001/* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2022, by David Gilbert and Contributors.
006 *
007 * Project Info:  http://www.jfree.org/jfreechart/index.html
008 *
009 * This library is free software; you can redistribute it and/or modify it
010 * under the terms of the GNU Lesser General Public License as published by
011 * the Free Software Foundation; either version 2.1 of the License, or
012 * (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but
015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017 * License for more details.
018 *
019 * You should have received a copy of the GNU Lesser General Public
020 * License along with this library; if not, write to the Free Software
021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
022 * USA.
023 *
024 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
025 * Other names may be trademarks of their respective owners.]
026 *
027 * -----------------------
028 * ChartMouseListener.java
029 * -----------------------
030 * (C) Copyright 2002-2022, by David Gilbert and Contributors.
031 *
032 * Original Author:  David Gilbert;
033 * Contributor(s):   Alex Weber;
034 *
035 */
036
037package org.jfree.chart.swing;
038
039import org.jfree.chart.swing.ChartMouseEvent;
040import java.util.EventListener;
041
042/**
043 * The interface that must be implemented by classes that wish to receive
044 * {@link ChartMouseEvent} notifications from a {@link ChartPanel}.
045 *
046 * @see ChartPanel#addChartMouseListener(ChartMouseListener)
047 */
048public interface ChartMouseListener extends EventListener {
049
050    /**
051     * Callback method for receiving notification of a mouse click on a chart.
052     *
053     * @param event  information about the event.
054     */
055    void chartMouseClicked(ChartMouseEvent event);
056
057    /**
058     * Callback method for receiving notification of a mouse movement on a
059     * chart.
060     *
061     * @param event  information about the event.
062     */
063    void chartMouseMoved(ChartMouseEvent event);
064
065}