openbox/openbox.c (raw)
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/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*- openbox.c for the Openbox window manager Copyright (c) 2006 Mikael Magnusson Copyright (c) 2003-2007 Dana Jansens This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. See the COPYING file for a copy of the GNU General Public License. */ #include "debug.h" #include "openbox.h" #include "session.h" #include "dock.h" #include "modkeys.h" #include "event.h" #include "menu.h" #include "client.h" #include "xerror.h" #include "prop.h" #include "screen.h" #include "startupnotify.h" #include "focus.h" #include "focus_cycle.h" #include "focus_cycle_indicator.h" #include "focus_cycle_popup.h" #include "moveresize.h" #include "frame.h" #include "keyboard.h" #include "mouse.h" #include "extensions.h" #include "menuframe.h" #include "grab.h" #include "group.h" #include "propwin.h" #include "config.h" #include "mainloop.h" #include "gettext.h" #include "parser/parse.h" #include "render/render.h" #include "render/theme.h" #ifdef HAVE_FCNTL_H # include <fcntl.h> #endif #ifdef HAVE_SIGNAL_H # include <signal.h> #endif #ifdef HAVE_STDLIB_H # include <stdlib.h> #endif #ifdef HAVE_LOCALE_H # include <locale.h> #endif #ifdef HAVE_SYS_STAT_H # include <sys/stat.h> # include <sys/types.h> #endif #ifdef HAVE_SYS_WAIT_H # include <sys/types.h> # include <sys/wait.h> #endif #ifdef HAVE_UNISTD_H # include <unistd.h> #endif #include <errno.h> #include <X11/cursorfont.h> #if USE_XCURSOR #include <X11/Xcursor/Xcursor.h> #endif #include <X11/Xlib.h> #include <X11/keysym.h> RrInstance *ob_rr_inst; RrTheme *ob_rr_theme; ObMainLoop *ob_main_loop; Display *ob_display; gint ob_screen; gboolean ob_replace_wm = FALSE; gboolean ob_sm_use = TRUE; gchar *ob_sm_id = NULL; gchar *ob_sm_save_file = NULL; gboolean ob_sm_restore = TRUE; gboolean ob_debug_xinerama = FALSE; static ObState state; static gboolean xsync = FALSE; static gboolean reconfigure = FALSE; static gboolean restart = FALSE; static gchar *restart_path = NULL; static Cursor cursors[OB_NUM_CURSORS]; static KeyCode keys[OB_NUM_KEYS]; static gint exitcode = 0; static guint remote_control = 0; static gboolean being_replaced = FALSE; static void signal_handler(gint signal, gpointer data); static void remove_args(gint *argc, gchar **argv, gint index, gint num); static void parse_env(); static void parse_args(gint *argc, gchar **argv); static Cursor load_cursor(const gchar *name, guint fontval); gint main(gint argc, gchar **argv) { gchar *program_name; state = OB_STATE_STARTING; /* initialize the locale */ if (!setlocale(LC_ALL, "")) g_message("Couldn't set locale from environment."); bindtextdomain(PACKAGE_NAME, LOCALEDIR); bind_textdomain_codeset(PACKAGE_NAME, "UTF-8"); textdomain(PACKAGE_NAME); if (chdir(g_get_home_dir()) == -1) g_message(_("Unable to change to home directory '%s': %s"), g_get_home_dir(), g_strerror(errno)); /* parse the command line args, which can change the argv[0] */ parse_args(&argc, argv); /* parse the environment variables */ parse_env(); program_name = g_path_get_basename(argv[0]); g_set_prgname(program_name); if (!remote_control) { parse_paths_startup(); session_startup(argc, argv); } ob_display = XOpenDisplay(NULL); if (ob_display == NULL) ob_exit_with_error(_("Failed to open the display from the DISPLAY environment variable.")); if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1) ob_exit_with_error("Failed to set display as close-on-exec"); if (remote_control) { prop_startup(); /* Send client message telling the OB process to: * remote_control = 1 -> reconfigure * remote_control = 2 -> restart */ PROP_MSG(RootWindow(ob_display, ob_screen), ob_control, remote_control, 0, 0, 0); XCloseDisplay(ob_display); exit(EXIT_SUCCESS); } ob_main_loop = ob_main_loop_new(ob_display); /* set up signal handler */ ob_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL, NULL); ob_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL, NULL); ob_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL, NULL); ob_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler, NULL, NULL); ob_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL, NULL); ob_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL, NULL); ob_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL, NULL); ob_screen = DefaultScreen(ob_display); ob_rr_inst = RrInstanceNew(ob_display, ob_screen); if (ob_rr_inst == NULL) ob_exit_with_error(_("Failed to initialize the obrender library.")); XSynchronize(ob_display, xsync); /* check for locale support */ if (!XSupportsLocale()) g_message(_("X server does not support locale.")); if (!XSetLocaleModifiers("")) g_message(_("Cannot set locale modifiers for the X server.")); /* set our error handler */ XSetErrorHandler(xerror_handler); /* set the DISPLAY environment variable for any lauched children, to the display we're using, so they open in the right place. */ putenv(g_strdup_printf("DISPLAY=%s", DisplayString(ob_display))); /* create available cursors */ cursors[OB_CURSOR_NONE] = None; cursors[OB_CURSOR_POINTER] = load_cursor("left_ptr", XC_left_ptr); cursors[OB_CURSOR_BUSYPOINTER] = load_cursor("left_ptr_watch",XC_left_ptr); cursors[OB_CURSOR_BUSY] = load_cursor("watch", XC_watch); cursors[OB_CURSOR_MOVE] = load_cursor("fleur", XC_fleur); cursors[OB_CURSOR_NORTH] = load_cursor("top_side", XC_top_side); cursors[OB_CURSOR_NORTHEAST] = load_cursor("top_right_corner", XC_top_right_corner); cursors[OB_CURSOR_EAST] = load_cursor("right_side", XC_right_side); cursors[OB_CURSOR_SOUTHEAST] = load_cursor("bottom_right_corner", XC_bottom_right_corner); cursors[OB_CURSOR_SOUTH] = load_cursor("bottom_side", XC_bottom_side); cursors[OB_CURSOR_SOUTHWEST] = load_cursor("bottom_left_corner", XC_bottom_left_corner); cursors[OB_CURSOR_WEST] = load_cursor("left_side", XC_left_side); cursors[OB_CURSOR_NORTHWEST] = load_cursor("top_left_corner", XC_top_left_corner); prop_startup(); /* get atoms values for the display */ extensions_query_all(); /* find which extensions are present */ if (screen_annex()) { /* it will be ours! */ do { modkeys_startup(reconfigure); /* get the keycodes for keys we use */ keys[OB_KEY_RETURN] = modkeys_sym_to_code(XK_Return); keys[OB_KEY_ESCAPE] = modkeys_sym_to_code(XK_Escape); keys[OB_KEY_LEFT] = modkeys_sym_to_code(XK_Left); keys[OB_KEY_RIGHT] = modkeys_sym_to_code(XK_Right); keys[OB_KEY_UP] = modkeys_sym_to_code(XK_Up); keys[OB_KEY_DOWN] = modkeys_sym_to_code(XK_Down); { ObParseInst *i; xmlDocPtr doc; xmlNodePtr node; /* startup the parsing so everything can register sections of the rc */ i = parse_startup(); /* start up config which sets up with the parser */ config_startup(i); /* parse/load user options */ if (parse_load_rc(NULL, &doc, &node)) { parse_tree(i, doc, node->xmlChildrenNode); parse_close(doc); } else g_message(_("Unable to find a valid config file, using some simple defaults")); /* if (config_type != NULL) PROP_SETS(RootWindow(ob_display, ob_screen), ob_config, config_type); */ /* we're done with parsing now, kill it */ parse_shutdown(i); } /* load the theme specified in the rc file */ { RrTheme *theme; if ((theme = RrThemeNew(ob_rr_inst, config_theme, TRUE, config_font_activewindow, config_font_inactivewindow, config_font_menutitle, config_font_menuitem, config_font_osd))) { RrThemeFree(ob_rr_theme); ob_rr_theme = theme; } if (ob_rr_theme == NULL) ob_exit_with_error(_("Unable to load a theme.")); PROP_SETS(RootWindow(ob_display, ob_screen), ob_theme, ob_rr_theme->name); } if (reconfigure) { GList *it; /* update all existing windows for the new theme */ for (it = client_list; it; it = g_list_next(it)) { ObClient *c = it->data; frame_adjust_theme(c->frame); } } event_startup(reconfigure); /* focus_backup is used for stacking, so this needs to come before anything that calls stacking_add */ focus_startup(reconfigure); focus_cycle_startup(reconfigure); focus_cycle_indicator_startup(reconfigure); focus_cycle_popup_startup(reconfigure); window_startup(reconfigure); sn_startup(reconfigure); screen_startup(reconfigure); grab_startup(reconfigure); propwin_startup(reconfigure); group_startup(reconfigure); client_startup(reconfigure); dock_startup(reconfigure); moveresize_startup(reconfigure); keyboard_startup(reconfigure); mouse_startup(reconfigure); menu_frame_startup(reconfigure); menu_startup(reconfigure); if (!reconfigure) { guint32 xid; ObWindow *w; /* get all the existing windows */ client_manage_all(); focus_nothing(); /* focus what was focused if a wm was already running */ if (PROP_GET32(RootWindow(ob_display, ob_screen), net_active_window, window, &xid) && (w = g_hash_table_lookup(window_map, &xid)) && WINDOW_IS_CLIENT(w)) { client_focus(WINDOW_AS_CLIENT(w)); } } else { GList *it; /* redecorate all existing windows */ for (it = client_list; it; it = g_list_next(it)) { ObClient *c = it->data; /* the new config can change the window's decorations */ client_setup_decor_and_functions(c, TRUE); /* redraw the frames */ frame_adjust_area(c->frame, TRUE, TRUE, FALSE); /* the decor sizes may have changed, so the windows may end up in new positions */ client_reconfigure(c); } } reconfigure = FALSE; state = OB_STATE_RUNNING; ob_main_loop_run(ob_main_loop); state = OB_STATE_EXITING; if (!reconfigure) { dock_remove_all(); client_unmanage_all(); } menu_shutdown(reconfigure); menu_frame_shutdown(reconfigure); mouse_shutdown(reconfigure); keyboard_shutdown(reconfigure); moveresize_shutdown(reconfigure); dock_shutdown(reconfigure); client_shutdown(reconfigure); group_shutdown(reconfigure); propwin_shutdown(reconfigure); grab_shutdown(reconfigure); screen_shutdown(reconfigure); focus_cycle_popup_shutdown(reconfigure); focus_cycle_indicator_shutdown(reconfigure); focus_cycle_shutdown(reconfigure); focus_shutdown(reconfigure); sn_shutdown(reconfigure); window_shutdown(reconfigure); event_shutdown(reconfigure); config_shutdown(); modkeys_shutdown(reconfigure); } while (reconfigure); } XSync(ob_display, FALSE); RrThemeFree(ob_rr_theme); RrInstanceFree(ob_rr_inst); session_shutdown(being_replaced); XCloseDisplay(ob_display); parse_paths_shutdown(); if (restart) { if (restart_path != NULL) { gint argcp; gchar **argvp; GError *err = NULL; /* run other window manager */ if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) { execvp(argvp[0], argvp); g_strfreev(argvp); } else { g_message( _("Restart failed to execute new executable '%s': %s"), restart_path, err->message); g_error_free(err); } } /* we remove the session arguments from argv, so put them back, also don't restore the session on restart */ if (ob_sm_save_file != NULL || ob_sm_id != NULL) { gchar **nargv; gint i, l; l = argc + 1 + (ob_sm_save_file != NULL ? 2 : 0) + (ob_sm_id != NULL ? 2 : 0); nargv = g_new0(gchar*, l+1); for (i = 0; i < argc; ++i) nargv[i] = argv[i]; if (ob_sm_save_file != NULL) { nargv[i++] = g_strdup("--sm-save-file"); nargv[i++] = ob_sm_save_file; } if (ob_sm_id != NULL) { nargv[i++] = g_strdup("--sm-client-id"); nargv[i++] = ob_sm_id; } nargv[i++] = g_strdup("--sm-no-load"); g_assert(i == l); argv = nargv; } /* re-run me */ execvp(argv[0], argv); /* try how we were run */ execlp(argv[0], program_name, (gchar*)NULL); /* last resort */ } /* free stuff passed in from the command line or environment */ g_free(ob_sm_save_file); g_free(ob_sm_id); g_free(program_name); return exitcode; } static void signal_handler(gint signal, gpointer data) { switch (signal) { case SIGUSR1: ob_debug("Caught signal %d. Restarting.\n", signal); ob_restart(); break; case SIGUSR2: ob_debug("Caught signal %d. Reconfiguring.\n", signal); ob_reconfigure(); break; case SIGCHLD: /* reap children */ while (waitpid(-1, NULL, WNOHANG) > 0); break; default: ob_debug("Caught signal %d. Exiting.\n", signal); /* TERM and INT return a 0 code */ ob_exit(!(signal == SIGTERM || signal == SIGINT)); } } static void print_version() { g_print("Openbox %s\n", PACKAGE_VERSION); g_print(_("Copyright (c)")); g_print(" 2007 Mikael Magnusson\n"); g_print(_("Copyright (c)")); g_print(" 2003-2007 Dana Jansens\n\n"); g_print("This program comes with ABSOLUTELY NO WARRANTY.\n"); g_print("This is free software, and you are welcome to redistribute it\n"); g_print("under certain conditions. See the file COPYING for details.