]> Dogcows Code - chaz/openbox/blob - openbox/openbox.c
move the xerror handling into the libobt
[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 "prop.h"
29 #include "screen.h"
30 #include "actions.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 "frame.h"
38 #include "keyboard.h"
39 #include "mouse.h"
40 #include "extensions.h"
41 #include "menuframe.h"
42 #include "grab.h"
43 #include "group.h"
44 #include "config.h"
45 #include "ping.h"
46 #include "mainloop.h"
47 #include "gettext.h"
48 #include "parser/parse.h"
49 #include "render/render.h"
50 #include "render/theme.h"
51 #include "obt/display.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 RrInstance *ob_rr_inst;
87 RrTheme *ob_rr_theme;
88 ObtMainLoop *ob_main_loop;
89 Display *ob_display;
90 gint ob_screen;
91 gboolean ob_replace_wm = FALSE;
92 gboolean ob_sm_use = TRUE;
93 gchar *ob_sm_id = NULL;
94 gchar *ob_sm_save_file = NULL;
95 gboolean ob_sm_restore = TRUE;
96 gboolean ob_debug_xinerama = FALSE;
97
98 static ObState state;
99 static gboolean xsync = FALSE;
100 static gboolean reconfigure = FALSE;
101 static gboolean restart = FALSE;
102 static gchar *restart_path = NULL;
103 static Cursor cursors[OB_NUM_CURSORS];
104 static KeyCode keys[OB_NUM_KEYS];
105 static gint exitcode = 0;
106 static guint remote_control = 0;
107 static gboolean being_replaced = FALSE;
108
109 static void signal_handler(gint signal, gpointer data);
110 static void remove_args(gint *argc, gchar **argv, gint index, gint num);
111 static void parse_env();
112 static void parse_args(gint *argc, gchar **argv);
113 static Cursor load_cursor(const gchar *name, guint fontval);
114
115 gint main(gint argc, gchar **argv)
116 {
117 gchar *program_name;
118
119 state = OB_STATE_STARTING;
120
121 /* initialize the locale */
122 if (!setlocale(LC_ALL, ""))
123 g_message("Couldn't set locale from environment.");
124 bindtextdomain(PACKAGE_NAME, LOCALEDIR);
125 bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
126 textdomain(PACKAGE_NAME);
127
128 if (chdir(g_get_home_dir()) == -1)
129 g_message(_("Unable to change to home directory '%s': %s"),
130 g_get_home_dir(), g_strerror(errno));
131
132 /* parse the command line args, which can change the argv[0] */
133 parse_args(&argc, argv);
134 /* parse the environment variables */
135 parse_env();
136
137 program_name = g_path_get_basename(argv[0]);
138 g_set_prgname(program_name);
139
140 if (!remote_control) {
141 parse_paths_startup();
142
143 session_startup(argc, argv);
144 }
145
146 ob_display = obt_display_open(NULL);
147 if (ob_display == NULL)
148 ob_exit_with_error(_("Failed to open the display from the DISPLAY environment variable."));
149
150 if (remote_control) {
151 prop_startup();
152
153 /* Send client message telling the OB process to:
154 * remote_control = 1 -> reconfigure
155 * remote_control = 2 -> restart */
156 PROP_MSG(RootWindow(ob_display, ob_screen),
157 ob_control, remote_control, 0, 0, 0);
158 obt_display_close(ob_display);
159 exit(EXIT_SUCCESS);
160 }
161
162 ob_main_loop = obt_main_loop_new(ob_display);
163
164 /* set up signal handler */
165 obt_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL,NULL);
166 obt_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL,NULL);
167 obt_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL,NULL);
168 obt_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler, NULL,NULL);
169 obt_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL,NULL);
170 obt_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL,NULL);
171 obt_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL,NULL);
