How to handle mouse click event on up-arrow of JSpinner?

Question

Hi Everybody,
I have a JSpinner component holding a date field in it (dd/mm/yyyy). I have handeled keyboard up and down arrow key events for the component and that's working as expected. Now I want to make it work for mouse clicks on the up (UP_ARROW_SUBCOMPONENT) and down arrow (DOWN_ARROW_SUBCOMPONENT) buttons of the component.
Could somebody guide me how to do it? My investigatoin hints me to use JSpinnerMouseEventData but I am not exactly getting how to get it done.
Thanks in advance!

Answer 1

if you just want to add a mouseListener to the spinner's buttons, try this
(only coded it for the up/next button)
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class Testing
  public void buildGUI()
    JSpinner spinner = new JSpinner(new SpinnerNumberModel(50, 0, 100, 5));
    spinner.setUI(new javax.swing.plaf.basic.BasicSpinnerUI(){
      protected Component createNextButton()
        Component c = super.createNextButton();
        c.addMouseListener(new MouseAdapter(){
          public void mousePressed(MouseEvent me){
            System.out.println("mousie, going up");
        return c;
    JFrame f = new JFrame();
    f.getContentPane().add(spinner);
    f.pack();
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
  public static void main(String[] args)
    SwingUtilities.invokeLater(new Runnable(){
      public void run(){
        new Testing().buildGUI();
}