sclass JButtonWithInset extends JButton {
  *() {}
  *(S text) { super(text); }
  *(Action action) { super(action); }
  
  int inset = 10;
  
  public Dimension getMinimumSize() {
    Dimension d = super.getMinimumSize();
    ret new Dimension(d.width+inset, d.height+inset);
  }

  public Dimension getPreferredSize() {
    Dimension d = super.getPreferredSize();
    ret new Dimension(d.width+inset, d.height+inset);
  }
}