172
173 ob_screen = DefaultScreen(ob_display);
174
175 ob_rr_inst = RrInstanceNew(ob_display, ob_screen);
176 if (ob_rr_inst == NULL)
177 ob_exit_with_error(_("Failed to initialize the obrender library."));
178
179 XSynchronize(ob_display, xsync);
180
181 /* check for locale support */
182 if (!XSupportsLocale())
183 g_message(_("X server does not support locale."));
184 if (!XSetLocaleModifiers(""))
185 g_message(_("Cannot set locale modifiers for the X server."));
186
187 /* set the DISPLAY environment variable for any lauched children, to the
188 display we're using, so they open in the right place. */
189 putenv(g_strdup_printf("DISPLAY=%s", DisplayString(ob_display)));
190
191 /* create available cursors */
192 cursors[OB_CURSOR_NONE] = None;
193 cursors[OB_CURSOR_POINTER] = load_cursor("left_ptr", XC_left_ptr);
194 cursors[OB_CURSOR_BUSYPOINTER] = load_cursor("left_ptr_watch",XC_left_ptr);
195 cursors[OB_CURSOR_BUSY] = load_cursor("watch", XC_watch);
196 cursors[OB_CURSOR_MOVE] = load_cursor("fleur", XC_fleur);
197 cursors[OB_CURSOR_NORTH] = load_cursor("top_side", XC_top_side);
198 cursors[OB_CURSOR_NORTHEAST] = load_cursor("top_right_corner",
199 XC_top_right_corner);
200 cursors[OB_CURSOR_EAST] = load_cursor("right_side", XC_right_side);
201 cursors[OB_CURSOR_SOUTHEAST] = load_cursor("bottom_right_corner",
202 XC_bottom_right_corner);
203 cursors[OB_CURSOR_SOUTH] = load_cursor("bottom_side", XC_bottom_side);
204 cursors[OB_CURSOR_SOUTHWEST] = load_cursor("bottom_left_corner",
205 XC_bottom_left_corner);
206 cursors[OB_CURSOR_WEST] = load_cursor("left_side", XC_left_side);
207 cursors[OB_CURSOR_NORTHWEST] = load_cursor("top_left_corner",
208 XC_top_left_corner);
209
210
211 prop_startup(); /* get atoms values for the display */
212 extensions_query_all(); /* find which extensions are present */
213
214 if (screen_annex()) { /* it will be ours! */
215 do {
216 modkeys_startup(reconfigure);
217
218 /* get the keycodes for keys we use */
219 keys[OB_KEY_RETURN] = modkeys_sym_to_code(XK_Return);
220 keys[OB_KEY_ESCAPE] = modkeys_sym_to_code(XK_Escape);
221 keys[OB_KEY_LEFT] = modkeys_sym_to_code(XK_Left);
222 keys[OB_KEY_RIGHT] = modkeys_sym_to_code(XK_Right);
223 keys[OB_KEY_UP] = modkeys_sym_to_code(XK_Up);
224 keys[OB_KEY_DOWN] = modkeys_sym_to_code(XK_Down);
225
226 {
227 ObParseInst *i;
228 xmlDocPtr doc;
229 xmlNodePtr node;
230
231 /* startup the parsing so everything can register sections
232 of the rc */
233 i = parse_startup();
234
235 /* register all the available actions */
236 actions_startup(reconfigure);
237 /* start up config which sets up with the parser */
238 config_startup(i);
239
240 /* parse/load user options */
241 if (parse_load_rc(NULL, &doc, &node)) {
242 parse_tree(i, doc, node->xmlChildrenNode);
243 parse_close(doc);
244 } else
245 g_message(_("Unable to find a valid config file, using some simple defaults"));
246
247 /*
248 if (config_type != NULL)
249 PROP_SETS(RootWindow(ob_display, ob_screen),
250 ob_config, config_type);
251 */
252
253 /* we're done with parsing now, kill it */
254 parse_shutdown(i);
255 }
256
257 /* load the theme specified in the rc file */
258 {
259 RrTheme *theme;
260 if ((theme = RrThemeNew(ob_rr_inst, config_theme, TRUE,
261 config_font_activewindow,
262 config_font_inactivewindow,
263 config_font_menutitle,
264 config_font_menuitem,
265 config_font_osd)))
266 {
267 RrThemeFree(ob_rr_theme);
268 ob_rr_theme = theme;
269 }
270 if (ob_rr_theme == NULL)
271 ob_exit_with_error(_("Unable to load a theme."));
272
273 PROP_SETS(RootWindow(ob_display, ob_screen),
274 ob_theme, ob_rr_theme->name);
275 }
