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we werent dropping it in screen, we were dropping it in prop
[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 guint i, numnames;
303
304 if (!reconfig)
305 /* get the initial size */
306 screen_resize();
307
308 desktop_cycle_popup = pager_popup_new(FALSE);
309 pager_popup_height(desktop_cycle_popup, POPUP_HEIGHT);
310
311 #if 0
312 /* get the names */
313 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
314 net_desktop_names, utf8, &screen_desktop_names))
315 for (i = 0; screen_desktop_names[i]; ++i);
316 else
317 #endif
318 i = 0;
319 numnames = g_slist_length(config_desktops_names);
320 if (numnames > i) {
321 GSList *it;
322
323 screen_desktop_names = g_renew(gchar*,screen_desktop_names,numnames+1);
324 screen_desktop_names[numnames] = NULL;
325
326 for (it = g_slist_nth(config_desktops_names, i); it;
327 it = g_slist_next(it), ++i)
328 {
329 screen_desktop_names[i] = g_strdup(it->data);
330 }
331 }
332 /* then set the names */
333 PROP_SETSS(RootWindow(ob_display, ob_screen),
334 net_desktop_names, screen_desktop_names);
335 g_strfreev(screen_desktop_names);
336 screen_desktop_names = NULL;
337
338 if (!reconfig)
339 screen_num_desktops = 0;
340 screen_set_num_desktops(config_desktops_num);
341 if (!reconfig) {
342 guint32 d;
343 /* start on the current desktop when a wm was already running */
344 if (PROP_GET32(RootWindow(ob_display, ob_screen),
345 net_current_desktop, cardinal, &d) &&
346 d < screen_num_desktops)
347 {
348 screen_set_desktop(d, FALSE);
349 } else if (session_desktop >= 0)
350 screen_set_desktop(MIN((guint)session_desktop,
351 screen_num_desktops), FALSE);
352 else
353 screen_set_desktop(MIN(config_screen_firstdesk,
354 screen_num_desktops) - 1, FALSE);
355
356 /* don't start in showing-desktop mode */
357 screen_showing_desktop = FALSE;
358 PROP_SET32(RootWindow(ob_display, ob_screen),
359 net_showing_desktop, cardinal, screen_showing_desktop);
360
361 screen_update_layout();
362 }
363 }
364
365 void screen_shutdown(gboolean reconfig)
366 {
367 Rect **r;
368
369 pager_popup_free(desktop_cycle_popup);
370
371 if (!reconfig) {
372 XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
373 NoEventMask);
374
375 /* we're not running here no more! */
376 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
377 /* not without us */
378 PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
379 /* don't keep this mode */
380 PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
381
382 XDestroyWindow(ob_display, screen_support_win);
383 }
384
385 g_strfreev(screen_desktop_names);
386 screen_desktop_names = NULL;
387 for (r = area; *r; ++r)
388 g_free(*r);
389 g_free(area);
390 area = NULL;
391 }
392
393 void screen_resize()
394 {
395 static gint oldw = 0, oldh = 0;
396 gint w, h;
397 GList *it;
398 gulong geometry[2];
399
400 w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
401 h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
402
403 if (w == oldw && h == oldh) return;
404
405 oldw = w; oldh = h;
406
407 /* Set the _NET_DESKTOP_GEOMETRY hint */
408 screen_physical_size.width = geometry[0] = w;
409 screen_physical_size.height = geometry[1] = h;
410 PROP_SETA32(RootWindow(ob_display, ob_screen),
411 net_desktop_geometry, cardinal, geometry, 2);
412
413 if (ob_state() == OB_STATE_STARTING)
