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some changes to focus handling.
[chaz/openbox] / openbox / screen.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3 screen.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003-2007 Dana Jansens
6
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.
11
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.
16
17 See the COPYING file for a copy of the GNU General Public License.
18 */
19
20 #include "debug.h"
21 #include "openbox.h"
22 #include "dock.h"
23 #include "xerror.h"
24 #include "prop.h"
25 #include "grab.h"
26 #include "startupnotify.h"
27 #include "moveresize.h"
28 #include "config.h"
29 #include "screen.h"
30 #include "client.h"
31 #include "session.h"
32 #include "frame.h"
33 #include "event.h"
34 #include "focus.h"
35 #include "popup.h"
36 #include "extensions.h"
37 #include "render/render.h"
38 #include "gettext.h"
39
40 #include <X11/Xlib.h>
41 #ifdef HAVE_UNISTD_H
42 # include <sys/types.h>
43 # include <unistd.h>
44 #endif
45 #include <assert.h>
46
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)
52
53 guint screen_num_desktops;
54 guint screen_num_monitors;
55 guint screen_desktop;
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;
63
64 static Rect **area; /* array of desktop holding array of xinerama areas */
65 static Rect *monitor_area;
66
67 static ObPagerPopup *desktop_cycle_popup;
68
69 static gboolean replace_wm()
70 {
71 gchar *wm_sn;
72 Atom wm_sn_atom;
73 Window current_wm_sn_owner;
74 Time timestamp;
75
76 wm_sn = g_strdup_printf("WM_S%d", ob_screen);
77 wm_sn_atom = XInternAtom(ob_display, wm_sn, FALSE);
78 g_free(wm_sn);
79
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) {
84 if (!ob_replace_wm) {
85 g_message(_("A window manager is already running on screen %d"),
86 ob_screen);
87 return FALSE;
88 }
89 xerror_set_ignore(TRUE);
90 xerror_occured = FALSE;
91
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);
95
96 xerror_set_ignore(FALSE);
97 if (xerror_occured)
98 current_wm_sn_owner = None;
99 }
100
101 {
102 /* Generate a timestamp */
103 XEvent event;
104
105 XSelectInput(ob_display, screen_support_win, PropertyChangeMask);
106
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);
112
113 XSelectInput(ob_display, screen_support_win, NoEventMask);
114
115 timestamp = event.xproperty.time;
116 }
117
118 XSetSelectionOwner(ob_display, wm_sn_atom, screen_support_win,
119 timestamp);
120
121 if (XGetSelectionOwner(ob_display, wm_sn_atom) != screen_support_win) {
122 g_message(_("Could not acquire window manager selection on screen %d"),
123 ob_screen);
124 return FALSE;
125 }
126
127 /* Wait for old window manager to go away */
128 if (current_wm_sn_owner) {
129 XEvent event;
130 gulong wait = 0;
131 const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
132
133 while (wait < timeout) {
134 if (XCheckWindowEvent(ob_display, current_wm_sn_owner,
135 StructureNotifyMask, &event) &&
136 event.type == DestroyNotify)
137 break;
138 g_usleep(G_USEC_PER_SEC / 10);
139 wait += G_USEC_PER_SEC / 10;
140 }
141
142 if (wait >= timeout) {
143 g_message(_("The WM on screen %d is not exiting"), ob_screen);
144 return FALSE;
145 }
146 }
147
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);
152
153 return TRUE;
154 }
155
156 gboolean screen_annex(const gchar *program_name)
157 {
158 XSetWindowAttributes attrib;
159 pid_t pid;
160 gint i, num_support;
161 Atom *prop_atoms_start, *wm_supported_pos;
162 gulong *supported;
163
164 /* create the netwm support window */
165 attrib.override_redirect = TRUE;
166 screen_support_win = XCreateWindow(ob_display,
167 RootWindow(ob_display, ob_screen),
168 -100, -100, 1, 1, 0,
169 CopyFromParent, InputOutput,
170 CopyFromParent,
171 CWOverrideRedirect, &attrib);
172 XMapWindow(ob_display, screen_support_win);
173 XLowerWindow(ob_display, screen_support_win);
174
175 if (!replace_wm()) {
176 XDestroyWindow(ob_display, screen_support_win);
177 return FALSE;
178 }
179
180 xerror_set_ignore(TRUE);
181 xerror_occured = FALSE;
182 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
183 ROOT_EVENTMASK);
184 xerror_set_ignore(FALSE);
