]> Dogcows Code - chaz/openbox/blob - openbox/openbox.c
Merge branch 'backport' into work
[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 "event.h"
25 #include "menu.h"
26 #include "client.h"
27 #include "screen.h"
28 #include "actions.h"
29 #include "startupnotify.h"
30 #include "focus.h"
31 #include "focus_cycle.h"
32 #include "focus_cycle_indicator.h"
33 #include "focus_cycle_popup.h"
34 #include "moveresize.h"
35 #include "frame.h"
36 #include "framerender.h"
37 #include "keyboard.h"
38 #include "mouse.h"
39 #include "menuframe.h"
40 #include "grab.h"
41 #include "group.h"
42 #include "config.h"
43 #include "ping.h"
44 #include "gettext.h"
45 #include "render/render.h"
46 #include "render/theme.h"
47 #include "obt/display.h"
48 #include "obt/prop.h"
49 #include "obt/keyboard.h"
50 #include "obt/parse.h"
51
52 #ifdef HAVE_FCNTL_H
53 # include <fcntl.h>
54 #endif
55 #ifdef HAVE_SIGNAL_H
56 # include <signal.h>
57 #endif
58 #ifdef HAVE_STDLIB_H
59 # include <stdlib.h>
60 #endif
61 #ifdef HAVE_LOCALE_H
62 # include <locale.h>
63 #endif
64 #ifdef HAVE_SYS_STAT_H
65 # include <sys/stat.h>
66 # include <sys/types.h>
67 #endif
68 #ifdef HAVE_SYS_WAIT_H
69 # include <sys/types.h>
70 # include <sys/wait.h>
71 #endif
72 #ifdef HAVE_UNISTD_H
73 # include <unistd.h>
74 #endif
75 #include <errno.h>
76
77 #include <X11/cursorfont.h>
78 #if USE_XCURSOR
79 #include <X11/Xcursor/Xcursor.h>
80 #endif
81
82 #include <X11/Xlib.h>
83 #include <X11/keysym.h>
84
85 RrInstance *ob_rr_inst;
86 RrTheme *ob_rr_theme;
87 ObtMainLoop *ob_main_loop;
88 gint ob_screen;
89 gboolean ob_replace_wm = FALSE;
90 gboolean ob_sm_use = TRUE;
91 gchar *ob_sm_id = NULL;
92 gchar *ob_sm_save_file = NULL;
93 gboolean ob_sm_restore = TRUE;
94 gboolean ob_debug_xinerama = FALSE;
95
96 static ObState state;
97 static gboolean xsync = FALSE;
98 static gboolean reconfigure = FALSE;
99 static gboolean restart = FALSE;
100 static gchar *restart_path = NULL;
101 static Cursor cursors[OB_NUM_CURSORS];
102 static KeyCode keys[OB_NUM_KEYS];
103 static gint exitcode = 0;
104 static guint remote_control = 0;
105 static gboolean being_replaced = FALSE;
106
107 static void signal_handler(gint signal, gpointer data);
108 static void remove_args(gint *argc, gchar **argv, gint index, gint num);
109 static void parse_env();
110 static void parse_args(gint *argc, gchar **argv);
111 static Cursor load_cursor(const gchar *name, guint fontval);
112
113 gint main(gint argc, gchar **argv)
114 {
115 gchar *program_name;
116
117 state = OB_STATE_STARTING;
118
119 /* initialize the locale */
120 if (!setlocale(LC_ALL, ""))
121 g_message("Couldn't set locale from environment.");
122 bindtextdomain(PACKAGE_NAME, LOCALEDIR);
123 bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
124 textdomain(PACKAGE_NAME);
125
126 if (chdir(g_get_home_dir()) == -1)
127 g_message(_("Unable to change to home directory '%s': %s"),
128 g_get_home_dir(), g_strerror(errno));
129
130 /* parse the command line args, which can change the argv[0] */
131 parse_args(&argc, argv);
132 /* parse the environment variables */
133 parse_env();
134
135 program_name = g_path_get_basename(argv[0]);
136 g_set_prgname(program_name);
137
138 if (!remote_control)
139 session_startup(argc, argv);
140
141 if (!obt_display_open(NULL))
142 ob_exit_with_error(_("Failed to open the display from the DISPLAY environment variable."));
143
144 if (remote_control) {
145 /* Send client message telling the OB process to:
146 * remote_control = 1 -> reconfigure
147 * remote_control = 2 -> restart */
148 OBT_PROP_MSG(ob_screen, obt_root(ob_screen),
149 OB_CONTROL, remote_control, 0, 0, 0, 0);
150 obt_display_close(obt_display);
151 exit(EXIT_SUCCESS);
