num * 2);
435 PROP_SETA32(RootWindow(ob_display, ob_screen),
436 net_desktop_viewport, cardinal, viewport, num * 2);
439 /* the number of rows/columns will differ */
440 screen_update_layout();
442 /* move windows on desktops that will no longer exist! */
443 for (it = client_list; it; it = g_list_next(it)) {
444 ObClient *c = it->data;
445 if (c->desktop >= num && c->desktop != DESKTOP_ALL)
446 client_set_desktop(c, num - 1, FALSE);
449 /* change our struts/area to match (after moving windows) */
450 screen_update_areas();
452 /* may be some unnamed desktops that we need to fill in with names
453 (after updating the areas so the popup can resize) */
454 screen_update_desktop_names();
456 /* change our desktop if we're on one that no longer exists! */
457 if (screen_desktop >= screen_num_desktops)
458 screen_set_desktop(num - 1, TRUE);
461 void screen_set_desktop(guint num, gboolean dofocus)
467 g_assert(num < screen_num_desktops);
469 old = screen_desktop;
470 screen_desktop = num;
471 PROP_SET32(RootWindow(ob_display, ob_screen),
472 net_current_desktop, cardinal, num);
474 if (old == num) return;
476 screen_last_desktop = old;
478 ob_debug("Moving to desktop %d\n", num+1);
480 if (moveresize_client)
481 client_set_desktop(moveresize_client, num, TRUE);
483 /* show windows before hiding the rest to lessen the enter/leave events */
485 /* show windows from top to bottom */
486 for (it = stacking_list; it; it = g_list_next(it)) {
487 if (WINDOW_IS_CLIENT(it->data)) {
488 ObClient *c = it->data;
493 /* hide windows from bottom to top */
494 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
495 if (WINDOW_IS_CLIENT(it->data)) {
496 ObClient *c = it->data;
501 /* have to try focus here because when you leave an empty desktop
502 there is no focus out to watch for */
503 if (dofocus && (c = focus_fallback_target(TRUE, focus_client))) {
504 /* reduce flicker by hiliting now rather than waiting for the server
506 frame_adjust_focus(c->frame, TRUE);
510 event_ignore_queued_enters();
512 if (event_curtime != CurrentTime)
513 screen_desktop_user_time = event_curtime;
516 static void get_row_col(guint d, guint *r, guint *c)
518 switch (screen_desktop_layout.orientation) {
519 case OB_ORIENTATION_HORZ:
520 switch (screen_desktop_layout.start_corner) {
521 case OB_CORNER_TOPLEFT:
522 *r = d / screen_desktop_layout.columns;
523 *c = d % screen_desktop_layout.columns;
525 case OB_CORNER_BOTTOMLEFT:
526 *r = screen_desktop_layout.rows - 1 -
527 d / screen_desktop_layout.columns;
528 *c = d % screen_desktop_layout.columns;
530 case OB_CORNER_TOPRIGHT:
531 *r = d / screen_desktop_layout.columns;
532 *c = screen_desktop_layout.columns - 1 -
533 d % screen_desktop_layout.columns;
535 case OB_CORNER_BOTTOMRIGHT:
536 *r = screen_desktop_layout.rows - 1 -
537 d / screen_desktop_layout.columns;
538 *c = screen_desktop_layout.columns - 1 -
539 d % screen_desktop_layout.columns;
543 case OB_ORIENTATION_VERT:
544 switch (screen_desktop_layout.start_corner) {
545 case OB_CORNER_TOPLEFT:
546 *r = d % screen_desktop_layout.rows;
547 *c = d / screen_desktop_layout.rows;
549 case OB_CORNER_BOTTOMLEFT:
550 *r = screen_desktop_layout.rows - 1 -
551 d % screen_desktop_layout.rows;
552 *c = d / screen_desktop_layout.rows;
554 case OB_CORNER_TOPRIGHT:
555 *r = d % screen_desktop_layout.rows;
556 *c = screen_desktop_layout.columns - 1 -
557 d / screen_desktop_layout.rows;
559 case OB_CORNER_BOTTOMRIGHT:
560 *r = screen_desktop_layout.rows - 1 -
561 d % screen_desktop_layout.rows;
562 *c = screen_desktop_layout.columns - 1 -
563 d / screen_desktop_layout.rows;
570 static guint translate_row_col(guint r, guint c)
