openbox/openbox.c (raw)
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#include "openbox.h" #include "event.h" #include "client.h" #include "dispatch.h" #include "xerror.h" #include "prop.h" #include "screen.h" #include "focus.h" #include "extensions.h" #include "gettext.h" #include "config.h" #include "grab.h" #include "engine.h" #include "plugin.h" #include "timer.h" #include "../render/render.h" #include "../render/font.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_SYS_WAIT_H # include <sys/types.h> # include <sys/wait.h> #endif #ifdef HAVE_LOCALE_H # include <locale.h> #endif #ifdef HAVE_UNISTD_H # include <unistd.h> #endif #ifdef HAVE_SYS_STAT_H # include <sys/stat.h> # include <sys/types.h> #endif #include <X11/cursorfont.h> Display *ob_display = NULL; int ob_screen; Window ob_root; State ob_state; gboolean ob_shutdown = FALSE; gboolean ob_restart = FALSE; char *ob_restart_path = NULL; gboolean ob_remote = FALSE; gboolean ob_sync = FALSE; Cursors ob_cursors; char *ob_rc_path = NULL; void signal_handler(const ObEvent *e, void *data); void parse_args(int argc, char **argv); int main(int argc, char **argv) { struct sigaction action; sigset_t sigset; char *path; ob_state = State_Starting; /* initialize the locale */ if (!setlocale(LC_ALL, "")) g_warning("Couldn't set locale from environment.\n"); bindtextdomain(PACKAGE, LOCALEDIR); bind_textdomain_codeset(PACKAGE, "UTF-8"); textdomain(PACKAGE); /* start our event dispatcher and register for signals */ dispatch_startup(); dispatch_register(Event_Signal, signal_handler, NULL); /* set up signal handler */ sigemptyset(&sigset); action.sa_handler = dispatch_signal; action.sa_mask = sigset; action.sa_flags = SA_NOCLDSTOP; sigaction(SIGUSR1, &action, (struct sigaction *) NULL); sigaction(SIGPIPE, &action, (struct sigaction *) NULL); sigaction(SIGSEGV, &action, (struct sigaction *) NULL); sigaction(SIGFPE, &action, (struct sigaction *) NULL); sigaction(SIGTERM, &action, (struct sigaction *) NULL); sigaction(SIGINT, &action, (struct sigaction *) NULL); sigaction(SIGHUP, &action, (struct sigaction *) NULL); sigaction(SIGCHLD, &action, (struct sigaction *) NULL); /* anything that died while we were restarting won't give us a SIGCHLD */ while (waitpid(-1, NULL, WNOHANG) > 0); /* create the ~/.openbox dir */ path = g_build_filename(g_get_home_dir(), ".openbox", NULL); mkdir(path, (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP | S_IROTH | S_IWOTH | S_IXOTH)); g_free(path); /* parse out command line args */ parse_args(argc, argv); ob_display = XOpenDisplay(NULL); if (ob_display == NULL) { /* print a message and exit */ g_critical("Failed to open the display."); exit(1); } if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1) { /* print a message and exit */ g_critical("Failed to set display as close-on-exec."); exit(1); } ob_screen = DefaultScreen(ob_display); ob_root = RootWindow(ob_display, ob_screen); /* XXX fork self onto other screens */ XSynchronize(ob_display, ob_sync); /* check for locale support */ if (!XSupportsLocale()) g_warning("X server does not support locale."); if (!XSetLocaleModifiers("")) g_warning("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))); ob_cursors.left_ptr = XCreateFontCursor(ob_display, XC_left_ptr); ob_cursors.ll_angle = XCreateFontCursor(ob_display, XC_ll_angle); ob_cursors.lr_angle = XCreateFontCursor(ob_display, XC_lr_angle); prop_startup(); /* get atoms values for the display */ extensions_query_all(); /* find which extensions are present */ if (screen_annex()) { /* it will be ours! */ timer_startup(); config_startup(); render_startup(); font_startup(); plugin_startup(); /* load the plugins specified in the pluginrc */ plugin_loadall(); /* parse/load user options */ config_parse(); engine_startup(); event_startup(); screen_startup(); focus_startup(); client_startup(); grab_startup(); /* call startup for all the plugins */ plugin_startall(); /* get all the existing windows */ client_manage_all(); ob_state = State_Running; while (!ob_shutdown) event_loop(); ob_state = State_Exiting; client_unmanage_all(); plugin_shutdown(); /* calls all the plugins' shutdown functions */ grab_shutdown(); client_shutdown(); focus_shutdown(); screen_shutdown(); event_shutdown(); engine_shutdown(); render_shutdown(); config_shutdown(); timer_shutdown(); } dispatch_shutdown(); XCloseDisplay(ob_display); if (ob_restart) { if (ob_restart_path != NULL) { int argcp; char **argvp; GError *err = NULL; /* run other shit */ if (g_shell_parse_argv(ob_restart_path, &argcp, &argvp, &err)) { execvp(argvp[0], argvp); g_strfreev(argvp); } else { g_warning("failed to execute '%s': %s", ob_restart_path, err->message); } } /* re-run me */ execvp(argv[0], argv); /* try how we were run */ execlp(BINARY, BINARY, NULL); /* try this as a last resort */ } return 0; } void signal_handler(const ObEvent *e, void *data) { int s; s = e->data.s.signal; switch (s) { case SIGUSR1: g_message("Caught SIGUSR1 signal. Restarting."); ob_shutdown = ob_restart = TRUE; break; case SIGCHLD: wait(NULL); break; case SIGHUP: case SIGINT: case SIGTERM: case SIGPIPE: g_message("Caught signal %d. Exiting.", s); ob_shutdown = TRUE; break; case SIGFPE: case SIGSEGV: g_error("Caught signal %d. Aborting and dumping core.", s); } } void print_version() { g_print("Openbox %s\n\n", VERSION); 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"); } void print_help() { print_version(); g_print("Syntax: %s [options]\n\n", BINARY); g_print("Options:\n\n"); g_print(" -rc PATH Specify the path to the rc file to use\n"); g_print(" -help Display this help and exit\n"); g_print(" -version Display the version and exit\n"); g_print(" -sync Run in synchronous mode (this is slow and meant\n" " for debugging X routines)\n"); g_print("\nPlease report bugs at %s\n", BUGURL); } void parse_args(int argc, char **argv) { int 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], "-sync")) { ob_sync = TRUE; } else if (!strcmp(argv[i], "-rc")) { if (i == argc - 1) /* no args left */ g_printerr("-rc requires an argument\n"); else ob_rc_path = argv[++i]; } else { g_printerr("Invalid option: '%s'\n\n", argv[i]); print_help(); exit(1); } } } |