185 if (xerror_occured) {
186 g_message(_("A window manager is already running on screen %d"),
187 ob_screen);
188
189 XDestroyWindow(ob_display, screen_support_win);
190 return FALSE;
191 }
192
193
194 screen_set_root_cursor();
195
196 /* set the OPENBOX_PID hint */
197 pid = getpid();
198 PROP_SET32(RootWindow(ob_display, ob_screen),
199 openbox_pid, cardinal, pid);
200
201 /* set supporting window */
202 PROP_SET32(RootWindow(ob_display, ob_screen),
203 net_supporting_wm_check, window, screen_support_win);
204
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);
209
210 /* set the _NET_SUPPORTED_ATOMS hint */
211
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;
217 i = 0;
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_wm_user_time_window;
277 supported[i++] = prop_atoms.net_frame_extents;
278 supported[i++] = prop_atoms.net_request_frame_extents;
279 supported[i++] = prop_atoms.net_restack_window;
280 supported[i++] = prop_atoms.net_startup_id;
281 #ifdef SYNC
282 supported[i++] = prop_atoms.net_wm_sync_request;
283 supported[i++] = prop_atoms.net_wm_sync_request_counter;
284 #endif
285
286 supported[i++] = prop_atoms.kde_wm_change_state;
287 supported[i++] = prop_atoms.kde_net_wm_frame_strut;
288 supported[i++] = prop_atoms.kde_net_wm_window_type_override;
289
290 supported[i++] = prop_atoms.openbox_wm_state_undecorated;
291 supported[i++] = prop_atoms.openbox_pid;
292 supported[i++] = prop_atoms.openbox_config;
293 supported[i++] = prop_atoms.openbox_control;
294 g_assert(i == num_support);
295
296 PROP_SETA32(RootWindow(ob_display, ob_screen),
297 net_supported, atom, supported, num_support);
298 g_free(supported);
299
300 return TRUE;
301 }
302
303 void screen_startup(gboolean reconfig)
304 {
305 guint i, numnames;
306 gchar **names;
307 GSList *it;
308 guint32 d;
309
310 desktop_cycle_popup = pager_popup_new(FALSE);
311 pager_popup_height(desktop_cycle_popup, POPUP_HEIGHT);
312
313 if (reconfig)
314 return;
315
316 /* get the initial size */
317 screen_resize();
318
319 /* get the desktop names */
320 numnames = g_slist_length(config_desktops_names);
321 names = g_new(gchar*, numnames + 1);
322 names[numnames] = NULL;
323 for (i = 0, it = config_desktops_names; it; ++i, it = g_slist_next(it))
324 names[i] = g_strdup(it->data);
325
326 /* set the root window property */
327 PROP_SETSS(RootWindow(ob_display, ob_screen), net_desktop_names,names);
328
329 g_strfreev(names);
330
331 /* set the number of desktops */
332 screen_num_desktops = 0;
333 screen_set_num_desktops(config_desktops_num);
334
335 /* start on the current desktop when a wm was already running */
336 if (PROP_GET32(RootWindow(ob_display, ob_screen),
337 net_current_desktop, cardinal, &d) &&
338 d < screen_num_desktops)
339 {
340 screen_set_desktop(d, FALSE);
341 } else if (session_desktop >= 0)
342 screen_set_desktop(MIN((guint)session_desktop,
343 screen_num_desktops), FALSE);
344 else
345 screen_set_desktop(MIN(config_screen_firstdesk,
346 screen_num_desktops) - 1, FALSE);
347
348 /* don't start in showing-desktop mode */
349 screen_showing_desktop = FALSE;
350 PROP_SET32(RootWindow(ob_display, ob_screen),
351 net_showing_desktop, cardinal, screen_showing_desktop);
352
353 screen_update_layout();
354 }
355
356 void screen_shutdown(gboolean reconfig)
357 {
358 Rect **r;
359
360 pager_popup_free(desktop_cycle_popup);
361
362 if (reconfig)
363 return;
364
365 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
366 NoEventMask);
367
368 /* we're not running here no more! */
369 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
370 /* not without us */
371 PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
372 /* don't keep this mode */
373 PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
374
375 XDestroyWindow(ob_display, screen_support_win);
376
377 g_strfreev(screen_desktop_names);
378 screen_desktop_names = NULL;
379
380 for (r = area; *r; ++r)
381 g_free(*r);
382 g_free(area);
383 area = NULL;
384 }
385
386 void screen_resize()
387 {
388 static gint oldw = 0, oldh = 0;
389 gint w, h;
390 GList *it;
391 gulong geometry[2];
392
393 w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