572 switch (screen_desktop_layout.orientation) {
573 case OB_ORIENTATION_HORZ:
574 switch (screen_desktop_layout.start_corner) {
575 case OB_CORNER_TOPLEFT:
576 return r % screen_desktop_layout.rows *
577 screen_desktop_layout.columns +
578 c % screen_desktop_layout.columns;
579 case OB_CORNER_BOTTOMLEFT:
580 return (screen_desktop_layout.rows - 1 -
581 r % screen_desktop_layout.rows) *
582 screen_desktop_layout.columns +
583 c % screen_desktop_layout.columns;
584 case OB_CORNER_TOPRIGHT:
585 return r % screen_desktop_layout.rows *
586 screen_desktop_layout.columns +
587 (screen_desktop_layout.columns - 1 -
588 c % screen_desktop_layout.columns);
589 case OB_CORNER_BOTTOMRIGHT:
590 return (screen_desktop_layout.rows - 1 -
591 r % screen_desktop_layout.rows) *
592 screen_desktop_layout.columns +
593 (screen_desktop_layout.columns - 1 -
594 c % screen_desktop_layout.columns);
596 case OB_ORIENTATION_VERT:
597 switch (screen_desktop_layout.start_corner) {
598 case OB_CORNER_TOPLEFT:
599 return c % screen_desktop_layout.columns *
600 screen_desktop_layout.rows +
601 r % screen_desktop_layout.rows;
602 case OB_CORNER_BOTTOMLEFT:
603 return c % screen_desktop_layout.columns *
604 screen_desktop_layout.rows +
605 (screen_desktop_layout.rows - 1 -
606 r % screen_desktop_layout.rows);
607 case OB_CORNER_TOPRIGHT:
608 return (screen_desktop_layout.columns - 1 -
609 c % screen_desktop_layout.columns) *
610 screen_desktop_layout.rows +
611 r % screen_desktop_layout.rows;
612 case OB_CORNER_BOTTOMRIGHT:
613 return (screen_desktop_layout.columns - 1 -
614 c % screen_desktop_layout.columns) *
615 screen_desktop_layout.rows +
616 (screen_desktop_layout.rows - 1 -
617 r % screen_desktop_layout.rows);
620 g_assert_not_reached();
624 void screen_desktop_popup(guint d, gboolean show)
629 pager_popup_hide(desktop_cycle_popup);
631 a = screen_physical_area_monitor(0);
632 pager_popup_position(desktop_cycle_popup, CenterGravity,
633 a->x + a->width / 2, a->y + a->height / 2);
634 pager_popup_max_width(desktop_cycle_popup,
635 MAX(a->width/3, POPUP_WIDTH));
636 pager_popup_show(desktop_cycle_popup, screen_desktop_names[d], d);
640 guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
641 gboolean dialog, gboolean done, gboolean cancel)
643 static gboolean first = TRUE;
644 static guint origd, d;
650 } else if (done && dialog) {
655 d = origd = screen_desktop;
658 get_row_col(d, &r, &c);
662 case OB_DIRECTION_EAST:
663 if (d < screen_num_desktops - 1)
668 case OB_DIRECTION_WEST:
672 d = screen_num_desktops - 1;
676 return screen_desktop;
680 case OB_DIRECTION_EAST:
682 if (c >= screen_desktop_layout.columns) {
687 goto show_cycle_dialog;
690 d = translate_row_col(r, c);
691 if (d >= screen_num_desktops) {
696 goto show_cycle_dialog;
700 case OB_DIRECTION_WEST:
702 if (c >= screen_desktop_layout.columns) {
704 c = screen_desktop_layout.columns - 1;
707 goto show_cycle_dialog;
710 d = translate_row_col(r, c);
711 if (d >= screen_num_desktops) {
716 goto show_cycle_dialog;
720 case OB_DIRECTION_SOUTH:
722 if (r >= screen_desktop_layout.rows) {
727 goto show_cycle_dialog;
730 d = translate_row_col(r, c);
731 if (d >= screen_num_desktops) {
736 goto show_cycle_dialog;
740 case OB_DIRECTION_NORTH:
742 if (r >= screen_desktop_layout.rows) {
744 r = screen_desktop_layout.rows - 1;
747 goto show_cycle_dialog;
750 d = translate_row_col(r, c);
751 if (d >= screen_num_desktops) {
756 goto show_cycle_dialog;
762 return d = screen_desktop;
765 d = translate_row_col(r, c);
770 screen_desktop_popup(d, TRUE);
777 screen_desktop_popup(0, FALSE);
782 void screen_update_layout()
784 ObOrientation orient;
790 gboolean valid = FALSE;
792 if (PROP_GETA32(RootWindow(ob_display, ob_screen),
