1 /*******************************************************************************
2 * Copyright (c) 2000, 2017 IBM Corporation and others.
4 * This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License 2.0
6 * which accompanies this distribution, and is available at
7 * https://www.eclipse.org/legal/epl-2.0/
9 * SPDX-License-Identifier: EPL-2.0
12 * IBM Corporation - initial API and implementation
13 *******************************************************************************/
14 package org.eclipse.swt.events;
18 * This adapter class provides default implementations for the
19 * methods described by the <code>ControlListener</code> interface.
21 * Classes that wish to deal with <code>ControlEvent</code>s can
22 * extend this class and override only the methods which they are
26 * An alternative to this class are the static helper methods
27 * {@link ControlListener#controlMovedAdapter(java.util.function.Consumer)}
29 * {@link ControlListener#controlResizedAdapter(java.util.function.Consumer)},
30 * which accept a lambda expression or a method reference that implements the event consumer.
33 * @see ControlListener
35 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
37 public abstract class ControlAdapter implements ControlListener {
40 * Sent when the location (x, y) of a control changes relative
41 * to its parent (or relative to the display, for <code>Shell</code>s).
42 * The default behavior is to do nothing.
44 * @param e an event containing information about the move
47 public void controlMoved(ControlEvent e) {
51 * Sent when the size (width, height) of a control changes.
52 * The default behavior is to do nothing.
54 * @param e an event containing information about the resize
57 public void controlResized(ControlEvent e) {