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we were always overwriting the last desktop name
[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_frame_extents;
277 supported[i++] = prop_atoms.net_startup_id;
278 #ifdef SYNC
279 supported[i++] = prop_atoms.net_wm_sync_request;
280 supported[i++] = prop_atoms.net_wm_sync_request_counter;
281 #endif
282
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;
286
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);
292
293 PROP_SETA32(RootWindow(ob_display, ob_screen),
294 net_supported, atom, supported, num_support);
295 g_free(supported);
296
297 return TRUE;
298 }
299
300 void screen_startup(gboolean reconfig)
301 {
302 GSList *it;
303 guint i;
304
305 if (!reconfig)
306 /* get the initial size */
307 screen_resize();
308
309 desktop_cycle_popup = pager_popup_new(FALSE);
310 pager_popup_height(desktop_cycle_popup, POPUP_HEIGHT);
311
312 #if 0
313 /* get the names */
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);
317 else
318 #endif
319 i = 0;
320 for (it = g_slist_nth(config_desktops_names, i); it;
321 it = g_slist_next(it), ++i)
322 {
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;
326 }
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;
332
333 if (!reconfig)
334 screen_num_desktops = 0;
335 screen_set_num_desktops(config_desktops_num);
336 if (!reconfig) {
337 guint32 d;
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)
342 {
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);
347 else
348 screen_set_desktop(MIN(config_screen_firstdesk,
349 screen_num_desktops) - 1, FALSE);
350
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);
355
356 screen_update_layout();
357 }
358 }
359
360 void screen_shutdown(gboolean reconfig)
361 {
362 Rect **r;
363
364 pager_popup_free(desktop_cycle_popup);
365
366 if (!reconfig) {
367 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
368 NoEventMask);
369
370 /* we're not running here no more! */
371 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
372 /* not without us */
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);
376
377 XDestroyWindow(ob_display, screen_support_win);
378 }
379
380 g_strfreev(screen_desktop_names);
381 screen_desktop_names = NULL;
382 for (r = area; *r; ++r)
383 g_free(*r);
384 g_free(area);
385 area = NULL;
386 }
387
388 void screen_resize()
389 {
390 static gint oldw = 0, oldh = 0;
391 gint w, h;
392 GList *it;
393 gulong geometry[2];
394
395 w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
396 h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
397
398 if (w == oldw && h == oldh) return;
399
400 oldw = w; oldh = h;
401
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);
407
408 if (ob_state() == OB_STATE_STARTING)
409 return;
410
411 screen_update_areas();
412 dock_configure();
413
414 for (it = client_list; it; it = g_list_next(it))
415 client_move_onscreen(it->data, FALSE);
416 }
417
418 void screen_set_num_desktops(guint num)
419 {
420 guint old;
421 gulong *viewport;
422 GList *it;
423
424 g_assert(num > 0);
425
426 if (screen_num_desktops == num) return;
427
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);
432
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);
437 g_free(viewport);
438
439 /* the number of rows/columns will differ */
440 screen_update_layout();
441
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);
447 }
448
449 /* change our struts/area to match (after moving windows) */
450 screen_update_areas();
451
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();
455
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);
459 }
460
461 void screen_set_desktop(guint num, gboolean dofocus)
462 {
463 ObClient *c;
464 GList *it;
465 guint old;
466
467 g_assert(num < screen_num_desktops);
468
469 old = screen_desktop;
470 screen_desktop = num;
471 PROP_SET32(RootWindow(ob_display, ob_screen),
472 net_current_desktop, cardinal, num);
473
474 if (old == num) return;
475
476 screen_last_desktop = old;
477
478 ob_debug("Moving to desktop %d\n", num+1);
479
480 if (moveresize_client)
481 client_set_desktop(moveresize_client, num, TRUE);
482
483 /* show windows before hiding the rest to lessen the enter/leave events */
484
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;
489 client_show(c);
490 }
491 }
492
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;
497 client_hide(c);
498 }
499 }
500
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
505 FocusIn event */
