1 /*
   2  * Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.java.swing.plaf.motif;
  27 
  28 import javax.swing.*;
  29 import javax.swing.event.*;
  30 import javax.swing.plaf.*;
  31 import javax.swing.plaf.basic.BasicRadioButtonMenuItemUI;
  32 
  33 import java.awt.*;
  34 import java.awt.event.*;
  35 import java.io.Serializable;
  36 
  37 
  38 /**
  39  * MotifRadioButtonMenuItem implementation
  40  * <p>
  41  * <strong>Warning:</strong>
  42  * Serialized objects of this class will not be compatible with
  43  * future Swing releases.  The current serialization support is appropriate
  44  * for short term storage or RMI between applications running the same
  45  * version of Swing.  A future release of Swing will provide support for
  46  * long term persistence.
  47  *
  48  * @author Georges Saab
  49  * @author Rich Schiavi
  50  */
  51 public class MotifRadioButtonMenuItemUI extends BasicRadioButtonMenuItemUI
  52 {
  53     protected ChangeListener changeListener;
  54 
  55     public static ComponentUI createUI(JComponent b) {
  56         return new MotifRadioButtonMenuItemUI();
  57     }
  58 
  59     protected void installListeners() {
  60         super.installListeners();
  61         changeListener = createChangeListener(menuItem);
  62         menuItem.addChangeListener(changeListener);
  63     }
  64 
  65     protected void uninstallListeners() {
  66         super.uninstallListeners();
  67         menuItem.removeChangeListener(changeListener);
  68     }
  69 
  70     protected ChangeListener createChangeListener(JComponent c) {
  71         return new ChangeHandler();
  72     }
  73 
  74     protected class ChangeHandler implements ChangeListener, Serializable {
  75         public void stateChanged(ChangeEvent e) {
  76             JMenuItem c = (JMenuItem)e.getSource();
  77             LookAndFeel.installProperty(c, "borderPainted", c.isArmed());
  78         }
  79     }
  80 
  81     protected MouseInputListener createMouseInputListener(JComponent c) {
  82         return new MouseInputHandler();
  83     }
  84 
  85 
  86     protected class MouseInputHandler implements MouseInputListener {
  87         public void mouseClicked(MouseEvent e) {}
  88         public void mousePressed(MouseEvent e) {
  89             MenuSelectionManager manager = MenuSelectionManager.defaultManager();
  90             manager.setSelectedPath(getPath());
  91         }
  92         public void mouseReleased(MouseEvent e) {
  93             MenuSelectionManager manager =
  94                 MenuSelectionManager.defaultManager();
  95             JMenuItem menuItem = (JMenuItem)e.getComponent();
  96             Point p = e.getPoint();
  97             if(p.x >= 0 && p.x < menuItem.getWidth() &&
  98                p.y >= 0 && p.y < menuItem.getHeight()) {
  99                 manager.clearSelectedPath();
 100                 menuItem.doClick(0);
 101             } else {
 102                 manager.processMouseEvent(e);
 103             }
 104         }
 105         public void mouseEntered(MouseEvent e) {}
 106         public void mouseExited(MouseEvent e) {}
 107         public void mouseDragged(MouseEvent e) {
 108             MenuSelectionManager.defaultManager().processMouseEvent(e);
 109         }
 110         public void mouseMoved(MouseEvent e) { }
 111     }
 112 
 113 }