]> Dogcows Code - chaz/openbox/blob - openbox/openbox.c
get the offscreen pixmaps for all windows (including their frames)
[chaz/openbox] / openbox / openbox.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3 openbox.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 "session.h"
23 #include "dock.h"
24 #include "modkeys.h"
25 #include "event.h"
26 #include "menu.h"
27 #include "client.h"
28 #include "xerror.h"
29 #include "prop.h"
30 #include "screen.h"
31 #include "startupnotify.h"
32 #include "focus.h"
33 #include "focus_cycle.h"
34 #include "focus_cycle_indicator.h"
35 #include "focus_cycle_popup.h"
36 #include "moveresize.h"
37 #include "composite.h"
38 #include "frame.h"
39 #include "keyboard.h"
40 #include "mouse.h"
41 #include "extensions.h"
42 #include "menuframe.h"
43 #include "grab.h"
44 #include "group.h"
45 #include "propwin.h"
46 #include "config.h"
47 #include "mainloop.h"
48 #include "gettext.h"
49 #include "parser/parse.h"
50 #include "render/render.h"
51 #include "render/theme.h"
52
53 #ifdef HAVE_FCNTL_H
54 # include <fcntl.h>
55 #endif
56 #ifdef HAVE_SIGNAL_H
57 # include <signal.h>
58 #endif
59 #ifdef HAVE_STDLIB_H
60 # include <stdlib.h>
61 #endif
62 #ifdef HAVE_LOCALE_H
63 # include <locale.h>
64 #endif
65 #ifdef HAVE_SYS_STAT_H
66 # include <sys/stat.h>
67 # include <sys/types.h>
68 #endif
69 #ifdef HAVE_SYS_WAIT_H
70 # include <sys/types.h>
71 # include <sys/wait.h>
72 #endif
73 #ifdef HAVE_UNISTD_H
74 # include <unistd.h>
75 #endif
76 #include <errno.h>
77
78 #include <X11/cursorfont.h>
79 #if USE_XCURSOR
80 #include <X11/Xcursor/Xcursor.h>
81 #endif
82
83 #include <X11/Xlib.h>
84 #include <X11/keysym.h>
85
86
87 RrInstance *ob_rr_inst;
88 RrTheme *ob_rr_theme;
89 ObMainLoop *ob_main_loop;
90 Display *ob_display;
91 gint ob_screen;
92 gboolean ob_replace_wm = FALSE;
93 gboolean ob_sm_use = TRUE;
94 gchar *ob_sm_id = NULL;
95 gchar *ob_sm_save_file = NULL;
96 gboolean ob_sm_restore = TRUE;
97 gboolean ob_debug_xinerama = FALSE;
98
99 static ObState state;
100 static gboolean xsync = FALSE;
101 static gboolean reconfigure = FALSE;
102 static gboolean restart = FALSE;
103 static gchar *restart_path = NULL;
104 static Cursor cursors[OB_NUM_CURSORS];
105 static KeyCode keys[OB_NUM_KEYS];
106 static gint exitcode = 0;
107 static guint remote_control = 0;
108 static gboolean being_replaced = FALSE;
109
110 static void signal_handler(gint signal, gpointer data);
111 static void remove_args(gint *argc, gchar **argv, gint index, gint num);
112 static void parse_env();
113 static void parse_args(gint *argc, gchar **argv);
114 static Cursor load_cursor(const gchar *name, guint fontval);
115
116 gint main(gint argc, gchar **argv)
117 {
118 gchar *program_name;
119
120 state = OB_STATE_STARTING;
121
122 /* initialize the locale */
123 if (!setlocale(LC_ALL, ""))
124 g_message("Couldn't set locale from environment.");
125 bindtextdomain(PACKAGE_NAME, LOCALEDIR);
126 bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
127 textdomain(PACKAGE_NAME);
128
129 if (chdir(g_get_home_dir()) == -1)
130 g_message(_("Unable to change to home directory '%s': %s"),
131 g_get_home_dir(), g_strerror(errno));
132
