/*
 * Copyright (c) 1997, 2018, 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.plaf.basic;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.plaf.*;

BasicCheckboxMenuItem implementation
Author:Georges Saab, David Karlton, Arnaud Weber
/** * BasicCheckboxMenuItem implementation * * @author Georges Saab * @author David Karlton * @author Arnaud Weber */
public class BasicCheckBoxMenuItemUI extends BasicMenuItemUI {
Constructs a new instance of BasicCheckBoxMenuItemUI.
Params:
  • c – a component
Returns:a new instance of BasicCheckBoxMenuItemUI
/** * Constructs a new instance of {@code BasicCheckBoxMenuItemUI}. * * @param c a component * @return a new instance of {@code BasicCheckBoxMenuItemUI} */
public static ComponentUI createUI(JComponent c) { return new BasicCheckBoxMenuItemUI(); } protected String getPropertyPrefix() { return "CheckBoxMenuItem"; }
Invoked when mouse event occurs.
Params:
  • item – a menu item
  • e – a mouse event
  • path – an array of MenuElement
  • manager – an instance of MenuSelectionManager
/** * Invoked when mouse event occurs. * * @param item a menu item * @param e a mouse event * @param path an array of {@code MenuElement} * @param manager an instance of {@code MenuSelectionManager} */
public void processMouseEvent(JMenuItem item,MouseEvent e,MenuElement[] path,MenuSelectionManager manager) { Point p = e.getPoint(); if(p.x >= 0 && p.x < item.getWidth() && p.y >= 0 && p.y < item.getHeight()) { if(e.getID() == MouseEvent.MOUSE_RELEASED) { manager.clearSelectedPath(); item.doClick(0); } else manager.setSelectedPath(path); } else if(item.getModel().isArmed()) { MenuElement[] newPath = new MenuElement[path.length-1]; int i,c; for(i=0,c=path.length-1;i<c;i++) newPath[i] = path[i]; manager.setSelectedPath(newPath); } } }