152 }
153
154 ob_main_loop = obt_main_loop_new();
155
156 /* set up signal handler */
157 obt_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL,NULL);
158 obt_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL,NULL);
159 obt_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL,NULL);
160 obt_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler, NULL,NULL);
161 obt_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL,NULL);
162 obt_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL,NULL);
163 obt_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL,NULL);
164
165 ob_screen = DefaultScreen(obt_display);
166
167 ob_rr_inst = RrInstanceNew(obt_display, ob_screen);
168 if (ob_rr_inst == NULL)
169 ob_exit_with_error(_("Failed to initialize the obrender library."));
170
171 XSynchronize(obt_display, xsync);
172
173 /* check for locale support */
174 if (!XSupportsLocale())
175 g_message(_("X server does not support locale."));
176 if (!XSetLocaleModifiers(""))
177 g_message(_("Cannot set locale modifiers for the X server."));
178
179 /* set the DISPLAY environment variable for any lauched children, to the
180 display we're using, so they open in the right place. */
181 setenv("DISPLAY", DisplayString(obt_display), TRUE);
182
183 /* create available cursors */
184 cursors[OB_CURSOR_NONE] = None;
185 cursors[OB_CURSOR_POINTER] = load_cursor("left_ptr", XC_left_ptr);
186 cursors[OB_CURSOR_BUSYPOINTER] = load_cursor("left_ptr_watch",XC_left_ptr);
187 cursors[OB_CURSOR_BUSY] = load_cursor("watch", XC_watch);
188 cursors[OB_CURSOR_MOVE] = load_cursor("fleur", XC_fleur);
189 cursors[OB_CURSOR_NORTH] = load_cursor("top_side", XC_top_side);
190 cursors[OB_CURSOR_NORTHEAST] = load_cursor("top_right_corner",
191 XC_top_right_corner);
192 cursors[OB_CURSOR_EAST] = load_cursor("right_side", XC_right_side);
193 cursors[OB_CURSOR_SOUTHEAST] = load_cursor("bottom_right_corner",
194 XC_bottom_right_corner);
195 cursors[OB_CURSOR_SOUTH] = load_cursor("bottom_side", XC_bottom_side);
196 cursors[OB_CURSOR_SOUTHWEST] = load_cursor("bottom_left_corner",
197 XC_bottom_left_corner);
198 cursors[OB_CURSOR_WEST] = load_cursor("left_side", XC_left_side);
199 cursors[OB_CURSOR_NORTHWEST] = load_cursor("top_left_corner",
200 XC_top_left_corner);
201
202 if (screen_annex()) { /* it will be ours! */
203 do {
204 if (reconfigure) obt_keyboard_reload();
205
206 /* get the keycodes for keys we use */
207 keys[OB_KEY_RETURN] = obt_keyboard_keysym_to_keycode(XK_Return);
208 keys[OB_KEY_ESCAPE] = obt_keyboard_keysym_to_keycode(XK_Escape);
209 keys[OB_KEY_LEFT] = obt_keyboard_keysym_to_keycode(XK_Left);
210 keys[OB_KEY_RIGHT] = obt_keyboard_keysym_to_keycode(XK_Right);
211 keys[OB_KEY_UP] = obt_keyboard_keysym_to_keycode(XK_Up);
212 keys[OB_KEY_DOWN] = obt_keyboard_keysym_to_keycode(XK_Down);
213
214 {
215 ObtParseInst *i;
216
217 /* startup the parsing so everything can register sections
218 of the rc */
219 i = obt_parse_instance_new();
220
221 /* register all the available actions */
222 actions_startup(reconfigure);
223 /* start up config which sets up with the parser */
224 config_startup(i);
225
226 /* parse/load user options */
227 if (obt_parse_load_config_file(i, "openbox", "rc.xml",
228 "openbox_config"))
229 {
230 obt_parse_tree_from_root(i);
231 obt_parse_close(i);
232 } else
233 g_message(_("Unable to find a valid config file, using some simple defaults"));
234
235 /*
236 if (config_type != NULL)
237 PROP_SETS(obt_root(ob_screen), ob_config, config_type);
238 */
239
240 /* we're done with parsing now, kill it */
241 obt_parse_instance_unref(i);
242 }
243
244 /* load the theme specified in the rc file */
245 {
246 RrTheme *theme;