133 /* parse the command line args, which can change the argv[0] */
134 parse_args(&argc, argv);
135 /* parse the environment variables */
136 parse_env();
137
138 program_name = g_path_get_basename(argv[0]);
139 g_set_prgname(program_name);
140
141 if (!remote_control) {
142 parse_paths_startup();
143
144 session_startup(argc, argv);
145 }
146
147
148 ob_display = XOpenDisplay(NULL);
149 if (ob_display == NULL)
150 ob_exit_with_error(_("Failed to open the display from the DISPLAY environment variable."));
151 if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1)
152 ob_exit_with_error("Failed to set display as close-on-exec");
153
154 if (remote_control) {
155 prop_startup();
156
157 /* Send client message telling the OB process to:
158 * remote_control = 1 -> reconfigure
159 * remote_control = 2 -> restart */
160 PROP_MSG(RootWindow(ob_display, ob_screen),
161 ob_control, remote_control, 0, 0, 0);
162 XCloseDisplay(ob_display);
163 exit(EXIT_SUCCESS);
164 }
165
166 ob_main_loop = ob_main_loop_new(ob_display);
167
168 /* set up signal handler */
169 ob_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL, NULL);
170 ob_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL, NULL);
171 ob_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL, NULL);
172 ob_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler, NULL, NULL);
173 ob_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL, NULL);
174 ob_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL, NULL);
175 ob_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL, NULL);
176
177 ob_screen = DefaultScreen(ob_display);
178
179 ob_rr_inst = RrInstanceNew(ob_display, ob_screen);
180 if (ob_rr_inst == NULL)
181 ob_exit_with_error(_("Failed to initialize the obrender library."));
182
183 XSynchronize(ob_display, xsync);
184
185 /* check for locale support */
186 if (!XSupportsLocale())
187 g_message(_("X server does not support locale."));
188 if (!XSetLocaleModifiers(""))
189 g_message(_("Cannot set locale modifiers for the X server."));
190
191 /* set our error handler */
192 XSetErrorHandler(xerror_handler);
193
194 /* set the DISPLAY environment variable for any lauched children, to the
195 display we're using, so they open in the right place. */
196 putenv(g_strdup_printf("DISPLAY=%s", DisplayString(ob_display)));
197
198 /* create available cursors */
199 cursors[OB_CURSOR_NONE] = None;
200 cursors[OB_CURSOR_POINTER] = load_cursor("left_ptr", XC_left_ptr);
201 cursors[OB_CURSOR_BUSYPOINTER] = load_cursor("left_ptr_watch",XC_left_ptr);
202 cursors[OB_CURSOR_BUSY] = load_cursor("watch", XC_watch);
203 cursors[OB_CURSOR_MOVE] = load_cursor("fleur", XC_fleur);
204 cursors[OB_CURSOR_NORTH] = load_cursor("top_side", XC_top_side);
205 cursors[OB_CURSOR_NORTHEAST] = load_cursor("top_right_corner",
206 XC_top_right_corner);
207 cursors[OB_CURSOR_EAST] = load_cursor("right_side", XC_right_side);
208 cursors[OB_CURSOR_SOUTHEAST] = load_cursor("bottom_right_corner",
209 XC_bottom_right_corner);
210 cursors[OB_CURSOR_SOUTH] = load_cursor("bottom_side", XC_bottom_side);
211 cursors[OB_CURSOR_SOUTHWEST] = load_cursor("bottom_left_corner",
212 XC_bottom_left_corner);
