public void send_key(Window window, int keysym)
{
bool capital = keysym >= 'A' && keysym <= 'Z';
// keysym of corresponding small letter
int small_keysym = !capital ? keysym : keysym + ('a' - 'A');
KeyPress key_event = new KeyPress(display);
key_event.set_window(window);
key_event.set_detail(display.input.keysym_to_keycode(small_keysym));
if (capital)
{
key_event.set_state(gnu.x11.Input.SHIFT_MASK);
}
window.send_event(false, Event.NO_EVENT_MASK, key_event);
}