static void sighandler(int sig) {
(void)sig;
restore_stdin();
// Assume we'll only be called before death
// See note before sigaction() in set_stdin_raw()
//
// Now, close all standard I/O to cause the pumps
// to exit so we can continue and retrieve the exit
// code
close(STDIN_FILENO);
close(STDOUT_FILENO);
close(STDERR_FILENO);
// Put back all the default handlers
struct sigaction act;
int i;
memset(&act, '\0', sizeof(act));
act.sa_handler = SIG_DFL;
for (i = 0; quit_signals[i]; i++) {
if (sigaction(quit_signals[i], &act, NULL) < 0) {
PLOGE("Error removing signal handler");
continue;
}
}
}
void feh_event_handle_stdin()
{
char stdin_buf[2];
static char is_esc = 0;
KeySym keysym = NoSymbol;
if (read(STDIN_FILENO, &stdin_buf, 1) == -1) {
control_via_stdin = 0;
if (isatty(STDIN_FILENO) && getpgrp() == (tcgetpgrp(STDIN_FILENO))) {
weprintf("reading a command from stdin failed - disabling control via stdin");
restore_stdin();
}
return;
}
stdin_buf[1] = '\0';
// escape?
if (stdin_buf[0] == 0x1b) {
is_esc = 1;
return;
}
if ((is_esc == 1) && (stdin_buf[0] == '[')) {
is_esc = 2;
return;
}
if (stdin_buf[0] == ' ')
keysym = XK_space;
else if (stdin_buf[0] == '\n')
keysym = XK_Return;
else if ((stdin_buf[0] == '\b') || (stdin_buf[0] == 127))
keysym = XK_BackSpace;
else if (is_esc == 2) {
if (stdin_buf[0] == 'A')
keysym = XK_Up;
else if (stdin_buf[0] == 'B')
keysym = XK_Down;
else if (stdin_buf[0] == 'C')
keysym = XK_Right;
else if (stdin_buf[0] == 'D')
keysym = XK_Left;
is_esc = 0;
}
else
keysym = XStringToKeysym(stdin_buf);
if (window_num)
feh_event_handle_generic(windows[0], is_esc * Mod1Mask, keysym, 0);
is_esc = 0;
}