276
277 if (reconfigure) {
278 GList *it;
279
280 /* update all existing windows for the new theme */
281 for (it = client_list; it; it = g_list_next(it)) {
282 ObClient *c = it->data;
283 frame_adjust_theme(c->frame);
284 }
285 }
286 event_startup(reconfigure);
287 /* focus_backup is used for stacking, so this needs to come before
288 anything that calls stacking_add */
289 sn_startup(reconfigure);
290 window_startup(reconfigure);
291 focus_startup(reconfigure);
292 focus_cycle_startup(reconfigure);
293 focus_cycle_indicator_startup(reconfigure);
294 focus_cycle_popup_startup(reconfigure);
295 screen_startup(reconfigure);
296 grab_startup(reconfigure);
297 group_startup(reconfigure);
298 ping_startup(reconfigure);
299 client_startup(reconfigure);
300 dock_startup(reconfigure);
301 moveresize_startup(reconfigure);
302 keyboard_startup(reconfigure);
303 mouse_startup(reconfigure);
304 menu_frame_startup(reconfigure);
305 menu_startup(reconfigure);
306
307 if (!reconfigure) {
308 guint32 xid;
309 ObWindow *w;
310
311 /* get all the existing windows */
312 client_manage_all();
313 focus_nothing();
314
315 /* focus what was focused if a wm was already running */
316 if (PROP_GET32(RootWindow(ob_display, ob_screen),
317 net_active_window, window, &xid) &&
318 (w = g_hash_table_lookup(window_map, &xid)) &&
319 WINDOW_IS_CLIENT(w))
320 {
321 client_focus(WINDOW_AS_CLIENT(w));
322 }
323 } else {
324 GList *it;
325
326 /* redecorate all existing windows */
327 for (it = client_list; it; it = g_list_next(it)) {
328 ObClient *c = it->data;
329
330 /* the new config can change the window's decorations */
331 client_setup_decor_and_functions(c, FALSE);
332 /* redraw the frames */
333 frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
334 /* the decor sizes may have changed, so the windows may
335 end up in new positions */
336 client_reconfigure(c, FALSE);
337 }
338 }
339
340 reconfigure = FALSE;
341
342 state = OB_STATE_RUNNING;
343 obt_main_loop_run(ob_main_loop);
344 state = OB_STATE_EXITING;
345
346 if (!reconfigure) {
347 dock_remove_all();
348 client_unmanage_all();
349 }
350
351 menu_shutdown(reconfigure);
352 menu_frame_shutdown(reconfigure);
353 mouse_shutdown(reconfigure);
354 keyboard_shutdown(reconfigure);
355 moveresize_shutdown(reconfigure);
356 dock_shutdown(reconfigure);
357 client_shutdown(reconfigure);
358 ping_shutdown(reconfigure);
359 group_shutdown(reconfigure);
360 grab_shutdown(reconfigure);
361 screen_shutdown(reconfigure);
362 focus_cycle_popup_shutdown(reconfigure);
363 focus_cycle_indicator_shutdown(reconfigure);
364 focus_cycle_shutdown(reconfigure);
365 focus_shutdown(reconfigure);
366 window_shutdown(reconfigure);
367 sn_shutdown(reconfigure);
368 event_shutdown(reconfigure);
369 config_shutdown();
370 actions_shutdown(reconfigure);
371 modkeys_shutdown(reconfigure);
372 } while (reconfigure);
373 }
374
375 XSync(ob_display, FALSE);
376
377 RrThemeFree(ob_rr_theme);
378 RrInstanceFree(ob_rr_inst);
379
380 session_shutdown(being_replaced);
381
382 obt_display_close(ob_display);
383
384 parse_paths_shutdown();
385
386 if (restart) {
387 if (restart_path != NULL) {
388 gint argcp;
389 gchar **argvp;
390 GError *err = NULL;
391
392 /* run other window manager */
393 if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
394 execvp(argvp[0], argvp);
395 g_strfreev(argvp);
396 } else {
397 g_message(
398 _("Restart failed to execute new executable '%s': %s"),
399 restart_path, err->message);
400 g_error_free(err);
401 }
402 }
403
404 /* we remove the session arguments from argv, so put them back,
405 also don't restore the session on restart */
