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SWT is an open source widget toolkit for Java designed to provide efficient, portable access to the user-interface facilities of the operating systems on which it is implemented.

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/*******************************************************************************
 * Copyright (c) 2000, 2011 IBM Corporation 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
 *******************************************************************************/
package org.eclipse.swt.events;


import org.eclipse.swt.internal.SWTEventListener;

/**
 * Classes which implement this interface provide a method
 * that deals with the event that is generated when a widget,
 * such as a menu item, is armed.
 * 
 * After creating an instance of a class that implements
 * this interface it can be added to a widget using the
 * addArmListener method and removed using
 * the removeArmListener method. When the
 * widget is armed, the widgetArmed method will be invoked.
 * 
 *
 * @see ArmEvent
 */
public interface ArmListener extends SWTEventListener {

/**
 * Sent when a widget is armed, or 'about to be selected'.
 *
 * @param e an event containing information about the arm
 */
public void widgetArmed(ArmEvent e);
}