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[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) 2003 Ben Jansens
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 See the COPYING file for a copy of the GNU General Public License.
17 */
18
19 #include "debug.h"
20 #include "openbox.h"
21 #include "dock.h"
22 #include "xerror.h"
23 #include "prop.h"
24 #include "grab.h"
25 #include "startupnotify.h"
26 #include "moveresize.h"
27 #include "config.h"
28 #include "screen.h"
29 #include "client.h"
30 #include "frame.h"
31 #include "event.h"
32 #include "focus.h"
33 #include "popup.h"
34 #include "extensions.h"
35 #include "render/render.h"
36
37 #include <X11/Xlib.h>
38 #ifdef HAVE_UNISTD_H
39 # include <sys/types.h>
40 # include <unistd.h>
41 #endif
42 #include <assert.h>
43
44 /*! The event mask to grab on the root window */
45 #define ROOT_EVENTMASK (StructureNotifyMask | PropertyChangeMask | \
46 EnterWindowMask | LeaveWindowMask | \
47 SubstructureNotifyMask | SubstructureRedirectMask | \
48 ButtonPressMask | ButtonReleaseMask | ButtonMotionMask)
49
50 guint screen_num_desktops;
51 guint screen_num_monitors;
52 guint screen_desktop;
53 guint screen_last_desktop;
54 Size screen_physical_size;
55 gboolean screen_showing_desktop;
56 DesktopLayout screen_desktop_layout;
57 char **screen_desktop_names;
58 Window screen_support_win;
59
60 static Rect **area; /* array of desktop holding array of xinerama areas */
61 static Rect *monitor_area;
62
63 static ObPagerPopup *desktop_cycle_popup;
64
65 static gboolean replace_wm()
66 {
67 char *wm_sn;
68 Atom wm_sn_atom;
69 Window current_wm_sn_owner;
70 Time timestamp;
71
72 wm_sn = g_strdup_printf("WM_S%d", ob_screen);
73 wm_sn_atom = XInternAtom(ob_display, wm_sn, FALSE);
74 g_free(wm_sn);
75
76 current_wm_sn_owner = XGetSelectionOwner(ob_display, wm_sn_atom);
77 if (current_wm_sn_owner) {
78 if (!ob_replace_wm) {
79 g_warning("A window manager is already running on screen %d",
80 ob_screen);
81 return FALSE;
82 }
83 xerror_set_ignore(TRUE);
84 xerror_occured = FALSE;
85
86 /* We want to find out when the current selection owner dies */
87 XSelectInput(ob_display, current_wm_sn_owner, StructureNotifyMask);
88 XSync(ob_display, FALSE);
89
90 xerror_set_ignore(FALSE);
91 if (xerror_occured)
92 current_wm_sn_owner = None;
93 }
94
95 {
96 /* Generate a timestamp */
97 XEvent event;
98
99 XSelectInput(ob_display, screen_support_win, PropertyChangeMask);
100
101 XChangeProperty(ob_display, screen_support_win,
102 prop_atoms.wm_class, prop_atoms.string,
103 8, PropModeAppend, NULL, 0);
104 XWindowEvent(ob_display, screen_support_win,
105 PropertyChangeMask, &event);
106
107 XSelectInput(ob_display, screen_support_win, NoEventMask);
108
109 timestamp = event.xproperty.time;
110 }
111
112 XSetSelectionOwner(ob_display, wm_sn_atom, screen_support_win,
113 timestamp);
114
115 if (XGetSelectionOwner(ob_display, wm_sn_atom) != screen_support_win) {
116 g_warning("Could not acquire window manager selection on screen %d",
117 ob_screen);
118 return FALSE;
119 }
120
121 /* Wait for old window manager to go away */
122 if (current_wm_sn_owner) {
123 XEvent event;
124 gulong wait = 0;
125 const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
126
127 while (wait < timeout) {
128 if (XCheckWindowEvent(ob_display, current_wm_sn_owner,
129 StructureNotifyMask, &event) &&
130 event.type == DestroyNotify)
131 break;
132 g_usleep(G_USEC_PER_SEC / 10);
133 wait += G_USEC_PER_SEC / 10;
134 }
135
136 if (wait >= timeout) {
137 g_warning("Timeout expired while waiting for the current WM to die "
138 "on screen %d", ob_screen);
139 return FALSE;
140 }
141 }
142
143 /* Send client message indicating that we are now the WM */
144 prop_message(RootWindow(ob_display, ob_screen), prop_atoms.manager,
145 timestamp, wm_sn_atom, 0, 0, SubstructureNotifyMask);
146
147
148 return TRUE;
149 }
150
151 gboolean screen_annex()
152 {
153 XSetWindowAttributes attrib;
154 pid_t pid;
155 gint i, num_support;
156 guint32 *supported;
157
158 /* create the netwm support window */
159 attrib.override_redirect = TRUE;
160 screen_support_win = XCreateWindow(ob_display,