394 h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
395
396 if (w == oldw && h == oldh) return;
397
398 oldw = w; oldh = h;
399
400 /* Set the _NET_DESKTOP_GEOMETRY hint */
401 screen_physical_size.width = geometry[0] = w;
402 screen_physical_size.height = geometry[1] = h;
403 PROP_SETA32(RootWindow(ob_display, ob_screen),
404 net_desktop_geometry, cardinal, geometry, 2);
405
406 if (ob_state() == OB_STATE_STARTING)
407 return;
408
409 screen_update_areas();
410 dock_configure();
411
412 for (it = client_list; it; it = g_list_next(it))
413 client_move_onscreen(it->data, FALSE);
414 }
415
416 void screen_set_num_desktops(guint num)
417 {
418 guint old;
419 gulong *viewport;
420 GList *it;
421
422 g_assert(num > 0);
423
424 if (screen_num_desktops == num) return;
425
426 old = screen_num_desktops;
427 screen_num_desktops = num;
428 PROP_SET32(RootWindow(ob_display, ob_screen),
429 net_number_of_desktops, cardinal, num);
430
431 /* set the viewport hint */
432 viewport = g_new0(gulong, num * 2);
433 PROP_SETA32(RootWindow(ob_display, ob_screen),
434 net_desktop_viewport, cardinal, viewport, num * 2);
435 g_free(viewport);
436
437 /* the number of rows/columns will differ */
438 screen_update_layout();
439
440 /* move windows on desktops that will no longer exist! */
441 for (it = client_list; it; it = g_list_next(it)) {
442 ObClient *c = it->data;
443 if (c->desktop >= num && c->desktop != DESKTOP_ALL)
444 client_set_desktop(c, num - 1, FALSE);
445 }
446
447 /* change our struts/area to match (after moving windows) */
448 screen_update_areas();
449
450 /* may be some unnamed desktops that we need to fill in with names
451 (after updating the areas so the popup can resize) */
452 screen_update_desktop_names();
453
454 /* change our desktop if we're on one that no longer exists! */
455 if (screen_desktop >= screen_num_desktops)
456 screen_set_desktop(num - 1, TRUE);
457 }
458
459 void screen_set_desktop(guint num, gboolean dofocus)
460 {
461 ObClient *c;
462 GList *it;
463 guint old;
464
465 g_assert(num < screen_num_desktops);
466
467 old = screen_desktop;
468 screen_desktop = num;
469 PROP_SET32(RootWindow(ob_display, ob_screen),
470 net_current_desktop, cardinal, num);
471
472 if (old == num) return;
473
474 screen_last_desktop = old;
475
476 ob_debug("Moving to desktop %d\n", num+1);
477
478 if (moveresize_client)
479 client_set_desktop(moveresize_client, num, TRUE);
480
481 /* show windows before hiding the rest to lessen the enter/leave events */
482
483 /* show windows from top to bottom */
484 for (it = stacking_list; it; it = g_list_next(it)) {
485 if (WINDOW_IS_CLIENT(it->data)) {
486 ObClient *c = it->data;
487 client_show(c);
488 }
489 }
490
491 /* have to try focus here because when you leave an empty desktop
492 there is no focus out to watch for
493
494 do this before hiding the windows so if helper windows are coming
495 with us, they don't get hidden
496 */
497 if (dofocus && (c = focus_fallback(TRUE))) {
498 /* only do the flicker reducing stuff ahead of time if we are going
499 to call xsetinputfocus on the window ourselves. otherwise there is
500 no guarantee the window will actually take focus.. */
501 if (c->can_focus) {
502 /* do this here so that if you switch desktops to a window with
503 helper windows then the helper windows won't flash */
504 client_bring_helper_windows(c);
505 /* reduce flicker by hiliting now rather than waiting for the
506 server FocusIn event */
507 frame_adjust_focus(c->frame, TRUE);
508 }
509 }
510
511 /* hide windows from bottom to top */
512 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
513 if (WINDOW_IS_CLIENT(it->data)) {
514 ObClient *c = it->data;
515 client_hide(c);
516 }
517 }
518
519 event_ignore_queued_enters();
520
521 if (event_curtime != CurrentTime)
522 screen_desktop_user_time = event_curtime;
523 }
524
525 static void get_row_col(guint d, guint *r, guint *c)
526 {
527 switch (screen_desktop_layout.orientation) {
528 case OB_ORIENTATION_HORZ:
529 switch (screen_desktop_layout.start_corner) {
530 case OB_CORNER_TOPLEFT:
531 *r = d / screen_desktop_layout.columns;
532 *c = d % screen_desktop_layout.columns;
533 break;
