/*******************************************************************************
* Copyright (c) 2002, 2007 Innoopract Informationssysteme GmbH.
* 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:
* Innoopract Informationssysteme GmbH - initial API and implementation
******************************************************************************/
package org.eclipse.swt.events;
import org.eclipse.swt.internal.SWTEventListener;
/**
* Classes which implement this interface provide methods
* that deal with the events that are generated when selection
* occurs in a control.
* <p>
* After creating an instance of a class that implements
* this interface it can be added to a control using the
* <code>addSelectionListener</code> method and removed using
* the <code>removeSelectionListener</code> method. When
* selection occurs in a control the appropriate method
* will be invoked.
* </p>
*
* @see SelectionAdapter
* @see SelectionEvent
*/
public interface SelectionListener extends SWTEventListener {
/**
* Sent when selection occurs in the control.
* <p>
* For example, selection occurs in a List when the user selects
* an item or items with the keyboard or mouse. On some platforms,
* the event occurs when a mouse button or key is pressed. On others,
* it happens when the mouse or key is released. The exact key or
* mouse gesture that causes this event is platform specific.
* </p>
*
* @param e an event containing information about the selection
*/
public void widgetSelected(SelectionEvent e);
/**
* Sent when default selection occurs in the control.
* <p>
* For example, on some platforms default selection occurs in a List
* when the user double-clicks an item or types return in a Text.
* On some platforms, the event occurs when a mouse button or key is
* pressed. On others, it happens when the mouse or key is released.
* The exact key or mouse gesture that causes this event is platform
* specific.
* </p>
*
* @param e an event containing information about the default selection
*/
public void widgetDefaultSelected(SelectionEvent e);
}