247 if ((theme = RrThemeNew(ob_rr_inst, config_theme, TRUE,
248 config_font_activewindow,
249 config_font_inactivewindow,
250 config_font_menutitle,
251 config_font_menuitem,
252 config_font_osd)))
253 {
254 RrThemeFree(ob_rr_theme);
255 ob_rr_theme = theme;
256 }
257 if (ob_rr_theme == NULL)
258 ob_exit_with_error(_("Unable to load a theme."));
259
260 OBT_PROP_SETS(obt_root(ob_screen),
261 OB_THEME, utf8, ob_rr_theme->name);
262 }
263
264 if (reconfigure) {
265 GList *it;
266
267 /* update all existing windows for the new theme */
268 for (it = client_list; it; it = g_list_next(it)) {
269 ObClient *c = it->data;
270 frame_adjust_theme(c->frame);
271 }
272 }
273 event_startup(reconfigure);
274 /* focus_backup is used for stacking, so this needs to come before
275 anything that calls stacking_add */
276 sn_startup(reconfigure);
277 window_startup(reconfigure);
278 focus_startup(reconfigure);
279 focus_cycle_startup(reconfigure);
280 focus_cycle_indicator_startup(reconfigure);
281 focus_cycle_popup_startup(reconfigure);
282 screen_startup(reconfigure);
283 grab_startup(reconfigure);
284 group_startup(reconfigure);
285 ping_startup(reconfigure);
286 client_startup(reconfigure);
287 dock_startup(reconfigure);
288 moveresize_startup(reconfigure);
289 keyboard_startup(reconfigure);
290 mouse_startup(reconfigure);
291 menu_frame_startup(reconfigure);
292 menu_startup(reconfigure);
293
294 if (!reconfigure) {
295 guint32 xid;
296 ObWindow *w;
297
298 /* get all the existing windows */
299 client_manage_all();
300 focus_nothing();
301
302 /* focus what was focused if a wm was already running */
303 if (OBT_PROP_GET32(obt_root(ob_screen),
304 NET_ACTIVE_WINDOW, WINDOW, &xid) &&
305 (w = window_find(xid)) && WINDOW_IS_CLIENT(w))
306 {
307 client_focus(WINDOW_AS_CLIENT(w));
308 }
309 } else {
310 GList *it;
311
312 /* redecorate all existing windows */
313 for (it = client_list; it; it = g_list_next(it)) {
314 ObClient *c = it->data;
315
316 /* the new config can change the window's decorations */
317 client_setup_decor_and_functions(c, FALSE);
318 /* redraw the frames */
319 frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
320 /* the decor sizes may have changed, so the windows may
321 end up in new positions */
322 client_reconfigure(c, FALSE);
323 }
324 }
325
326 reconfigure = FALSE;
327
328 state = OB_STATE_RUNNING;
329 obt_main_loop_run(ob_main_loop);
330 state = OB_STATE_EXITING;
331
332 if (!reconfigure) {
333 dock_remove_all();
334 client_unmanage_all();
335 }
336
337 menu_shutdown(reconfigure);
338 menu_frame_shutdown(reconfigure);
339 mouse_shutdown(reconfigure);
340 keyboard_shutdown(reconfigure);
341 moveresize_shutdown(reconfigure);
342 dock_shutdown(reconfigure);
343 client_shutdown(reconfigure);
344 ping_shutdown(reconfigure);
345 group_shutdown(reconfigure);
346 grab_shutdown(reconfigure);
347 screen_shutdown(reconfigure);
348 focus_cycle_popup_shutdown(reconfigure);
349 focus_cycle_indicator_shutdown(reconfigure);
350 focus_cycle_shutdown(reconfigure);
351 focus_shutdown(reconfigure);
352 window_shutdown(reconfigure);
353 sn_shutdown(reconfigure);
354 event_shutdown(reconfigure);
355 config_shutdown();
356 actions_shutdown(reconfigure);
357 } while (reconfigure);
358 }
359
360 XSync(obt_display, FALSE);
361
362 RrThemeFree(ob_rr_theme);
363 RrInstanceFree(ob_rr_inst);
364
365 session_shutdown(being_replaced);
366
367 obt_display_close(obt_display);
368
369 if (restart) {
370 if (restart_path != NULL) {
371 gint argcp;
372 gchar **argvp;
373 GError *err = NULL;
374
375 /* run other window manager */
376 if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
377 execvp(argvp[0], argvp);
378 g_strfreev(argvp);
379 } else {
380 g_message(
