Name: stC104175 Date: 08/31/2000


java version "1.3.0"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.0-beta)
Java HotSpot(TM) Client VM (build 1.3-beta, mixed mode)


/*
  JDialog and JPopupMenu are displayed in wrong monitor when using Multiple
Display option of Graphic2D.

  All JDialogs and JPopupMenus initialized by a GUI displayed on a Monitor
(Display) different than the default is always displayed in the default Display
(DISPLAY=:0.0)

Enclosed is a demo that will duplicate the problem.

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

public class DualHeadTest extends JFrame implements ActionListener
{
  private boolean isMain = false;

  private GraphicsConfiguration graphConf = null;

  private JButton popupButton = null;
  private JButton dialogButton = null;
  private JButton frameButton = null;
  private JButton okButton = null;

  private JFrame demoFrame = null;

  private JPopupMenu aPopup = null;
  private JMenuItem okMenuItem = null;

  private JMenu fileMenu = null;
  private JMenuItem exitMenuItem = null;


  private static Dimension screenSize = null;

  public DualHeadTest( String title, GraphicsConfiguration gc ,
                       boolean mainVwr )
  {
    super( title, gc );
    graphConf = gc;
    isMain = mainVwr;

    super.addWindowListener(new WindowAdapter()
      {
        public void windowClosing(WindowEvent e)
        {
          shutdown();
        }
      });

    super.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);

    exitMenuItem = new JMenuItem("Exit", 'x');
    exitMenuItem.addActionListener(this);
    exitMenuItem.setCursor( new Cursor(Cursor.HAND_CURSOR) );

    fileMenu = new JMenu("File");
    fileMenu.setMnemonic('F');
    fileMenu.add(exitMenuItem);

    JMenuBar menuBar = new JMenuBar();
    menuBar.add( fileMenu );

    super.setJMenuBar( menuBar );

    popupButton = makeButton( "Show JPopupMenu" );
    dialogButton = makeButton( "Show JDialog" );
    frameButton = makeButton( "Show JFrame" );
    okButton = makeButton( "OK" );

    okMenuItem = new JMenuItem( "Do Nothing ... is a Demo" );
    okMenuItem.addActionListener( this );

    aPopup = new JPopupMenu( "Menu for JPopupMenu" );
    aPopup.setInvoker( popupButton );
    aPopup.add( okMenuItem );

    Container contentPane = super.getContentPane();
    contentPane.setLayout( new BoxLayout( contentPane, BoxLayout.Y_AXIS ) );
    contentPane.add( Box.createVerticalStrut(8) );
    contentPane.add( popupButton );
    contentPane.add( Box.createVerticalStrut(8) );
    contentPane.add( dialogButton );
    contentPane.add( Box.createVerticalStrut(8) );
    contentPane.add( frameButton );
    contentPane.add( Box.createVerticalStrut(8) );

    super.pack();

    if( null == screenSize )
      screenSize = Toolkit.getDefaultToolkit().getScreenSize();

    Dimension size = super.getSize();
    
    int y = (screenSize.height - size.height) / 2 ;
    int x = (screenSize.width - size.width ) / 2 ;

    super.setLocation(x, y);
    super.setVisible( true );
    
  }

  public void actionPerformed(ActionEvent evt)
  {
    Object source = evt.getSource();
      
    if(source == popupButton )
      {
        aPopup.show( popupButton, 0,0 );
      }
    else if(source == dialogButton )
      {
        JOptionPane.showMessageDialog( this,
                                       "This is a Demo...",
                                       "DEMO",
                                       JOptionPane.INFORMATION_MESSAGE );
      }
    else if(source == frameButton )
      {
        demoFrame = new JFrame( "JFrame Demo", graphConf );

        Container demoContentPane = demoFrame.getContentPane();
        demoContentPane.setLayout( new BoxLayout( demoContentPane,
                                                  BoxLayout.Y_AXIS ) );
        demoContentPane.add( Box.createVerticalStrut(8) );
        demoContentPane.add( okButton );
        demoContentPane.add( Box.createVerticalStrut(8) );

        demoFrame.setSize(100, 100);
        
        Dimension size = demoFrame.getSize();
    
        int y = (screenSize.height - size.height) / 2 ;
        int x = (screenSize.width - size.width ) / 2 ;

        demoFrame.setLocation(x, y);
        demoFrame.setVisible( true );
        
      }
    else if(source == okButton )
      {
        demoFrame.setVisible(false);
        demoFrame.dispose();

        demoFrame = null;
      }
    else if(source == okMenuItem )
      {
        Toolkit.getDefaultToolkit().beep();
      }
    else if(source == exitMenuItem )
      {
        shutdown();
      }
  }
  
  private void shutdown()
  {
    super.setVisible( false );

    okMenuItem.removeActionListener(this);
    exitMenuItem.removeActionListener(this);
    popupButton.removeActionListener(this);
    dialogButton.removeActionListener(this);
    frameButton.removeActionListener(this);
    okButton.removeActionListener(this);

    super.dispose();

    if( isMain )
      {
        System.exit( 0 );
      }
  }


  private JButton makeButton( String txt )
  {
    JButton btn = new JButton( txt );
    btn.addActionListener( this );
    return btn;
  }
  

  public static void main(String[] args)
  {
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice[] gs = ge.getScreenDevices();

DualHeadTest[] viewers = new DualHeadTest[gs.length];

    for (int j = 0; j < gs.length; j++)
      {
        String title = "Viewer # " + Integer.toString(j);
        System.out.println("Creating " + title );
        viewers[j] = new DualHeadTest(title,
                                      gs[j].getDefaultConfiguration(),
                                      (0 == j) );
      }
  }

}
(Review ID: 106482)
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