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 Ben 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.
30 #include "startupnotify.h"
32 #include "moveresize.h"
36 #include "extensions.h"
37 #include "menuframe.h"
43 #include "parser/parse.h"
44 #include "render/render.h"
45 #include "render/theme.h"
59 #ifdef HAVE_SYS_STAT_H
60 # include <sys/stat.h>
61 # include <sys/types.h>
63 #ifdef HAVE_SYS_WAIT_H
64 # include <sys/types.h>
65 # include <sys/wait.h>
72 #include <X11/cursorfont.h>
74 #include <X11/Xcursor/Xcursor.h>
77 RrInstance *ob_rr_inst;
79 ObMainLoop *ob_main_loop;
82 gboolean ob_replace_wm = FALSE;
85 static gboolean xsync = FALSE;
86 static gboolean reconfigure = FALSE;
87 static gboolean restart = FALSE;
88 static gchar *restart_path = NULL;
89 static Cursor cursors[OB_NUM_CURSORS];
90 static KeyCode keys[OB_NUM_KEYS];
91 static gint exitcode = 0;
92 static guint remote_control = 0;
93 static gboolean being_replaced = FALSE;
94 static gchar *config_file = NULL;
96 static void signal_handler(gint signal, gpointer data);
97 static void parse_args(gint argc, gchar **argv);
98 static Cursor load_cursor(const gchar *name, guint fontval);
100 gint main(gint argc, gchar **argv)
103 ob_debug_show_output(TRUE);
106 state = OB_STATE_STARTING;
108 /* initialize the locale */
109 if (!setlocale(LC_ALL, ""))
110 g_warning("Couldn't set locale from environment.\n");
111 bindtextdomain(PACKAGE_NAME, LOCALEDIR);
112 bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
113 textdomain(PACKAGE_NAME);
115 g_set_prgname(argv[0]);
117 if (chdir(g_get_home_dir()) == -1)
118 g_warning("Unable to change to home directory (%s): %s",
119 g_get_home_dir(), g_strerror(errno));
121 /* parse out command line args */
122 parse_args(argc, argv);
124 if (!remote_control) {
125 parse_paths_startup();
127 session_startup(argc, argv);
130 ob_display = XOpenDisplay(NULL);
131 if (ob_display == NULL)
132 ob_exit_with_error("Failed to open the display.");
133 if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1)
134 ob_exit_with_error("Failed to set display as close-on-exec.");
136 if (remote_control) {
139 /* Send client message telling the OB process to:
140 * remote_control = 1 -> reconfigure
141 * remote_control = 2 -> restart */
142 PROP_MSG(RootWindow(ob_display, ob_screen),
143 ob_control, remote_control, 0, 0, 0);
144 XCloseDisplay(ob_display);
148 ob_main_loop = ob_main_loop_new(ob_display);
150 /* set up signal handler */
151 ob_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL, NULL);
152 ob_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL, NULL);
153 ob_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL, NULL);
154 ob_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler, NULL, NULL);
155 ob_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL, NULL);
156 ob_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL, NULL);
157 ob_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL, NULL);
159 ob_screen = DefaultScreen(ob_display);
161 ob_rr_inst = RrInstanceNew(ob_display, ob_screen);
162 if (ob_rr_inst == NULL)
163 ob_exit_with_error("Failed to initialize the render library.");
165 XSynchronize(ob_display, xsync);
167 /* check for locale support */
168 if (!XSupportsLocale())
169 g_warning("X server does not support locale.");
170 if (!XSetLocaleModifiers(""))
171 g_warning("Cannot set locale modifiers for the X server.");
173 /* set our error handler */
174 XSetErrorHandler(xerror_handler);
176 /* set the DISPLAY environment variable for any lauched children, to the
177 display we're using, so they open in the right place. */
178 putenv(g_strdup_printf("DISPLAY=%s", DisplayString(ob_display)));
180 /* create available cursors */
181 cursors[OB_CURSOR_NONE] = None;
182 cursors[OB_CURSOR_POINTER] = load_cursor("left_ptr", XC_left_ptr);