506 frame_adjust_focus(c->frame, TRUE);
507 client_focus(c);
508 }
509
510 event_ignore_queued_enters();
511
512 if (event_curtime != CurrentTime)
513 screen_desktop_user_time = event_curtime;
514 }
515
516 static void get_row_col(guint d, guint *r, guint *c)
517 {
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;
524 break;
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;
529 break;
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;
534 break;
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;
540 break;
541 }
542 break;
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;
548 break;
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;
553 break;
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;
558 break;
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;
564 break;
565 }
566 break;
567 }
568 }
569
570 static guint translate_row_col(guint r, guint c)
571 {
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);
595 }
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);
618 }
619 }
620 g_assert_not_reached();
621 return 0;
622 }
623
624 void screen_desktop_popup(guint d, gboolean show)
625 {
626 Rect *a;
627
628 if (!show) {
629 pager_popup_hide(desktop_cycle_popup);
630 } else {
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);
637 }
638 }
639
640 guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
641 gboolean dialog, gboolean done, gboolean cancel)
642 {
643 static gboolean first = TRUE;
644 static guint origd, d;
645 guint r, c;
646
647 if (cancel) {
648 d = origd;
649 goto done_cycle;
650 } else if (done && dialog) {
651 goto done_cycle;
652 }
653 if (first) {
654 first = FALSE;
655 d = origd = screen_desktop;
656 }
657
658 get_row_col(d, &r, &c);
659
660 if (linear) {
661 switch (dir) {
662 case OB_DIRECTION_EAST:
663 if (d < screen_num_desktops - 1)
664 ++d;
665 else if (wrap)
666 d = 0;
667 break;
668 case OB_DIRECTION_WEST:
669 if (d > 0)
670 --d;
671 else if (wrap)
672 d = screen_num_desktops - 1;
673 break;
674 default:
675 assert(0);
676 return screen_desktop;
677 }
678 } else {
679 switch (dir) {
680 case OB_DIRECTION_EAST:
681 ++c;
682 if (c >= screen_desktop_layout.columns) {
683 if (wrap) {
684 c = 0;
685 } else {
686 d = screen_desktop;
687 goto show_cycle_dialog;
688 }
689 }
690 d = translate_row_col(r, c);
691 if (d >= screen_num_desktops) {
692 if (wrap) {
693 ++c;
694 } else {
695 d = screen_desktop;
696 goto show_cycle_dialog;
697 }
698 }
699 break;
700 case OB_DIRECTION_WEST:
701 --c;
702 if (c >= screen_desktop_layout.columns) {
703 if (wrap) {
704 c = screen_desktop_layout.columns - 1;
705 } else {
706 d = screen_desktop;
707 goto show_cycle_dialog;
708 }
709 }
710 d = translate_row_col(r, c);
711 if (d >= screen_num_desktops) {
712 if (wrap) {
713 --c;
714 } else {
715 d = screen_desktop;
716 goto show_cycle_dialog;
717 }
718 }
719 break;
720 case OB_DIRECTION_SOUTH:
721 ++r;
722 if (r >= screen_desktop_layout.rows) {
723 if (wrap) {
724 r = 0;
725 } else {
726 d = screen_desktop;
727 goto show_cycle_dialog;
728 }
729 }
730 d = translate_row_col(r, c);
731 if (d >= screen_num_desktops) {
732 if (wrap) {
733 ++r;
734 } else {
735 d = screen_desktop;
736 goto show_cycle_dialog;
737 }
738 }
739 break;
740 case OB_DIRECTION_NORTH:
741 --r;
742 if (r >= screen_desktop_layout.rows) {
743 if (wrap) {
744 r = screen_desktop_layout.rows - 1;
745 } else {
746 d = screen_desktop;
747 goto show_cycle_dialog;
748 }
749 }
750 d = translate_row_col(r, c);
751 if (d >= screen_num_desktops) {
752 if (wrap) {
753 --r;
754 } else {
755 d = screen_desktop;
756 goto show_cycle_dialog;
757 }
758 }
759 break;
760 default:
761 assert(0);
762 return d = screen_desktop;
763 }
764
765 d = translate_row_col(r, c);
766 }
767
768 show_cycle_dialog:
769 if (dialog) {
770 screen_desktop_popup(d, TRUE);
771 return d;
772 }
773
774 done_cycle:
775 first = TRUE;
776
777 screen_desktop_popup(0, FALSE);
778
779 return d;
780 }
781
782 void screen_update_layout()
783 {
784 ObOrientation orient;
785 ObCorner corner;
786 guint rows;
787 guint cols;
788 guint32 *data;
789 guint num;
790 gboolean valid = FALSE;
791
792 if (PROP_GETA32(RootWindow(ob_display, ob_screen),
793 net_desktop_layout, cardinal, &data, &num)) {
794 if (num == 3 || num == 4) {
795
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;
800 else
801 goto screen_update_layout_bail;
802
803 if (num < 4)
804 corner = OB_CORNER_TOPLEFT;
805 else {
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;
