Returns the deepest visible descendent Component of parent that contains the location x, y. - Java Swing

Java examples for Swing:JComponent

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Description

Returns the deepest visible descendent Component of parent that contains the location x, y.

Demo Code

/*/*from   w w w . j ava  2  s. c o m*/
 * OpenBench LogicSniffer / SUMP project 
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
 *
 * Copyright (C) 2006-2010 Michael Poppitz, www.sump.org
 * Copyright (C) 2010 J.W. Janssen, www.lxtreme.nl
 */
//package com.java2s;
import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

public class Main {
    /**
     * Returns the deepest visible descendent Component of <code>parent</code>
     * that contains the location <code>x</code>, <code>y</code>. If
     * <code>parent</code> does not contain the specified location, then
     * <code>null</code> is returned. If <code>parent</code> is not a container,
     * or none of <code>parent</code>'s visible descendents contain the specified
     * location, <code>parent</code> is returned.
     * 
     * @param aParent
     *          the root component to begin the search
     * @param aXpos
     *          the x target location
     * @param aYpos
     *          the y target location
     */
    public static JComponent getDeepestComponentAt(final Component aParent,
            final int aXpos, final int aYpos) {
        return (JComponent) SwingUtilities.getDeepestComponentAt(aParent,
                aXpos, aYpos);
    }

    /**
     * Returns the deepest visible descendent Component of <code>parent</code>
     * that contains the location <code>x</code>, <code>y</code>. If
     * <code>parent</code> does not contain the specified location, then
     * <code>null</code> is returned. If <code>parent</code> is not a container,
     * or none of <code>parent</code>'s visible descendents contain the specified
     * location, <code>parent</code> is returned.
     * 
     * @param aParent
     *          the root component to begin the search
     * @param aXpos
     *          the x target location
     * @param aYpos
     *          the y target location
     */
    public static JComponent getDeepestComponentAt(final MouseEvent aEvent) {
        return getDeepestComponentAt(aEvent.getComponent(), aEvent.getX(),
                aEvent.getY());
    }
}

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