// --- Main Function ------------------------------------------------------
int main(int argc, char* argv[]) {
if(argc == 2 && !strcmp("-v", argv[1]))
die("INFO", "FusionWM-"VERSION);
else if (argc != 1)
die("INFO", "Usage: fusionwm [-v]");
if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
say("WARNING", "No locale support");
if(!(gDisplay = XOpenDisplay(NULL)))
die("ERROR", "Cannot open display");
checkotherwm();
// Setup
setup();
scan();
all_monitors_apply_layout();
// Main loop
XEvent event;
XSync(gDisplay, False);
while (!gAboutToQuit && !XNextEvent(gDisplay, &event))
if(handler[event.type])
handler[event.type](&event); // call handler
// Cleanup
cleanup();
XCloseDisplay(gDisplay);
return EXIT_SUCCESS;
}
void
init(const char *_cmd)
{
x11_init();
checkotherwm();
cmd = _cmd;
/* Setup the motion struct */
motion = xcalloc(1, sizeof(struct motion));
motion->type = NoMotion;
sysinfo_init();
clients_init();
bars_init(settings()->barfont);
launcher_init();
/* Select wvents to handle */
XSelectInput(dpy, root, WM_EVENT_MASK);
/* Setup cursors */
cursors_init();
cursor_set(root, NormalCursor);
/* Setup key bindings */
keys = settings()->keys;
key_init();
key_grab_all(keys);
/* Init atoms and EWMH */
atoms_init();
ewmh_init(wm_name);
/* Init program lists */
program_init(getenv("PATH"));
/* Create monitors */
create_monitors();
/* Init ewmh desktop functionality */
ewmh_root_set_number_of_desktops(
monitor_count(mons) * N_WORKSPACES);
ewmh_root_set_current_desktop(0);
get_windows();
set_environment();
}
int main(int argc, char* argv[]) {
parse_arguments(argc, argv);
if(!(g_display = XOpenDisplay(NULL)))
die("herbstluftwm: cannot open display\n");
checkotherwm();
// remove zombies on SIGCHLD
sigaction_signal(SIGCHLD, remove_zombies);
sigaction_signal(SIGINT, handle_signal);
sigaction_signal(SIGQUIT, handle_signal);
sigaction_signal(SIGTERM, handle_signal);
// set some globals
g_screen = DefaultScreen(g_display);
g_screen_width = DisplayWidth(g_display, g_screen);
g_screen_height = DisplayHeight(g_display, g_screen);
g_root = RootWindow(g_display, g_screen);
XSelectInput(g_display, g_root, ROOT_EVENT_MASK);
// initialize subsystems
for (int i = 0; i < LENGTH(g_modules); i++) {
g_modules[i].init();
}
fetch_settings();
// setup
ensure_monitors_are_available();
scan();
tag_force_update_flags();
all_monitors_apply_layout();
ewmh_update_all();
execute_autostart_file();
// main loop
XEvent event;
int x11_fd;
fd_set in_fds;
x11_fd = ConnectionNumber(g_display);
while (!g_aboutToQuit) {
FD_ZERO(&in_fds);
FD_SET(x11_fd, &in_fds);
// wait for an event or a signal
select(x11_fd + 1, &in_fds, 0, 0, NULL);
if (g_aboutToQuit) {
break;
}
while (XPending(g_display)) {
XNextEvent(g_display, &event);
void (*handler) (XEvent*) = g_default_handler[event.type];
if (handler != NULL) {
handler(&event);
}
}
}
// destroy all subsystems
for (int i = LENGTH(g_modules); i --> 0;) {
g_modules[i].destroy();
}
XCloseDisplay(g_display);
// check if we shall restart an other window manager
if (g_exec_before_quit) {
if (g_exec_args) {
// do actual exec
HSDebug("==> Doing wmexec to %s\n", g_exec_args[0]);
execvp(g_exec_args[0], g_exec_args);
fprintf(stderr, "herbstluftwm: execvp \"%s\"", g_exec_args[0]);
perror(" failed");
}
// on failure or if no other wm given, then fall back
HSDebug("==> Doing wmexec to %s\n", argv[0]);
execvp(argv[0], argv);
fprintf(stderr, "herbstluftwm: execvp \"%s\"", argv[1]);
perror(" failed");
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