161 RootWindow(ob_display, ob_screen),
162 -100, -100, 1, 1, 0,
163 CopyFromParent, InputOutput,
164 CopyFromParent,
165 CWOverrideRedirect, &attrib);
166 XMapRaised(ob_display, screen_support_win);
167
168 if (!replace_wm()) {
169 XDestroyWindow(ob_display, screen_support_win);
170 return FALSE;
171 }
172
173 xerror_set_ignore(TRUE);
174 xerror_occured = FALSE;
175 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
176 ROOT_EVENTMASK);
177 xerror_set_ignore(FALSE);
178 if (xerror_occured) {
179 g_warning("A window manager is already running on screen %d",
180 ob_screen);
181
182 XDestroyWindow(ob_display, screen_support_win);
183 return FALSE;
184 }
185
186
187 screen_set_root_cursor();
188
189 /* set the OPENBOX_PID hint */
190 pid = getpid();
191 PROP_SET32(RootWindow(ob_display, ob_screen),
192 openbox_pid, cardinal, pid);
193
194 /* set supporting window */
195 PROP_SET32(RootWindow(ob_display, ob_screen),
196 net_supporting_wm_check, window, screen_support_win);
197
198 /* set properties on the supporting window */
199 PROP_SETS(screen_support_win, net_wm_name, "Openbox");
200 PROP_SET32(screen_support_win, net_supporting_wm_check,
201 window, screen_support_win);
202
203 /* set the _NET_SUPPORTED_ATOMS hint */
204 num_support = 51;
205 i = 0;
206 supported = g_new(guint32, num_support);
207 supported[i++] = prop_atoms.net_current_desktop;
208 supported[i++] = prop_atoms.net_number_of_desktops;
209 supported[i++] = prop_atoms.net_desktop_geometry;
210 supported[i++] = prop_atoms.net_desktop_viewport;
211 supported[i++] = prop_atoms.net_active_window;
212 supported[i++] = prop_atoms.net_workarea;
213 supported[i++] = prop_atoms.net_client_list;
214 supported[i++] = prop_atoms.net_client_list_stacking;
215 supported[i++] = prop_atoms.net_desktop_names;
216 supported[i++] = prop_atoms.net_close_window;
217 supported[i++] = prop_atoms.net_desktop_layout;
218 supported[i++] = prop_atoms.net_showing_desktop;
219 supported[i++] = prop_atoms.net_wm_name;
220 supported[i++] = prop_atoms.net_wm_visible_name;
221 supported[i++] = prop_atoms.net_wm_icon_name;
222 supported[i++] = prop_atoms.net_wm_visible_icon_name;
223 supported[i++] = prop_atoms.net_wm_desktop;
224 supported[i++] = prop_atoms.net_wm_strut;
225 supported[i++] = prop_atoms.net_wm_window_type;
226 supported[i++] = prop_atoms.net_wm_window_type_desktop;
227 supported[i++] = prop_atoms.net_wm_window_type_dock;
228 supported[i++] = prop_atoms.net_wm_window_type_toolbar;
229 supported[i++] = prop_atoms.net_wm_window_type_menu;
230 supported[i++] = prop_atoms.net_wm_window_type_utility;
231 supported[i++] = prop_atoms.net_wm_window_type_splash;
232 supported[i++] = prop_atoms.net_wm_window_type_dialog;
233 supported[i++] = prop_atoms.net_wm_window_type_normal;
234 supported[i++] = prop_atoms.net_wm_allowed_actions;
235 supported[i++] = prop_atoms.net_wm_action_move;
236 supported[i++] = prop_atoms.net_wm_action_resize;
237 supported[i++] = prop_atoms.net_wm_action_minimize;
238 supported[i++] = prop_atoms.net_wm_action_shade;
239 supported[i++] = prop_atoms.net_wm_action_maximize_horz;
240 supported[i++] = prop_atoms.net_wm_action_maximize_vert;
241 supported[i++] = prop_atoms.net_wm_action_fullscreen;
242 supported[i++] = prop_atoms.net_wm_action_change_desktop;
243 supported[i++] = prop_atoms.net_wm_action_close;
244 supported[i++] = prop_atoms.net_wm_state;
245 supported[i++] = prop_atoms.net_wm_state_modal;
246 supported[i++] = prop_atoms.net_wm_state_maximized_vert;
247 supported[i++] = prop_atoms.net_wm_state_maximized_horz;
248 supported[i++] = prop_atoms.net_wm_state_shaded;
249 supported[i++] = prop_atoms.net_wm_state_skip_taskbar;
250 supported[i++] = prop_atoms.net_wm_state_skip_pager;
251 supported[i++] = prop_atoms.net_wm_state_hidden;
252 supported[i++] = prop_atoms.net_wm_state_fullscreen;
253 supported[i++] = prop_atoms.net_wm_state_above;
254 supported[i++] = prop_atoms.net_wm_state_below;
255 supported[i++] = prop_atoms.net_moveresize_window;
256 supported[i++] = prop_atoms.net_wm_moveresize;
257 supported[i++] = prop_atoms.ob_wm_state_undecorated;
258 g_assert(i == num_support);
259 /*