534 case OB_CORNER_BOTTOMLEFT:
535 *r = screen_desktop_layout.rows - 1 -
536 d / screen_desktop_layout.columns;
537 *c = d % screen_desktop_layout.columns;
538 break;
539 case OB_CORNER_TOPRIGHT:
540 *r = d / screen_desktop_layout.columns;
541 *c = screen_desktop_layout.columns - 1 -
542 d % screen_desktop_layout.columns;
543 break;
544 case OB_CORNER_BOTTOMRIGHT:
545 *r = screen_desktop_layout.rows - 1 -
546 d / screen_desktop_layout.columns;
547 *c = screen_desktop_layout.columns - 1 -
548 d % screen_desktop_layout.columns;
549 break;
550 }
551 break;
552 case OB_ORIENTATION_VERT:
553 switch (screen_desktop_layout.start_corner) {
554 case OB_CORNER_TOPLEFT:
555 *r = d % screen_desktop_layout.rows;
556 *c = d / screen_desktop_layout.rows;
557 break;
558 case OB_CORNER_BOTTOMLEFT:
559 *r = screen_desktop_layout.rows - 1 -
560 d % screen_desktop_layout.rows;
561 *c = d / screen_desktop_layout.rows;
562 break;
563 case OB_CORNER_TOPRIGHT:
564 *r = d % screen_desktop_layout.rows;
565 *c = screen_desktop_layout.columns - 1 -
566 d / screen_desktop_layout.rows;
567 break;
568 case OB_CORNER_BOTTOMRIGHT:
569 *r = screen_desktop_layout.rows - 1 -
570 d % screen_desktop_layout.rows;
571 *c = screen_desktop_layout.columns - 1 -
572 d / screen_desktop_layout.rows;
573 break;
574 }
575 break;
576 }
577 }
578
579 static guint translate_row_col(guint r, guint c)
580 {
581 switch (screen_desktop_layout.orientation) {
582 case OB_ORIENTATION_HORZ:
583 switch (screen_desktop_layout.start_corner) {
584 case OB_CORNER_TOPLEFT:
585 return r % screen_desktop_layout.rows *
586 screen_desktop_layout.columns +
587 c % screen_desktop_layout.columns;
588 case OB_CORNER_BOTTOMLEFT:
589 return (screen_desktop_layout.rows - 1 -
590 r % screen_desktop_layout.rows) *
591 screen_desktop_layout.columns +
592 c % screen_desktop_layout.columns;
593 case OB_CORNER_TOPRIGHT:
594 return r % screen_desktop_layout.rows *
595 screen_desktop_layout.columns +
596 (screen_desktop_layout.columns - 1 -
597 c % screen_desktop_layout.columns);
598 case OB_CORNER_BOTTOMRIGHT:
599 return (screen_desktop_layout.rows - 1 -
600 r % screen_desktop_layout.rows) *
601 screen_desktop_layout.columns +
602 (screen_desktop_layout.columns - 1 -
603 c % screen_desktop_layout.columns);
604 }
605 case OB_ORIENTATION_VERT:
606 switch (screen_desktop_layout.start_corner) {
607 case OB_CORNER_TOPLEFT:
608 return c % screen_desktop_layout.columns *
609 screen_desktop_layout.rows +
610 r % screen_desktop_layout.rows;
611 case OB_CORNER_BOTTOMLEFT:
612 return c % screen_desktop_layout.columns *
613 screen_desktop_layout.rows +
614 (screen_desktop_layout.rows - 1 -
615 r % screen_desktop_layout.rows);
616 case OB_CORNER_TOPRIGHT:
617 return (screen_desktop_layout.columns - 1 -
618 c % screen_desktop_layout.columns) *
619 screen_desktop_layout.rows +
620 r % screen_desktop_layout.rows;
621 case OB_CORNER_BOTTOMRIGHT:
622 return (screen_desktop_layout.columns - 1 -
623 c % screen_desktop_layout.columns) *
624 screen_desktop_layout.rows +
625 (screen_desktop_layout.rows - 1 -
626 r % screen_desktop_layout.rows);
627 }
628 }
629 g_assert_not_reached();
630 return 0;
631 }
632
633 void screen_desktop_popup(guint d, gboolean show)
634 {
635 Rect *a;
636
637 if (!show) {
638 pager_popup_hide(desktop_cycle_popup);
639 } else {
640 a = screen_physical_area_monitor(0);
641 pager_popup_position(desktop_cycle_popup, CenterGravity,
642 a->x + a->width / 2, a->y + a->height / 2);
643 pager_popup_icon_size_multiplier(desktop_cycle_popup,
644 (screen_desktop_layout.columns /
645 screen_desktop_layout.rows) / 2,
646 (screen_desktop_layout.rows/
647 screen_desktop_layout.columns) / 2);
648 pager_popup_max_width(desktop_cycle_popup,
649 MAX(a->width/3, POPUP_WIDTH));
650 pager_popup_show(desktop_cycle_popup, screen_desktop_names[d], d);
651 }
652 }
653
654 guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
655 gboolean dialog, gboolean done, gboolean cancel)
656 {
657 guint r, c;
658 static guint d = (guint)-1;
659 guint ret;
660
661 if (d == (guint)-1)
662 d = screen_desktop;
663
664 if ((cancel || done) && dialog)
665 goto show_cycle_dialog;
666
667 get_row_col(d, &r, &c);