406 if (ob_sm_save_file != NULL || ob_sm_id != NULL) {
407 gchar **nargv;
408 gint i, l;
409
410 l = argc + 1 +
411 (ob_sm_save_file != NULL ? 2 : 0) +
412 (ob_sm_id != NULL ? 2 : 0);
413 nargv = g_new0(gchar*, l+1);
414 for (i = 0; i < argc; ++i)
415 nargv[i] = argv[i];
416
417 if (ob_sm_save_file != NULL) {
418 nargv[i++] = g_strdup("--sm-save-file");
419 nargv[i++] = ob_sm_save_file;
420 }
421 if (ob_sm_id != NULL) {
422 nargv[i++] = g_strdup("--sm-client-id");
423 nargv[i++] = ob_sm_id;
424 }
425 nargv[i++] = g_strdup("--sm-no-load");
426 g_assert(i == l);
427 argv = nargv;
428 }
429
430 /* re-run me */
431 execvp(argv[0], argv); /* try how we were run */
432 execlp(argv[0], program_name, (gchar*)NULL); /* last resort */
433 }
434
435 /* free stuff passed in from the command line or environment */
436 g_free(ob_sm_save_file);
437 g_free(ob_sm_id);
438 g_free(program_name);
439
440 return exitcode;
441 }
442
443 static void signal_handler(gint signal, gpointer data)
444 {
445 switch (signal) {
446 case SIGUSR1:
447 ob_debug("Caught signal %d. Restarting.\n", signal);
448 ob_restart();
449 break;
450 case SIGUSR2:
451 ob_debug("Caught signal %d. Reconfiguring.\n", signal);
452 ob_reconfigure();
453 break;
454 case SIGCHLD:
455 /* reap children */
456 while (waitpid(-1, NULL, WNOHANG) > 0);
457 break;
458 default:
459 ob_debug("Caught signal %d. Exiting.\n", signal);
460 /* TERM and INT return a 0 code */
461 ob_exit(!(signal == SIGTERM || signal == SIGINT));
462 }
463 }
464
465 static void print_version()
466 {
467 g_print("Openbox %s\n", PACKAGE_VERSION);
468 g_print(_("Copyright (c)"));
469 g_print(" 2008 Mikael Magnusson\n");
470 g_print(_("Copyright (c)"));
471 g_print(" 2003-2006 Dana Jansens\n\n");
472 g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
473 g_print("This is free software, and you are welcome to redistribute it\n");
474 g_print("under certain conditions. See the file COPYING for details.\n\n");
475 }
476
477 static void print_help()
478 {
479 g_print(_("Syntax: openbox [options]\n"));
480 g_print(_("\nOptions:\n"));
481 g_print(_(" --help Display this help and exit\n"));
482 g_print(_(" --version Display the version and exit\n"));
483 g_print(_(" --replace Replace the currently running window manager\n"));
484 g_print(_(" --sm-disable Disable connection to the session manager\n"));
485 g_print(_("\nPassing messages to a running Openbox instance:\n"));
486 g_print(_(" --reconfigure Reload Openbox's configuration\n"));
487 g_print(_(" --restart Restart Openbox\n"));
488 g_print(_(" --exit Exit Openbox\n"));
489 g_print(_("\nDebugging options:\n"));
490 g_print(_(" --sync Run in synchronous mode\n"));
491 g_print(_(" --debug Display debugging output\n"));
492 g_print(_(" --debug-focus Display debugging output for focus handling\n"));
493 g_print(_(" --debug-xinerama Split the display into fake xinerama screens\n"));
494 g_print(_("\nPlease report bugs at %s\n"), PACKAGE_BUGREPORT);
495 }
496
497 static void remove_args(gint *argc, gchar **argv, gint index, gint num)
498 {
499 gint i;
500
501 for (i = index; i < *argc - num; ++i)
502 argv[i] = argv[i+num];
503 for (; i < *argc; ++i)
504 argv[i] = NULL;
505 *argc -= num;
506 }
507
508 static void parse_env()
509 {
510 /* unset this so we don't pass it on unknowingly */
511 gchar *s = g_strdup("DESKTOP_STARTUP_ID");
512 putenv(s);
513 g_free(s);
514 }
515
516 static void parse_args(gint *argc, gchar **argv)
517 {
518 gint i;
519
520 for (i = 1; i < *argc; ++i) {
521 if (!strcmp(argv[i], "--version")) {
522 print_version();
523 exit(0);
524 }
525 else if (!strcmp(argv[i], "--help")) {
