Name: diC59631 Date: 09/11/98


import com.sun.java.swing.*;
import java.awt.*;
import java.awt.event.*;

/**
  Title: Bad layout of JDesktopPane with maximized JInternalFrame
  
  Description:
    Resizing a JFrame that contains a JDesktopPane (below
    or to the right of another component) that contains a
    maximized JInternalFrame causes the JDesktopPane's
    location to be set to (0,0).
 */

public class DesktopPaneLayoutBug extends JFrame
{
  public DesktopPaneLayoutBug()
  {
    Dimension screenSize = getToolkit().getScreenSize();

    setBounds (screenSize.width / 4, screenSize.height / 4,
               screenSize.width / 2, screenSize.height / 2);
    
    addWindowListener (new WindowAdapter() {
      public void windowClosing (WindowEvent event)
      {
        System.exit(0);
      }
    });
  } // constructor
  
  static public void main(String args[])
  {
    JFrame mainFrame = new DesktopPaneLayoutBug();
    Container mainContent = mainFrame.getContentPane();
    JButton showBounds = new JButton ("Show Desktop Bounds");
    JInternalFrame textFrame = new JInternalFrame ("Test", true, true, true, true);

    textFrame.getContentPane().add (new JScrollPane (textArea));
    desktop.add (textFrame);

    showBounds.addActionListener (new ActionListener()
      {
        public void actionPerformed (ActionEvent e)
        {
          textArea.append ("Desktop bounds = " + desktop.getBounds() + "\n");
        }
      });
    
    mainContent.add (showBounds, BorderLayout.NORTH);
    mainContent.add (desktop, BorderLayout.CENTER);

    mainFrame.show();
    
    textFrame.show();
    try {
      textFrame.setMaximum (true);
    } catch (java.beans.PropertyVetoException e) {}
  } // main

  static private JDesktopPane desktop = new JDesktopPane();
  static private JTextArea textArea = new JTextArea ("Resize the JFrame and watch the JDesktopPane jump under the JButton\n");
} // DesktopPaneLayoutBug
(Review ID: 38627)
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