213 cursors[OB_CURSOR_WEST] = load_cursor("left_side", XC_left_side);
214 cursors[OB_CURSOR_NORTHWEST] = load_cursor("top_left_corner",
215 XC_top_left_corner);
216
217
218 prop_startup(); /* get atoms values for the display */
219 extensions_query_all(); /* find which extensions are present */
220
221 if (screen_annex()) { /* it will be ours! */
222 do {
223 modkeys_startup(reconfigure);
224
225 /* get the keycodes for keys we use */
226 keys[OB_KEY_RETURN] = modkeys_sym_to_code(XK_Return);
227 keys[OB_KEY_ESCAPE] = modkeys_sym_to_code(XK_Escape);
228 keys[OB_KEY_LEFT] = modkeys_sym_to_code(XK_Left);
229 keys[OB_KEY_RIGHT] = modkeys_sym_to_code(XK_Right);
230 keys[OB_KEY_UP] = modkeys_sym_to_code(XK_Up);
231 keys[OB_KEY_DOWN] = modkeys_sym_to_code(XK_Down);
232
233 {
234 ObParseInst *i;
235 xmlDocPtr doc;
236 xmlNodePtr node;
237
238 /* startup the parsing so everything can register sections
239 of the rc */
240 i = parse_startup();
241
242 /* start up config which sets up with the parser */
243 config_startup(i);
244
245 /* parse/load user options */
246 if (parse_load_rc(NULL, &doc, &node)) {
247 parse_tree(i, doc, node->xmlChildrenNode);
248 parse_close(doc);
249 } else
250 g_message(_("Unable to find a valid config file, using some simple defaults"));
251
252 /*
253 if (config_type != NULL)
254 PROP_SETS(RootWindow(ob_display, ob_screen),
255 ob_config, config_type);
256 */
257
258 /* we're done with parsing now, kill it */
259 parse_shutdown(i);
260 }
261
262 /* load the theme specified in the rc file */
263 {
264 RrTheme *theme;
265 if ((theme = RrThemeNew(ob_rr_inst, config_theme, TRUE,
266 config_font_activewindow,
267 config_font_inactivewindow,
268 config_font_menutitle,
269 config_font_menuitem,
270 config_font_osd)))
271 {
272 RrThemeFree(ob_rr_theme);
273 ob_rr_theme = theme;
274 }
275 if (ob_rr_theme == NULL)
276 ob_exit_with_error(_("Unable to load a theme."));
277
278 PROP_SETS(RootWindow(ob_display, ob_screen),
279 ob_theme, ob_rr_theme->name);
280 }
281
282 if (reconfigure) {
283 GList *it;
284
285 /* update all existing windows for the new theme */
286 for (it = client_list; it; it = g_list_next(it)) {
287 ObClient *c = it->data;
288 frame_adjust_theme(c->frame);
289 }
290 }
291 event_startup(reconfigure);
292 /* focus_backup is used for stacking, so this needs to come before
293 anything that calls stacking_add */
294 focus_startup(reconfigure);
295 focus_cycle_startup(reconfigure);
296 focus_cycle_indicator_startup(reconfigure);
297 focus_cycle_popup_startup(reconfigure);
298 window_startup(reconfigure);
299 sn_startup(reconfigure);
300 screen_startup(reconfigure);
301 composite_startup(reconfigure);
302 grab_startup(reconfigure);
303 propwin_startup(reconfigure);
304 group_startup(reconfigure);
305 client_startup(reconfigure);
306 dock_startup(reconfigure);
307 moveresize_startup(reconfigure);
308 keyboard_startup(reconfigure);
309 mouse_startup(reconfigure);
310 menu_frame_startup(reconfigure);
311 menu_startup(reconfigure);
312
313 if (!reconfigure) {
314 guint32 xid;
315 ObWindow *w;
316
317 /* get all the existing windows */
318 client_manage_all();
319 focus_nothing();
320
