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 RrInstance *ob_rr_inst;
76 ObMainLoop *ob_main_loop;
79 gboolean ob_replace_wm = FALSE;
82 static gboolean xsync = FALSE;
83 static gboolean reconfigure = FALSE;
84 static gboolean restart = FALSE;
85 static gchar *restart_path = NULL;
86 static Cursor cursors[OB_NUM_CURSORS];
87 static KeyCode keys[OB_NUM_KEYS];
88 static gint exitcode = 0;
89 static guint remote_control = 0;
90 static gboolean being_replaced = FALSE;
92 static void signal_handler(gint signal, gpointer data);
93 static void parse_args(gint argc, gchar **argv);
95 gint main(gint argc, gchar **argv)
98 ob_debug_show_output(TRUE);
101 state = OB_STATE_STARTING;
103 /* initialize the locale */
104 if (!setlocale(LC_ALL, ""))
105 g_warning("Couldn't set locale from environment.\n");
106 bindtextdomain(PACKAGE_NAME, LOCALEDIR);
107 bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
108 textdomain(PACKAGE_NAME);
110 g_set_prgname(argv[0]);
112 if (chdir(g_get_home_dir()) == -1)
113 g_warning("Unable to change to home directory (%s): %s",
114 g_get_home_dir(), g_strerror(errno));
116 /* parse out command line args */
117 parse_args(argc, argv);
119 if (!remote_control) {
120 parse_paths_startup();
122 session_startup(argc, argv);
125 ob_display = XOpenDisplay(NULL);
126 if (ob_display == NULL)
127 ob_exit_with_error("Failed to open the display.");
128 if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1)
129 ob_exit_with_error("Failed to set display as close-on-exec.");
131 if (remote_control) {
134 /* Send client message telling the OB process to:
135 * remote_control = 1 -> reconfigure
136 * remote_control = 2 -> restart */
137 PROP_MSG(RootWindow(ob_display, ob_screen),
138 ob_control, remote_control, 0, 0, 0);
139 XCloseDisplay(ob_display);
143 ob_main_loop = ob_main_loop_new(ob_display);
145 /* set up signal handler */
146 ob_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL, NULL);
147 ob_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL, NULL);
148 ob_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL, NULL);
149 ob_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler, NULL, NULL);
150 ob_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL, NULL);
151 ob_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL, NULL);
152 ob_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL, NULL);
154 ob_screen = DefaultScreen(ob_display);
156 ob_rr_inst = RrInstanceNew(ob_display, ob_screen);
157 if (ob_rr_inst == NULL)
158 ob_exit_with_error("Failed to initialize the render library.");
160 XSynchronize(ob_display, xsync);
162 /* check for locale support */
163 if (!XSupportsLocale())
164 g_warning("X server does not support locale.");
165 if (!XSetLocaleModifiers(""))
166 g_warning("Cannot set locale modifiers for the X server.");
168 /* set our error handler */
169 XSetErrorHandler(xerror_handler);
171 /* set the DISPLAY environment variable for any lauched children, to the
172 display we're using, so they open in the right place. */
173 putenv(g_strdup_printf("DISPLAY=%s", DisplayString(ob_display)));
175 /* create available cursors */
176 cursors[OB_CURSOR_NONE] = None;
177 cursors[OB_CURSOR_POINTER] =
178 XCreateFontCursor(ob_display, XC_left_ptr);
179 cursors[OB_CURSOR_BUSY] =
180 XCreateFontCursor(ob_display, XC_watch);
181 cursors[OB_CURSOR_MOVE] =
182 XCreateFontCursor(ob_display, XC_fleur);