526 print_help();
527 exit(0);
528 }
529 else if (!strcmp(argv[i], "--g-fatal-warnings")) {
530 g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
531 }
532 else if (!strcmp(argv[i], "--replace")) {
533 ob_replace_wm = TRUE;
534 remove_args(argc, argv, i, 1);
535 --i; /* this arg was removed so go back */
536 }
537 else if (!strcmp(argv[i], "--sync")) {
538 xsync = TRUE;
539 }
540 else if (!strcmp(argv[i], "--debug")) {
541 ob_debug_show_output(TRUE);
542 ob_debug_enable(OB_DEBUG_SM, TRUE);
543 ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
544 }
545 else if (!strcmp(argv[i], "--debug-focus")) {
546 ob_debug_show_output(TRUE);
547 ob_debug_enable(OB_DEBUG_SM, TRUE);
548 ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
549 ob_debug_enable(OB_DEBUG_FOCUS, TRUE);
550 }
551 else if (!strcmp(argv[i], "--debug-xinerama")) {
552 ob_debug_xinerama = TRUE;
553 }
554 else if (!strcmp(argv[i], "--reconfigure")) {
555 remote_control = 1;
556 }
557 else if (!strcmp(argv[i], "--restart")) {
558 remote_control = 2;
559 }
560 else if (!strcmp(argv[i], "--exit")) {
561 remote_control = 3;
562 }
563 else if (!strcmp(argv[i], "--sm-save-file")) {
564 if (i == *argc - 1) /* no args left */
565 /* not translated cuz it's sekret */
566 g_printerr("--sm-save-file requires an argument\n");
567 else {
568 ob_sm_save_file = g_strdup(argv[i+1]);
569 remove_args(argc, argv, i, 2);
570 --i; /* this arg was removed so go back */
571 ob_debug_type(OB_DEBUG_SM, "--sm-save-file %s\n",
572 ob_sm_save_file);
573 }
574 }
575 else if (!strcmp(argv[i], "--sm-client-id")) {
576 if (i == *argc - 1) /* no args left */
577 /* not translated cuz it's sekret */
578 g_printerr("--sm-client-id requires an argument\n");
579 else {
580 ob_sm_id = g_strdup(argv[i+1]);
581 remove_args(argc, argv, i, 2);
582 --i; /* this arg was removed so go back */
583 ob_debug_type(OB_DEBUG_SM, "--sm-client-id %s\n", ob_sm_id);
584 }
585 }
586 else if (!strcmp(argv[i], "--sm-disable")) {
587 ob_sm_use = FALSE;
588 }
589 else if (!strcmp(argv[i], "--sm-no-load")) {
590 ob_sm_restore = FALSE;
591 remove_args(argc, argv, i, 1);
592 --i; /* this arg was removed so go back */
593 }
594 else {
595 /* this is a memleak.. oh well.. heh */
596 gchar *err = g_strdup_printf
597 (_("Invalid command line argument '%s'\n"), argv[i]);
598 ob_exit_with_error(err);
599 }
600 }
601 }
602
603 static Cursor load_cursor(const gchar *name, guint fontval)
604 {
605 Cursor c = None;
606
607 #if USE_XCURSOR
608 c = XcursorLibraryLoadCursor(ob_display, name);
609 #endif
610 if (c == None)
611 c = XCreateFontCursor(ob_display, fontval);
612 return c;
613 }
614
615 void ob_exit_with_error(const gchar *msg)
616 {
617 g_message(msg);
618 session_shutdown(TRUE);
619 exit(EXIT_FAILURE);
620 }
621
622 void ob_restart_other(const gchar *path)
623 {
624 restart_path = g_strdup(path);
625 ob_restart();
626 }
627
628 void ob_restart()
629 {
630 restart = TRUE;
631 ob_exit(0);
632 }
633
634 void ob_reconfigure()
635 {
636 reconfigure = TRUE;
637 ob_exit(0);
638 }
639
640 void ob_exit(gint code)
641 {
642 exitcode = code;
643 obt_main_loop_exit(ob_main_loop);
644 }
645
646 void ob_exit_replace()
647 {
648 exitcode = 0;
649 being_replaced = TRUE;
650 obt_main_loop_exit(ob_main_loop);
651 }
652
653 Cursor ob_cursor(ObCursor cursor)
654 {
655 g_assert(cursor < OB_NUM_CURSORS);
656 return cursors[cursor];
657 }
658
659 KeyCode ob_keycode(ObKey key)
660 {
661 g_assert(key < OB_NUM_KEYS);
662 return keys[key];
663 }
664
665 ObState ob_state()
666 {
667 return state;
668 }
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