381 _("Restart failed to execute new executable '%s': %s"),
382 restart_path, err->message);
383 g_error_free(err);
384 }
385 }
386
387 /* we remove the session arguments from argv, so put them back,
388 also don't restore the session on restart */
389 if (ob_sm_save_file != NULL || ob_sm_id != NULL) {
390 gchar **nargv;
391 gint i, l;
392
393 l = argc + 1 +
394 (ob_sm_save_file != NULL ? 2 : 0) +
395 (ob_sm_id != NULL ? 2 : 0);
396 nargv = g_new0(gchar*, l+1);
397 for (i = 0; i < argc; ++i)
398 nargv[i] = argv[i];
399
400 if (ob_sm_save_file != NULL) {
401 nargv[i++] = g_strdup("--sm-save-file");
402 nargv[i++] = ob_sm_save_file;
403 }
404 if (ob_sm_id != NULL) {
405 nargv[i++] = g_strdup("--sm-client-id");
406 nargv[i++] = ob_sm_id;
407 }
408 nargv[i++] = g_strdup("--sm-no-load");
409 g_assert(i == l);
410 argv = nargv;
411 }
412
413 /* re-run me */
414 execvp(argv[0], argv); /* try how we were run */
415 execlp(argv[0], program_name, (gchar*)NULL); /* last resort */
416 }
417
418 /* free stuff passed in from the command line or environment */
419 g_free(ob_sm_save_file);
420 g_free(ob_sm_id);
421 g_free(program_name);
422
423 return exitcode;
424 }
425
426 static void signal_handler(gint signal, gpointer data)
427 {
428 switch (signal) {
429 case SIGUSR1:
430 ob_debug("Caught signal %d. Restarting.\n", signal);
431 ob_restart();
432 break;
433 case SIGUSR2:
434 ob_debug("Caught signal %d. Reconfiguring.\n", signal);
435 ob_reconfigure();
436 break;
437 case SIGCHLD:
438 /* reap children */
439 while (waitpid(-1, NULL, WNOHANG) > 0);
440 break;
441 default:
442 ob_debug("Caught signal %d. Exiting.\n", signal);
443 /* TERM and INT return a 0 code */
444 ob_exit(!(signal == SIGTERM || signal == SIGINT));
445 }
446 }
447
448 static void print_version()
449 {
450 g_print("Openbox %s\n", PACKAGE_VERSION);
451 g_print(_("Copyright (c)"));
452 g_print(" 2008 Mikael Magnusson\n");
453 g_print(_("Copyright (c)"));
454 g_print(" 2003-2006 Dana Jansens\n\n");
455 g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
456 g_print("This is free software, and you are welcome to redistribute it\n");
457 g_print("under certain conditions. See the file COPYING for details.\n\n");
458 }
459
460 static void print_help()
461 {
462 g_print(_("Syntax: openbox [options]\n"));
463 g_print(_("\nOptions:\n"));
464 g_print(_(" --help Display this help and exit\n"));
465 g_print(_(" --version Display the version and exit\n"));
466 g_print(_(" --replace Replace the currently running window manager\n"));
467 g_print(_(" --sm-disable Disable connection to the session manager\n"));
468 g_print(_("\nPassing messages to a running Openbox instance:\n"));
469 g_print(_(" --reconfigure Reload Openbox's configuration\n"));
470 g_print(_(" --restart Restart Openbox\n"));
471 g_print(_(" --exit Exit Openbox\n"));
472 g_print(_("\nDebugging options:\n"));
473 g_print(_(" --sync Run in synchronous mode\n"));
474 g_print(_(" --debug Display debugging output\n"));
475 g_print(_(" --debug-focus Display debugging output for focus handling\n"));
476 g_print(_(" --debug-xinerama Split the display into fake xinerama screens\n"));
477 g_print(_("\nPlease report bugs at %s\n"), PACKAGE_BUGREPORT);
478 }
479
480 static void remove_args(gint *argc, gchar **argv, gint index, gint num)
481 {
482 gint i;
483
484 for (i = index; i < *argc - num; ++i)
485 argv[i] = argv[i+num];
486 for (; i < *argc; ++i)
487 argv[i] = NULL;
488 *argc -= num;
489 }
490
491 static void parse_env()
492 {
493 /* unset this so we don't pass it on unknowingly */
494 unsetenv("DESKTOP_STARTUP_ID");
495 }
496
497 static void parse_args(gint *argc, gchar **argv)
498 {
499 gint i;
500
501 for (i = 1; i < *argc; ++i) {
