org.eclipse.swt.events.KeyAdapter Maven / Gradle / Ivy

/*******************************************************************************
 * Copyright (c) 2000, 2008, 2012 IBM Corporation, Gerhardt Informatics Kft. and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Gerhardt Informatics Kft. - GEFGWT port
 *******************************************************************************/
package org.eclipse.swt.events;

/**
 * This adapter class provides default implementations for the methods described
 * by the KeyListener interface.
 * 
 * Classes that wish to deal with KeyEvents can extend this class
 * and override only the methods which they are interested in.
 * 
 * 
 * @see KeyListener
 * @see KeyEvent
 * @see Sample code and further
 *      information
 */
public abstract class KeyAdapter implements KeyListener {

	/**
	 * Sent when a key is pressed on the system keyboard. The default behavior
	 * is to do nothing.
	 * 
	 * @param e
	 *            an event containing information about the key press
	 */
	public void keyPressed(KeyEvent e) {
	}

	/**
	 * Sent when a key is released on the system keyboard. The default behavior
	 * is to do nothing.
	 * 
	 * @param e
	 *            an event containing information about the key release
	 */
	public void keyReleased(KeyEvent e) {
	}
}