Re: Changing JButton icon when pressed

Knute Johnson <>
Wed, 03 May 2006 11:55:52 -0700
<_076g.30311$oz1.20868@newsfe06.phx> wrote:

Knute - Thank you so much for your response and advice. I altered the
the ActionListener to call the setIcon() method, as follows:

  public void actionPerformed(ActionEvent e) {
    if (e.getActionCommand().equals("Center")) {
      zoomlevel = defaultzoomlevel;
    else if (e.getActionCommand().equals("ZoomIn")) {
      if (zoomlevel > 1) {
        zoomlevel = zoomlevel - 1;
    else if (e.getActionCommand().equals("ZoomOut")) {
      if (zoomlevel < 5) {
        zoomlevel = zoomlevel + 1;

At this point, I am just trying to get the button to change, and stay
changed, when I click it. The button will stay the "selected" color
until I move the mouse off the button, and then it changes back to the
unselected color. Any ideas?



I can't really tell what you are doing without the actual code or a
simplified example. If your buttons are responding to mouse events
though it must be happening in a mouse listener not the action listener.
   You shouldn't need to call repaint() in the action listener to change
icons or colors. Below is a simplified example of how to highlight the
last button pressed. You should be able to modify this to work with
icons without much trouble.

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

public class test4 {
     static JButton b0,b1,b2;

     public static void createGUI() {
         JFrame f = new JFrame();
         ActionListener al = new ActionListener() {
             public void actionPerformed(ActionEvent ae) {
                 String ac = ae.getActionCommand();
                 if (ac.equals("0")) {
                 } else if (ac.equals("1")) {
                 } else if (ac.equals("2")) {
         b0 = new JButton("0");
         b1 = new JButton("1");
         b2 = new JButton("2");

     public static void main(String[] args) {
         Runnable r = new Runnable() {
             public void run() {


Knute Johnson
email s/nospam/knute/

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