414 return;
415
416 screen_update_areas();
417 dock_configure();
418
419 for (it = client_list; it; it = g_list_next(it))
420 client_move_onscreen(it->data, FALSE);
421 }
422
423 void screen_set_num_desktops(guint num)
424 {
425 guint old;
426 gulong *viewport;
427 GList *it;
428
429 g_assert(num > 0);
430
431 if (screen_num_desktops == num) return;
432
433 old = screen_num_desktops;
434 screen_num_desktops = num;
435 PROP_SET32(RootWindow(ob_display, ob_screen),
436 net_number_of_desktops, cardinal, num);
437
438 /* set the viewport hint */
439 viewport = g_new0(gulong, num * 2);
440 PROP_SETA32(RootWindow(ob_display, ob_screen),
441 net_desktop_viewport, cardinal, viewport, num * 2);
442 g_free(viewport);
443
444 /* the number of rows/columns will differ */
445 screen_update_layout();
446
447 /* move windows on desktops that will no longer exist! */
448 for (it = client_list; it; it = g_list_next(it)) {
449 ObClient *c = it->data;
450 if (c->desktop >= num && c->desktop != DESKTOP_ALL)
451 client_set_desktop(c, num - 1, FALSE);
452 }
453
454 /* change our struts/area to match (after moving windows) */
455 screen_update_areas();
456
457 /* may be some unnamed desktops that we need to fill in with names
458 (after updating the areas so the popup can resize) */
459 screen_update_desktop_names();
460
461 /* change our desktop if we're on one that no longer exists! */
462 if (screen_desktop >= screen_num_desktops)
463 screen_set_desktop(num - 1, TRUE);
464 }
465
466 void screen_set_desktop(guint num, gboolean dofocus)
467 {
468 ObClient *c;
469 GList *it;
470 guint old;
471
472 g_assert(num < screen_num_desktops);
473
474 old = screen_desktop;
475 screen_desktop = num;
476 PROP_SET32(RootWindow(ob_display, ob_screen),
477 net_current_desktop, cardinal, num);
478
479 if (old == num) return;
480
481 screen_last_desktop = old;
482
483 ob_debug("Moving to desktop %d\n", num+1);
484
485 if (moveresize_client)
486 client_set_desktop(moveresize_client, num, TRUE);
487
488 /* show windows before hiding the rest to lessen the enter/leave events */
489
490 /* show windows from top to bottom */
491 for (it = stacking_list; it; it = g_list_next(it)) {
492 if (WINDOW_IS_CLIENT(it->data)) {
493 ObClient *c = it->data;
494 client_show(c);
495 }
496 }
497
498 /* hide windows from bottom to top */
499 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
500 if (WINDOW_IS_CLIENT(it->data)) {
501 ObClient *c = it->data;
502 client_hide(c);
503 }
504 }
505
506 /* have to try focus here because when you leave an empty desktop
507 there is no focus out to watch for */
508 if (dofocus && (c = focus_fallback_target(TRUE, focus_client))) {
509 /* reduce flicker by hiliting now rather than waiting for the server
510 FocusIn event */
511 frame_adjust_focus(c->frame, TRUE);
512 client_focus(c);
513 }
514
515 event_ignore_queued_enters();
516
517 if (event_curtime != CurrentTime)
518 screen_desktop_user_time = event_curtime;
519 }
520
521 static void get_row_col(guint d, guint *r, guint *c)
522 {
523 switch (screen_desktop_layout.orientation) {
524 case OB_ORIENTATION_HORZ:
525 switch (screen_desktop_layout.start_corner) {
526 case OB_CORNER_TOPLEFT:
527 *r = d / screen_desktop_layout.columns;
528 *c = d % screen_desktop_layout.columns;
529 break;
530 case OB_CORNER_BOTTOMLEFT:
