Re: dynamic tool tip text

From: Knute Johnson<nospam@rabbitbrush.frazmtn.com>
Subject: Re: dynamic tool tip text
Newsgroups: comp.lang.java.programmer
Date: Thu, 18 Mar 2010 10:16:51 -0700
Organization: NewsDemon

On 3/18/2010 9:32 AM, Jim Janney wrote:


Sure it does.

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class test extends JPanel {
      String[] items = {"One","Two","Three","Four","Five"};

      public test() {
          super(new GridBagLayout());

          setPreferredSize(new Dimension(400,300));

          JComboBox b = new JComboBox(items);
          b.addMouseListener(new MouseAdapter() {
              public void mouseEntered(MouseEvent me) {
                  JComponent c = (JComponent)me.getSource();
                  if (me.isAltDown())
                      c.setToolTipText("ALT is pressed");
                  else
                      c.setToolTipText("ALT isn't pressed!");

              }
          });
          add(b);
      }

      public static void main(String[] args) {
          EventQueue.invokeLater(new Runnable() {
              public void run() {
                  JFrame f = new JFrame();
                  f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                  test t = new test();
                  f.add(t);
                  f.pack();
                  f.setVisible(true);
              }
          });
      }
}