/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU Lesser General Public License as published by 
 * the Free Software Foundation; either version 2.1 of the License, or 
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
 * USA.  
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
 * in the United States and other countries.]
 *
 * -----------------------
 * ChartMouseListener.java
 * -----------------------
 * (C) Copyright 2002-2007, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   Alex Weber;
 *
 * Changes
 * -------
 * 27-May-2002 : Version 1, incorporating code and ideas by Alex Weber (DG);
 * 13-Jun-2002 : Added Javadocs (DG);
 * 26-Sep-2002 : Fixed errors reported by Checkstyle (DG);
 * 23-Nov-2005 : Now extends EventListener (DG);
 * ------------- JFREECHART 1.0.x ---------------------------------------------
 * 24-May-2007 : Updated API docs (DG);
 *
 */

package org.jfree.chart;

import java.util.EventListener;

/**
 * The interface that must be implemented by classes that wish to receive 
 * {@link ChartMouseEvent} notifications from a {@link ChartPanel}.
 * 
 * @see ChartPanel#addChartMouseListener(ChartMouseListener)
 */
public interface ChartMouseListener extends EventListener {

    /**
     * Callback method for receiving notification of a mouse click on a chart.
     *
     * @param event  information about the event.
     */
    void chartMouseClicked(ChartMouseEvent event);

    /**
     * Callback method for receiving notification of a mouse movement on a 
     * chart.
     *
     * @param event  information about the event.
     */
    void chartMouseMoved(ChartMouseEvent event);

}
