spinner.setOpaque(true);
  protected void installDefaults()  {    /* most of it copied from BasicLabelUI, I don't know what keys are       available, so someone may want to update this. Hence: TODO    */    UIDefaults defaults = UIManager.getLookAndFeelDefaults();    /*    spinner.setForeground(defaults.getColor("Spinner.foreground"));    spinner.setBackground(defaults.getColor("Spinner.background"));    spinner.setFont(defaults.getFont("Spinner.font"));    spinner.setBorder(defaults.getBorder("Spinner.border"));    */    spinner.setLayout(createLayout());  }