183 cursors[OB_CURSOR_BUSY] = load_cursor("left_ptr_watch", XC_watch);
184 cursors[OB_CURSOR_MOVE] = load_cursor("fleur", XC_fleur);
185 cursors[OB_CURSOR_NORTH] = load_cursor("top_side", XC_top_side);
186 cursors[OB_CURSOR_NORTHEAST] = load_cursor("top_right_corner",
187 XC_top_right_corner);
188 cursors[OB_CURSOR_EAST] = load_cursor("right_side", XC_right_side);
189 cursors[OB_CURSOR_SOUTHEAST] = load_cursor("bottom_right_corner",
190 XC_bottom_right_corner);
191 cursors[OB_CURSOR_SOUTH] = load_cursor("bottom_side", XC_bottom_side);
192 cursors[OB_CURSOR_SOUTHWEST] = load_cursor("bottom_left_corner",
193 XC_bottom_left_corner);
194 cursors[OB_CURSOR_WEST] = load_cursor("left_side", XC_left_side);
195 cursors[OB_CURSOR_NORTHWEST] = load_cursor("top_left_corner",
198 /* create available keycodes */
199 keys[OB_KEY_RETURN] =
200 XKeysymToKeycode(ob_display, XStringToKeysym("Return"));
201 keys[OB_KEY_ESCAPE] =
202 XKeysymToKeycode(ob_display, XStringToKeysym("Escape"));
204 XKeysymToKeycode(ob_display, XStringToKeysym("Left"));
206 XKeysymToKeycode(ob_display, XStringToKeysym("Right"));
208 XKeysymToKeycode(ob_display, XStringToKeysym("Up"));
210 XKeysymToKeycode(ob_display, XStringToKeysym("Down"));
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! */
222 /* startup the parsing so everything can register sections
227 /* parse/load user options */
228 if (parse_load_rc(config_file, &doc, &node, &config_file)) {
229 PROP_SETS(RootWindow(ob_display, ob_screen),
230 openbox_rc, config_file);
231 parse_tree(i, doc, node->xmlChildrenNode);
233 PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_rc);
234 /* we're done with parsing now, kill it */
239 /* load the theme specified in the rc file */
242 if ((theme = RrThemeNew(ob_rr_inst, config_theme,
243 config_font_activewindow,
244 config_font_inactivewindow,
245 config_font_menutitle,
246 config_font_menuitem)))
248 RrThemeFree(ob_rr_theme);
251 if (ob_rr_theme == NULL)
252 ob_exit_with_error("Unable to load a theme.");
258 /* update all existing windows for the new theme */
259 for (it = client_list; it; it = g_list_next(it)) {
260 ObClient *c = it->data;
261 frame_adjust_theme(c->frame);
264 event_startup(reconfigure);
265 /* focus_backup is used for stacking, so this needs to come before
266 anything that calls stacking_add */
267 focus_startup(reconfigure);
268 window_startup(reconfigure);
269 sn_startup(reconfigure);
270 screen_startup(reconfigure);
271 grab_startup(reconfigure);
272 group_startup(reconfigure);
273 client_startup(reconfigure);
274 dock_startup(reconfigure);
275 moveresize_startup(reconfigure);
276 keyboard_startup(reconfigure);
277 mouse_startup(reconfigure);
278 menu_startup(reconfigure);
281 /* get all the existing windows */
283 focus_fallback(TRUE);
287 /* redecorate all existing windows */
288 for (it = client_list; it; it = g_list_next(it)) {
289 ObClient *c = it->data;
290 /* the new config can change the window's decorations */
291 client_setup_decor_and_functions(c);
292 /* redraw the frames */
293 frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
299 state = OB_STATE_RUNNING;
300 ob_main_loop_run(ob_main_loop);
301 state = OB_STATE_EXITING;
305 client_unmanage_all();
308 menu_shutdown(reconfigure);
309 mouse_shutdown(reconfigure);
310 keyboard_shutdown(reconfigure);
311 moveresize_shutdown(reconfigure);
312 dock_shutdown(reconfigure);
313 client_shutdown(reconfigure);
314 group_shutdown(reconfigure);
315 grab_shutdown(reconfigure);
316 screen_shutdown(reconfigure);
317 focus_shutdown(reconfigure);
318 sn_shutdown(reconfigure);
319 window_shutdown(reconfigure);
320 event_shutdown(reconfigure);
322 } while (reconfigure);
325 XSync(ob_display, FALSE);
327 g_free(config_file); /* this is set by parse_load_rc */