260 supported[] = prop_atoms.net_wm_action_stick;
261 */
262
263 PROP_SETA32(RootWindow(ob_display, ob_screen),
264 net_supported, atom, supported, num_support);
265 g_free(supported);
266
267 return TRUE;
268 }
269
270 void screen_startup(gboolean reconfig)
271 {
272 GSList *it;
273 guint i;
274
275 desktop_cycle_popup = pager_popup_new(FALSE);
276
277 if (!reconfig)
278 /* get the initial size */
279 screen_resize();
280
281 /* set the names */
282 screen_desktop_names = g_new(char*,
283 g_slist_length(config_desktops_names) + 1);
284 for (i = 0, it = config_desktops_names; it; ++i, it = it->next)
285 screen_desktop_names[i] = it->data; /* dont strdup */
286 screen_desktop_names[i] = NULL;
287 PROP_SETSS(RootWindow(ob_display, ob_screen),
288 net_desktop_names, screen_desktop_names);
289 g_free(screen_desktop_names); /* dont free the individual strings */
290 screen_desktop_names = NULL;
291
292 if (!reconfig)
293 screen_num_desktops = 0;
294 screen_set_num_desktops(config_desktops_num);
295 if (!reconfig) {
296 screen_set_desktop(0);
297
298 /* don't start in showing-desktop mode */
299 screen_showing_desktop = FALSE;
300 PROP_SET32(RootWindow(ob_display, ob_screen),
301 net_showing_desktop, cardinal, screen_showing_desktop);
302
303 screen_update_layout();
304 }
305 }
306
307 void screen_shutdown(gboolean reconfig)
308 {
309 Rect **r;
310
311 pager_popup_free(desktop_cycle_popup);
312
313 if (!reconfig) {
314 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
315 NoEventMask);
316
317 /* we're not running here no more! */
318 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
319 /* not without us */
320 PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
321 /* don't keep this mode */
322 PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
323
324 XDestroyWindow(ob_display, screen_support_win);
325 }
326
327 g_strfreev(screen_desktop_names);
328 screen_desktop_names = NULL;
329 for (r = area; *r; ++r)
330 g_free(*r);
331 g_free(area);
332 area = NULL;
333 }
334
335 void screen_resize()
336 {
337 static int oldw = 0, oldh = 0;
338 int w, h;
339 GList *it;
340 guint32 geometry[2];
341
342 w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
343 h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
344
345 if (w == oldw && h == oldh) return;
346
347 oldw = w; oldh = h;
348
349 /* Set the _NET_DESKTOP_GEOMETRY hint */
350 screen_physical_size.width = geometry[0] = w;
351 screen_physical_size.height = geometry[1] = h;
352 PROP_SETA32(RootWindow(ob_display, ob_screen),
353 net_desktop_geometry, cardinal, geometry, 2);
354
355 if (ob_state() == OB_STATE_STARTING)
356 return;
357
358 screen_update_areas();
359 dock_configure();
360
361 for (it = client_list; it; it = it->next)
362 client_move_onscreen(it->data, FALSE);
363 }
364
365 void screen_set_num_desktops(guint num)
366 {
367 guint i, old;
368 guint32 *viewport;
369 GList *it;
370
371 g_assert(num > 0);
372
373 if (screen_num_desktops == num) return;
374
375 old = screen_num_desktops;
376 screen_num_desktops = num;
377 PROP_SET32(RootWindow(ob_display, ob_screen),
378 net_number_of_desktops, cardinal, num);
379
380 /* set the viewport hint */
381 viewport = g_new0(guint32, num * 2);
382 PROP_SETA32(RootWindow(ob_display, ob_screen),
383 net_desktop_viewport, cardinal, viewport, num * 2);
384 g_free(viewport);
385
386 /* the number of rows/columns will differ */
387 screen_update_layout();
388
389 /* may be some unnamed desktops that we need to fill in with names */
390 screen_update_desktop_names();
391
392 /* move windows on desktops that will no longer exist! */
393 for (it = client_list; it != NULL; it = it->next) {
394 ObClient *c = it->data;
395 if (c->desktop >= num && c->desktop != DESKTOP_ALL)
396 client_set_desktop(c, num - 1, FALSE);
397 }
398
399 /* change our struts/area to match (after moving windows) */
400 screen_update_areas();
401
402 /* change our desktop if we're on one that no longer exists! */
403 if (screen_desktop >= screen_num_desktops)
404 screen_set_desktop(num - 1);
405
406 /* update the focus lists */
407 /* free our lists for the desktops which have disappeared */
