static void chk_handler(GtkToggleButton *bn, void *data)
{
int which = (int)data;
int state = gtk_toggle_button_get_active(bn);
if(which < 6) {
cfg.invert[which] = state;
update_cfg();
}
if(which == 10) {
cfg.led = state;
update_cfg();
}
}
int backend(int pfd)
{
signal(SIGTERM, sig);
for(;;) {
ssize_t res;
int cmd, tmp;
/* get command */
cmd = 0;
if(read(pfd, &cmd, 1) == -1 && errno != EINTR) {
perror("pipe read blew up in my face! wtf");
return -1;
}
switch(cmd) {
case CMD_PING:
tmp = (dpid = get_daemon_pid()) != -1;
write(pfd, &tmp, 1);
break;
case CMD_CFG:
{
char *buf = (char*)&cfg;
int sz = sizeof cfg;
while(sz && (res = read(pfd, buf, sz)) > 0) {
buf += res;
sz -= res;
}
update_cfg();
}
break;
case CMD_STARTX:
case CMD_STOPX:
if(dpid == -1) {
if((dpid = get_daemon_pid()) == -1) {
return -1;
}
}
if(kill(dpid, cmd == CMD_STARTX ? SIGUSR1 : SIGUSR2) == -1) {
if(errno != EPERM) {
dpid = -1;
kill(getppid(), SIGUSR2);
}
}
break;
default:
fprintf(stderr, "unknown CMD: %d\n", (int)cmd);
break;
}
}
return 0;
}
static void slider_handler(GtkRange *rng, void *data)
{
cfg.sensitivity = gtk_range_get_value(rng);
update_cfg();
}
