static <A extends JTextComponent> A bindTextComponentToIntLiveValue(final A tc, final SimpleLiveValue<Int> lv) {
  bindLiveValueListenerToComponent(tc, lv,
    // doing it in next AWT cycle to avoid "Attempt to mutate in notification"
    r-awt { setTextKeepCaret(tc, strOrNull(lv!)) });
  onChange(tc, r {
    S s = gtt(tc);
    if (isInteger(s) || empty(s))
      lv.set(parseIntOpt(s));
  });
  ret tc;
}