793 net_desktop_layout, cardinal, &data, &num)) {
794 if (num == 3 || num == 4) {
796 if (data[0] == prop_atoms.net_wm_orientation_vert)
797 orient = OB_ORIENTATION_VERT;
798 else if (data[0] == prop_atoms.net_wm_orientation_horz)
799 orient = OB_ORIENTATION_HORZ;
801 goto screen_update_layout_bail;
804 corner = OB_CORNER_TOPLEFT;
806 if (data[3] == prop_atoms.net_wm_topleft)
807 corner = OB_CORNER_TOPLEFT;
808 else if (data[3] == prop_atoms.net_wm_topright)
809 corner = OB_CORNER_TOPRIGHT;
810 else if (data[3] == prop_atoms.net_wm_bottomright)
811 corner = OB_CORNER_BOTTOMRIGHT;
812 else if (data[3] == prop_atoms.net_wm_bottomleft)
813 corner = OB_CORNER_BOTTOMLEFT;
815 goto screen_update_layout_bail;
821 /* fill in a zero rows/columns */
822 if ((cols == 0 && rows == 0)) { /* both 0's is bad data.. */
823 goto screen_update_layout_bail;
826 cols = screen_num_desktops / rows;
827 if (rows * cols < screen_num_desktops)
829 if (rows * cols >= screen_num_desktops + cols)
831 } else if (rows == 0) {
832 rows = screen_num_desktops / cols;
833 if (cols * rows < screen_num_desktops)
835 if (cols * rows >= screen_num_desktops + rows)
840 /* bounds checking */
841 if (orient == OB_ORIENTATION_HORZ) {
842 cols = MIN(screen_num_desktops, cols);
843 rows = MIN(rows, (screen_num_desktops + cols - 1) / cols);
844 cols = screen_num_desktops / rows +
845 !!(screen_num_desktops % rows);
847 rows = MIN(screen_num_desktops, rows);
848 cols = MIN(cols, (screen_num_desktops + rows - 1) / rows);
849 rows = screen_num_desktops / cols +
850 !!(screen_num_desktops % cols);
855 screen_update_layout_bail:
861 orient = OB_ORIENTATION_HORZ;
862 corner = OB_CORNER_TOPLEFT;
864 cols = screen_num_desktops;
867 screen_desktop_layout.orientation = orient;
868 screen_desktop_layout.start_corner = corner;
869 screen_desktop_layout.rows = rows;
870 screen_desktop_layout.columns = cols;
873 void screen_update_desktop_names()
877 /* empty the array */
878 g_strfreev(screen_desktop_names);
879 screen_desktop_names = NULL;
881 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
882 net_desktop_names, utf8, &screen_desktop_names))
883 for (i = 0; screen_desktop_names[i] && i < screen_num_desktops; ++i);
886 if (i < screen_num_desktops - 1) {
887 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
888 screen_num_desktops + 1);
889 screen_desktop_names[screen_num_desktops] = NULL;
890 for (; i < screen_num_desktops - 1; ++i)
891 screen_desktop_names[i] = g_strdup_printf("desktop %i", i + 1);
894 /* resize the pager for these names */
895 pager_popup_text_width_to_strings(desktop_cycle_popup,
896 screen_desktop_names,
897 screen_num_desktops);
900 void screen_show_desktop(gboolean show, gboolean restore_focus)
904 if (show == screen_showing_desktop) return; /* no change */
906 screen_showing_desktop = show;
910 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
911 if (WINDOW_IS_CLIENT(it->data)) {
912 ObClient *client = it->data;
913 client_showhide(client);
918 for (it = stacking_list; it; it = g_list_next(it)) {
919 if (WINDOW_IS_CLIENT(it->data)) {
920 ObClient *client = it->data;
921 client_showhide(client);
928 for (it = focus_order; it; it = g_list_next(it)) {
929 ObClient *c = it->data;
930 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
931 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
932 client_focus(it->data))
935 } else if (restore_focus) {
938 /* use NULL for the "old" argument because the desktop was focused
939 and we don't want to fallback to the desktop by default */
940 if ((c = focus_fallback_target(TRUE, NULL)))
944 show = !!show; /* make it boolean */
945 PROP_SET32(RootWindow(ob_display, ob_screen),
