tests/org.eclipse.swt.tests.gtk/ManualTests/org/eclipse/swt/tests/gtk/snippets/Bug217324_ActivateEventDialog.java

/*******************************************************************************
 * Copyright (c) 2018 Red Hat and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     Red Hat - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.tests.gtk.snippets;


import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.*;

public class Bug217324_ActivateEventDialog
{
	
    public static void main(String[] args)
    {
        Display display = new Display();
        display.addFilter(SWT.Activate, new Listener()
        {
            @Override
			public void handleEvent(Event event)
            {
                System.out.println("activate: " + event);
            }
        });

        display.addFilter(SWT.Deactivate, new Listener()
        {
            @Override
			public void handleEvent(Event event)
            {
                System.out.println("deactivate: " + event);
            }
        });

        Shell shell = new Shell(display);
        shell.setText("Shell");
        shell.setSize(200, 200);
        System.out.println("before widget.shell open");
        shell.open();
        System.out.println("after widget.shell open");

        System.out.println("set visible false before");
        shell.setVisible(false);
        System.out.println("set visible false after");

        Shell dialog = new Shell(shell);
        dialog.setText("Dialog");
        dialog.setSize(200, 200);
        System.out.println("before dialog open");
        dialog.open();
        System.out.println("after dialog open");

        // When dialog is closed no activate event

        while (!shell.isDisposed())
        {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }
}