1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 openbox.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003-2007 Dana Jansens
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.
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.
17 See the COPYING file for a copy of the GNU General Public License.
31 #include "startupnotify.h"
33 #include "moveresize.h"
37 #include "extensions.h"
38 #include "menuframe.h"
44 #include "parser/parse.h"
45 #include "render/render.h"
46 #include "render/theme.h"
60 #ifdef HAVE_SYS_STAT_H
61 # include <sys/stat.h>
62 # include <sys/types.h>
64 #ifdef HAVE_SYS_WAIT_H
65 # include <sys/types.h>
66 # include <sys/wait.h>
73 #include <X11/cursorfont.h>
75 #include <X11/Xcursor/Xcursor.h>
78 RrInstance *ob_rr_inst;
80 ObMainLoop *ob_main_loop;
83 gboolean ob_replace_wm = FALSE;
84 gboolean ob_sm_use = TRUE;
85 gchar *ob_sm_id = NULL;
86 gchar *ob_sm_save_file = NULL;
89 static gboolean xsync = FALSE;
90 static gboolean reconfigure = FALSE;
91 static gboolean restart = FALSE;
92 static gchar *restart_path = NULL;
93 static Cursor cursors[OB_NUM_CURSORS];
94 static KeyCode keys[OB_NUM_KEYS];
95 static gint exitcode = 0;
96 static guint remote_control = 0;
97 static gboolean being_replaced = FALSE;
98 static gchar *config_type = NULL;
99 static pid_t reconfigure_notify = 0;
101 static void signal_handler(gint signal, gpointer data);
102 static void parse_env(char **argv0);
103 static void remove_args(gint *argc, gchar **argv, gint index, gint num);
104 static void parse_args(gint *argc, gchar **argv);
105 static Cursor load_cursor(const gchar *name, guint fontval);
107 gint main(gint argc, gchar **argv)
111 state = OB_STATE_STARTING;
113 /* initialize the locale */
114 if (!setlocale(LC_ALL, ""))
115 g_message("Couldn't set locale from environment.");
116 bindtextdomain(PACKAGE_NAME, LOCALEDIR);
117 bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
118 textdomain(PACKAGE_NAME);
120 if (chdir(g_get_home_dir()) == -1)
121 g_message(_("Unable to change to home directory '%s': %s"),
122 g_get_home_dir(), g_strerror(errno));
124 /* parse the environment first, it can change the argv[0] */
127 program_name = g_path_get_basename(argv[0]);
128 g_set_prgname(program_name);
130 /* parse the command line args */
131 parse_args(&argc, argv);
133 if (!remote_control) {
134 parse_paths_startup();
136 session_startup(argc, argv);
140 ob_display = XOpenDisplay(NULL);
141 if (ob_display == NULL)
142 ob_exit_with_error("Failed to open the display.");
143 if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1)
144 ob_exit_with_error("Failed to set display as close-on-exec.");
146 if (remote_control) {
149 /* Send client message telling the OB process to:
150 * remote_control = 1 -> reconfigure
151 * remote_control = 2 -> restart */
152 PROP_MSG(RootWindow(ob_display, ob_screen),
153 openbox_control, remote_control, 0, 0, 0);
154 XCloseDisplay(ob_display);
158 ob_main_loop = ob_main_loop_new(ob_display);
160 /* set up signal handler */
161 ob_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL, NULL);
162 ob_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL, NULL);
163 ob_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL, NULL);
164 ob_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler, NULL, NULL);
165 ob_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL, NULL);
166 ob_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL, NULL);
167 ob_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL, NULL);
169 ob_screen = DefaultScreen(ob_display);
171 ob_rr_inst = RrInstanceNew(ob_display, ob_screen);
172 if (ob_rr_inst == NULL)
173 ob_exit_with_error("Failed to initialize the render library.");
