srecord noeq CenteredComboBoxRenderer<A>(ListCellRenderer<A> baseRenderer) is ListCellRenderer<A> {
  settable bool centerItems;
  
  public Component getListCellRendererComponent(JList list, A value, int index, bool isSelected, bool cellHasFocus) {
    var c = baseRenderer.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
    if (c cast JLabel) {
      if (centerItems() || index < 0)
        centerLabel(c);
      else
        leftAlignLabel(c);
    }
    ret c;
  }
}