668
669 if (linear) {
670 switch (dir) {
671 case OB_DIRECTION_EAST:
672 if (d < screen_num_desktops - 1)
673 ++d;
674 else if (wrap)
675 d = 0;
676 break;
677 case OB_DIRECTION_WEST:
678 if (d > 0)
679 --d;
680 else if (wrap)
681 d = screen_num_desktops - 1;
682 break;
683 default:
684 assert(0);
685 return screen_desktop;
686 }
687 } else {
688 switch (dir) {
689 case OB_DIRECTION_EAST:
690 ++c;
691 if (c >= screen_desktop_layout.columns) {
692 if (wrap) {
693 c = 0;
694 } else {
695 d = screen_desktop;
696 goto show_cycle_dialog;
697 }
698 }
699 d = translate_row_col(r, c);
700 if (d >= screen_num_desktops) {
701 if (wrap) {
702 ++c;
703 } else {
704 d = screen_desktop;
705 goto show_cycle_dialog;
706 }
707 }
708 break;
709 case OB_DIRECTION_WEST:
710 --c;
711 if (c >= screen_desktop_layout.columns) {
712 if (wrap) {
713 c = screen_desktop_layout.columns - 1;
714 } else {
715 d = screen_desktop;
716 goto show_cycle_dialog;
717 }
718 }
719 d = translate_row_col(r, c);
720 if (d >= screen_num_desktops) {
721 if (wrap) {
722 --c;
723 } else {
724 d = screen_desktop;
725 goto show_cycle_dialog;
726 }
727 }
728 break;
729 case OB_DIRECTION_SOUTH:
730 ++r;
731 if (r >= screen_desktop_layout.rows) {
732 if (wrap) {
733 r = 0;
734 } else {
735 d = screen_desktop;
736 goto show_cycle_dialog;
737 }
738 }
739 d = translate_row_col(r, c);
740 if (d >= screen_num_desktops) {
741 if (wrap) {
742 ++r;
743 } else {
744 d = screen_desktop;
745 goto show_cycle_dialog;
746 }
747 }
748 break;
749 case OB_DIRECTION_NORTH:
750 --r;
751 if (r >= screen_desktop_layout.rows) {
752 if (wrap) {
753 r = screen_desktop_layout.rows - 1;
754 } else {
755 d = screen_desktop;
756 goto show_cycle_dialog;
757 }
758 }
759 d = translate_row_col(r, c);
760 if (d >= screen_num_desktops) {
761 if (wrap) {
762 --r;
763 } else {
764 d = screen_desktop;
765 goto show_cycle_dialog;
766 }
767 }
768 break;
769 default:
770 assert(0);
771 return d = screen_desktop;
772 }
773
774 d = translate_row_col(r, c);
775 }
776
777 show_cycle_dialog:
778 if (dialog && !cancel && !done) {
779 screen_desktop_popup(d, TRUE);
780 } else
781 screen_desktop_popup(0, FALSE);
782 ret = d;
783
784 if (!dialog || cancel || done)
785 d = (guint)-1;
786
787 return ret;
788 }
789
790 void screen_update_layout()
791 {
792 ObOrientation orient;
793 ObCorner corner;
794 guint rows;
795 guint cols;
796 guint32 *data;
797 guint num;
798 gboolean valid = FALSE;
799
800 if (PROP_GETA32(RootWindow(ob_display, ob_screen),
801 net_desktop_layout, cardinal, &data, &num)) {
802 if (num == 3 || num == 4) {
803
804 if (data[0] == prop_atoms.net_wm_orientation_vert)
805 orient = OB_ORIENTATION_VERT;
806 else if (data[0] == prop_atoms.net_wm_orientation_horz)
807 orient = OB_ORIENTATION_HORZ;
808 else
809 goto screen_update_layout_bail;
810
811 if (num < 4)
812 corner = OB_CORNER_TOPLEFT;
813 else {
814 if (data[3] == prop_atoms.net_wm_topleft)
815 corner = OB_CORNER_TOPLEFT;
816 else if (data[3] == prop_atoms.net_wm_topright)
817 corner = OB_CORNER_TOPRIGHT;
818 else if (data[3] == prop_atoms.net_wm_bottomright)
819 corner = OB_CORNER_BOTTOMRIGHT;
820 else if (data[3] == prop_atoms.net_wm_bottomleft)
821 corner = OB_CORNER_BOTTOMLEFT;
822 else
823 goto screen_update_layout_bail;
824 }
825
826 cols = data[1];
827 rows = data[2];
828
829 /* fill in a zero rows/columns */
830 if ((cols == 0 && rows == 0)) { /* both 0's is bad data.. */
831 goto screen_update_layout_bail;
832 } else {
833 if (cols == 0) {
834 cols = screen_num_desktops / rows;
835 if (rows * cols < screen_num_desktops)
836 cols++;
837 if (rows * cols >= screen_num_desktops + cols)
838 rows--;
839 } else if (rows == 0) {
840 rows = screen_num_desktops / cols;
841 if (cols * rows < screen_num_desktops)
842 rows++;
843 if (cols * rows >= screen_num_desktops + rows)
844 cols--;
845 }
846 }
847
848 /* bounds checking */
849 if (orient == OB_ORIENTATION_HORZ) {
850 cols = MIN(screen_num_desktops, cols);
851 rows = MIN(rows, (screen_num_desktops + cols - 1) / cols);
852 cols = screen_num_desktops / rows +
853 !!(screen_num_desktops % rows);
854 } else {
855 rows = MIN(screen_num_desktops, rows);