408 for (i = num; i < old; ++i)
409 g_list_free(focus_order[i]);
410 /* realloc the array */
411 focus_order = g_renew(GList*, focus_order, num);
412 /* set the new lists to be empty */
413 for (i = old; i < num; ++i)
414 focus_order[i] = NULL;
415 }
416
417 void screen_set_desktop(guint num)
418 {
419 GList *it;
420 guint old;
421
422 g_assert(num < screen_num_desktops);
423
424 old = screen_desktop;
425 screen_desktop = num;
426 PROP_SET32(RootWindow(ob_display, ob_screen),
427 net_current_desktop, cardinal, num);
428
429 if (old == num) return;
430
431 screen_last_desktop = old;
432
433 ob_debug("Moving to desktop %d\n", num+1);
434
435 if (moveresize_client)
436 client_set_desktop(moveresize_client, num, TRUE);
437
438 /* show windows before hiding the rest to lessen the enter/leave events */
439
440 /* show windows from top to bottom */
441 for (it = stacking_list; it != NULL; it = it->next) {
442 if (WINDOW_IS_CLIENT(it->data)) {
443 ObClient *c = it->data;
444 if (!c->frame->visible && client_should_show(c))
445 frame_show(c->frame);
446 }
447 }
448
449 /* hide windows from bottom to top */
450 for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
451 if (WINDOW_IS_CLIENT(it->data)) {
452 ObClient *c = it->data;
453 if (c->frame->visible && !client_should_show(c))
454 frame_hide(c->frame);
455 }
456 }
457
458 event_ignore_queued_enters();
459
460 focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
461 }
462
463 static void get_row_col(guint d, guint *r, guint *c)
464 {
465 switch (screen_desktop_layout.orientation) {
466 case OB_ORIENTATION_HORZ:
467 switch (screen_desktop_layout.start_corner) {
468 case OB_CORNER_TOPLEFT:
469 *r = d / screen_desktop_layout.columns;
470 *c = d % screen_desktop_layout.columns;
471 break;
472 case OB_CORNER_BOTTOMLEFT:
473 *r = screen_desktop_layout.rows - 1 -
474 d / screen_desktop_layout.columns;
475 *c = d % screen_desktop_layout.columns;
476 break;
477 case OB_CORNER_TOPRIGHT:
478 *r = d / screen_desktop_layout.columns;
479 *c = screen_desktop_layout.columns - 1 -
480 d % screen_desktop_layout.columns;
481 break;
482 case OB_CORNER_BOTTOMRIGHT:
483 *r = screen_desktop_layout.rows - 1 -
484 d / screen_desktop_layout.columns;
485 *c = screen_desktop_layout.columns - 1 -
486 d % screen_desktop_layout.columns;
487 break;
488 }
489 break;
490 case OB_ORIENTATION_VERT:
491 switch (screen_desktop_layout.start_corner) {
492 case OB_CORNER_TOPLEFT:
493 *r = d % screen_desktop_layout.rows;
494 *c = d / screen_desktop_layout.rows;
495 break;
496 case OB_CORNER_BOTTOMLEFT:
497 *r = screen_desktop_layout.rows - 1 -
498 d % screen_desktop_layout.rows;
499 *c = d / screen_desktop_layout.rows;
500 break;
501 case OB_CORNER_TOPRIGHT:
502 *r = d % screen_desktop_layout.rows;
503 *c = screen_desktop_layout.columns - 1 -
504 d / screen_desktop_layout.rows;
505 break;
506 case OB_CORNER_BOTTOMRIGHT:
507 *r = screen_desktop_layout.rows - 1 -
508 d % screen_desktop_layout.rows;
509 *c = screen_desktop_layout.columns - 1 -
510 d / screen_desktop_layout.rows;
511 break;
512 }
513 break;
514 }
515 }
516
517 static guint translate_row_col(guint r, guint c)
518 {
519 switch (screen_desktop_layout.orientation) {
520 case OB_ORIENTATION_HORZ:
521 switch (screen_desktop_layout.start_corner) {
522 case OB_CORNER_TOPLEFT:
523 return r % screen_desktop_layout.rows *
524 screen_desktop_layout.columns +
525 c % screen_desktop_layout.columns;
526 case OB_CORNER_BOTTOMLEFT:
527 return (screen_desktop_layout.rows - 1 -
528 r % screen_desktop_layout.rows) *
529 screen_desktop_layout.columns +
530 c % screen_desktop_layout.columns;
531 case OB_CORNER_TOPRIGHT:
532 return r % screen_desktop_layout.rows *
533 screen_desktop_layout.columns +
534 (screen_desktop_layout.columns - 1 -
535 c % screen_desktop_layout.columns);
536 case OB_CORNER_BOTTOMRIGHT:
537 return (screen_desktop_layout.rows - 1 -
538 r % screen_desktop_layout.rows) *
539 screen_desktop_layout.columns +
540 (screen_desktop_layout.columns - 1 -
541 c % screen_desktop_layout.columns);
542 }
543 case OB_ORIENTATION_VERT:
544 switch (screen_desktop_layout.start_corner) {
545 case OB_CORNER_TOPLEFT:
546 return c % screen_desktop_layout.columns *
547 screen_desktop_layout.rows +
548 r % screen_desktop_layout.rows;
549 case OB_CORNER_BOTTOMLEFT:
550 return c % screen_desktop_layout.columns *
551 screen_desktop_layout.rows +
552 (screen_desktop_layout.rows - 1 -
553 r % screen_desktop_layout.rows);
554 case OB_CORNER_TOPRIGHT:
555 return (screen_desktop_layout.columns - 1 -
556 c % screen_desktop_layout.columns) *
557 screen_desktop_layout.rows +
558 r % screen_desktop_layout.rows;
559 case OB_CORNER_BOTTOMRIGHT:
560 return (screen_desktop_layout.columns - 1 -
561 c % screen_desktop_layout.columns) *
562 screen_desktop_layout.rows +
563 (screen_desktop_layout.rows - 1 -
564 r % screen_desktop_layout.rows);
565 }
566 }
567 g_assert_not_reached();
568 return 0;
569 }
570
571 void screen_desktop_popup(guint d, gboolean show)
572 {
573 Rect *a;
574
575 if (!show) {
576 pager_popup_hide(desktop_cycle_popup);
577 } else {
578 a = screen_physical_area_monitor(0);
579 pager_popup_position(desktop_cycle_popup, CenterGravity,
580 a->x + a->width / 2, a->y + a->height / 2);
581 /* XXX the size and the font extents need to be related on some level
582 */
583 pager_popup_size(desktop_cycle_popup, POPUP_WIDTH, POPUP_HEIGHT);
584
585 pager_popup_set_text_align(desktop_cycle_popup, RR_JUSTIFY_CENTER);
586
587 pager_popup_show(desktop_cycle_popup, screen_desktop_names[d], d);
588 }
589 }
590
591 guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
592 gboolean dialog, gboolean done, gboolean cancel)
593 {
594 static gboolean first = TRUE;
595 static gboolean lin;
596 static guint origd, d;
597 guint r, c;
598
599 if (cancel) {
600 d = origd;
601 goto done_cycle;
602 } else if (done && dialog) {
603 goto done_cycle;
604 }
605 if (first) {
606 first = FALSE;
607 lin = linear;
608 d = origd = screen_desktop;
609 }
610
611 get_row_col(d, &r, &c);
612
613 if (lin) {
614 switch (dir) {
615 case OB_DIRECTION_EAST:
616 if (d < screen_num_desktops - 1)
617 ++d;
618 else if (wrap)
619 d = 0;
620 break;
621 case OB_DIRECTION_WEST:
622 if (d > 0)
623 --d;
624 else if (wrap)
625 d = screen_num_desktops - 1;
626 break;
627 default:
628 assert(0);
629 return screen_desktop;
630 }
631 } else {
632 switch (dir) {
633 case OB_DIRECTION_EAST:
634 ++c;
635 if (c >= screen_desktop_layout.columns) {
636 if (!wrap) return d = screen_desktop;
637 c = 0;
638 }
639 d = translate_row_col(r, c);
640 if (d >= screen_num_desktops) {
641 if (!wrap) return d = screen_desktop;
642 ++c;
643 }
644 break;
645 case OB_DIRECTION_WEST:
646 --c;
647 if (c >= screen_desktop_layout.columns) {
648 if (!wrap) return d = screen_desktop;
649 c = screen_desktop_layout.columns - 1;
650 }
651 d = translate_row_col(r, c);
652 if (d >= screen_num_desktops) {
653 if (!wrap) return d = screen_desktop;
654 --c;
655 }
656 break;
657 case OB_DIRECTION_SOUTH:
658 ++r;
659 if (r >= screen_desktop_layout.rows) {
660 if (!wrap) return d = screen_desktop;
661 r = 0;
662 }
663 d = translate_row_col(r, c);
664 if (d >= screen_num_desktops) {
665 if (!wrap) return d = screen_desktop;
666 ++r;
667 }
668 break;
669 case OB_DIRECTION_NORTH:
670 --r;
671 if (r >= screen_desktop_layout.rows) {
672 if (!wrap) return d = screen_desktop;
673 r = screen_desktop_layout.rows - 1;
674 }
675 d = translate_row_col(r, c);
676 if (d >= screen_num_desktops) {
677 if (!wrap) return d = screen_desktop;
678 --r;
679 }
680 break;
681 default:
682 assert(0);
683 return d = screen_desktop;
684 }
685
686 d = translate_row_col(r, c);
687 }
688
689 if (dialog) {
690 screen_desktop_popup(d, TRUE);
691 return d;
692 }
693
694 done_cycle:
695 first = TRUE;
696
697 screen_desktop_popup(0, FALSE);
698
699 return d;
700 }
701
702 void screen_update_layout()
703 {
704 ObOrientation orient;
705 ObCorner corner;
706 guint rows;
707 guint cols;
708 guint32 *data;
709 guint num;
710 gboolean valid = FALSE;
711
712 if (PROP_GETA32(RootWindow(ob_display, ob_screen),
713 net_desktop_layout, cardinal, &data, &num)) {
714 if (num == 3 || num == 4) {
715
716 if (data[0] == prop_atoms.net_wm_orientation_vert)
717 orient = OB_ORIENTATION_VERT;
718 else if (data[0] == prop_atoms.net_wm_orientation_horz)
