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"
45 #include "parser/parse.h"
46 #include "render/render.h"
47 #include "render/theme.h"
61 #ifdef HAVE_SYS_STAT_H
62 # include <sys/stat.h>
63 # include <sys/types.h>
65 #ifdef HAVE_SYS_WAIT_H
66 # include <sys/types.h>
67 # include <sys/wait.h>
74 #include <X11/cursorfont.h>
76 #include <X11/Xcursor/Xcursor.h>
80 #include <X11/keysym.h>
83 RrInstance *ob_rr_inst;
85 ObMainLoop *ob_main_loop;
88 gboolean ob_replace_wm = FALSE;
89 gboolean ob_sm_use = TRUE;
90 gchar *ob_sm_id = NULL;
91 gchar *ob_sm_save_file = NULL;
92 gboolean ob_debug_xinerama = FALSE;
95 static gboolean xsync = FALSE;
96 static gboolean reconfigure = FALSE;
97 static gboolean restart = FALSE;
98 static gchar *restart_path = NULL;
99 static Cursor cursors[OB_NUM_CURSORS];
100 static KeyCode keys[OB_NUM_KEYS];
101 static gint exitcode = 0;
102 static guint remote_control = 0;
103 static gboolean being_replaced = FALSE;
105 static void signal_handler(gint signal, gpointer data);
106 static void remove_args(gint *argc, gchar **argv, gint index, gint num);
107 static void parse_env();
108 static void parse_args(gint *argc, gchar **argv);
109 static Cursor load_cursor(const gchar *name, guint fontval);
111 gint main(gint argc, gchar **argv)
115 state = OB_STATE_STARTING;
117 /* initialize the locale */
118 if (!setlocale(LC_ALL, ""))
119 g_message("Couldn't set locale from environment.");
120 bindtextdomain(PACKAGE_NAME, LOCALEDIR);
121 bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
122 textdomain(PACKAGE_NAME);
124 if (chdir(g_get_home_dir()) == -1)
125 g_message(_("Unable to change to home directory '%s': %s"),
126 g_get_home_dir(), g_strerror(errno));
128 /* parse the command line args, which can change the argv[0] */
129 parse_args(&argc, argv);
130 /* parse the environment variables */
133 program_name = g_path_get_basename(argv[0]);
134 g_set_prgname(program_name);
136 if (!remote_control) {
137 parse_paths_startup();
139 session_startup(argc, argv);
143 ob_display = XOpenDisplay(NULL);
144 if (ob_display == NULL)
145 ob_exit_with_error(_("Failed to open the display from the DISPLAY environment variable."));
146 if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1)
147 ob_exit_with_error("Failed to set display as close-on-exec");
149 if (remote_control) {
152 /* Send client message telling the OB process to:
153 * remote_control = 1 -> reconfigure
154 * remote_control = 2 -> restart */
155 PROP_MSG(RootWindow(ob_display, ob_screen),
156 ob_control, remote_control, 0, 0, 0);
157 XCloseDisplay(ob_display);
161 ob_main_loop = ob_main_loop_new(ob_display);
163 /* set up signal handler */
164 ob_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL, NULL);
165 ob_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL, NULL);
166 ob_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL, NULL);
167 ob_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler, NULL, NULL);
168 ob_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL, NULL);
169 ob_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL, NULL);
170 ob_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL, NULL);
172 ob_screen = DefaultScreen(ob_display);
174 ob_rr_inst = RrInstanceNew(ob_display, ob_screen);
175 if (ob_rr_inst == NULL)
176 ob_exit_with_error(_("Failed to initialize the render library."));
178 XSynchronize(ob_display, xsync);
180 /* check for locale support */
181 if (!XSupportsLocale())
182 g_message(_("X server does not support locale."));
183 if (!XSetLocaleModifiers(""))
184 g_message(_("Cannot set locale modifiers for the X server."));
186 /* set our error handler */
187 XSetErrorHandler(xerror_handler);
189 /* set the DISPLAY environment variable for any lauched children, to the
190 display we're using, so they open in the right place. */
191 putenv(g_strdup_printf("DISPLAY=%s", DisplayString(ob_display)));
193 /* create available cursors */
194 cursors[OB_CURSOR_NONE] = None;
195 cursors[OB_CURSOR_POINTER] = load_cursor("left_ptr", XC_left_ptr);
196 cursors[OB_CURSOR_BUSY] = load_cursor("left_ptr_watch", XC_watch);
197 cursors[OB_CURSOR_MOVE] = load_cursor("fleur", XC_fleur);
198 cursors[OB_CURSOR_NORTH] = load_cursor("top_side", XC_top_side);