531 *r = screen_desktop_layout.rows - 1 -
532 d / screen_desktop_layout.columns;
533 *c = d % screen_desktop_layout.columns;
534 break;
535 case OB_CORNER_TOPRIGHT:
536 *r = d / screen_desktop_layout.columns;
537 *c = screen_desktop_layout.columns - 1 -
538 d % screen_desktop_layout.columns;
539 break;
540 case OB_CORNER_BOTTOMRIGHT:
541 *r = screen_desktop_layout.rows - 1 -
542 d / screen_desktop_layout.columns;
543 *c = screen_desktop_layout.columns - 1 -
544 d % screen_desktop_layout.columns;
545 break;
546 }
547 break;
548 case OB_ORIENTATION_VERT:
549 switch (screen_desktop_layout.start_corner) {
550 case OB_CORNER_TOPLEFT:
551 *r = d % screen_desktop_layout.rows;
552 *c = d / screen_desktop_layout.rows;
553 break;
554 case OB_CORNER_BOTTOMLEFT:
555 *r = screen_desktop_layout.rows - 1 -
556 d % screen_desktop_layout.rows;
557 *c = d / screen_desktop_layout.rows;
558 break;
559 case OB_CORNER_TOPRIGHT:
560 *r = d % screen_desktop_layout.rows;
561 *c = screen_desktop_layout.columns - 1 -
562 d / screen_desktop_layout.rows;
563 break;
564 case OB_CORNER_BOTTOMRIGHT:
565 *r = screen_desktop_layout.rows - 1 -
566 d % screen_desktop_layout.rows;
567 *c = screen_desktop_layout.columns - 1 -
568 d / screen_desktop_layout.rows;
569 break;
570 }
571 break;
572 }
573 }
574
575 static guint translate_row_col(guint r, guint c)
576 {
577 switch (screen_desktop_layout.orientation) {
578 case OB_ORIENTATION_HORZ:
579 switch (screen_desktop_layout.start_corner) {
580 case OB_CORNER_TOPLEFT:
581 return r % screen_desktop_layout.rows *
582 screen_desktop_layout.columns +
583 c % screen_desktop_layout.columns;
584 case OB_CORNER_BOTTOMLEFT:
585 return (screen_desktop_layout.rows - 1 -
586 r % screen_desktop_layout.rows) *
587 screen_desktop_layout.columns +
588 c % screen_desktop_layout.columns;
589 case OB_CORNER_TOPRIGHT:
590 return r % screen_desktop_layout.rows *
591 screen_desktop_layout.columns +
592 (screen_desktop_layout.columns - 1 -
593 c % screen_desktop_layout.columns);
594 case OB_CORNER_BOTTOMRIGHT:
595 return (screen_desktop_layout.rows - 1 -
596 r % screen_desktop_layout.rows) *
597 screen_desktop_layout.columns +
598 (screen_desktop_layout.columns - 1 -
599 c % screen_desktop_layout.columns);
600 }
601 case OB_ORIENTATION_VERT:
602 switch (screen_desktop_layout.start_corner) {
603 case OB_CORNER_TOPLEFT:
604 return c % screen_desktop_layout.columns *
605 screen_desktop_layout.rows +
606 r % screen_desktop_layout.rows;
607 case OB_CORNER_BOTTOMLEFT:
608 return c % screen_desktop_layout.columns *
609 screen_desktop_layout.rows +
610 (screen_desktop_layout.rows - 1 -
611 r % screen_desktop_layout.rows);
612 case OB_CORNER_TOPRIGHT:
613 return (screen_desktop_layout.columns - 1 -
614 c % screen_desktop_layout.columns) *
615 screen_desktop_layout.rows +
616 r % screen_desktop_layout.rows;
617 case OB_CORNER_BOTTOMRIGHT:
618 return (screen_desktop_layout.columns - 1 -
619 c % screen_desktop_layout.columns) *
620 screen_desktop_layout.rows +
621 (screen_desktop_layout.rows - 1 -
622 r % screen_desktop_layout.rows);
623 }
624 }
625 g_assert_not_reached();
626 return 0;
627 }
628
629 void screen_desktop_popup(guint d, gboolean show)
630 {
631 Rect *a;
632
633 if (!show) {
634 pager_popup_hide(desktop_cycle_popup);
635 } else {
636 a = screen_physical_area_monitor(0);