328 RrThemeFree(ob_rr_theme);
329 RrInstanceFree(ob_rr_inst);
331 session_shutdown(being_replaced);
333 XCloseDisplay(ob_display);
335 parse_paths_shutdown();
338 if (restart_path != NULL) {
343 /* run other window manager */
344 if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
345 execvp(argvp[0], argvp);
348 g_warning("failed to execute '%s': %s", restart_path,
355 execvp(argv[0], argv); /* try how we were run */
356 execlp(argv[0], g_path_get_basename(argv[0]),
357 (char *)NULL); /* last resort */
363 static void signal_handler(gint signal, gpointer data)
367 ob_debug("Caught signal %d. Restarting.\n", signal);
371 ob_debug("Caught signal %d. Reconfiguring.\n", signal);
376 while (waitpid(-1, NULL, WNOHANG) > 0);
379 ob_debug("Caught signal %d. Exiting.\n", signal);
380 /* TERM and INT return a 0 code */
381 ob_exit(!(signal == SIGTERM || signal == SIGINT));
385 static void print_version()
387 g_print("Openbox %s\n", PACKAGE_VERSION);
388 g_print("Copyright (c) 2007 Mikael Magnusson\n");
389 g_print("Copyright (c) 2003-2007 Dana Jansens\n\n");
390 g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
391 g_print("This is free software, and you are welcome to redistribute it\n");
392 g_print("under certain conditions. See the file COPYING for details.\n\n");
395 static void print_help()
397 g_print("Syntax: openbox [options]\n\n");
398 g_print("Options:\n\n");
399 g_print(" --reconfigure Tell the currently running instance of "
401 " reconfigure (and then exit immediately)\n");
402 g_print(" --config-file FILE Specify the file to load for the config "
405 g_print(" --sm-disable Disable connection to session manager\n");
406 g_print(" --sm-client-id ID Specify session management ID\n");
407 g_print(" --sm-save-file FILE Specify file to load a saved session"
410 g_print(" --replace Replace the currently running window "
412 g_print(" --help Display this help and exit\n");
413 g_print(" --version Display the version and exit\n");
414 g_print(" --sync Run in synchronous mode (this is slow and "
416 " debugging X routines)\n");
417 g_print(" --debug Display debugging output\n");
418 g_print(" --debug-focus Display debugging output\n");
419 g_print("\nPlease report bugs at %s\n\n", PACKAGE_BUGREPORT);
422 static void parse_args(gint argc, gchar **argv)
426 for (i = 1; i < argc; ++i) {
427 if (!strcmp(argv[i], "--version")) {
430 } else if (!strcmp(argv[i], "--help")) {
433 } else if (!strcmp(argv[i], "--g-fatal-warnings")) {
434 g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
435 } else if (!strcmp(argv[i], "--replace")) {
436 ob_replace_wm = TRUE;
437 } else if (!strcmp(argv[i], "--sync")) {
439 } else if (!strcmp(argv[i], "--debug")) {
440 ob_debug_show_output(TRUE);
441 } else if (!strcmp(argv[i], "--debug-focus")) {
442 ob_debug_show_output(TRUE);
443 ob_debug_enable(OB_DEBUG_FOCUS, TRUE);
444 } else if (!strcmp(argv[i], "--reconfigure")) {
446 } else if (!strcmp(argv[i], "--restart")) {
448 } else if (!strcmp(argv[i], "--config-file")) {
449 if (i == argc - 1) /* no args left */
450 g_printerr(_("--config-file requires an argument\n"));
452 config_file = g_strdup(argv[i+1]);
459 static Cursor load_cursor(const gchar *name, guint fontval)
464 c = XcursorLibraryLoadCursor(ob_display, name);
467 c = XCreateFontCursor(ob_display, fontval);
471 void ob_exit_with_error(const gchar *msg)
474 session_shutdown(TRUE);
478 void ob_restart_other(const gchar *path)
480 restart_path = g_strdup(path);
490 void ob_reconfigure()
496 void ob_exit(gint code)
499 ob_main_loop_exit(ob_main_loop);
502 void ob_exit_replace()
505 being_replaced = TRUE;
506 ob_main_loop_exit(ob_main_loop);
509 Cursor ob_cursor(ObCursor cursor)
511 g_assert(cursor < OB_NUM_CURSORS);
512 return cursors[cursor];
515 KeyCode ob_keycode(ObKey key)
517 g_assert(key < OB_NUM_KEYS);