946 net_showing_desktop, cardinal, show);
949 void screen_install_colormap(ObClient *client, gboolean install)
951 if (client == NULL) {
953 XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
955 XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
957 xerror_set_ignore(TRUE);
959 if (client->colormap != None)
960 XInstallColormap(RrDisplay(ob_rr_inst), client->colormap);
962 XUninstallColormap(RrDisplay(ob_rr_inst), client->colormap);
963 xerror_set_ignore(FALSE);
968 screen_area_add_strut_left(const StrutPartial *s, const Rect *monitor_area,
969 gint edge, Strut *ret)
972 ((s->left_end <= s->left_start) ||
973 (RECT_TOP(*monitor_area) < s->left_end &&
974 RECT_BOTTOM(*monitor_area) > s->left_start)))
975 ret->left = MAX(ret->left, edge);
979 screen_area_add_strut_top(const StrutPartial *s, const Rect *monitor_area,
980 gint edge, Strut *ret)
983 ((s->top_end <= s->top_start) ||
984 (RECT_LEFT(*monitor_area) < s->top_end &&
985 RECT_RIGHT(*monitor_area) > s->top_start)))
986 ret->top = MAX(ret->top, edge);
990 screen_area_add_strut_right(const StrutPartial *s, const Rect *monitor_area,
991 gint edge, Strut *ret)
994 ((s->right_end <= s->right_start) ||
995 (RECT_TOP(*monitor_area) < s->right_end &&
996 RECT_BOTTOM(*monitor_area) > s->right_start)))
997 ret->right = MAX(ret->right, edge);
1001 screen_area_add_strut_bottom(const StrutPartial *s, const Rect *monitor_area,
1002 gint edge, Strut *ret)
1005 ((s->bottom_end <= s->bottom_start) ||
1006 (RECT_LEFT(*monitor_area) < s->bottom_end &&
1007 RECT_RIGHT(*monitor_area) > s->bottom_start)))
1008 ret->bottom = MAX(ret->bottom, edge);
1011 void screen_update_areas()
1018 g_free(monitor_area);
1019 extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
1022 for (i = 0; area[i]; ++i)
1027 area = g_new(Rect*, screen_num_desktops + 2);
1028 for (i = 0; i < screen_num_desktops + 1; ++i)
1029 area[i] = g_new0(Rect, screen_num_monitors + 1);
1032 dims = g_new(gulong, 4 * screen_num_desktops);
1034 for (i = 0; i < screen_num_desktops + 1; ++i) {
1038 struts = g_new0(Strut, screen_num_monitors);
1040 /* calc the xinerama areas */
1041 for (x = 0; x < screen_num_monitors; ++x) {
1042 area[i][x] = monitor_area[x];
1044 l = monitor_area[x].x;
1045 t = monitor_area[x].y;
1046 r = monitor_area[x].x + monitor_area[x].width - 1;
1047 b = monitor_area[x].y + monitor_area[x].height - 1;
1049 l = MIN(l, monitor_area[x].x);
1050 t = MIN(t, monitor_area[x].y);
1051 r = MAX(r, monitor_area[x].x + monitor_area[x].width - 1);
1052 b = MAX(b, monitor_area[x].y + monitor_area[x].height - 1);
1055 RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
1057 /* apply the struts */
1059 /* find the left-most xin heads, i do this in 2 loops :| */
1061 for (x = 1; x < screen_num_monitors; ++x)
1062 o = MIN(o, area[i][x].x);
1064 for (x = 0; x < screen_num_monitors; ++x) {
1065 for (it = client_list; it; it = g_list_next(it)) {
1066 ObClient *c = it->data;
1067 screen_area_add_strut_left(&c->strut,
1069 o + c->strut.left - area[i][x].x,
1072 screen_area_add_strut_left(&dock_strut,
1074 o + dock_strut.left - area[i][x].x,
1077 area[i][x].x += struts[x].left;
1078 area[i][x].width -= struts[x].left;
1081 /* find the top-most xin heads, i do this in 2 loops :| */
1083 for (x = 1; x < screen_num_monitors; ++x)
1084 o = MIN(o, area[i][x].y);
1086 for (x = 0; x < screen_num_monitors; ++x) {
1087 for (it = client_list; it; it = g_list_next(it)) {
1088 ObClient *c = it->data;
1089 screen_area_add_strut_top(&c->strut,
1091 o + c->strut.top - area[i][x].y,
1094 screen_area_add_strut_top(&dock_strut,
1096 o + dock_strut.top - area[i][x].y,
1099 area[i][x].y += struts[x].top;