637 pager_popup_position(desktop_cycle_popup, CenterGravity,
638 a->x + a->width / 2, a->y + a->height / 2);
639 pager_popup_max_width(desktop_cycle_popup,
640 MAX(a->width/3, POPUP_WIDTH));
641 pager_popup_show(desktop_cycle_popup, screen_desktop_names[d], d);
642 }
643 }
644
645 guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
646 gboolean dialog, gboolean done, gboolean cancel)
647 {
648 static gboolean first = TRUE;
649 static guint origd, d;
650 guint r, c;
651
652 if (cancel) {
653 d = origd;
654 goto done_cycle;
655 } else if (done && dialog) {
656 goto done_cycle;
657 }
658 if (first) {
659 first = FALSE;
660 d = origd = screen_desktop;
661 }
662
663 get_row_col(d, &r, &c);
664
665 if (linear) {
666 switch (dir) {
667 case OB_DIRECTION_EAST:
668 if (d < screen_num_desktops - 1)
669 ++d;
670 else if (wrap)
671 d = 0;
672 break;
673 case OB_DIRECTION_WEST:
674 if (d > 0)
675 --d;
676 else if (wrap)
677 d = screen_num_desktops - 1;
678 break;
679 default:
680 assert(0);
681 return screen_desktop;
682 }
683 } else {
684 switch (dir) {
685 case OB_DIRECTION_EAST:
686 ++c;
687 if (c >= screen_desktop_layout.columns) {
688 if (wrap) {
689 c = 0;
690 } else {
691 d = screen_desktop;
692 goto show_cycle_dialog;
693 }
694 }
695 d = translate_row_col(r, c);
696 if (d >= screen_num_desktops) {
697 if (wrap) {
698 ++c;
699 } else {
700 d = screen_desktop;
701 goto show_cycle_dialog;
702 }
703 }
704 break;
705 case OB_DIRECTION_WEST:
706 --c;
707 if (c >= screen_desktop_layout.columns) {
708 if (wrap) {
709 c = screen_desktop_layout.columns - 1;
710 } else {
711 d = screen_desktop;
712 goto show_cycle_dialog;
713 }
714 }
715 d = translate_row_col(r, c);
716 if (d >= screen_num_desktops) {
717 if (wrap) {
718 --c;
719 } else {
720 d = screen_desktop;
721 goto show_cycle_dialog;
722 }
723 }
724 break;
725 case OB_DIRECTION_SOUTH:
726 ++r;
727 if (r >= screen_desktop_layout.rows) {
728 if (wrap) {
729 r = 0;
730 } else {
731 d = screen_desktop;
732 goto show_cycle_dialog;
733 }
734 }
735 d = translate_row_col(r, c);
736 if (d >= screen_num_desktops) {
737 if (wrap) {
738 ++r;
739 } else {
740 d = screen_desktop;
741 goto show_cycle_dialog;
742 }
743 }
744 break;
745 case OB_DIRECTION_NORTH:
746 --r;
747 if (r >= screen_desktop_layout.rows) {
748 if (wrap) {
749 r = screen_desktop_layout.rows - 1;
750 } else {
751 d = screen_desktop;
752 goto show_cycle_dialog;
753 }
754 }
755 d = translate_row_col(r, c);
756 if (d >= screen_num_desktops) {
757 if (wrap) {
758 --r;
759 } else {
760 d = screen_desktop;
761 goto show_cycle_dialog;
762 }
763 }
764 break;
765 default:
766 assert(0);
767 return d = screen_desktop;
768 }
769
770 d = translate_row_col(r, c);
771 }
772
773 show_cycle_dialog:
774 if (dialog) {
775 screen_desktop_popup(d, TRUE);
776 return d;
777 }
778
779 done_cycle:
780 first = TRUE;
781
782 screen_desktop_popup(0, FALSE);
783
784 return d;
785 }
786
787 void screen_update_layout()
788 {
789 ObOrientation orient;
790 ObCorner corner;
791 guint rows;
792 guint cols;
793 guint32 *data;
794 guint num;
795 gboolean valid = FALSE;
796
797 if (PROP_GETA32(RootWindow(ob_display, ob_screen),
798 net_desktop_layout, cardinal, &data, &num)) {
799 if (num == 3 || num == 4) {
800
801 if (data[0] == prop_atoms.net_wm_orientation_vert)
802 orient = OB_ORIENTATION_VERT;