856 cols = MIN(cols, (screen_num_desktops + rows - 1) / rows);
857 rows = screen_num_desktops / cols +
858 !!(screen_num_desktops % cols);
859 }
860
861 valid = TRUE;
862 }
863 screen_update_layout_bail:
864 g_free(data);
865 }
866
867 if (!valid) {
868 /* defaults */
869 orient = OB_ORIENTATION_HORZ;
870 corner = OB_CORNER_TOPLEFT;
871 rows = 1;
872 cols = screen_num_desktops;
873 }
874
875 screen_desktop_layout.orientation = orient;
876 screen_desktop_layout.start_corner = corner;
877 screen_desktop_layout.rows = rows;
878 screen_desktop_layout.columns = cols;
879 }
880
881 void screen_update_desktop_names()
882 {
883 guint i;
884
885 /* empty the array */
886 g_strfreev(screen_desktop_names);
887 screen_desktop_names = NULL;
888
889 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
890 net_desktop_names, utf8, &screen_desktop_names))
891 for (i = 0; screen_desktop_names[i] && i < screen_num_desktops; ++i);
892 else
893 i = 0;
894 if (i < screen_num_desktops) {
895 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
896 screen_num_desktops + 1);
897 screen_desktop_names[screen_num_desktops] = NULL;
898 for (; i < screen_num_desktops; ++i)
899 screen_desktop_names[i] = g_strdup_printf("desktop %i", i + 1);
900 }
901
902 /* resize the pager for these names */
903 pager_popup_text_width_to_strings(desktop_cycle_popup,
904 screen_desktop_names,
905 screen_num_desktops);
906 }
907
908 void screen_show_desktop(gboolean show, ObClient *show_only)
909 {
910 GList *it;
911
912 if (show == screen_showing_desktop) return; /* no change */
913
914 screen_showing_desktop = show;
915
916 if (show) {
917 /* hide windows bottom to top */
918 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
919 if (WINDOW_IS_CLIENT(it->data)) {
920 ObClient *client = it->data;
921 client_showhide(client);
922 }
923 }
924 }
925 else {
926 /* restore windows top to bottom */
927 for (it = stacking_list; it; it = g_list_next(it)) {
928 if (WINDOW_IS_CLIENT(it->data)) {
929 ObClient *client = it->data;
930 if (client_should_show(client)) {
931 if (!show_only || client == show_only)
932 client_show(client);
933 else
934 client_iconify(client, TRUE, FALSE, TRUE);
935 }
936 }
937 }
938 }
939
940 if (show) {
941 /* focus the desktop */
942 for (it = focus_order; it; it = g_list_next(it)) {
943 ObClient *c = it->data;
944 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
945 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
946 client_focus(it->data))
947 break;
948 }
949 }
950 else if (!show_only) {
951 ObClient *c;
952
953 if ((c = focus_fallback(TRUE))) {
954 /* only do the flicker reducing stuff ahead of time if we are going
955 to call xsetinputfocus on the window ourselves. otherwise there
956 is no guarantee the window will actually take focus.. */
957 if (c->can_focus) {
958 /* reduce flicker by hiliting now rather than waiting for the
959 server FocusIn event */
960 frame_adjust_focus(c->frame, TRUE);
961 }
962 }
963 }
964
965 show = !!show; /* make it boolean */
966 PROP_SET32(RootWindow(ob_display, ob_screen),
967 net_showing_desktop, cardinal, show);
968 }
969
970 void screen_install_colormap(ObClient *client, gboolean install)
971 {
972 if (client == NULL) {
973 if (install)
974 XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
975 else
976 XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
977 } else {
978 xerror_set_ignore(TRUE);
979 if (install) {
980 if (client->colormap != None)
981 XInstallColormap(RrDisplay(ob_rr_inst), client->colormap);
982 } else
983 XUninstallColormap(RrDisplay(ob_rr_inst), client->colormap);
984 xerror_set_ignore(FALSE);
985 }
986 }
987
988 static inline void
989 screen_area_add_strut_left(const StrutPartial *s, const Rect *monitor_area,
990 gint edge, Strut *ret)
991 {
992 if (s->left &&
993 ((s->left_end <= s->left_start) ||
994 (RECT_TOP(*monitor_area) < s->left_end &&
995 RECT_BOTTOM(*monitor_area) > s->left_start)))
996 ret->left = MAX(ret->left, edge);
997 }
998
999 static inline void
1000 screen_area_add_strut_top(const StrutPartial *s, const Rect *monitor_area,
1001 gint edge, Strut *ret)
1002 {
1003 if (s->top &&
1004 ((s->top_end <= s->top_start) ||