321 /* focus what was focused if a wm was already running */
322 if (PROP_GET32(RootWindow(ob_display, ob_screen),
323 net_active_window, window, &xid) &&
324 (w = g_hash_table_lookup(window_map, &xid)) &&
325 WINDOW_IS_CLIENT(w))
326 {
327 client_focus(WINDOW_AS_CLIENT(w));
328 }
329 } else {
330 GList *it;
331
332 /* redecorate all existing windows */
333 for (it = client_list; it; it = g_list_next(it)) {
334 ObClient *c = it->data;
335
336 /* the new config can change the window's decorations */
337 client_setup_decor_and_functions(c, FALSE);
338 /* redraw the frames */
339 frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
340 /* the decor sizes may have changed, so the windows may
341 end up in new positions */
342 client_reconfigure(c, FALSE);
343 }
344 }
345
346 reconfigure = FALSE;
347
348 state = OB_STATE_RUNNING;
349 ob_main_loop_run(ob_main_loop);
350 state = OB_STATE_EXITING;
351
352 if (!reconfigure) {
353 dock_remove_all();
354 client_unmanage_all();
355 }
356
357 menu_shutdown(reconfigure);
358 menu_frame_shutdown(reconfigure);
359 mouse_shutdown(reconfigure);
360 keyboard_shutdown(reconfigure);
361 moveresize_shutdown(reconfigure);
362 dock_shutdown(reconfigure);
363 client_shutdown(reconfigure);
364 group_shutdown(reconfigure);
365 propwin_shutdown(reconfigure);
366 grab_shutdown(reconfigure);
367 composite_shutdown(reconfigure);
368 screen_shutdown(reconfigure);
369 focus_cycle_popup_shutdown(reconfigure);
370 focus_cycle_indicator_shutdown(reconfigure);
371 focus_cycle_shutdown(reconfigure);
372 focus_shutdown(reconfigure);
373 sn_shutdown(reconfigure);
374 window_shutdown(reconfigure);
375 event_shutdown(reconfigure);
376 config_shutdown();
377 modkeys_shutdown(reconfigure);
378 } while (reconfigure);
379 }
380
381 XSync(ob_display, FALSE);
382
383 RrThemeFree(ob_rr_theme);
384 RrInstanceFree(ob_rr_inst);
385
386 session_shutdown(being_replaced);
387
388 XCloseDisplay(ob_display);
389
390 parse_paths_shutdown();
391
392 if (restart) {
393 if (restart_path != NULL) {
394 gint argcp;
395 gchar **argvp;
396 GError *err = NULL;
397
398 /* run other window manager */
399 if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
400 execvp(argvp[0], argvp);
401 g_strfreev(argvp);
402 } else {
403 g_message(
404 _("Restart failed to execute new executable '%s': %s"),
405 restart_path, err->message);
406 g_error_free(err);
407 }
408 }
409
410 /* we remove the session arguments from argv, so put them back,
411 also don't restore the session on restart */
412 if (ob_sm_save_file != NULL || ob_sm_id != NULL) {
413 gchar **nargv;
414 gint i, l;
415
416 l = argc + 1 +
417 (ob_sm_save_file != NULL ? 2 : 0) +
418 (ob_sm_id != NULL ? 2 : 0);
419 nargv = g_new0(gchar*, l+1);
420 for (i = 0; i < argc; ++i)
421 nargv[i] = argv[i];
422
423 if (ob_sm_save_file != NULL) {
424 nargv[i++] = g_strdup("--sm-save-file");
425 nargv[i++] = ob_sm_save_file;
426 }
427 if (ob_sm_id != NULL) {
428 nargv[i++] = g_strdup("--sm-client-id");
429 nargv[i++] = ob_sm_id;
430 }
431 nargv[i++] = g_strdup("--sm-no-load");
432 g_assert(i == l);
433 argv = nargv;
434 }
435
436 /* re-run me */
437 execvp(argv[0], argv); /* try how we were run */