183 cursors[OB_CURSOR_NORTH] =
184 XCreateFontCursor(ob_display, XC_top_side);
185 cursors[OB_CURSOR_NORTHEAST] =
186 XCreateFontCursor(ob_display, XC_top_right_corner);
187 cursors[OB_CURSOR_EAST] =
188 XCreateFontCursor(ob_display, XC_right_side);
189 cursors[OB_CURSOR_SOUTHEAST] =
190 XCreateFontCursor(ob_display, XC_bottom_right_corner);
191 cursors[OB_CURSOR_SOUTH] =
192 XCreateFontCursor(ob_display, XC_bottom_side);
193 cursors[OB_CURSOR_SOUTHWEST] =
194 XCreateFontCursor(ob_display, XC_bottom_left_corner);
195 cursors[OB_CURSOR_WEST] =
196 XCreateFontCursor(ob_display, XC_left_side);
197 cursors[OB_CURSOR_NORTHWEST] =
198 XCreateFontCursor(ob_display, XC_top_left_corner);
200 /* create available keycodes */
201 keys[OB_KEY_RETURN] =
202 XKeysymToKeycode(ob_display, XStringToKeysym("Return"));
203 keys[OB_KEY_ESCAPE] =
204 XKeysymToKeycode(ob_display, XStringToKeysym("Escape"));
206 XKeysymToKeycode(ob_display, XStringToKeysym("Left"));
208 XKeysymToKeycode(ob_display, XStringToKeysym("Right"));
210 XKeysymToKeycode(ob_display, XStringToKeysym("Up"));
212 XKeysymToKeycode(ob_display, XStringToKeysym("Down"));
214 prop_startup(); /* get atoms values for the display */
215 extensions_query_all(); /* find which extensions are present */
217 if (screen_annex()) { /* it will be ours! */
224 /* startup the parsing so everything can register sections
229 /* parse/load user options */
230 if (parse_load_rc(&doc, &node))
231 parse_tree(i, doc, node->xmlChildrenNode);
232 /* we're done with parsing now, kill it */
237 /* load the theme specified in the rc file */
240 if ((theme = RrThemeNew(ob_rr_inst, config_theme,
241 config_font_activewindow,
242 config_font_inactivewindow,
243 config_font_menutitle,
244 config_font_menuitem)))
246 RrThemeFree(ob_rr_theme);
249 if (ob_rr_theme == NULL)
250 ob_exit_with_error("Unable to load a theme.");
256 /* update all existing windows for the new theme */
257 for (it = client_list; it; it = g_list_next(it)) {
258 ObClient *c = it->data;
259 frame_adjust_theme(c->frame);
262 event_startup(reconfigure);
263 /* focus_backup is used for stacking, so this needs to come before
264 anything that calls stacking_add */
265 focus_startup(reconfigure);
266 window_startup(reconfigure);
267 sn_startup(reconfigure);
268 screen_startup(reconfigure);
269 grab_startup(reconfigure);
270 group_startup(reconfigure);
271 client_startup(reconfigure);
272 dock_startup(reconfigure);
273 moveresize_startup(reconfigure);
274 keyboard_startup(reconfigure);
275 mouse_startup(reconfigure);
276 menu_startup(reconfigure);
279 /* get all the existing windows */
281 focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
285 /* redecorate all existing windows */
286 for (it = client_list; it; it = g_list_next(it)) {
287 ObClient *c = it->data;
288 /* the new config can change the window's decorations */
289 client_setup_decor_and_functions(c);
290 /* redraw the frames */
291 frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
297 state = OB_STATE_RUNNING;
298 ob_main_loop_run(ob_main_loop);
299 state = OB_STATE_EXITING;
303 client_unmanage_all();
306 menu_shutdown(reconfigure);
307 mouse_shutdown(reconfigure);
308 keyboard_shutdown(reconfigure);
309 moveresize_shutdown(reconfigure);
310 dock_shutdown(reconfigure);
311 client_shutdown(reconfigure);
312 group_shutdown(reconfigure);
313 grab_shutdown(reconfigure);