719 orient = OB_ORIENTATION_HORZ;
720 else
721 goto screen_update_layout_bail;
722
723 if (num < 4)
724 corner = OB_CORNER_TOPLEFT;
725 else {
726 if (data[3] == prop_atoms.net_wm_topleft)
727 corner = OB_CORNER_TOPLEFT;
728 else if (data[3] == prop_atoms.net_wm_topright)
729 corner = OB_CORNER_TOPRIGHT;
730 else if (data[3] == prop_atoms.net_wm_bottomright)
731 corner = OB_CORNER_BOTTOMRIGHT;
732 else if (data[3] == prop_atoms.net_wm_bottomleft)
733 corner = OB_CORNER_BOTTOMLEFT;
734 else
735 goto screen_update_layout_bail;
736 }
737
738 cols = data[1];
739 rows = data[2];
740
741 /* fill in a zero rows/columns */
742 if ((cols == 0 && rows == 0)) { /* both 0's is bad data.. */
743 goto screen_update_layout_bail;
744 } else {
745 if (cols == 0) {
746 cols = screen_num_desktops / rows;
747 if (rows * cols < screen_num_desktops)
748 cols++;
749 if (rows * cols >= screen_num_desktops + cols)
750 rows--;
751 } else if (rows == 0) {
752 rows = screen_num_desktops / cols;
753 if (cols * rows < screen_num_desktops)
754 rows++;
755 if (cols * rows >= screen_num_desktops + rows)
756 cols--;
757 }
758 }
759
760 /* bounds checking */
761 if (orient == OB_ORIENTATION_HORZ) {
762 cols = MIN(screen_num_desktops, cols);
763 rows = MIN(rows, (screen_num_desktops + cols - 1) / cols);
764 cols = screen_num_desktops / rows +
765 !!(screen_num_desktops % rows);
766 } else {
767 rows = MIN(screen_num_desktops, rows);
768 cols = MIN(cols, (screen_num_desktops + rows - 1) / rows);
769 rows = screen_num_desktops / cols +
770 !!(screen_num_desktops % cols);
771 }
772
773 valid = TRUE;
774 }
775 screen_update_layout_bail:
776 g_free(data);
777 }
778
779 if (!valid) {
780 /* defaults */
781 orient = OB_ORIENTATION_HORZ;
782 corner = OB_CORNER_TOPLEFT;
783 rows = 1;
784 cols = screen_num_desktops;
785 }
786
787 screen_desktop_layout.orientation = orient;
788 screen_desktop_layout.start_corner = corner;
789 screen_desktop_layout.rows = rows;
790 screen_desktop_layout.columns = cols;
791 }
792
793 void screen_update_desktop_names()
794 {
795 guint i;
796
797 /* empty the array */
798 g_strfreev(screen_desktop_names);
799 screen_desktop_names = NULL;
800
801 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
802 net_desktop_names, utf8, &screen_desktop_names))
803 for (i = 0; screen_desktop_names[i] && i <= screen_num_desktops; ++i);
804 else
805 i = 0;
806 if (i <= screen_num_desktops) {
807 screen_desktop_names = g_renew(char*, screen_desktop_names,
808 screen_num_desktops + 1);
809 screen_desktop_names[screen_num_desktops] = NULL;
810 for (; i < screen_num_desktops; ++i)
811 screen_desktop_names[i] = g_strdup("Unnamed Desktop");
812 }
813 }
814
815 void screen_show_desktop(gboolean show)
816 {
817 GList *it;
818
819 if (show == screen_showing_desktop) return; /* no change */
820
821 screen_showing_desktop = show;
822
823 if (show) {
824 /* bottom to top */
825 for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
826 if (WINDOW_IS_CLIENT(it->data)) {
827 ObClient *client = it->data;
828 if (client->frame->visible && !client_should_show(client))
829 frame_hide(client->frame);
830 }
831 }
832 } else {
833 /* top to bottom */
834 for (it = stacking_list; it != NULL; it = it->next) {
835 if (WINDOW_IS_CLIENT(it->data)) {
836 ObClient *client = it->data;
837 if (!client->frame->visible && client_should_show(client))
838 frame_show(client->frame);
839 }
840 }
841 }
842
843 if (show) {
844 /* focus desktop */
845 for (it = focus_order[screen_desktop]; it; it = it->next)
846 if (((ObClient*)it->data)->type == OB_CLIENT_TYPE_DESKTOP &&
847 client_focus(it->data))
848 break;
849 } else {
850 focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
851 }
852
853 show = !!show; /* make it boolean */
854 PROP_SET32(RootWindow(ob_display, ob_screen),
855 net_showing_desktop, cardinal, show);
856 }
857
858 void screen_install_colormap(ObClient *client, gboolean install)
859 {
860 XWindowAttributes wa;
861
862 if (client == NULL) {
863 if (install)
864 XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
865 else
866 XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
867 } else {