\n\n"); } static void print_help() { g_print(_("Syntax: openbox [options]\n")); g_print(_("\nOptions:\n")); g_print(_(" --help Display this help and exit\n")); g_print(_(" --version Display the version and exit\n")); g_print(_(" --replace Replace the currently running window manager\n")); g_print(_(" --sm-disable Disable connection to the session manager\n")); g_print(_("\nPassing messages to a running Openbox instance:\n")); g_print(_(" --reconfigure Reload Openbox's configuration\n")); g_print(_(" --restart Restart Openbox\n")); g_print(_("\nDebugging options:\n")); g_print(_(" --sync Run in synchronous mode\n")); g_print(_(" --debug Display debugging output\n")); g_print(_(" --debug-focus Display debugging output for focus handling\n")); g_print(_(" --debug-xinerama Split the display into fake xinerama screens\n")); g_print(_("\nPlease report bugs at %s\n"), PACKAGE_BUGREPORT); } static void remove_args(gint *argc, gchar **argv, gint index, gint num) { gint i; for (i = index; i < *argc - num; ++i) argv[i] = argv[i+num]; for (; i < *argc; ++i) argv[i] = NULL; *argc -= num; } static void parse_env() { /* unset this so we don't pass it on unknowingly */ unsetenv("DESKTOP_STARTUP_ID"); } static void parse_args(gint *argc, gchar **argv) { gint i; for (i = 1; i < *argc; ++i) { if (!strcmp(argv[i], "--version")) { print_version(); exit(0); } else if (!strcmp(argv[i], "--help")) { print_help(); exit(0); } else if (!strcmp(argv[i], "--g-fatal-warnings")) { g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL); } else if (!strcmp(argv[i], "--replace")) { ob_replace_wm = TRUE; remove_args(argc, argv, i, 1); --i; /* this arg was removed so go back */ } else if (!strcmp(argv[i], "--sync")) { xsync = TRUE; } else if (!strcmp(argv[i], "--debug")) { ob_debug_show_output(TRUE); ob_debug_enable(OB_DEBUG_SM, TRUE); ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE); } else if (!strcmp(argv[i], "--debug-focus")) { ob_debug_show_output(TRUE); ob_debug_enable(OB_DEBUG_SM, TRUE); ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE); ob_debug_enable(OB_DEBUG_FOCUS, TRUE); } else if (!strcmp(argv[i], "--debug-xinerama")) { ob_debug_xinerama = TRUE; } else if (!strcmp(argv[i], "--reconfigure")) { remote_control = 1; } else if (!strcmp(argv[i], "--restart")) { remote_control = 2; } else if (!strcmp(argv[i], "--sm-save-file")) { if (i == *argc - 1) /* no args left */ /* not translated cuz it's sekret */ g_printerr("--sm-save-file requires an argument\n"); else { ob_sm_save_file = g_strdup(argv[i+1]); remove_args(argc, argv, i, 2); --i; /* this arg was removed so go back */ ob_debug_type(OB_DEBUG_SM, "--sm-save-file %s\n", ob_sm_save_file); } } else if (!strcmp(argv[i], "--sm-client-id")) { if (i == *argc - 1) /* no args left */ /* not translated cuz it's sekret */ g_printerr("--sm-client-id requires an argument\n"); else { ob_sm_id = g_strdup(argv[i+1]); remove_args(argc, argv, i, 2); --i; /* this arg was removed so go back */ ob_debug_type(OB_DEBUG_SM, "--sm-client-id %s\n", ob_sm_id); } } else if (!strcmp(argv[i], "--sm-disable")) { ob_sm_use = FALSE; } else if (!strcmp(argv[i], "--sm-no-load")) { ob_sm_restore = FALSE; remove_args(argc, argv, i, 1); --i; /* this arg was removed so go back */ } else { /* this is a memleak.. oh well.. heh */ gchar *err = g_strdup_printf (_("Invalid command line argument '%s'\n"), argv[i]); ob_exit_with_error(err); } } } static Cursor load_cursor(const gchar *name, guint fontval) { Cursor c = None; #if USE_XCURSOR c = XcursorLibraryLoadCursor(ob_display, name); #endif if (c == None) c = XCreateFontCursor(ob_display, fontval); return c; } void ob_exit_with_error(const gchar *msg) { g_message(msg); session_shutdown(TRUE); exit(EXIT_FAILURE); } void ob_restart_other(const gchar *path) { restart_path = g_strdup(path); ob_restart(); } void ob_restart() { restart = TRUE; ob_exit(0); } void ob_reconfigure() { reconfigure = TRUE; ob_exit(0); } void ob_exit(gint code) { exitcode = code; ob_main_loop_exit(ob_main_loop); } void ob_exit_replace() { exitcode = 0; being_replaced = TRUE; ob_main_loop_exit(ob_main_loop); } Cursor ob_cursor(ObCursor cursor) { g_assert(cursor < OB_NUM_CURSORS); return cursors[cursor]; } KeyCode ob_keycode(ObKey key) { g_assert(key < OB_NUM_KEYS); return keys[key]; } ObState ob_state() { return state; } |