502 if (!strcmp(argv[i], "--version")) {
503 print_version();
504 exit(0);
505 }
506 else if (!strcmp(argv[i], "--help")) {
507 print_help();
508 exit(0);
509 }
510 else if (!strcmp(argv[i], "--g-fatal-warnings")) {
511 g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
512 }
513 else if (!strcmp(argv[i], "--replace")) {
514 ob_replace_wm = TRUE;
515 remove_args(argc, argv, i, 1);
516 --i; /* this arg was removed so go back */
517 }
518 else if (!strcmp(argv[i], "--sync")) {
519 xsync = TRUE;
520 }
521 else if (!strcmp(argv[i], "--debug")) {
522 ob_debug_show_output(TRUE);
523 ob_debug_enable(OB_DEBUG_SM, TRUE);
524 ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
525 }
526 else if (!strcmp(argv[i], "--debug-focus")) {
527 ob_debug_show_output(TRUE);
528 ob_debug_enable(OB_DEBUG_SM, TRUE);
529 ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
530 ob_debug_enable(OB_DEBUG_FOCUS, TRUE);
531 }
532 else if (!strcmp(argv[i], "--debug-xinerama")) {
533 ob_debug_xinerama = TRUE;
534 }
535 else if (!strcmp(argv[i], "--reconfigure")) {
536 remote_control = 1;
537 }
538 else if (!strcmp(argv[i], "--restart")) {
539 remote_control = 2;
540 }
541 else if (!strcmp(argv[i], "--exit")) {
542 remote_control = 3;
543 }
544 else if (!strcmp(argv[i], "--sm-save-file")) {
545 if (i == *argc - 1) /* no args left */
546 /* not translated cuz it's sekret */
547 g_printerr("--sm-save-file requires an argument\n");
548 else {
549 ob_sm_save_file = g_strdup(argv[i+1]);
550 remove_args(argc, argv, i, 2);
551 --i; /* this arg was removed so go back */
552 ob_debug_type(OB_DEBUG_SM, "--sm-save-file %s\n",
553 ob_sm_save_file);
554 }
555 }
556 else if (!strcmp(argv[i], "--sm-client-id")) {
557 if (i == *argc - 1) /* no args left */
558 /* not translated cuz it's sekret */
559 g_printerr("--sm-client-id requires an argument\n");
560 else {
561 ob_sm_id = g_strdup(argv[i+1]);
562 remove_args(argc, argv, i, 2);
563 --i; /* this arg was removed so go back */
564 ob_debug_type(OB_DEBUG_SM, "--sm-client-id %s\n", ob_sm_id);
565 }
566 }
567 else if (!strcmp(argv[i], "--sm-disable")) {
568 ob_sm_use = FALSE;
569 }
570 else if (!strcmp(argv[i], "--sm-no-load")) {
571 ob_sm_restore = FALSE;
572 remove_args(argc, argv, i, 1);
573 --i; /* this arg was removed so go back */
574 }
575 else {
576 /* this is a memleak.. oh well.. heh */
577 gchar *err = g_strdup_printf
578 (_("Invalid command line argument '%s'\n"), argv[i]);
579 ob_exit_with_error(err);
580 }
581 }
582 }
583
584 static Cursor load_cursor(const gchar *name, guint fontval)
585 {
586 Cursor c = None;
587
588 #if USE_XCURSOR
589 c = XcursorLibraryLoadCursor(obt_display, name);
590 #endif
591 if (c == None)
592 c = XCreateFontCursor(obt_display, fontval);
593 return c;
594 }
595
596 void ob_exit_with_error(const gchar *msg)
597 {
598 g_message(msg);
599 session_shutdown(TRUE);
600 exit(EXIT_FAILURE);
601 }
602
603 void ob_restart_other(const gchar *path)
604 {
605 restart_path = g_strdup(path);
606 ob_restart();
607 }
608
609 void ob_restart()
610 {
611 restart = TRUE;
612 ob_exit(0);
613 }
614
615 void ob_reconfigure()
616 {
617 reconfigure = TRUE;
618 ob_exit(0);
619 }
620
621 void ob_exit(gint code)
622 {
623 exitcode = code;
624 obt_main_loop_exit(ob_main_loop);
625 }
626
627 void ob_exit_replace()
628 {
629 exitcode = 0;
630 being_replaced = TRUE;
631 obt_main_loop_exit(ob_main_loop);
632 }
633
634 Cursor ob_cursor(ObCursor cursor)
635 {
636 g_assert(cursor < OB_NUM_CURSORS);
637 return cursors[cursor];
638 }
639
640 KeyCode ob_keycode(ObKey key)
641 {
642 g_assert(key < OB_NUM_KEYS);
643 return keys[key];
644 }
645
646 ObState ob_state()
647 {
648 return state;
649 }
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