void destroy_chain(chain_t *chain)
{
chord_t *c = chain->head;
while (c != NULL) {
chord_t *n = c->next;
destroy_chord(c);
c = n;
}
}
void mapping_notify(xcb_generic_event_t *evt)
{
if (!mapping_count)
return;
xcb_mapping_notify_event_t *e = (xcb_mapping_notify_event_t *) evt;
PRINTF("mapping notify %u %u\n", e->request, e->count);
if (e->request == XCB_MAPPING_POINTER)
return;
if (xcb_refresh_keyboard_mapping(symbols, e) == 1) {
destroy_chord(escape_chord);
get_lock_fields();
reload_cmd();
escape_chord = make_chord(ESCAPE_KEYSYM, XCB_NONE, 0, XCB_KEY_PRESS, false, false);
if (mapping_count > 0)
mapping_count--;
}
}
int main(int argc, char *argv[])
{
char opt;
char *fifo_path = NULL;
char *socket_path = NULL;
status_fifo = NULL;
config_path = NULL;
mapping_count = 0;
timeout = TIMEOUT;
grabbed = false;
sock_address.sun_family = AF_UNIX;
sock_address.sun_path[0] = 0;
snprintf(motion_msg_tpl, sizeof(motion_msg_tpl), "%s", MOTION_MSG_TPL);
unsigned int max_freq = 0;
motion_interval = 0;
last_motion_time = 0;
redir_fd = -1;
while ((opt = getopt(argc, argv, "vhm:t:c:r:s:f:o:g:")) != (char)-1) {
switch (opt) {
case 'v':
printf("%s\n", VERSION);
exit(EXIT_SUCCESS);
break;
case 'h':
printf("sxhkd [-h|-v|-m COUNT|-t TIMEOUT|-c CONFIG_FILE|-r REDIR_FILE|-s STATUS_FIFO|-o MOTION_SOCKET|-g MOTION_MSG_TPL] [EXTRA_CONFIG ...]\n");
exit(EXIT_SUCCESS);
break;
case 'm':
if (sscanf(optarg, "%i", &mapping_count) != 1)
warn("Can't parse mapping count.\n");
break;
case 't':
timeout = atoi(optarg);
break;
case 'c':
config_path = optarg;
break;
case 'r':
redir_fd = open(optarg, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (redir_fd == -1)
warn("Failed to open the command redirection file.\n");
break;
case 's':
fifo_path = optarg;
break;
case 'o':
socket_path = optarg;
break;
case 'g':
snprintf(motion_msg_tpl, sizeof(motion_msg_tpl), "%s", optarg);
break;
case 'f':
if (sscanf(optarg, "%u", &max_freq) != 1)
warn("Can't parse maximum pointer frequency.\n");
break;
}
}
num_extra_confs = argc - optind;
extra_confs = argv + optind;
if (config_path == NULL) {
char *config_home = getenv(CONFIG_HOME_ENV);
if (config_home != NULL)
snprintf(config_file, sizeof(config_file), "%s/%s", config_home, CONFIG_PATH);
else
snprintf(config_file, sizeof(config_file), "%s/%s/%s", getenv("HOME"), ".config", CONFIG_PATH);
} else {
snprintf(config_file, sizeof(config_file), "%s", config_path);
}
if (socket_path == NULL) {
socket_path = getenv(SOCKET_ENV);
}
if (socket_path == NULL) {
char *host = NULL;
int dn = 0, sn = 0;
if (xcb_parse_display(NULL, &host, &dn, &sn) != 0) {
snprintf(sock_address.sun_path, sizeof(sock_address.sun_path), SOCKET_PATH_TPL, host, dn, sn);
} else {
warn("Failed to set motion socket address.");
}
free(host);
} else {
snprintf(sock_address.sun_path, sizeof(sock_address.sun_path), "%s", socket_path);
}
if (fifo_path != NULL) {
int fifo_fd = open(fifo_path, O_RDWR | O_NONBLOCK);
if (fifo_fd != -1)
status_fifo = fdopen(fifo_fd, "w");
else
warn("Couldn't open status fifo.\n");
}
if (max_freq != 0)
motion_interval = 1000.0 / max_freq;
signal(SIGINT, hold);
signal(SIGHUP, hold);
signal(SIGTERM, hold);
signal(SIGUSR1, hold);
signal(SIGUSR2, hold);
signal(SIGALRM, hold);
setup();
get_standard_keysyms();
get_lock_fields();
escape_chord = make_chord(ESCAPE_KEYSYM, XCB_NONE, 0, XCB_KEY_PRESS, false, false);
load_config(config_file);
for (int i = 0; i < num_extra_confs; i++)
load_config(extra_confs[i]);
grab();
xcb_generic_event_t *evt;
int fd = xcb_get_file_descriptor(dpy);
fd_set descriptors;
reload = toggle_grab = bell = chained = locked = false;
running = true;
xcb_flush(dpy);
while (running) {
FD_ZERO(&descriptors);
FD_SET(fd, &descriptors);
if (select(fd + 1, &descriptors, NULL, NULL, NULL) > 0) {
while ((evt = xcb_poll_for_event(dpy)) != NULL) {
uint8_t event_type = XCB_EVENT_RESPONSE_TYPE(evt);
switch (event_type) {
case XCB_KEY_PRESS:
case XCB_KEY_RELEASE:
case XCB_BUTTON_PRESS:
case XCB_BUTTON_RELEASE:
key_button_event(evt, event_type);
break;
case XCB_MOTION_NOTIFY:
motion_notify(evt);
break;
case XCB_MAPPING_NOTIFY:
mapping_notify(evt);
break;
default:
PRINTF("received event %u\n", event_type);
break;
}
free(evt);
}
}
if (reload) {
signal(SIGUSR1, hold);
reload_cmd();
reload = false;
}
if (toggle_grab) {
signal(SIGUSR2, hold);
toggle_grab_cmd();
toggle_grab = false;
}
if (bell) {
signal(SIGALRM, hold);
abort_chain();
if (status_fifo != NULL)
put_status(TIMEOUT_PREFIX, "Timeout reached");
bell = false;
}
if (xcb_connection_has_error(dpy)) {
warn("The server closed the connection.\n");
running = false;
}
}
if (redir_fd != -1)
close(redir_fd);
if (status_fifo != NULL)
fclose(status_fifo);
ungrab();
cleanup();
destroy_chord(escape_chord);
xcb_key_symbols_free(symbols);
xcb_disconnect(dpy);
return EXIT_SUCCESS;
}