438 execlp(argv[0], program_name, (gchar*)NULL); /* last resort */
439 }
440
441 /* free stuff passed in from the command line or environment */
442 g_free(ob_sm_save_file);
443 g_free(ob_sm_id);
444 g_free(program_name);
445
446 return exitcode;
447 }
448
449 static void signal_handler(gint signal, gpointer data)
450 {
451 switch (signal) {
452 case SIGUSR1:
453 ob_debug("Caught signal %d. Restarting.\n", signal);
454 ob_restart();
455 break;
456 case SIGUSR2:
457 ob_debug("Caught signal %d. Reconfiguring.\n", signal);
458 ob_reconfigure();
459 break;
460 case SIGCHLD:
461 /* reap children */
462 while (waitpid(-1, NULL, WNOHANG) > 0);
463 break;
464 default:
465 ob_debug("Caught signal %d. Exiting.\n", signal);
466 /* TERM and INT return a 0 code */
467 ob_exit(!(signal == SIGTERM || signal == SIGINT));
468 }
469 }
470
471 static void print_version()
472 {
473 g_print("Openbox %s\n", PACKAGE_VERSION);
474 g_print(_("Copyright (c)"));
475 g_print(" 2007 Mikael Magnusson\n");
476 g_print(_("Copyright (c)"));
477 g_print(" 2003-2007 Dana Jansens\n\n");
478 g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
479 g_print("This is free software, and you are welcome to redistribute it\n");
480 g_print("under certain conditions. See the file COPYING for details.\n\n");
481 }
482
483 static void print_help()
484 {
485 g_print(_("Syntax: openbox [options]\n"));
486 g_print(_("\nOptions:\n"));
487 g_print(_(" --help Display this help and exit\n"));
488 g_print(_(" --version Display the version and exit\n"));
489 g_print(_(" --replace Replace the currently running window manager\n"));
490 g_print(_(" --sm-disable Disable connection to the session manager\n"));
491 g_print(_("\nPassing messages to a running Openbox instance:\n"));
492 g_print(_(" --reconfigure Reload Openbox's configuration\n"));
493 g_print(_(" --restart Restart Openbox\n"));
494 g_print(_("\nDebugging options:\n"));
495 g_print(_(" --sync Run in synchronous mode\n"));
496 g_print(_(" --debug Display debugging output\n"));
497 g_print(_(" --debug-focus Display debugging output for focus handling\n"));
498 g_print(_(" --debug-xinerama Split the display into fake xinerama screens\n"));
499 g_print(_("\nPlease report bugs at %s\n"), PACKAGE_BUGREPORT);
500 }
501
502 static void remove_args(gint *argc, gchar **argv, gint index, gint num)
503 {
504 gint i;
505
506 for (i = index; i < *argc - num; ++i)
507 argv[i] = argv[i+num];
508 for (; i < *argc; ++i)
509 argv[i] = NULL;
510 *argc -= num;
511 }
512
513 static void parse_env()
514 {
515 /* unset this so we don't pass it on unknowingly */
516 unsetenv("DESKTOP_STARTUP_ID");
517 }
518
519 static void parse_args(gint *argc, gchar **argv)
520 {
521 gint i;
522
523 for (i = 1; i < *argc; ++i) {
524 if (!strcmp(argv[i], "--version")) {
525 print_version();
526 exit(0);
527 }
528 else if (!strcmp(argv[i], "--help")) {
529 print_help();
530 exit(0);
531 }
532 else if (!strcmp(argv[i], "--g-fatal-warnings")) {
533 g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
534 }
535 else if (!strcmp(argv[i], "--replace")) {
536 ob_replace_wm = TRUE;
537 remove_args(argc, argv, i, 1);
538 --i; /* this arg was removed so go back */
539 }
540 else if (!strcmp(argv[i], "--sync")) {
