openbox/openbox/openbox.c

445 lines
12 KiB
C

#include "debug.h"
#include "openbox.h"
#include "session.h"
#include "dock.h"
#include "event.h"
#include "menu.h"
#include "client.h"
#include "dispatch.h"
#include "xerror.h"
#include "prop.h"
#include "startup.h"
#include "screen.h"
#include "focus.h"
#include "moveresize.h"
#include "frame.h"
#include "extensions.h"
#include "grab.h"
#include "plugin.h"
#include "timer.h"
#include "group.h"
#include "config.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
#define __USE_UNIX98
# 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_UNISTD_H
# include <unistd.h>
#endif
#include <X11/cursorfont.h>
RrInstance *ob_rr_inst;
RrTheme *ob_rr_theme;
Display *ob_display;
gint ob_screen;
gboolean ob_sm_use = TRUE;
gchar *ob_sm_id;
gboolean ob_replace_wm;
static ObState state;
static gboolean xsync;
static gboolean shutdown;
static gboolean restart;
static char *restart_path;
static Cursor cursors[OB_NUM_CURSORS];
static KeyCode keys[OB_NUM_KEYS];
static gchar *sm_save_file;
static void signal_handler(const ObEvent *e, void *data);
static void parse_args(int argc, char **argv);
static void exit_with_error(gchar *msg);
int main(int argc, char **argv)
{
struct sigaction action;
sigset_t sigset;
char *path;
xmlDocPtr doc;
xmlNodePtr node;
#ifdef DEBUG
ob_debug_show_output(TRUE);
#endif
state = OB_STATE_STARTING;
/* initialize the locale */
if (!setlocale(LC_ALL, ""))
g_warning("Couldn't set locale from environment.\n");
bindtextdomain(PACKAGE_NAME, LOCALEDIR);
bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
textdomain(PACKAGE_NAME);
/* 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 | SA_NODEFER;
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);
/* 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);
/* create the ~/.openbox/themes dir */
path = g_build_filename(g_get_home_dir(), ".openbox", "themes", NULL);
mkdir(path, (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP |
S_IROTH | S_IWOTH | S_IXOTH));
g_free(path);
/* create the ~/.openbox/sessions dir */
path = g_build_filename(g_get_home_dir(), ".openbox", "sessions", NULL);
mkdir(path, (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP |
S_IROTH | S_IWOTH | S_IXOTH));
g_free(path);
g_set_prgname(argv[0]);
/* parse out command line args */
parse_args(argc, argv);
ob_display = XOpenDisplay(NULL);
if (ob_display == NULL)
exit_with_error("Failed to open the display.");
if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1)
exit_with_error("Failed to set display as close-on-exec.");
session_load(sm_save_file);
session_startup(argc, argv);
#ifdef USE_LIBSN
ob_sn_display = sn_display_new(ob_display, NULL, NULL);
#endif
ob_screen = DefaultScreen(ob_display);
ob_rr_inst = RrInstanceNew(ob_display, ob_screen);
if (ob_rr_inst == NULL)
exit_with_error("Failed to initialize the render library.");
/* XXX fork self onto other screens */
XSynchronize(ob_display, xsync);
/* 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)));
/* create available cursors */
cursors[OB_CURSOR_POINTER] =
XCreateFontCursor(ob_display, XC_left_ptr);
cursors[OB_CURSOR_BUSY] =
XCreateFontCursor(ob_display, XC_watch);
cursors[OB_CURSOR_MOVE] =
XCreateFontCursor(ob_display, XC_fleur);
cursors[OB_CURSOR_NORTH] =
XCreateFontCursor(ob_display, XC_top_side);
cursors[OB_CURSOR_NORTHEAST] =
XCreateFontCursor(ob_display, XC_top_right_corner);
cursors[OB_CURSOR_EAST] =
XCreateFontCursor(ob_display, XC_right_side);
cursors[OB_CURSOR_SOUTHEAST] =
XCreateFontCursor(ob_display, XC_bottom_right_corner);
cursors[OB_CURSOR_SOUTH] =
XCreateFontCursor(ob_display, XC_bottom_side);
cursors[OB_CURSOR_SOUTHWEST] =
XCreateFontCursor(ob_display, XC_bottom_left_corner);
cursors[OB_CURSOR_WEST] =
XCreateFontCursor(ob_display, XC_left_side);
cursors[OB_CURSOR_NORTHWEST] =
XCreateFontCursor(ob_display, XC_top_left_corner);
/* create available keycodes */
keys[OB_KEY_RETURN] =
XKeysymToKeycode(ob_display, XStringToKeysym("Return"));
keys[OB_KEY_ESCAPE] =
XKeysymToKeycode(ob_display, XStringToKeysym("Escape"));
keys[OB_KEY_LEFT] =
XKeysymToKeycode(ob_display, XStringToKeysym("Left"));
keys[OB_KEY_RIGHT] =
XKeysymToKeycode(ob_display, XStringToKeysym("Right"));
keys[OB_KEY_UP] =
XKeysymToKeycode(ob_display, XStringToKeysym("Up"));
keys[OB_KEY_DOWN] =
XKeysymToKeycode(ob_display, XStringToKeysym("Down"));
prop_startup(); /* get atoms values for the display */
extensions_query_all(); /* find which extensions are present */