314 screen_shutdown(reconfigure);
315 focus_shutdown(reconfigure);
316 sn_shutdown(reconfigure);
317 window_shutdown(reconfigure);
318 event_shutdown(reconfigure);
320 } while (reconfigure);
323 XSync(ob_display, FALSE);
325 RrThemeFree(ob_rr_theme);
326 RrInstanceFree(ob_rr_inst);
328 session_shutdown(being_replaced);
330 XCloseDisplay(ob_display);
332 parse_paths_shutdown();
335 if (restart_path != NULL) {
340 /* run other window manager */
341 if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
342 execvp(argvp[0], argvp);
345 g_warning("failed to execute '%s': %s", restart_path,
352 execvp(argv[0], argv); /* try how we were run */
353 execlp(argv[0], g_path_get_basename(argv[0]),
354 (char *)NULL); /* last resort */
360 static void signal_handler(gint signal, gpointer data)
364 ob_debug("Caught signal %d. Restarting.\n", signal);
368 ob_debug("Caught signal %d. Reconfiguring.\n", signal);
373 while (waitpid(-1, NULL, WNOHANG) > 0);
376 ob_debug("Caught signal %d. Exiting.\n", signal);
377 /* TERM and INT return a 0 code */
378 ob_exit(!(signal == SIGTERM || signal == SIGINT));
382 static void print_version()
384 g_print("Openbox %s\n", PACKAGE_VERSION);
385 g_print("Copyright (c) 2007 Mikael Magnusson\n");
386 g_print("Copyright (c) 2007 Dana Jansens\n\n");
387 g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
388 g_print("This is free software, and you are welcome to redistribute it\n");
389 g_print("under certain conditions. See the file COPYING for details.\n\n");
392 static void print_help()
394 g_print("Syntax: openbox [options]\n\n");
395 g_print("Options:\n\n");
396 g_print(" --reconfigure Tell the currently running instance of "
398 " reconfigure (and then exit immediately)\n");
400 g_print(" --sm-disable Disable connection to session manager\n");
401 g_print(" --sm-client-id ID Specify session management ID\n");
402 g_print(" --sm-save-file FILE Specify file to load a saved session"
405 g_print(" --replace Replace the currently running window "
407 g_print(" --help Display this help and exit\n");
408 g_print(" --version Display the version and exit\n");
409 g_print(" --sync Run in synchronous mode (this is slow and "
411 " debugging X routines)\n");
412 g_print(" --debug Display debugging output\n");
413 g_print("\nPlease report bugs at %s\n\n", PACKAGE_BUGREPORT);
416 static void parse_args(gint argc, gchar **argv)
420 for (i = 1; i < argc; ++i) {
421 if (!strcmp(argv[i], "--version")) {
424 } else if (!strcmp(argv[i], "--help")) {
427 } else if (!strcmp(argv[i], "--g-fatal-warnings")) {
428 g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
429 } else if (!strcmp(argv[i], "--replace")) {
430 ob_replace_wm = TRUE;
431 } else if (!strcmp(argv[i], "--sync")) {
433 } else if (!strcmp(argv[i], "--debug")) {
434 ob_debug_show_output(TRUE);
435 } else if (!strcmp(argv[i], "--reconfigure")) {
437 } else if (!strcmp(argv[i], "--restart")) {
443 void ob_exit_with_error(gchar *msg)
446 session_shutdown(TRUE);
450 void ob_restart_other(const gchar *path)
452 restart_path = g_strdup(path);
462 void ob_reconfigure()
468 void ob_exit(gint code)
471 ob_main_loop_exit(ob_main_loop);
474 void ob_exit_replace()
477 being_replaced = TRUE;
478 ob_main_loop_exit(ob_main_loop);
481 Cursor ob_cursor(ObCursor cursor)
483 g_assert(cursor < OB_NUM_CURSORS);
484 return cursors[cursor];
487 KeyCode ob_keycode(ObKey key)
489 g_assert(key < OB_NUM_KEYS);