541 xsync = TRUE;
542 }
543 else if (!strcmp(argv[i], "--debug")) {
544 ob_debug_show_output(TRUE);
545 ob_debug_enable(OB_DEBUG_SM, TRUE);
546 ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
547 }
548 else if (!strcmp(argv[i], "--debug-focus")) {
549 ob_debug_show_output(TRUE);
550 ob_debug_enable(OB_DEBUG_SM, TRUE);
551 ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
552 ob_debug_enable(OB_DEBUG_FOCUS, TRUE);
553 }
554 else if (!strcmp(argv[i], "--debug-xinerama")) {
555 ob_debug_xinerama = TRUE;
556 }
557 else if (!strcmp(argv[i], "--reconfigure")) {
558 remote_control = 1;
559 } else if (!strcmp(argv[i], "--restart")) {
560 remote_control = 2;
561 }
562 else if (!strcmp(argv[i], "--sm-save-file")) {
563 if (i == *argc - 1) /* no args left */
564 /* not translated cuz it's sekret */
565 g_printerr("--sm-save-file requires an argument\n");
566 else {
567 ob_sm_save_file = g_strdup(argv[i+1]);
568 remove_args(argc, argv, i, 2);
569 --i; /* this arg was removed so go back */
570 ob_debug_type(OB_DEBUG_SM, "--sm-save-file %s\n",
571 ob_sm_save_file);
572 }
573 }
574 else if (!strcmp(argv[i], "--sm-client-id")) {
575 if (i == *argc - 1) /* no args left */
576 /* not translated cuz it's sekret */
577 g_printerr("--sm-client-id requires an argument\n");
578 else {
579 ob_sm_id = g_strdup(argv[i+1]);
580 remove_args(argc, argv, i, 2);
581 --i; /* this arg was removed so go back */
582 ob_debug_type(OB_DEBUG_SM, "--sm-client-id %s\n", ob_sm_id);
583 }
584 }
585 else if (!strcmp(argv[i], "--sm-disable")) {
586 ob_sm_use = FALSE;
587 }
588 else if (!strcmp(argv[i], "--sm-no-load")) {
589 ob_sm_restore = FALSE;
590 remove_args(argc, argv, i, 1);
591 --i; /* this arg was removed so go back */
592 }
593 else {
594 /* this is a memleak.. oh well.. heh */
595 gchar *err = g_strdup_printf
596 (_("Invalid command line argument '%s'\n"), argv[i]);
597 ob_exit_with_error(err);
598 }
599 }
600 }
601
602 static Cursor load_cursor(const gchar *name, guint fontval)
603 {
604 Cursor c = None;
605
606 #if USE_XCURSOR
607 c = XcursorLibraryLoadCursor(ob_display, name);
608 #endif
609 if (c == None)
610 c = XCreateFontCursor(ob_display, fontval);
611 return c;
612 }
613
614 void ob_exit_with_error(const gchar *msg)
615 {
616 g_message(msg);
617 session_shutdown(TRUE);
618 exit(EXIT_FAILURE);
619 }
620
621 void ob_restart_other(const gchar *path)
622 {
623 restart_path = g_strdup(path);
624 ob_restart();
625 }
626
627 void ob_restart()
628 {
629 restart = TRUE;
630 ob_exit(0);
631 }
632
633 void ob_reconfigure()
634 {
635 reconfigure = TRUE;
636 ob_exit(0);
637 }
638
639 void ob_exit(gint code)
640 {
641 exitcode = code;
642 ob_main_loop_exit(ob_main_loop);
643 }
644
645 void ob_exit_replace()
646 {
647 exitcode = 0;
648 being_replaced = TRUE;
649 ob_main_loop_exit(ob_main_loop);
650 }
651
652 Cursor ob_cursor(ObCursor cursor)
653 {
654 g_assert(cursor < OB_NUM_CURSORS);
655 return cursors[cursor];
656 }
657
658 KeyCode ob_keycode(ObKey key)
659 {
660 g_assert(key < OB_NUM_KEYS);
661 return keys[key];
662 }
663
664 ObState ob_state()
665 {
666 return state;
667 }
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