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

Go to download

Show more of this group Show more artifacts with this name
Show all versions of org.eclipse.swt.gtk.linux.ppc64le Show documentation

Standard Widget Toolkit for GTK on ppc64le

The newest version!

/*******************************************************************************
 * Copyright (c) 2000, 2017 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
 *******************************************************************************/
package org.eclipse.swt.events;


/**
 * This adapter class provides default implementations for the
 * methods described by the ControlListener interface.
 * 
 * Classes that wish to deal with ControlEvents can
 * extend this class and override only the methods which they are
 * interested in.
 * 
 * 
 * An alternative to this class are the static helper methods
 * {@link ControlListener#controlMovedAdapter(java.util.function.Consumer)}
 * and
 * {@link ControlListener#controlResizedAdapter(java.util.function.Consumer)},
 * which accept a lambda expression or a method reference that implements the event consumer.
 * 
 *
 * @see ControlListener
 * @see ControlEvent
 * @see Sample code and further information
 */
public abstract class ControlAdapter implements ControlListener {

/**
 * Sent when the location (x, y) of a control changes relative
 * to its parent (or relative to the display, for Shells).
 * The default behavior is to do nothing.
 *
 * @param e an event containing information about the move
 */
@Override
public void controlMoved(ControlEvent e) {
}

/**
 * Sent when the size (width, height) of a control changes.
 * The default behavior is to do nothing.
 *
 * @param e an event containing information about the resize
 */
@Override
public void controlResized(ControlEvent e) {
}
}