814 else
815 goto screen_update_layout_bail;
816 }
817
818 cols = data[1];
819 rows = data[2];
820
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;
824 } else {
825 if (cols == 0) {
826 cols = screen_num_desktops / rows;
827 if (rows * cols < screen_num_desktops)
828 cols++;
829 if (rows * cols >= screen_num_desktops + cols)
830 rows--;
831 } else if (rows == 0) {
832 rows = screen_num_desktops / cols;
833 if (cols * rows < screen_num_desktops)
834 rows++;
835 if (cols * rows >= screen_num_desktops + rows)
836 cols--;
837 }
838 }
839
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);
846 } else {
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);
851 }
852
853 valid = TRUE;
854 }
855 screen_update_layout_bail:
856 g_free(data);
857 }
858
859 if (!valid) {
860 /* defaults */
861 orient = OB_ORIENTATION_HORZ;
862 corner = OB_CORNER_TOPLEFT;
863 rows = 1;
864 cols = screen_num_desktops;
865 }
866
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;
871 }
872
873 void screen_update_desktop_names()
874 {
875 guint i;
876
877 /* empty the array */
878 g_strfreev(screen_desktop_names);
879 screen_desktop_names = NULL;
880
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);
884 else
885 i = 0;
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);
892 }
893
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);
898 }
899
900 void screen_show_desktop(gboolean show, gboolean restore_focus)
901 {
902 GList *it;
903
904 if (show == screen_showing_desktop) return; /* no change */
905
906 screen_showing_desktop = show;
907
908 if (show) {
909 /* bottom to top */
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);
914 }
915 }
916 } else {
917 /* top to bottom */
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);
922 }
923 }
924 }
925
926 if (show) {
927 /* focus desktop */
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))
933 break;
934 }
935 } else if (restore_focus) {
936 ObClient *c;
937
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)))
941 client_focus(c);
942 }
943
944 show = !!show; /* make it boolean */
945 PROP_SET32(RootWindow(ob_display, ob_screen),
946 net_showing_desktop, cardinal, show);
947 }
948
949 void screen_install_colormap(ObClient *client, gboolean install)
950 {
951 if (client == NULL) {
952 if (install)
953 XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
954 else
955 XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
956 } else {
957 xerror_set_ignore(TRUE);
958 if (install) {
959 if (client->colormap != None)
960 XInstallColormap(RrDisplay(ob_rr_inst), client->colormap);
961 } else
962 XUninstallColormap(RrDisplay(ob_rr_inst), client->colormap);
963 xerror_set_ignore(FALSE);
964 }
965 }
966
967 static inline void
968 screen_area_add_strut_left(const StrutPartial *s, const Rect *monitor_area,
969 gint edge, Strut *ret)
970 {
971 if (s->left &&
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);
976 }
977
978 static inline void
979 screen_area_add_strut_top(const StrutPartial *s, const Rect *monitor_area,
980 gint edge, Strut *ret)
981 {
982 if (s->top &&
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);
987 }
988
989 static inline void
990 screen_area_add_strut_right(const StrutPartial *s, const Rect *monitor_area,
991 gint edge, Strut *ret)
992 {
993 if (s->right &&
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);
998 }
999
1000 static inline void
1001 screen_area_add_strut_bottom(const StrutPartial *s, const Rect *monitor_area,
1002 gint edge, Strut *ret)
1003 {
1004 if (s->bottom &&
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);
1009 }
1010
1011 void screen_update_areas()
1012 {
1013 guint i, x;
1014 gulong *dims;
1015 GList *it;
1016 gint o;
1017
1018 g_free(monitor_area);
1019 extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
1020
1021 if (area) {
1022 for (i = 0; area[i]; ++i)
1023 g_free(area[i]);
1024 g_free(area);
1025 }
1026
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);
1030 area[i] = NULL;
1031
1032 dims = g_new(gulong, 4 * screen_num_desktops);
1033
1034 for (i = 0; i < screen_num_desktops + 1; ++i) {
1035 Strut *struts;
1036 gint l, r, t, b;
1037
1038 struts = g_new0(Strut, screen_num_monitors);
1039
1040 /* calc the xinerama areas */
1041 for (x = 0; x < screen_num_monitors; ++x) {
1042 area[i][x] = monitor_area[x];
1043 if (x == 0) {
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;
1048 } else {
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);
