tests/org.eclipse.swt.tests.gtk/ManualTests/org/eclipse/swt/tests/gtk/snippets/Bug323044_ReadAndDispatchTrue.java

package org.eclipse.swt.tests.gtk.snippets;
/*******************************************************************************
 * Copyright (c) 2000, 2018 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation

*******************************************************************************/


/*
 * UI Automation (for testing tools) snippet: post key events
 *
 * For a widget.list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 * 
 * @since 3.0
 */
import org.eclipse.swt.*;
import org.eclipse.swt.widgets.*;

public class Bug323044_ReadAndDispatchTrue {

public static void main(String[] args) {
	final Display display = new Display();
	final Shell shell = new Shell(display);
	final Text text = new Text(shell, SWT.BORDER);
	text.setSize(text.computeSize(150, SWT.DEFAULT));
	shell.pack();
	shell.open();
	new Thread(){
		@Override
		public void run(){
			Event keyEvent = new Event();
			Event charEvent = new Event();
			System.out.println("STARTING");
			for (int i = 0; i < 5000; i++) {
				System.out.println(i);
				keyEvent.type = SWT.KeyDown;
				keyEvent.keyCode = SWT.MOD3;
				display.post(keyEvent);    

				charEvent.type = SWT.KeyDown;
				charEvent.character = 'a';
				display.post(charEvent);

				charEvent.type = SWT.KeyUp;
				charEvent.character = 'a';
				display.post(charEvent);

				keyEvent.type = SWT.KeyUp;
				keyEvent.keyCode=SWT.MOD3;
				display.post(keyEvent);
			}
		}    
	}.start();
	while (!shell.isDisposed()) {
		boolean readAndDispatch = display.readAndDispatch();
		System.out.println("readAndDispatch: "+ readAndDispatch);
		if (!readAndDispatch) display.sleep();
	}



	display.dispose();
}
}