868 if (XGetWindowAttributes(ob_display, client->window, &wa) &&
869 wa.colormap != None) {
870 xerror_set_ignore(TRUE);
871 if (install)
872 XInstallColormap(RrDisplay(ob_rr_inst), wa.colormap);
873 else
874 XUninstallColormap(RrDisplay(ob_rr_inst), wa.colormap);
875 xerror_set_ignore(FALSE);
876 }
877 }
878 }
879
880 static inline void
881 screen_area_add_strut_left(const StrutPartial *s, const Rect *monitor_area,
882 gint edge, Strut *ret)
883 {
884 if (s->left &&
885 ((s->left_end <= s->left_start) ||
886 (RECT_TOP(*monitor_area) < s->left_end &&
887 RECT_BOTTOM(*monitor_area) > s->left_start)))
888 ret->left = MAX(ret->left, edge);
889 }
890
891 static inline void
892 screen_area_add_strut_top(const StrutPartial *s, const Rect *monitor_area,
893 gint edge, Strut *ret)
894 {
895 if (s->top &&
896 ((s->top_end <= s->top_start) ||
897 (RECT_LEFT(*monitor_area) < s->top_end &&
898 RECT_RIGHT(*monitor_area) > s->top_start)))
899 ret->top = MAX(ret->top, edge);
900 }
901
902 static inline void
903 screen_area_add_strut_right(const StrutPartial *s, const Rect *monitor_area,
904 gint edge, Strut *ret)
905 {
906 if (s->right &&
907 ((s->right_end <= s->right_start) ||
908 (RECT_TOP(*monitor_area) < s->right_end &&
909 RECT_BOTTOM(*monitor_area) > s->right_start)))
910 ret->right = MAX(ret->right, edge);
911 }
912
913 static inline void
914 screen_area_add_strut_bottom(const StrutPartial *s, const Rect *monitor_area,
915 gint edge, Strut *ret)
916 {
917 if (s->bottom &&
918 ((s->bottom_end <= s->bottom_start) ||
919 (RECT_LEFT(*monitor_area) < s->bottom_end &&
920 RECT_RIGHT(*monitor_area) > s->bottom_start)))
921 ret->bottom = MAX(ret->bottom, edge);
922 }
923
924 void screen_update_areas()
925 {
926 guint i, x;
927 guint32 *dims;
928 GList *it;
929 gint o;
930
931 g_free(monitor_area);
932 extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
933
934 if (area) {
935 for (i = 0; area[i]; ++i)
936 g_free(area[i]);
937 g_free(area);
938 }
939
940 area = g_new(Rect*, screen_num_desktops + 2);
941 for (i = 0; i < screen_num_desktops + 1; ++i)
942 area[i] = g_new0(Rect, screen_num_monitors + 1);
943 area[i] = NULL;
944
945 dims = g_new(guint32, 4 * screen_num_desktops);
946
947 for (i = 0; i < screen_num_desktops + 1; ++i) {
948 Strut *struts;
949 gint l, r, t, b;
950
951 struts = g_new0(Strut, screen_num_monitors);
952
953 /* calc the xinerama areas */
954 for (x = 0; x < screen_num_monitors; ++x) {
955 area[i][x] = monitor_area[x];
956 if (x == 0) {
957 l = monitor_area[x].x;
958 t = monitor_area[x].y;
959 r = monitor_area[x].x + monitor_area[x].width - 1;
960 b = monitor_area[x].y + monitor_area[x].height - 1;
961 } else {
962 l = MIN(l, monitor_area[x].x);
963 t = MIN(t, monitor_area[x].y);
964 r = MAX(r, monitor_area[x].x + monitor_area[x].width - 1);
965 b = MAX(b, monitor_area[x].y + monitor_area[x].height - 1);
966 }
967 }
968 RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
969
970 /* apply the struts */
971
972 /* find the left-most xin heads, i do this in 2 loops :| */
973 o = area[i][0].x;
974 for (x = 1; x < screen_num_monitors; ++x)
975 o = MIN(o, area[i][x].x);
976
977 for (x = 0; x < screen_num_monitors; ++x) {
978 for (it = client_list; it; it = it->next) {
979 ObClient *c = it->data;
980 screen_area_add_strut_left(&c->strut,
981 &monitor_area[x],
982 o + c->strut.left - area[i][x].x,
983 &struts[x]);
984 }
985 screen_area_add_strut_left(&dock_strut,
986 &monitor_area[x],
987 o + dock_strut.left - area[i][x].x,
988 &struts[x]);
989
990 area[i][x].x += struts[x].left;
991 area[i][x].width -= struts[x].left;
992 }
993
994 /* find the top-most xin heads, i do this in 2 loops :| */
995 o = area[i][0].y;
996 for (x = 1; x < screen_num_monitors; ++x)
997 o = MIN(o, area[i][x].y);
998
999 for (x = 0; x < screen_num_monitors; ++x) {
1000 for (it = client_list; it; it = it->next) {
1001 ObClient *c = it->data;
1002 screen_area_add_strut_top(&c->strut,
1003 &monitor_area[x],
1004 o + c->strut.top - area[i][x].y,
1005 &struts[x]);
1006 }
1007 screen_area_add_strut_top(&dock_strut,
1008 &monitor_area[x],
1009 o + dock_strut.top - area[i][x].y,
1010 &struts[x]);
1011
1012 area[i][x].y += struts[x].top;
