openbox/c/openbox.c
2003-03-16 21:11:39 +00:00

203 lines
5 KiB
C

#include "openbox.h"
#include "event.h"
#include "client.h"
#include "xerror.h"
#include "prop.h"
#include "screen.h"
#include "focus.h"
#include "extensions.h"
#include "python.h"
#include "hooks.h"
#include "eventdata.h"
#include "gettext.h"
#include "clientwrap.h"
#include "screenwrap.h"
#include "kbind.h"
#include "mbind.h"
#include "frame.h"
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#ifdef HAVE_SYS_SELECT_H
# include <sys/select.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
#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;
gboolean ob_remote = FALSE;
gboolean ob_sync = TRUE;
Cursors ob_cursors;
void signal_handler(int signal);
int main(int argc, char **argv)
{
struct sigaction action;
sigset_t sigset;
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);
/* set up signal handler */
sigemptyset(&sigset);
action.sa_handler = signal_handler;
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);
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);
/* XXX parse out command line args */
(void)argc;(void)argv;
/* critical warnings will exit the program */
g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
ob_display = XOpenDisplay(NULL);
if (ob_display == NULL)
/* print a message and exit */
g_critical("Failed to open the display.");
if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1)
/* print a message and exit */
g_critical("Failed to set display as close-on-exec.");
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_init(); /* get atoms values for the display */
extensions_query_all(); /* find which extensions are present */
if (screen_annex()) { /* it will be ours! */
frame_startup();
python_startup();
obexport_startup();
hooks_startup();
screenwrap_startup();
clientwrap_startup();
eventdata_startup();
event_startup();
screen_startup();
focus_startup();
client_startup();
kbind_startup();
mbind_startup();
/* load the user's settings */
if (!python_import("rc"))
g_warning("ERROR LOADING RC FILE");
LOGICALHOOK(Startup, g_quark_try_string("none"), NULL);
/* get all the existing windows */
client_manage_all();
ob_state = State_Running;
while (!ob_shutdown) {
event_loop();
}
ob_state = State_Exiting;
client_unmanage_all();
LOGICALHOOK(Shutdown, g_quark_try_string("none"), NULL);
mbind_shutdown();
kbind_shutdown();
client_shutdown();
screen_shutdown();
event_shutdown();
eventdata_shutdown();
clientwrap_shutdown();
screenwrap_shutdown();
hooks_shutdown();
obexport_shutdown();
python_shutdown();
}
XCloseDisplay(ob_display);
/* XXX if (ob_restart) */
return 0;
}
void signal_handler(int signal)
{
switch (signal) {
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.", signal);
ob_shutdown = TRUE;
break;
case SIGFPE:
case SIGSEGV:
g_error("Caught signal %d. Aborting and dumping core.", signal);
}
}