static JComboBox jBotSelector() {
  final new JComboBox cb;
  thread {
    loading {
      L<ScannedBot> l = fullBotScan();
      setComboBoxItems(cb, map(l, func(ScannedBot b) {
        ret "[" + b.address + "] " + b.helloString;
      }));
    }
  }
  ret cb;
}