1100 area[i][x].height -= struts[x].top;
1103 /* find the right-most xin heads, i do this in 2 loops :| */
1104 o = area[i][0].x + area[i][0].width - 1;
1105 for (x = 1; x < screen_num_monitors; ++x)
1106 o = MAX(o, area[i][x].x + area[i][x].width - 1);
1108 for (x = 0; x < screen_num_monitors; ++x) {
1109 for (it = client_list; it; it = g_list_next(it)) {
1110 ObClient *c = it->data;
1111 screen_area_add_strut_right(&c->strut,
1114 area[i][x].width - 1) -
1115 (o - c->strut.right),
1118 screen_area_add_strut_right(&dock_strut,
1121 area[i][x].width - 1) -
1122 (o - dock_strut.right),
1125 area[i][x].width -= struts[x].right;
1128 /* find the bottom-most xin heads, i do this in 2 loops :| */
1129 o = area[i][0].y + area[i][0].height - 1;
1130 for (x = 1; x < screen_num_monitors; ++x)
1131 o = MAX(o, area[i][x].y + area[i][x].height - 1);
1133 for (x = 0; x < screen_num_monitors; ++x) {
1134 for (it = client_list; it; it = g_list_next(it)) {
1135 ObClient *c = it->data;
1136 screen_area_add_strut_bottom(&c->strut,
1139 area[i][x].height - 1) - \
1140 (o - c->strut.bottom),
1143 screen_area_add_strut_bottom(&dock_strut,
1146 area[i][x].height - 1) - \
1147 (o - dock_strut.bottom),
1150 area[i][x].height -= struts[x].bottom;
1153 l = RECT_LEFT(area[i][0]);
1154 t = RECT_TOP(area[i][0]);
1155 r = RECT_RIGHT(area[i][0]);
1156 b = RECT_BOTTOM(area[i][0]);
1157 for (x = 1; x < screen_num_monitors; ++x) {
1158 l = MIN(l, RECT_LEFT(area[i][x]));
1159 t = MIN(l, RECT_TOP(area[i][x]));
1160 r = MAX(r, RECT_RIGHT(area[i][x]));
1161 b = MAX(b, RECT_BOTTOM(area[i][x]));
1163 RECT_SET(area[i][screen_num_monitors], l, t,
1164 r - l + 1, b - t + 1);
1166 /* XXX optimize when this is run? */
1168 /* the area has changed, adjust all the maximized
1170 for (it = client_list; it; it = g_list_next(it)) {
1171 ObClient *c = it->data;
1172 if (i < screen_num_desktops) {
1173 if (c->desktop == i)
1174 client_reconfigure(c);
1175 } else if (c->desktop == DESKTOP_ALL)
1176 client_reconfigure(c);
1178 if (i < screen_num_desktops) {
1179 /* don't set these for the 'all desktops' area */
1180 dims[(i * 4) + 0] = area[i][screen_num_monitors].x;
1181 dims[(i * 4) + 1] = area[i][screen_num_monitors].y;
1182 dims[(i * 4) + 2] = area[i][screen_num_monitors].width;
1183 dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
1189 PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
1190 dims, 4 * screen_num_desktops);
1195 Rect *screen_area(guint desktop)
1197 return screen_area_monitor(desktop, screen_num_monitors);
1200 Rect *screen_area_monitor(guint desktop, guint head)
1202 if (head > screen_num_monitors)
1204 if (desktop >= screen_num_desktops) {
1205 if (desktop == DESKTOP_ALL)
1206 return &area[screen_num_desktops][head];
1209 return &area[desktop][head];
1212 guint screen_find_monitor(Rect *search)
1218 for (i = 0; i < screen_num_monitors; ++i) {
1219 Rect *area = screen_physical_area_monitor(i);
1220 if (RECT_INTERSECTS_RECT(*area, *search)) {
1224 RECT_SET_INTERSECTION(r, *area, *search);
1225 v = r.width * r.height;
1236 Rect *screen_physical_area()
1238 return screen_physical_area_monitor(screen_num_monitors);
1241 Rect *screen_physical_area_monitor(guint head)
1243 if (head > screen_num_monitors)
1245 return &monitor_area[head];
1248 void screen_set_root_cursor()
1250 if (sn_app_starting())
1251 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1252 ob_cursor(OB_CURSOR_BUSY));
1254 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1255 ob_cursor(OB_CURSOR_POINTER));
1258 gboolean screen_pointer_pos(gint *x, gint *y)
1264 return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
1265 &w, &w, x, y, &i, &i, &u);