803 else if (data[0] == prop_atoms.net_wm_orientation_horz)
804 orient = OB_ORIENTATION_HORZ;
805 else
806 goto screen_update_layout_bail;
807
808 if (num < 4)
809 corner = OB_CORNER_TOPLEFT;
810 else {
811 if (data[3] == prop_atoms.net_wm_topleft)
812 corner = OB_CORNER_TOPLEFT;
813 else if (data[3] == prop_atoms.net_wm_topright)
814 corner = OB_CORNER_TOPRIGHT;
815 else if (data[3] == prop_atoms.net_wm_bottomright)
816 corner = OB_CORNER_BOTTOMRIGHT;
817 else if (data[3] == prop_atoms.net_wm_bottomleft)
818 corner = OB_CORNER_BOTTOMLEFT;
819 else
820 goto screen_update_layout_bail;
821 }
822
823 cols = data[1];
824 rows = data[2];
825
826 /* fill in a zero rows/columns */
827 if ((cols == 0 && rows == 0)) { /* both 0's is bad data.. */
828 goto screen_update_layout_bail;
829 } else {
830 if (cols == 0) {
831 cols = screen_num_desktops / rows;
832 if (rows * cols < screen_num_desktops)
833 cols++;
834 if (rows * cols >= screen_num_desktops + cols)
835 rows--;
836 } else if (rows == 0) {
837 rows = screen_num_desktops / cols;
838 if (cols * rows < screen_num_desktops)
839 rows++;
840 if (cols * rows >= screen_num_desktops + rows)
841 cols--;
842 }
843 }
844
845 /* bounds checking */
846 if (orient == OB_ORIENTATION_HORZ) {
847 cols = MIN(screen_num_desktops, cols);
848 rows = MIN(rows, (screen_num_desktops + cols - 1) / cols);
849 cols = screen_num_desktops / rows +
850 !!(screen_num_desktops % rows);
851 } else {
852 rows = MIN(screen_num_desktops, rows);
853 cols = MIN(cols, (screen_num_desktops + rows - 1) / rows);
854 rows = screen_num_desktops / cols +
855 !!(screen_num_desktops % cols);
856 }
857
858 valid = TRUE;
859 }
860 screen_update_layout_bail:
861 g_free(data);
862 }
863
864 if (!valid) {
865 /* defaults */
866 orient = OB_ORIENTATION_HORZ;
867 corner = OB_CORNER_TOPLEFT;
868 rows = 1;
869 cols = screen_num_desktops;
870 }
871
872 screen_desktop_layout.orientation = orient;
873 screen_desktop_layout.start_corner = corner;
874 screen_desktop_layout.rows = rows;
875 screen_desktop_layout.columns = cols;
876 }
877
878 void screen_update_desktop_names()
879 {
880 guint i;
881
882 /* empty the array */
883 g_strfreev(screen_desktop_names);
884 screen_desktop_names = NULL;
885
886 if (PROP_GETSS(RootWindow(ob_display, ob_screen),
887 net_desktop_names, utf8, &screen_desktop_names))
888 for (i = 0; screen_desktop_names[i] && i < screen_num_desktops; ++i);
889 else
890 i = 0;
891 if (i < screen_num_desktops) {
892 screen_desktop_names = g_renew(gchar*, screen_desktop_names,
893 screen_num_desktops + 1);
894 screen_desktop_names[screen_num_desktops] = NULL;
895 for (; i < screen_num_desktops; ++i)
896 screen_desktop_names[i] = g_strdup_printf("desktop %i", i + 1);
897 }
898
899 /* resize the pager for these names */
900 pager_popup_text_width_to_strings(desktop_cycle_popup,
901 screen_desktop_names,
902 screen_num_desktops);
903 }
904
905 void screen_show_desktop(gboolean show, gboolean restore_focus)
906 {
907 GList *it;
908
909 if (show == screen_showing_desktop) return; /* no change */
910
911 screen_showing_desktop = show;
912
913 if (show) {
914 /* bottom to top */
915 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
916 if (WINDOW_IS_CLIENT(it->data)) {
917 ObClient *client = it->data;
918 client_showhide(client);
919 }
920 }
921 } else {
922 /* top to bottom */