175 XSynchronize(ob_display, xsync);
177 /* check for locale support */
178 if (!XSupportsLocale())
179 g_message(_("X server does not support locale."));
180 if (!XSetLocaleModifiers(""))
181 g_message(_("Cannot set locale modifiers for the X server."));
183 /* set our error handler */
184 XSetErrorHandler(xerror_handler);
186 /* set the DISPLAY environment variable for any lauched children, to the
187 display we're using, so they open in the right place. */
188 putenv(g_strdup_printf("DISPLAY=%s", DisplayString(ob_display)));
190 /* create available cursors */
191 cursors[OB_CURSOR_NONE] = None;
192 cursors[OB_CURSOR_POINTER] = load_cursor("left_ptr", XC_left_ptr);
193 cursors[OB_CURSOR_BUSY] = load_cursor("left_ptr_watch", XC_watch);
194 cursors[OB_CURSOR_MOVE] = load_cursor("fleur", XC_fleur);
195 cursors[OB_CURSOR_NORTH] = load_cursor("top_side", XC_top_side);
196 cursors[OB_CURSOR_NORTHEAST] = load_cursor("top_right_corner",
197 XC_top_right_corner);
198 cursors[OB_CURSOR_EAST] = load_cursor("right_side", XC_right_side);
199 cursors[OB_CURSOR_SOUTHEAST] = load_cursor("bottom_right_corner",
200 XC_bottom_right_corner);
201 cursors[OB_CURSOR_SOUTH] = load_cursor("bottom_side", XC_bottom_side);
202 cursors[OB_CURSOR_SOUTHWEST] = load_cursor("bottom_left_corner",
203 XC_bottom_left_corner);
204 cursors[OB_CURSOR_WEST] = load_cursor("left_side", XC_left_side);
205 cursors[OB_CURSOR_NORTHWEST] = load_cursor("top_left_corner",
208 /* create available keycodes */
209 keys[OB_KEY_RETURN] =
210 XKeysymToKeycode(ob_display, XStringToKeysym("Return"));
211 keys[OB_KEY_ESCAPE] =
212 XKeysymToKeycode(ob_display, XStringToKeysym("Escape"));
214 XKeysymToKeycode(ob_display, XStringToKeysym("Left"));
216 XKeysymToKeycode(ob_display, XStringToKeysym("Right"));
218 XKeysymToKeycode(ob_display, XStringToKeysym("Up"));
220 XKeysymToKeycode(ob_display, XStringToKeysym("Down"));
222 prop_startup(); /* get atoms values for the display */
223 extensions_query_all(); /* find which extensions are present */
225 if (screen_annex(program_name)) { /* it will be ours! */
232 modkeys_startup(reconfigure);
234 /* startup the parsing so everything can register sections
238 /* start up config which sets up with the parser */
241 /* parse/load user options */
242 if (parse_load_rc(config_type, &doc, &node)) {
243 parse_tree(i, doc, node->xmlChildrenNode);
246 g_message(_("Unable to find a valid config file, using some simple defaults"));
248 if (config_type != NULL)
249 PROP_SETS(RootWindow(ob_display, ob_screen),
250 openbox_config, config_type);
252 /* we're done with parsing now, kill it */
256 /* load the theme specified in the rc file */
259 if ((theme = RrThemeNew(ob_rr_inst, config_theme,
260 config_font_activewindow,
261 config_font_inactivewindow,
262 config_font_menutitle,
263 config_font_menuitem,
266 RrThemeFree(ob_rr_theme);
269 if (ob_rr_theme == NULL)
270 ob_exit_with_error("Unable to load a theme.");
276 /* update all existing windows for the new theme */
277 for (it = client_list; it; it = g_list_next(it)) {
278 ObClient *c = it->data;
279 frame_adjust_theme(c->frame);
282 event_startup(reconfigure);
283 /* focus_backup is used for stacking, so this needs to come before
284 anything that calls stacking_add */
285 focus_startup(reconfigure);
286 window_startup(reconfigure);
287 sn_startup(reconfigure);
288 screen_startup(reconfigure);
289 grab_startup(reconfigure);
290 group_startup(reconfigure);
291 client_startup(reconfigure);
292 dock_startup(reconfigure);
293 moveresize_startup(reconfigure);
294 keyboard_startup(reconfigure);
295 mouse_startup(reconfigure);
296 menu_startup(reconfigure);
297 menu_frame_startup(reconfigure);
303 /* get all the existing windows */