1005 (RECT_LEFT(*monitor_area) < s->top_end &&
1006 RECT_RIGHT(*monitor_area) > s->top_start)))
1007 ret->top = MAX(ret->top, edge);
1008 }
1009
1010 static inline void
1011 screen_area_add_strut_right(const StrutPartial *s, const Rect *monitor_area,
1012 gint edge, Strut *ret)
1013 {
1014 if (s->right &&
1015 ((s->right_end <= s->right_start) ||
1016 (RECT_TOP(*monitor_area) < s->right_end &&
1017 RECT_BOTTOM(*monitor_area) > s->right_start)))
1018 ret->right = MAX(ret->right, edge);
1019 }
1020
1021 static inline void
1022 screen_area_add_strut_bottom(const StrutPartial *s, const Rect *monitor_area,
1023 gint edge, Strut *ret)
1024 {
1025 if (s->bottom &&
1026 ((s->bottom_end <= s->bottom_start) ||
1027 (RECT_LEFT(*monitor_area) < s->bottom_end &&
1028 RECT_RIGHT(*monitor_area) > s->bottom_start)))
1029 ret->bottom = MAX(ret->bottom, edge);
1030 }
1031
1032 void screen_update_areas()
1033 {
1034 guint i, x;
1035 gulong *dims;
1036 GList *it;
1037 gint o;
1038
1039 g_free(monitor_area);
1040 extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
1041
1042 if (area) {
1043 for (i = 0; area[i]; ++i)
1044 g_free(area[i]);
1045 g_free(area);
1046 }
1047
1048 area = g_new(Rect*, screen_num_desktops + 2);
1049 for (i = 0; i < screen_num_desktops + 1; ++i)
1050 area[i] = g_new0(Rect, screen_num_monitors + 1);
1051 area[i] = NULL;
1052
1053 dims = g_new(gulong, 4 * screen_num_desktops);
1054
1055 for (i = 0; i < screen_num_desktops + 1; ++i) {
1056 Strut *struts;
1057 gint l, r, t, b;
1058
1059 struts = g_new0(Strut, screen_num_monitors);
1060
1061 /* calc the xinerama areas */
1062 for (x = 0; x < screen_num_monitors; ++x) {
1063 area[i][x] = monitor_area[x];
1064 if (x == 0) {
1065 l = monitor_area[x].x;
1066 t = monitor_area[x].y;
1067 r = monitor_area[x].x + monitor_area[x].width - 1;
1068 b = monitor_area[x].y + monitor_area[x].height - 1;
1069 } else {
1070 l = MIN(l, monitor_area[x].x);
1071 t = MIN(t, monitor_area[x].y);
1072 r = MAX(r, monitor_area[x].x + monitor_area[x].width - 1);
1073 b = MAX(b, monitor_area[x].y + monitor_area[x].height - 1);
1074 }
1075 }
1076 RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
1077
1078 /* apply the struts */
1079
1080 /* find the left-most xin heads, i do this in 2 loops :| */
1081 o = area[i][0].x;
1082 for (x = 1; x < screen_num_monitors; ++x)
1083 o = MIN(o, area[i][x].x);
1084
1085 for (x = 0; x < screen_num_monitors; ++x) {
1086 for (it = client_list; it; it = g_list_next(it)) {
1087 ObClient *c = it->data;
1088 screen_area_add_strut_left(&c->strut,
1089 &monitor_area[x],
1090 o + c->strut.left - area[i][x].x,
1091 &struts[x]);
1092 }
1093 screen_area_add_strut_left(&dock_strut,
1094 &monitor_area[x],
1095 o + dock_strut.left - area[i][x].x,
1096 &struts[x]);
1097
1098 area[i][x].x += struts[x].left;
1099 area[i][x].width -= struts[x].left;
1100 }
1101
1102 /* find the top-most xin heads, i do this in 2 loops :| */
1103 o = area[i][0].y;
1104 for (x = 1; x < screen_num_monitors; ++x)
1105 o = MIN(o, area[i][x].y);
1106
1107 for (x = 0; x < screen_num_monitors; ++x) {
1108 for (it = client_list; it; it = g_list_next(it)) {
1109 ObClient *c = it->data;
1110 screen_area_add_strut_top(&c->strut,
1111 &monitor_area[x],
1112 o + c->strut.top - area[i][x].y,
1113 &struts[x]);
1114 }
1115 screen_area_add_strut_top(&dock_strut,
1116 &monitor_area[x],
1117 o + dock_strut.top - area[i][x].y,
1118 &struts[x]);
1119
1120 area[i][x].y += struts[x].top;
1121 area[i][x].height -= struts[x].top;
1122 }
1123
1124 /* find the right-most xin heads, i do this in 2 loops :| */
1125 o = area[i][0].x + area[i][0].width - 1;
1126 for (x = 1; x < screen_num_monitors; ++x)
1127 o = MAX(o, area[i][x].x + area[i][x].width - 1);
1128
1129 for (x = 0; x < screen_num_monitors; ++x) {
1130 for (it = client_list; it; it = g_list_next(it)) {
1131 ObClient *c = it->data;
1132 screen_area_add_strut_right(&c->strut,
1133 &monitor_area[x],
1134 (area[i][x].x +
1135 area[i][x].width - 1) -
1136 (o - c->strut.right),
1137 &struts[x]);
1138 }
1139 screen_area_add_strut_right(&dock_strut,
1140 &monitor_area[x],
1141 (area[i][x].x +
1142 area[i][x].width - 1) -
1143 (o - dock_strut.right),