199 cursors[OB_CURSOR_NORTHEAST] = load_cursor("top_right_corner",
200 XC_top_right_corner);
201 cursors[OB_CURSOR_EAST] = load_cursor("right_side", XC_right_side);
202 cursors[OB_CURSOR_SOUTHEAST] = load_cursor("bottom_right_corner",
203 XC_bottom_right_corner);
204 cursors[OB_CURSOR_SOUTH] = load_cursor("bottom_side", XC_bottom_side);
205 cursors[OB_CURSOR_SOUTHWEST] = load_cursor("bottom_left_corner",
206 XC_bottom_left_corner);
207 cursors[OB_CURSOR_WEST] = load_cursor("left_side", XC_left_side);
208 cursors[OB_CURSOR_NORTHWEST] = load_cursor("top_left_corner",
212 prop_startup(); /* get atoms values for the display */
213 extensions_query_all(); /* find which extensions are present */
215 if (screen_annex()) { /* it will be ours! */
217 modkeys_startup(reconfigure);
219 /* get the keycodes for keys we use */
220 keys[OB_KEY_RETURN] = modkeys_sym_to_code(XK_Return);
221 keys[OB_KEY_ESCAPE] = modkeys_sym_to_code(XK_Escape);
222 keys[OB_KEY_LEFT] = modkeys_sym_to_code(XK_Left);
223 keys[OB_KEY_RIGHT] = modkeys_sym_to_code(XK_Right);
224 keys[OB_KEY_UP] = modkeys_sym_to_code(XK_Up);
225 keys[OB_KEY_DOWN] = modkeys_sym_to_code(XK_Down);
232 /* startup the parsing so everything can register sections
236 /* start up config which sets up with the parser */
239 /* parse/load user options */
240 if (parse_load_rc(NULL, &doc, &node)) {
241 parse_tree(i, doc, node->xmlChildrenNode);
244 g_message(_("Unable to find a valid config file, using some simple defaults"));
247 if (config_type != NULL)
248 PROP_SETS(RootWindow(ob_display, ob_screen),
249 ob_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 propwin_startup(reconfigure);
291 group_startup(reconfigure);
292 client_startup(reconfigure);
293 dock_startup(reconfigure);
294 moveresize_startup(reconfigure);
295 keyboard_startup(reconfigure);
296 mouse_startup(reconfigure);
297 menu_startup(reconfigure);
298 menu_frame_startup(reconfigure);
304 /* get all the existing windows */
308 /* focus what was focused if a wm was already running */
309 if (PROP_GET32(RootWindow(ob_display, ob_screen),
310 net_active_window, window, &xid) &&
311 (w = g_hash_table_lookup(window_map, &xid)) &&
314 client_focus(WINDOW_AS_CLIENT(w), FALSE);
319 /* redecorate all existing windows */
320 for (it = client_list; it; it = g_list_next(it)) {
321 ObClient *c = it->data;
322 /* the new config can change the window's decorations */
323 client_setup_decor_and_functions(c);
324 /* redraw the frames */
325 frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
331 state = OB_STATE_RUNNING;
332 ob_main_loop_run(ob_main_loop);
333 state = OB_STATE_EXITING;
337 client_unmanage_all();
340 menu_frame_shutdown(reconfigure);
341 menu_shutdown(reconfigure);
342 mouse_shutdown(reconfigure);
343 keyboard_shutdown(reconfigure);
344 moveresize_shutdown(reconfigure);
345 dock_shutdown(reconfigure);
346 client_shutdown(reconfigure);
347 group_shutdown(reconfigure);
348 propwin_shutdown(reconfigure);
349 grab_shutdown(reconfigure);
350 screen_shutdown(reconfigure);
351 focus_shutdown(reconfigure);
352 sn_shutdown(reconfigure);
353 window_shutdown(reconfigure);
354 event_shutdown(reconfigure);
356 modkeys_shutdown(reconfigure);
357 } while (reconfigure);
360 XSync(ob_display, FALSE);
362 RrThemeFree(ob_rr_theme);
363 RrInstanceFree(ob_rr_inst);
365 session_shutdown(being_replaced);
367 XCloseDisplay(ob_display);
369 parse_paths_shutdown();
372 if (restart_path != NULL) {
377 /* run other window manager */
378 if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
379 execvp(argvp[0], argvp);
383 _("Restart failed to execute new executable '%s': %s"),
384 restart_path, err->message);
389 /* we remove the session arguments from argv, so put them back */
390 if (ob_sm_save_file != NULL || ob_sm_id != NULL) {
395 (ob_sm_save_file != NULL ? 2 : 0) +
396 (ob_sm_id != NULL ? 2 : 0);
397 nargv = g_new0(gchar*, l+1);
398 for (i = 0; i < argc; ++i)
401 if (ob_sm_save_file != NULL) {
402 nargv[i++] = g_strdup("--sm-save-file");
403 nargv[i++] = ob_sm_save_file;
405 if (ob_sm_id != NULL) {
406 nargv[i++] = g_strdup("--sm-client-id");
407 nargv[i++] = ob_sm_id;
414 execvp(argv[0], argv); /* try how we were run */
