Listener « JPanel « Java Swing Q&A

1. Problem with mouseListener on JPanel    stackoverflow.com

I have problem with mouseListener in JPanel. I add JLabel which contain image(size 600 x 600) on JPanel, and I add mouseListener for the JPanel. Everytimes I click on the image, the image ...

2. JPanel.addComponentListener does not work when the listener is a class variable    stackoverflow.com

I have a public class which has the following method and instance variable:

public void setImagePanel(JPanel value) {
  imagePanel = value;

  if (imagePanel != null) {

     ...

3. Listening for action on internal JPanel from a JFrame    stackoverflow.com

I have a JFrame that has a BottomPanel (a class I made that extends JPanel) inside it. And inside that JPanel is another JPanel called DicePanel(that again extends JPanel). In DicePanel there is ...

4. problem using an action listener and swing timer on a jpanel    forums.netbeans.org

kswiss Joined: 02 Apr 2011 Posts: 1 Posted: Sat Apr 02, 2011 9:00 pm Post subject: problem using an action listener and swing timer on a jpanel hi all, im making a school management system using netbeans java desktop application just need help displaying moving text on a jpanel at the bottom of my mainform. i used a ...

5. JPanel and JFrame listener    coderanch.com

6. What is the advantage of adding custom listener to panel    coderanch.com

Hi, I was taught by my lecturer on how to add custom listener to the panel itself. He actually taught me it through an example of 'Login Page'. I don't exactly remember what he said. It goes something like this, "When you have validated the username and password, it's time to say whether user is authorized to enter or not. All ...

7. JPanel Listener doesn't work in a JFrame...    java-forums.org

import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import javax.swing.JFrame; import javax.swing.JPanel; public class JPanelInJFrame extends JFrame { JPanel panel; public JPanelInJFrame() { panel = null; } public void start() { panel = new JPanel(); panel.setSize(200,200); panel.setVisible(true); panel.addMouseListener(new MouseAdapter() { @Override public void mousePressed(MouseEvent e) { System.out.println(e); } }); this.pack(); this.setVisible(true); } public static void main(String[] args) { JPanelInJFrame frame = new JPanelInJFrame(); frame.setSize(200, 200); ...

8. problem using an action listener and swing timer on a jpanel    java-forums.org

problem using an action listener and swing timer on a jpanel hi all, im making a school management system using netbeans java desktop application just need help displaying moving text on a jpanel at the bottom of my mainform. i used a swing timer class bt doesnt work despite there being no errors. i also have another jpanel below ...

9. Action listener and the JPanel    forums.oracle.com

Is it possible to use an ActionListener to redraw, or repaint an existing paint component on a JPanel? The problem is I've got to create a traffic light that changes with the button, using a JPanel and the paintComponent. My thought was to create a constructor class for the different states of the lights, and implement the changes through the ActionPerformed ...