How to show tooltip on mouse right click...

Question

Hi everyone!
I'm trying to show a tooltip when the user clicks on a button with the mouse right button but I'm having some problems starting, for example, with the tooltip position. For example, look at the the following example(without mouse listener yet):
public class test extends JFrame{
     private JToolTip      jtp      = new JToolTip();
     private JButton      button      = new JButton("a button");
     private JPanel           panel      = new JPanel();
     public test(){
          add(panel);
          panel.add(button);
          jtp.setTipText("a tooltip");
          jtp.setBounds(10,10,10,10);
          jtp.setVisible(true);
          panel.add(jtp);
     public static void main(String[] args) {
          test x = new test();          
        x.setVisible(true);
}Why the setBounds doesn't set the position? In fact it doesn't do anything.
Is it possible to the tooltip to partially overlap the button. As far I checked they only stay side by side.
I hope you understand my english...
Filipe

Answer 1

Use this code to show custom tool tip.
You should also handle the hiding of the tool tip.
JButton button = new JButton("test");
button.addMouseListener(new MouseAdapter() {
    public void mouseClicked(MouseEvent e) {
        if (e.getButton() == MouseEvent.BUTTON3) {
            JButton button = (JButton) e.getSource();
            JToolTip tooltip = button.createToolTip();
            PopupFactory popupFactory = PopupFactory.getSharedInstance();
            tooltip.setTipText("a tooltip");
            final Popup tooltip1 = popupFactory.getPopup(button, tooltip,
                    button.getLocationOnScreen().x + e.getX(),
                    button.getLocationOnScreen().y + e.getY() + 20);
            tooltip1.show();                       
});