/* save stuff that we can use to restore state */
startup_save();
if (screen_annex()) { /* it will be ours! */
/* startup the parsing so everything can register sections of the rc */
parse_startup();
/* anything that is going to read data from the rc file needs to be
in this group */
timer_startup();
event_startup();
grab_startup();
/* focus_backup is used for stacking, so this needs to come before
anything that calls stacking_add */
focus_startup();
window_startup();
plugin_startup();
/* load the plugins specified in the pluginrc */
plugin_loadall();
/* set up the kernel config shit */
config_startup();
menu_startup();
/* parse/load user options */
if (parse_load_rc(&doc, &node))
parse_tree(doc, node->xmlChildrenNode, NULL);
/* we're done with parsing now, kill it */
parse_shutdown();
/* load the theme specified in the rc file */
ob_rr_theme = RrThemeNew(ob_rr_inst, config_theme);
if (ob_rr_theme == NULL)
exit_with_error("Unable to load a theme.");
moveresize_startup();
screen_startup();
group_startup();
client_startup();
dock_startup();
/* call startup for all the plugins */
plugin_startall();
/* get all the existing windows */
client_manage_all();
state = OB_STATE_RUNNING;
while (!shutdown)
event_loop();
state = OB_STATE_EXITING;
dock_remove_all();
client_unmanage_all();
plugin_shutdown(); /* calls all the plugins' shutdown functions */
dock_shutdown();
client_shutdown();
group_shutdown();
screen_shutdown();
focus_shutdown();
moveresize_shutdown();
menu_shutdown();
window_shutdown();
grab_shutdown();
event_shutdown();
timer_shutdown();
config_shutdown();
}
dispatch_shutdown();
RrThemeFree(ob_rr_theme);
RrInstanceFree(ob_rr_inst);
session_shutdown();
g_free(ob_sm_id);
XCloseDisplay(ob_display);
if (restart) {
if (restart_path != NULL) {
int argcp;
char **argvp;
GError *err = NULL;
/* run other shit */
if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
execvp(argvp[0], argvp);
g_strfreev(argvp);
} else {
g_warning("failed to execute '%s': %s", restart_path,
err->message);
}
}
/* re-run me */
execvp(argv[0], argv); /* try how we were run */
}
return 0;
}
static void signal_handler(const ObEvent *e, void *data)
{
int s;
s = e->data.s.signal;
switch (s) {
case SIGUSR1:
fprintf(stderr, "Caught SIGUSR1 signal. Restarting.");
ob_restart();
break;
case SIGHUP:
case SIGINT:
case SIGTERM:
case SIGPIPE:
fprintf(stderr, "Caught signal %d. Exiting.", s);
ob_exit();
break;
case SIGFPE:
case SIGSEGV:
fprintf(stderr, "Caught signal %d. Aborting and dumping core.", s);
abort();
}
}
static void print_version()
{
g_print("Openbox %s\n\n", PACKAGE_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");
}
static void print_help()
{
print_version();
g_print("Syntax: openbox [options]\n\n");
g_print("Options:\n\n");
#ifdef USE_SM
g_print(" --sm-disable Disable connection to session manager\n");
g_print(" --sm-client-id ID Specify session management ID\n");
g_print(" --sm-save-file FILE Specify file to load a saved session\n"
" from\n");
#endif
g_print(" --replace Replace the currently running window "
"manager\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\n"
" meant for debugging X routines)\n");
g_print(" --debug Display debugging output\n");
g_print("\nPlease report bugs at %s\n", PACKAGE_BUGREPORT);
}
static 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], "--g-fatal-warnings")) {
g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
} else if (!strcmp(argv[i], "--replace")) {
ob_replace_wm = TRUE;
} else if (!strcmp(argv[i], "--sync")) {
xsync = TRUE;
} else if (!strcmp(argv[i], "--debug")) {
ob_debug_show_output(TRUE);
#ifdef USE_SM
} else if (!strcmp(argv[i], "--sm-client-id")) {
if (i == argc - 1) /* no args left */
g_printerr(_("--sm-client-id requires an argument\n"));
else
ob_sm_id = g_strdup(argv[++i]);
} else if (!strcmp(argv[i], "--sm-save-file")) {
if (i == argc - 1) /* no args left */
g_printerr(_("--sm-save-file requires an argument\n"));
else
sm_save_file = argv[++i];
} else if (!strcmp(argv[i], "--sm-disable")) {
ob_sm_use = FALSE;
#endif
} else {
g_printerr("Invalid option: '%s'\n\n", argv[i]);
print_help();
exit(1);
}
}
}
static void exit_with_error(gchar *msg)
{
g_critical(msg);
session_shutdown();
exit(EXIT_FAILURE);
}
void ob_restart_other(const gchar *path)
{
restart_path = g_strdup(path);
ob_restart();
}
void ob_restart()
{
restart = TRUE;
ob_exit();
}
void ob_exit()
{
shutdown = TRUE;
}
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;
}