923 for (it = stacking_list; it; it = g_list_next(it)) {
924 if (WINDOW_IS_CLIENT(it->data)) {
925 ObClient *client = it->data;
926 client_showhide(client);
927 }
928 }
929 }
930
931 if (show) {
932 /* focus desktop */
933 for (it = focus_order; it; it = g_list_next(it)) {
934 ObClient *c = it->data;
935 if (c->type == OB_CLIENT_TYPE_DESKTOP &&
936 (c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
937 client_focus(it->data))
938 break;
939 }
940 } else if (restore_focus) {
941 ObClient *c;
942
943 /* use NULL for the "old" argument because the desktop was focused
944 and we don't want to fallback to the desktop by default */
945 if ((c = focus_fallback_target(TRUE, NULL)))
946 client_focus(c);
947 }
948
949 show = !!show; /* make it boolean */
950 PROP_SET32(RootWindow(ob_display, ob_screen),
951 net_showing_desktop, cardinal, show);
952 }
953
954 void screen_install_colormap(ObClient *client, gboolean install)
955 {
956 if (client == NULL) {
957 if (install)
958 XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
959 else
960 XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
961 } else {
962 xerror_set_ignore(TRUE);
963 if (install) {
964 if (client->colormap != None)
965 XInstallColormap(RrDisplay(ob_rr_inst), client->colormap);
966 } else
967 XUninstallColormap(RrDisplay(ob_rr_inst), client->colormap);
968 xerror_set_ignore(FALSE);
969 }
970 }
971
972 static inline void
973 screen_area_add_strut_left(const StrutPartial *s, const Rect *monitor_area,
974 gint edge, Strut *ret)
975 {
976 if (s->left &&
977 ((s->left_end <= s->left_start) ||
978 (RECT_TOP(*monitor_area) < s->left_end &&
979 RECT_BOTTOM(*monitor_area) > s->left_start)))
980 ret->left = MAX(ret->left, edge);
981 }
982
983 static inline void
984 screen_area_add_strut_top(const StrutPartial *s, const Rect *monitor_area,
985 gint edge, Strut *ret)
986 {
987 if (s->top &&
988 ((s->top_end <= s->top_start) ||
989 (RECT_LEFT(*monitor_area) < s->top_end &&
990 RECT_RIGHT(*monitor_area) > s->top_start)))
991 ret->top = MAX(ret->top, edge);
992 }
993
994 static inline void
995 screen_area_add_strut_right(const StrutPartial *s, const Rect *monitor_area,
996 gint edge, Strut *ret)
997 {
998 if (s->right &&
999 ((s->right_end <= s->right_start) ||
1000 (RECT_TOP(*monitor_area) < s->right_end &&
1001 RECT_BOTTOM(*monitor_area) > s->right_start)))
1002 ret->right = MAX(ret->right, edge);
1003 }
1004
1005 static inline void
1006 screen_area_add_strut_bottom(const StrutPartial *s, const Rect *monitor_area,
1007 gint edge, Strut *ret)
1008 {
1009 if (s->bottom &&
1010 ((s->bottom_end <= s->bottom_start) ||
1011 (RECT_LEFT(*monitor_area) < s->bottom_end &&
1012 RECT_RIGHT(*monitor_area) > s->bottom_start)))
1013 ret->bottom = MAX(ret->bottom, edge);
1014 }
1015
1016 void screen_update_areas()
1017 {
1018 guint i, x;
1019 gulong *dims;
1020 GList *it;
1021 gint o;
1022
1023 g_free(monitor_area);
1024 extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
1025
1026 if (area) {
1027 for (i = 0; area[i]; ++i)
1028 g_free(area[i]);
1029 g_free(area);
1030 }
1031
1032 area = g_new(Rect*, screen_num_desktops + 2);
1033 for (i = 0; i < screen_num_desktops + 1; ++i)
1034 area[i] = g_new0(Rect, screen_num_monitors + 1);
1035 area[i] = NULL;
1036
1037 dims = g_new(gulong, 4 * screen_num_desktops);
1038