1053 }
1054 }
1055 RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
1056
1057 /* apply the struts */
1058
1059 /* find the left-most xin heads, i do this in 2 loops :| */
1060 o = area[i][0].x;
1061 for (x = 1; x < screen_num_monitors; ++x)
1062 o = MIN(o, area[i][x].x);
1063
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,
1068 &monitor_area[x],
1069 o + c->strut.left - area[i][x].x,
1070 &struts[x]);
1071 }
1072 screen_area_add_strut_left(&dock_strut,
1073 &monitor_area[x],
1074 o + dock_strut.left - area[i][x].x,
1075 &struts[x]);
1076
1077 area[i][x].x += struts[x].left;
1078 area[i][x].width -= struts[x].left;
1079 }
1080
1081 /* find the top-most xin heads, i do this in 2 loops :| */
1082 o = area[i][0].y;
1083 for (x = 1; x < screen_num_monitors; ++x)
1084 o = MIN(o, area[i][x].y);
1085
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,
1090 &monitor_area[x],
1091 o + c->strut.top - area[i][x].y,
1092 &struts[x]);
1093 }
1094 screen_area_add_strut_top(&dock_strut,
1095 &monitor_area[x],
1096 o + dock_strut.top - area[i][x].y,
1097 &struts[x]);
1098
1099 area[i][x].y += struts[x].top;
1100 area[i][x].height -= struts[x].top;
1101 }
1102
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);
1107
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,
1112 &monitor_area[x],
1113 (area[i][x].x +
1114 area[i][x].width - 1) -
1115 (o - c->strut.right),
1116 &struts[x]);
1117 }
1118 screen_area_add_strut_right(&dock_strut,
1119 &monitor_area[x],
1120 (area[i][x].x +
1121 area[i][x].width - 1) -
1122 (o - dock_strut.right),
1123 &struts[x]);
1124
1125 area[i][x].width -= struts[x].right;
1126 }
1127
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);
1132
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,
1137 &monitor_area[x],
1138 (area[i][x].y +
1139 area[i][x].height - 1) - \
1140 (o - c->strut.bottom),
1141 &struts[x]);
1142 }
1143 screen_area_add_strut_bottom(&dock_strut,
1144 &monitor_area[x],
1145 (area[i][x].y +
1146 area[i][x].height - 1) - \
1147 (o - dock_strut.bottom),
1148 &struts[x]);
1149
1150 area[i][x].height -= struts[x].bottom;
1151 }
1152
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]));
1162 }
1163 RECT_SET(area[i][screen_num_monitors], l, t,
1164 r - l + 1, b - t + 1);
1165
1166 /* XXX optimize when this is run? */
1167
1168 /* the area has changed, adjust all the maximized
1169 windows */
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);
1177 }
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;
1184 }
1185
1186 g_free(struts);
1187 }
1188
1189 PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
1190 dims, 4 * screen_num_desktops);
1191
1192 g_free(dims);
1193 }
1194
1195 Rect *screen_area(guint desktop)
1196 {
1197 return screen_area_monitor(desktop, screen_num_monitors);
1198 }
1199
1200 Rect *screen_area_monitor(guint desktop, guint head)
1201 {
1202 if (head > screen_num_monitors)
1203 return NULL;
1204 if (desktop >= screen_num_desktops) {
1205 if (desktop == DESKTOP_ALL)
1206 return &area[screen_num_desktops][head];
1207 return NULL;
1208 }
1209 return &area[desktop][head];
1210 }
1211
1212 guint screen_find_monitor(Rect *search)
1213 {
1214 guint i;
1215 guint most = 0;
1216 guint mostv = 0;
1217
1218 for (i = 0; i < screen_num_monitors; ++i) {
1219 Rect *area = screen_physical_area_monitor(i);
1220 if (RECT_INTERSECTS_RECT(*area, *search)) {
1221 Rect r;
1222 guint v;
1223
1224 RECT_SET_INTERSECTION(r, *area, *search);
1225 v = r.width * r.height;
1226
1227 if (v > mostv) {
1228 mostv = v;
1229 most = i;
1230 }
1231 }
1232 }
1233 return most;
1234 }
1235
1236 Rect *screen_physical_area()
1237 {
1238 return screen_physical_area_monitor(screen_num_monitors);
1239 }
1240
1241 Rect *screen_physical_area_monitor(guint head)
1242 {
1243 if (head > screen_num_monitors)
1244 return NULL;
1245 return &monitor_area[head];
1246 }
1247
1248 void screen_set_root_cursor()
1249 {
1250 if (sn_app_starting())
1251 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1252 ob_cursor(OB_CURSOR_BUSY));
1253 else
1254 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1255 ob_cursor(OB_CURSOR_POINTER));
1256 }
1257
1258 gboolean screen_pointer_pos(gint *x, gint *y)
1259 {
1260 Window w;
1261 gint i;
1262 guint u;
1263
1264 return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
1265 &w, &w, x, y, &i, &i, &u);
1266 }
my patches for the openbox window manager
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