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