static new WeakHashMap<JFrame, S> titleStatus_map;

static void titleStatus(Component c, O _status) {
  S status = strOrEmpty(_status);
  JFrame f = getFrame(c);
  if (f == null) ret;
  S sep = " - ";
  S s = titleStatus_map.get(f);
  if (s != null) s = empty(status) ? s : status + sep + s;
  else s = replaceLeader(status, sep, getFrameTitle(f));
  setFrameTitle(f, s);
}

static void titleStatus_setBaseTitle(Component c, S title) {
  mapPut(titleStatus_map, getFrame(c), title);
}