Re: Swing embedded in SWT

From:
"Richard" <richard@THRWHITE.remove-dii-this>
Newsgroups:
comp.lang.java.gui
Date:
Wed, 27 Apr 2011 15:28:18 GMT
Message-ID:
<1168011152.725860.271530@s80g2000cwa.googlegroups.com>
  To: comp.lang.java.gui
As I followup to this, I ran this using JRE v1.5 and it worked fine.
This DOESN"T work in JRE v1.4.2. Does anyone know of a workaround in
JRE v1.4.2? I can't move to JRE v1.5 at this time.

rjkoop@gmail.com wrote:

I'm having problems when I embed an Swing component within an SWT
composite. Inside the Swing component I have a JTable that contains a
JPopupMenu. The popup menu comes up fine when I right mouse click and
go does correctly if I click anywhere inside the Swing component but
DOESN"T dissapear when I click on an SWT appear of the application.

From what I've read I'm doing it correctly. Is this a bug in

Eclipse/SWT? I'm using the Eclipse 3.2.1 and the associated SWT 3.2.1.

Here's a simple block of code that can be used to reproduce the
problem. Am I doing something wrong? Or do I have to manually code
the popdown of the Swing JPopupMenu from the SWT thread?

/*
 * Created on 20-Apr-06
 *
 */
package mine.app;

import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.JRootPane;
import javax.swing.JScrollPane;
import javax.swing.JTable;

import org.eclipse.swt.SWT;
import org.eclipse.swt.awt.SWT_AWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;

public class SWTAWTTest
{
    public static void main(String[] args)
    {
        Display swtDisplay = new Display();
        Shell swtShell = new Shell(swtDisplay);
        swtShell.setSize(400,200);
        swtShell.setLayout(new FillLayout());

        Label swtLabel = new Label(swtShell,SWT.NONE);
        swtLabel.setText("SWT Label");
        swtLabel.setToolTipText("SWT Label");

        Button swtButton = new Button(swtShell,SWT.NONE);
        swtButton.setText("SWT Button");
        swtButton.setToolTipText("SWT Button");

        Table swtTable = new Table(swtShell,SWT.BORDER);
        swtTable.setHeaderVisible(true);
        swtTable.setLinesVisible(true);
        swtTable.setToolTipText("SWT Table");

        Composite swtComposite = new Composite(swtShell,SWT.NO_BACKGROUND |
SWT.EMBEDDED);
        Frame swingFrame = SWT_AWT.new_Frame(swtComposite);
        final JTable swingTable = new JTable(5,5);

        swingTable.addMouseListener(new MouseAdapter(){
            public void mouseClicked(MouseEvent e)
            {
                if (e.getButton() != 3)
                    return;

                JPopupMenu popup = new JPopupMenu();
                JMenuItem menuItem = new JMenuItem("Select me");
                menuItem.addActionListener(new ActionListener()
                {
                    public void actionPerformed(ActionEvent e)
                    {
                    }
                });
                popup.add(menuItem);
                popup.show(swingTable,e.getX(),e.getY());
            }
        });

        JScrollPane scrollPane = new JScrollPane(swingTable);
        swingFrame.add(scrollPane);

        swtShell.open();
        while (!swtShell.isDisposed())
        {
            if (!swtDisplay.readAndDispatch())
                swtDisplay.sleep();

        }

        swtDisplay.dispose();
    }

}


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