1013 area[i][x].height -= struts[x].top;
1014 }
1015
1016 /* find the right-most xin heads, i do this in 2 loops :| */
1017 o = area[i][0].x + area[i][0].width - 1;
1018 for (x = 1; x < screen_num_monitors; ++x)
1019 o = MAX(o, area[i][x].x + area[i][x].width - 1);
1020
1021 for (x = 0; x < screen_num_monitors; ++x) {
1022 for (it = client_list; it; it = it->next) {
1023 ObClient *c = it->data;
1024 screen_area_add_strut_right(&c->strut,
1025 &monitor_area[x],
1026 (area[i][x].x +
1027 area[i][x].width - 1) -
1028 (o - c->strut.right),
1029 &struts[x]);
1030 }
1031 screen_area_add_strut_right(&dock_strut,
1032 &monitor_area[x],
1033 (area[i][x].x +
1034 area[i][x].width - 1) -
1035 (o - dock_strut.right),
1036 &struts[x]);
1037
1038 area[i][x].width -= struts[x].right;
1039 }
1040
1041 /* find the bottom-most xin heads, i do this in 2 loops :| */
1042 o = area[i][0].y + area[i][0].height - 1;
1043 for (x = 1; x < screen_num_monitors; ++x)
1044 o = MAX(o, area[i][x].y + area[i][x].height - 1);
1045
1046 for (x = 0; x < screen_num_monitors; ++x) {
1047 for (it = client_list; it; it = it->next) {
1048 ObClient *c = it->data;
1049 screen_area_add_strut_bottom(&c->strut,
1050 &monitor_area[x],
1051 (area[i][x].y +
1052 area[i][x].height - 1) - \
1053 (o - c->strut.bottom),
1054 &struts[x]);
1055 }
1056 screen_area_add_strut_bottom(&dock_strut,
1057 &monitor_area[x],
1058 (area[i][x].y +
1059 area[i][x].height - 1) - \
1060 (o - dock_strut.bottom),
1061 &struts[x]);
1062
1063 area[i][x].height -= struts[x].bottom;
1064 }
1065
1066 l = RECT_LEFT(area[i][0]);
1067 t = RECT_TOP(area[i][0]);
1068 r = RECT_RIGHT(area[i][0]);
1069 b = RECT_BOTTOM(area[i][0]);
1070 for (x = 1; x < screen_num_monitors; ++x) {
1071 l = MIN(l, RECT_LEFT(area[i][x]));
1072 t = MIN(l, RECT_TOP(area[i][x]));
1073 r = MAX(r, RECT_RIGHT(area[i][x]));
1074 b = MAX(b, RECT_BOTTOM(area[i][x]));
1075 }
1076 RECT_SET(area[i][screen_num_monitors], l, t,
1077 r - l + 1, b - t + 1);
1078
1079 /* XXX optimize when this is run? */
1080
1081 /* the area has changed, adjust all the maximized
1082 windows */
1083 for (it = client_list; it; it = it->next) {
1084 ObClient *c = it->data;
1085 if (i < screen_num_desktops) {
1086 if (c->desktop == i)
1087 client_reconfigure(c);
1088 } else if (c->desktop == DESKTOP_ALL)
1089 client_reconfigure(c);
1090 }
1091 if (i < screen_num_desktops) {
1092 /* don't set these for the 'all desktops' area */
1093 dims[(i * 4) + 0] = area[i][screen_num_monitors].x;
1094 dims[(i * 4) + 1] = area[i][screen_num_monitors].y;
1095 dims[(i * 4) + 2] = area[i][screen_num_monitors].width;
1096 dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
1097 }
1098
1099 g_free(struts);
1100 }
1101
1102 PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
1103 dims, 4 * screen_num_desktops);
1104
1105 g_free(dims);
1106 }
1107
1108 Rect *screen_area(guint desktop)
1109 {
1110 return screen_area_monitor(desktop, screen_num_monitors);
1111 }
1112
1113 Rect *screen_area_monitor(guint desktop, guint head)
1114 {
1115 if (head > screen_num_monitors)
1116 return NULL;
1117 if (desktop >= screen_num_desktops) {
1118 if (desktop == DESKTOP_ALL)
1119 return &area[screen_num_desktops][head];
1120 return NULL;
1121 }
1122 return &area[desktop][head];
1123 }
1124
1125 Rect *screen_physical_area()
1126 {
1127 return screen_physical_area_monitor(screen_num_monitors);
1128 }
1129
1130 Rect *screen_physical_area_monitor(guint head)
1131 {
1132 if (head > screen_num_monitors)
1133 return NULL;
1134 return &monitor_area[head];
1135 }
1136
1137 void screen_set_root_cursor()
1138 {
1139 if (sn_app_starting())
1140 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1141 ob_cursor(OB_CURSOR_BUSY));
1142 else
1143 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1144 ob_cursor(OB_CURSOR_POINTER));
1145 }
1146
1147 gboolean screen_pointer_pos(int *x, int *y)
1148 {
1149 Window w;
1150 int i;
1151 guint u;
1152
1153 return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
1154 &w, &w, x, y, &i, &i, &u);
1155 }
my patches for the openbox window manager
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