1039 for (i = 0; i < screen_num_desktops + 1; ++i) {
1040 Strut *struts;
1041 gint l, r, t, b;
1042
1043 struts = g_new0(Strut, screen_num_monitors);
1044
1045 /* calc the xinerama areas */
1046 for (x = 0; x < screen_num_monitors; ++x) {
1047 area[i][x] = monitor_area[x];
1048 if (x == 0) {
1049 l = monitor_area[x].x;
1050 t = monitor_area[x].y;
1051 r = monitor_area[x].x + monitor_area[x].width - 1;
1052 b = monitor_area[x].y + monitor_area[x].height - 1;
1053 } else {
1054 l = MIN(l, monitor_area[x].x);
1055 t = MIN(t, monitor_area[x].y);
1056 r = MAX(r, monitor_area[x].x + monitor_area[x].width - 1);
1057 b = MAX(b, monitor_area[x].y + monitor_area[x].height - 1);
1058 }
1059 }
1060 RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
1061
1062 /* apply the struts */
1063
1064 /* find the left-most xin heads, i do this in 2 loops :| */
1065 o = area[i][0].x;
1066 for (x = 1; x < screen_num_monitors; ++x)
1067 o = MIN(o, area[i][x].x);
1068
1069 for (x = 0; x < screen_num_monitors; ++x) {
1070 for (it = client_list; it; it = g_list_next(it)) {
1071 ObClient *c = it->data;
1072 screen_area_add_strut_left(&c->strut,
1073 &monitor_area[x],
1074 o + c->strut.left - area[i][x].x,
1075 &struts[x]);
1076 }
1077 screen_area_add_strut_left(&dock_strut,
1078 &monitor_area[x],
1079 o + dock_strut.left - area[i][x].x,
1080 &struts[x]);
1081
1082 area[i][x].x += struts[x].left;
1083 area[i][x].width -= struts[x].left;
1084 }
1085
1086 /* find the top-most xin heads, i do this in 2 loops :| */
1087 o = area[i][0].y;
1088 for (x = 1; x < screen_num_monitors; ++x)
1089 o = MIN(o, area[i][x].y);
1090
1091 for (x = 0; x < screen_num_monitors; ++x) {
1092 for (it = client_list; it; it = g_list_next(it)) {
1093 ObClient *c = it->data;
1094 screen_area_add_strut_top(&c->strut,
1095 &monitor_area[x],
1096 o + c->strut.top - area[i][x].y,
1097 &struts[x]);
1098 }
1099 screen_area_add_strut_top(&dock_strut,
1100 &monitor_area[x],
1101 o + dock_strut.top - area[i][x].y,
1102 &struts[x]);
1103
1104 area[i][x].y += struts[x].top;
1105 area[i][x].height -= struts[x].top;
1106 }
1107
1108 /* find the right-most xin heads, i do this in 2 loops :| */
1109 o = area[i][0].x + area[i][0].width - 1;
1110 for (x = 1; x < screen_num_monitors; ++x)
1111 o = MAX(o, area[i][x].x + area[i][x].width - 1);
1112
1113 for (x = 0; x < screen_num_monitors; ++x) {
1114 for (it = client_list; it; it = g_list_next(it)) {
1115 ObClient *c = it->data;
1116 screen_area_add_strut_right(&c->strut,
1117 &monitor_area[x],
1118 (area[i][x].x +
1119 area[i][x].width - 1) -
1120 (o - c->strut.right),
1121 &struts[x]);
1122 }
1123 screen_area_add_strut_right(&dock_strut,
1124 &monitor_area[x],
1125 (area[i][x].x +
1126 area[i][x].width - 1) -
1127 (o - dock_strut.right),
1128 &struts[x]);
1129
1130 area[i][x].width -= struts[x].right;
1131 }
1132
1133 /* find the bottom-most xin heads, i do this in 2 loops :| */
1134 o = area[i][0].y + area[i][0].height - 1;
1135 for (x = 1; x < screen_num_monitors; ++x)
1136 o = MAX(o, area[i][x].y + area[i][x].height - 1);
1137
1138 for (x = 0; x < screen_num_monitors; ++x) {
1139 for (it = client_list; it; it = g_list_next(it)) {
1140 ObClient *c = it->data;
1141 screen_area_add_strut_bottom(&c->strut,
1142 &monitor_area[x],
1143 (area[i][x].y +
1144 area[i][x].height - 1) - \
1145 (o - c->strut.bottom),