1144 &struts[x]);
1145
1146 area[i][x].width -= struts[x].right;
1147 }
1148
1149 /* find the bottom-most xin heads, i do this in 2 loops :| */
1150 o = area[i][0].y + area[i][0].height - 1;
1151 for (x = 1; x < screen_num_monitors; ++x)
1152 o = MAX(o, area[i][x].y + area[i][x].height - 1);
1153
1154 for (x = 0; x < screen_num_monitors; ++x) {
1155 for (it = client_list; it; it = g_list_next(it)) {
1156 ObClient *c = it->data;
1157 screen_area_add_strut_bottom(&c->strut,
1158 &monitor_area[x],
1159 (area[i][x].y +
1160 area[i][x].height - 1) - \
1161 (o - c->strut.bottom),
1162 &struts[x]);
1163 }
1164 screen_area_add_strut_bottom(&dock_strut,
1165 &monitor_area[x],
1166 (area[i][x].y +
1167 area[i][x].height - 1) - \
1168 (o - dock_strut.bottom),
1169 &struts[x]);
1170
1171 area[i][x].height -= struts[x].bottom;
1172 }
1173
1174 l = RECT_LEFT(area[i][0]);
1175 t = RECT_TOP(area[i][0]);
1176 r = RECT_RIGHT(area[i][0]);
1177 b = RECT_BOTTOM(area[i][0]);
1178 for (x = 1; x < screen_num_monitors; ++x) {
1179 l = MIN(l, RECT_LEFT(area[i][x]));
1180 t = MIN(l, RECT_TOP(area[i][x]));
1181 r = MAX(r, RECT_RIGHT(area[i][x]));
1182 b = MAX(b, RECT_BOTTOM(area[i][x]));
1183 }
1184 RECT_SET(area[i][screen_num_monitors], l, t,
1185 r - l + 1, b - t + 1);
1186
1187 /* XXX optimize when this is run? */
1188
1189 /* the area has changed, adjust all the maximized
1190 windows */
1191 for (it = client_list; it; it = g_list_next(it)) {
1192 ObClient *c = it->data;
1193 if (i < screen_num_desktops) {
1194 if (c->desktop == i)
1195 client_reconfigure(c);
1196 } else if (c->desktop == DESKTOP_ALL)
1197 client_reconfigure(c);
1198 }
1199 if (i < screen_num_desktops) {
1200 /* don't set these for the 'all desktops' area */
1201 dims[(i * 4) + 0] = area[i][screen_num_monitors].x;
1202 dims[(i * 4) + 1] = area[i][screen_num_monitors].y;
1203 dims[(i * 4) + 2] = area[i][screen_num_monitors].width;
1204 dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
1205 }
1206
1207 g_free(struts);
1208 }
1209
1210 PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
1211 dims, 4 * screen_num_desktops);
1212
1213 g_free(dims);
1214 }
1215
1216 Rect *screen_area(guint desktop)
1217 {
1218 return screen_area_monitor(desktop, screen_num_monitors);
1219 }
1220
1221 Rect *screen_area_monitor(guint desktop, guint head)
1222 {
1223 if (head > screen_num_monitors)
1224 return NULL;
1225 if (desktop >= screen_num_desktops) {
1226 if (desktop == DESKTOP_ALL)
1227 return &area[screen_num_desktops][head];
1228 return NULL;
1229 }
1230 return &area[desktop][head];
1231 }
1232
1233 guint screen_find_monitor(Rect *search)
1234 {
1235 guint i;
1236 guint most = 0;
1237 guint mostv = 0;
1238
1239 for (i = 0; i < screen_num_monitors; ++i) {
1240 Rect *area = screen_physical_area_monitor(i);
1241 if (RECT_INTERSECTS_RECT(*area, *search)) {
1242 Rect r;
1243 guint v;
1244
1245 RECT_SET_INTERSECTION(r, *area, *search);
1246 v = r.width * r.height;
1247
1248 if (v > mostv) {
1249 mostv = v;
1250 most = i;
1251 }
1252 }
1253 }
1254 return most;
1255 }
1256
1257 Rect *screen_physical_area()
1258 {
1259 return screen_physical_area_monitor(screen_num_monitors);
1260 }
1261
1262 Rect *screen_physical_area_monitor(guint head)
1263 {
1264 if (head > screen_num_monitors)
1265 return NULL;
1266 return &monitor_area[head];
1267 }
1268
1269 void screen_set_root_cursor()
1270 {
1271 if (sn_app_starting())
1272 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1273 ob_cursor(OB_CURSOR_BUSY));
1274 else
1275 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1276 ob_cursor(OB_CURSOR_POINTER));
1277 }
1278
1279 gboolean screen_pointer_pos(gint *x, gint *y)
1280 {
1281 Window w;
1282 gint i;
1283 guint u;
1284 gboolean ret;
1285
1286 ret = !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
1287 &w, &w, x, y, &i, &i, &u);
1288 if (!ret) {
1289 for (i = 0; i < ScreenCount(ob_display); ++i)
1290 if (i != ob_screen)
1291 if (XQueryPointer(ob_display, RootWindow(ob_display, i),
1292 &w, &w, x, y, &i, &i, &u))
1293 break;
1294 }
1295 return ret;
1296 }
my patches for the openbox window manager
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