JDK8/Java8源码在线阅读

/*
 * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package javax.swing.event;

import javax.swing.MenuElement;
import javax.swing.MenuSelectionManager;
import java.util.EventObject;
import java.awt.event.KeyEvent;
import java.awt.Component;


/**
 * MenuKeyEvent is used to notify interested parties that
 * the menu element has received a KeyEvent forwarded to it
 * in a menu tree.
 * <p>
 * <strong>Warning:</strong>
 * Serialized objects of this class will not be compatible with
 * future Swing releases. The current serialization support is
 * appropriate for short term storage or RMI between applications running
 * the same version of Swing.  As of 1.4, support for long term storage
 * of all JavaBeans&trade;
 * has been added to the <code>java.beans</code> package.
 * Please see {@link java.beans.XMLEncoder}.
 *
 * @author Georges Saab
 */
@SuppressWarnings("serial")
public class MenuKeyEvent extends KeyEvent {
    private MenuElement path[];
    private MenuSelectionManager manager;

    /**
     * Constructs a MenuKeyEvent object.
     *
     * @param source     the Component that originated the event
     *                     (typically <code>this</code>)
     * @param id         an int specifying the type of event, as defined
     *                     in {@link java.awt.event.KeyEvent}
     * @param when       a long identifying the time the event occurred
     * @param modifiers     an int specifying any modifier keys held down,
     *                      as specified in {@link java.awt.event.InputEvent}
     * @param keyCode    an int specifying the specific key that was pressed
     * @param keyChar    a char specifying the key's character value, if any
     *                   -- null if the key has no character value
     * @param p          an array of MenuElement objects specifying a path
     *                     to a menu item affected by the drag
     * @param m          a MenuSelectionManager object that handles selections
     */
    public MenuKeyEvent(Component source, int id, long when, int modifiers,
                        int keyCode, char keyChar,
                        MenuElement p[], MenuSelectionManager m) {
        super(source, id, when, modifiers, keyCode, keyChar);
        path = p;
        manager = m;
    }

    /**

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