1146 &struts[x]);
1147 }
1148 screen_area_add_strut_bottom(&dock_strut,
1149 &monitor_area[x],
1150 (area[i][x].y +
1151 area[i][x].height - 1) - \
1152 (o - dock_strut.bottom),
1153 &struts[x]);
1154
1155 area[i][x].height -= struts[x].bottom;
1156 }
1157
1158 l = RECT_LEFT(area[i][0]);
1159 t = RECT_TOP(area[i][0]);
1160 r = RECT_RIGHT(area[i][0]);
1161 b = RECT_BOTTOM(area[i][0]);
1162 for (x = 1; x < screen_num_monitors; ++x) {
1163 l = MIN(l, RECT_LEFT(area[i][x]));
1164 t = MIN(l, RECT_TOP(area[i][x]));
1165 r = MAX(r, RECT_RIGHT(area[i][x]));
1166 b = MAX(b, RECT_BOTTOM(area[i][x]));
1167 }
1168 RECT_SET(area[i][screen_num_monitors], l, t,
1169 r - l + 1, b - t + 1);
1170
1171 /* XXX optimize when this is run? */
1172
1173 /* the area has changed, adjust all the maximized
1174 windows */
1175 for (it = client_list; it; it = g_list_next(it)) {
1176 ObClient *c = it->data;
1177 if (i < screen_num_desktops) {
1178 if (c->desktop == i)
1179 client_reconfigure(c);
1180 } else if (c->desktop == DESKTOP_ALL)
1181 client_reconfigure(c);
1182 }
1183 if (i < screen_num_desktops) {
1184 /* don't set these for the 'all desktops' area */
1185 dims[(i * 4) + 0] = area[i][screen_num_monitors].x;
1186 dims[(i * 4) + 1] = area[i][screen_num_monitors].y;
1187 dims[(i * 4) + 2] = area[i][screen_num_monitors].width;
1188 dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
1189 }
1190
1191 g_free(struts);
1192 }
1193
1194 PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
1195 dims, 4 * screen_num_desktops);
1196
1197 g_free(dims);
1198 }
1199
1200 Rect *screen_area(guint desktop)
1201 {
1202 return screen_area_monitor(desktop, screen_num_monitors);
1203 }
1204
1205 Rect *screen_area_monitor(guint desktop, guint head)
1206 {
1207 if (head > screen_num_monitors)
1208 return NULL;
1209 if (desktop >= screen_num_desktops) {
1210 if (desktop == DESKTOP_ALL)
1211 return &area[screen_num_desktops][head];
1212 return NULL;
1213 }
1214 return &area[desktop][head];
1215 }
1216
1217 guint screen_find_monitor(Rect *search)
1218 {
1219 guint i;
1220 guint most = 0;
1221 guint mostv = 0;
1222
1223 for (i = 0; i < screen_num_monitors; ++i) {
1224 Rect *area = screen_physical_area_monitor(i);
1225 if (RECT_INTERSECTS_RECT(*area, *search)) {
1226 Rect r;
1227 guint v;
1228
1229 RECT_SET_INTERSECTION(r, *area, *search);
1230 v = r.width * r.height;
1231
1232 if (v > mostv) {
1233 mostv = v;
1234 most = i;
1235 }
1236 }
1237 }
1238 return most;
1239 }
1240
1241 Rect *screen_physical_area()
1242 {
1243 return screen_physical_area_monitor(screen_num_monitors);
1244 }
1245
1246 Rect *screen_physical_area_monitor(guint head)
1247 {
1248 if (head > screen_num_monitors)
1249 return NULL;
1250 return &monitor_area[head];
1251 }
1252
1253 void screen_set_root_cursor()
1254 {
1255 if (sn_app_starting())
1256 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1257 ob_cursor(OB_CURSOR_BUSY));
1258 else
1259 XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
1260 ob_cursor(OB_CURSOR_POINTER));
1261 }
1262
1263 gboolean screen_pointer_pos(gint *x, gint *y)
1264 {
1265 Window w;
1266 gint i;
1267 guint u;
1268
1269 return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
1270 &w, &w, x, y, &i, &i, &u);
1271 }
my patches for the openbox window manager
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