415 execlp(argv[0], program_name, (gchar*)NULL); /* last resort */
418 /* free stuff passed in from the command line or environment */
419 g_free(ob_sm_save_file);
421 g_free(program_name);
426 static void signal_handler(gint signal, gpointer data)
430 ob_debug("Caught signal %d. Restarting.\n", signal);
434 ob_debug("Caught signal %d. Reconfiguring.\n", signal);
439 while (waitpid(-1, NULL, WNOHANG) > 0);
442 ob_debug("Caught signal %d. Exiting.\n", signal);
443 /* TERM and INT return a 0 code */
444 ob_exit(!(signal == SIGTERM || signal == SIGINT));
448 static void print_version()
450 g_print("Openbox %s\n", PACKAGE_VERSION);
451 g_print(_("Copyright (c)"));
452 g_print(" 2007 Mikael Magnusson\n");
453 g_print(_("Copyright (c)"));
454 g_print(" 2003-2007 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");
460 static void print_help()
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(_("\nDebugging options:\n"));
471 g_print(_(" --sync Run in synchronous mode\n"));
472 g_print(_(" --debug Display debugging output\n"));
473 g_print(_(" --debug-focus Display debugging output for focus handling\n"));
474 g_print(_(" --debug-xinerama Split the display into fake xinerama screens\n"));
475 g_print(_("\nPlease report bugs at %s\n"), PACKAGE_BUGREPORT);
478 static void remove_args(gint *argc, gchar **argv, gint index, gint num)
482 for (i = index; i < *argc - num; ++i)
483 argv[i] = argv[i+num];
484 for (; i < *argc; ++i)
489 static void parse_env()
491 /* unset this so we don't pass it on unknowingly */
492 unsetenv("DESKTOP_STARTUP_ID");
495 static void parse_args(gint *argc, gchar **argv)
499 for (i = 1; i < *argc; ++i) {
500 if (!strcmp(argv[i], "--version")) {
504 else if (!strcmp(argv[i], "--help")) {
508 else if (!strcmp(argv[i], "--g-fatal-warnings")) {
509 g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
511 else if (!strcmp(argv[i], "--replace")) {
512 ob_replace_wm = TRUE;
513 remove_args(argc, argv, i, 1);
514 --i; /* this arg was removed so go back */
516 else if (!strcmp(argv[i], "--sync")) {
519 else if (!strcmp(argv[i], "--debug")) {
520 ob_debug_show_output(TRUE);
521 ob_debug_enable(OB_DEBUG_SM, TRUE);
522 ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
524 else if (!strcmp(argv[i], "--debug-focus")) {
525 ob_debug_show_output(TRUE);
526 ob_debug_enable(OB_DEBUG_SM, TRUE);
527 ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
528 ob_debug_enable(OB_DEBUG_FOCUS, TRUE);
530 else if (!strcmp(argv[i], "--debug-xinerama")) {
531 ob_debug_xinerama = 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")) {
540 else if (!strcmp(argv[i], "--sm-save-file")) {
541 if (i == *argc - 1) /* no args left */
542 /* not translated cuz it's sekret */
543 g_printerr("--sm-save-file requires an argument\n");
545 ob_sm_save_file = g_strdup(argv[i+1]);
546 remove_args(argc, argv, i, 2);
547 --i; /* this arg was removed so go back */
548 ob_debug_type(OB_DEBUG_SM, "--sm-save-file %s\n",
552 else if (!strcmp(argv[i], "--sm-client-id")) {
553 if (i == *argc - 1) /* no args left */
554 /* not translated cuz it's sekret */
555 g_printerr("--sm-client-id requires an argument\n");
557 ob_sm_id = g_strdup(argv[i+1]);
558 remove_args(argc, argv, i, 2);
559 --i; /* this arg was removed so go back */
560 ob_debug_type(OB_DEBUG_SM, "--sm-client-id %s\n", ob_sm_id);
563 else if (!strcmp(argv[i], "--sm-disable")) {
567 /* this is a memleak.. oh well.. heh */
568 gchar *err = g_strdup_printf
569 (_("Invalid command line argument '%s'\n"), argv[i]);
570 ob_exit_with_error(err);
575 static Cursor load_cursor(const gchar *name, guint fontval)
580 c = XcursorLibraryLoadCursor(ob_display, name);
583 c = XCreateFontCursor(ob_display, fontval);
587 void ob_exit_with_error(const gchar *msg)
590 session_shutdown(TRUE);
594 void ob_restart_other(const gchar *path)
596 restart_path = g_strdup(path);
606 void ob_reconfigure()
612 void ob_exit(gint code)
615 ob_main_loop_exit(ob_main_loop);
618 void ob_exit_replace()
621 being_replaced = TRUE;
622 ob_main_loop_exit(ob_main_loop);
625 Cursor ob_cursor(ObCursor cursor)
627 g_assert(cursor < OB_NUM_CURSORS);
628 return cursors[cursor];
631 KeyCode ob_keycode(ObKey key)
633 g_assert(key < OB_NUM_KEYS);