307 /* focus what was focused if a wm was already running */
308 if (PROP_GET32(RootWindow(ob_display, ob_screen),
309 net_active_window, window, &xid) &&
310 (w = g_hash_table_lookup(window_map, &xid)) &&
313 client_focus(WINDOW_AS_CLIENT(w));
318 /* redecorate all existing windows */
319 for (it = client_list; it; it = g_list_next(it)) {
320 ObClient *c = it->data;
321 /* the new config can change the window's decorations */
322 client_setup_decor_and_functions(c);
323 /* redraw the frames */
324 frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
330 state = OB_STATE_RUNNING;
331 ob_main_loop_run(ob_main_loop);
332 state = OB_STATE_EXITING;
336 client_unmanage_all();
339 menu_frame_shutdown(reconfigure);
340 menu_shutdown(reconfigure);
341 mouse_shutdown(reconfigure);
342 keyboard_shutdown(reconfigure);
343 moveresize_shutdown(reconfigure);
344 dock_shutdown(reconfigure);
345 client_shutdown(reconfigure);
346 group_shutdown(reconfigure);
347 grab_shutdown(reconfigure);
348 screen_shutdown(reconfigure);
349 focus_shutdown(reconfigure);
350 sn_shutdown(reconfigure);
351 window_shutdown(reconfigure);
352 event_shutdown(reconfigure);
354 modkeys_shutdown(reconfigure);
355 } while (reconfigure);
358 XSync(ob_display, FALSE);
360 RrThemeFree(ob_rr_theme);
361 RrInstanceFree(ob_rr_inst);
363 session_shutdown(being_replaced);
365 XCloseDisplay(ob_display);
367 parse_paths_shutdown();
370 if (restart_path != NULL) {
375 /* run other window manager */
376 if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
377 execvp(argvp[0], argvp);
381 _("Restart failed to execute new executable '%s': %s"),
382 restart_path, err->message);
387 /* we remove the session arguments from argv, so put them back */
388 if (ob_sm_save_file != NULL || ob_sm_id != NULL) {
393 (ob_sm_save_file != NULL ? 2 : 0) +
394 (ob_sm_id != NULL ? 2 : 0);
395 nargv = g_new0(gchar*, l+1);
396 for (i = 0; i < argc; ++i)
399 if (ob_sm_save_file != NULL) {
400 nargv[i++] = g_strdup("--sm-save-file");
401 nargv[i++] = ob_sm_save_file;
403 if (ob_sm_id != NULL) {
404 nargv[i++] = g_strdup("--sm-client-id");
405 nargv[i++] = ob_sm_id;
412 execvp(argv[0], argv); /* try how we were run */
413 execlp(argv[0], program_name, (gchar*)NULL); /* last resort */
416 /* free stuff passed in from the command line or environment */
417 g_free(ob_sm_save_file);
420 g_free(program_name);
425 static void signal_handler(gint signal, gpointer data)
429 ob_debug("Caught signal %d. Restarting.\n", signal);
433 ob_debug("Caught signal %d. Reconfiguring.\n", signal);
438 while (waitpid(-1, NULL, WNOHANG) > 0);
441 ob_debug("Caught signal %d. Exiting.\n", signal);
442 /* TERM and INT return a 0 code */
443 ob_exit(!(signal == SIGTERM || signal == SIGINT));
447 static void print_version()
449 g_print("Openbox %s\n", PACKAGE_VERSION);
450 g_print(_("Copyright (c)"));
451 g_print(" 2007 Mikael Magnusson\n");
452 g_print(_("Copyright (c)"));
453 g_print(" 2003-2007 Dana Jansens\n\n");
454 g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
455 g_print("This is free software, and you are welcome to redistribute it\n");
456 g_print("under certain conditions. See the file COPYING for details.\n\n");
459 static void print_help()
461 g_print(_("Syntax: openbox [options]\n"));
462 g_print(_("\nOptions:\n"));
463 g_print(_(" --config TYPE Specify the configuration profile to use\n"));
465 g_print(_(" --sm-disable Disable connection to the session manager\n"));
467 g_print(_(" --replace Replace the currently running window manager\n"));
468 g_print(_(" --help Display this help and exit\n"));
469 g_print(_(" --version Display the version and exit\n"));
470 g_print(_("\nPassing messages to a running Openbox instance:\n"));
471 g_print(_(" --reconfigure Reload Openbox's configuration\n"));
472 g_print(_("\nOptions for internal use:\n"));
473 g_print(_(" --sm-save-file FILE Specify file to load a saved session from\n"));
474 g_print(_(" --sm-client-id ID Specify session management ID\n"));
475 g_print(_("\nDebugging options:\n"));
476 g_print(_(" --sync Run in synchronous mode\n"));
477 g_print(_(" --debug Display debugging output\n"));
478 g_print(_(" --debug-focus Display debugging output for focus handling\n"));
479 g_print(_("\nPlease report bugs at %s\n"), PACKAGE_BUGREPORT);
482 static void parse_env(gchar **argv0)
486 /* pretend we are this other application */
487 if ((c = getenv("OPENBOX_RESTART_BINARY")))
488 *argv0 = g_strdup(c);
489 unsetenv("OPENBOX_RESTART_BINARY");
491 /* notify this application when openbox reconfigures */
492 if ((c = getenv("OPENBOX_RECONFIGURE_NOTIFY_PID")))
493 reconfigure_notify = (pid_t) atol(c);
496 static void remove_args(gint *argc, gchar **argv, gint index, gint num)
500 for (i = index; i < index + num; ++i)
501 argv[i] = argv[i+num];
502 for (; i < *argc; ++i)
507 static void parse_args(gint *argc, gchar **argv)
511 for (i = 1; i < *argc; ++i) {
512 if (!strcmp(argv[i], "--version")) {
515 } else if (!strcmp(argv[i], "--help")) {
518 } else if (!strcmp(argv[i], "--g-fatal-warnings")) {
519 g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
520 } else if (!strcmp(argv[i], "--replace")) {
521 ob_replace_wm = TRUE;
522 } else if (!strcmp(argv[i], "--sync")) {
524 } else if (!strcmp(argv[i], "--debug")) {
525 ob_debug_show_output(TRUE);
526 ob_debug_enable(OB_DEBUG_SM, TRUE);
527 ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
528 } else if (!strcmp(argv[i], "--debug-focus")) {
529 ob_debug_show_output(TRUE);
530 ob_debug_enable(OB_DEBUG_SM, TRUE);
531 ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
532 ob_debug_enable(OB_DEBUG_FOCUS, TRUE);
533 } else if (!strcmp(argv[i], "--reconfigure")) {
535 /* don't make this do anything if it's not in --help ..
536 } else if (!strcmp(argv[i], "--restart")) {
539 } else if (!strcmp(argv[i], "--config")) {
540 if (i == *argc - 1) /* no args left */
541 g_printerr(_("--config requires an argument\n"));
543 config_type = g_strdup(argv[i+1]);
548 else if (!strcmp(argv[i], "--sm-save-file")) {
549 if (i == *argc - 1) /* no args left */
550 g_printerr(_("--sm-save-file requires an argument\n"));
552 ob_sm_save_file = g_strdup(argv[i+1]);
553 remove_args(argc, argv, i, 2);
554 --i; /* this arg was removed so go back */
556 } else if (!strcmp(argv[i], "--sm-client-id")) {
557 if (i == *argc - 1) /* no args left */
558 g_printerr(_("--sm-client-id requires an argument\n"));
560 ob_sm_id = g_strdup(argv[i+1]);
561 remove_args(argc, argv, i, 2);
562 --i; /* this arg was removed so go back */
564 } else if (!strcmp(argv[i], "--sm-disable")) {
569 /* this is a memleak.. oh well.. heh */
570 gchar *err = g_strdup_printf
571 ("Invalid command line argument '%s'\n", argv[i]);
572 ob_exit_with_error(err);
577 static Cursor load_cursor(const gchar *name, guint fontval)
582 c = XcursorLibraryLoadCursor(ob_display, name);
585 c = XCreateFontCursor(ob_display, fontval);
589 void ob_exit_with_error(const gchar *msg)
592 session_shutdown(TRUE);
596 void ob_restart_other(const gchar *path)
598 restart_path = g_strdup(path);
608 void ob_reconfigure()
610 if (reconfigure_notify)
611 kill(reconfigure_notify, SIGUSR2);
617 void ob_exit(gint code)
620 ob_main_loop_exit(ob_main_loop);
623 void ob_exit_replace()
626 being_replaced = TRUE;
627 ob_main_loop_exit(ob_main_loop);
630 Cursor ob_cursor(ObCursor cursor)
632 g_assert(cursor < OB_NUM_CURSORS);
633 return cursors[cursor];
636 KeyCode ob_keycode(ObKey key)
638 g_assert(key < OB_NUM_KEYS);