1 /*
   2  * Copyright (c) 1997, 2004, 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 
  29 import javax.swing.*;
  30 import javax.swing.event.*;
  31 import java.awt.*;
  32 import java.awt.event.*;
  33 
  34 import javax.swing.plaf.*;
  35 import javax.swing.plaf.basic.BasicMenuItemUI;
  36 
  37 
  38 /**
  39  * MotifMenuItem implementation
  40  * <p>
  41  *
  42  * @author Rich Schiavi
  43  * @author Georges Saab
  44  */
  45 public class MotifMenuItemUI extends BasicMenuItemUI
  46 {
  47     protected ChangeListener changeListener;
  48 
  49     public static ComponentUI createUI(JComponent c)
  50     {
  51         return new MotifMenuItemUI();
  52     }
  53 
  54     protected void installListeners() {
  55         super.installListeners();
  56         changeListener = createChangeListener(menuItem);
  57         menuItem.addChangeListener(changeListener);
  58     }
  59 
  60     protected void uninstallListeners() {
  61         super.uninstallListeners();
  62         menuItem.removeChangeListener(changeListener);
  63     }
  64 
  65     protected ChangeListener createChangeListener(JComponent c) {
  66         return new ChangeHandler();
  67     }
  68 
  69     protected MouseInputListener createMouseInputListener(JComponent c) {
  70         return new MouseInputHandler();
  71     }
  72 
  73     protected class ChangeHandler implements ChangeListener {
  74 
  75         public void stateChanged(ChangeEvent e) {
  76             JMenuItem c = (JMenuItem)e.getSource();
  77             LookAndFeel.installProperty(c, "borderPainted",
  78                         Boolean.valueOf(c.isArmed() || c.isSelected()));
  79         }
  80     }
  81 
  82     protected class MouseInputHandler implements MouseInputListener {
  83         public void mouseClicked(MouseEvent e) {}
  84         public void mousePressed(MouseEvent e) {
  85             MenuSelectionManager manager = MenuSelectionManager.defaultManager();
  86             manager.setSelectedPath(getPath());
  87         }
  88         public void mouseReleased(MouseEvent e) {
  89             MenuSelectionManager manager =
  90                 MenuSelectionManager.defaultManager();
  91             JMenuItem menuItem = (JMenuItem)e.getComponent();
  92             Point p = e.getPoint();
  93             if(p.x >= 0 && p.x < menuItem.getWidth() &&
  94                p.y >= 0 && p.y < menuItem.getHeight()) {
  95                 manager.clearSelectedPath();
  96                 menuItem.doClick(0);
  97             } else {
  98                 manager.processMouseEvent(e);
  99             }
 100         }
 101         public void mouseEntered(MouseEvent e) {}
 102         public void mouseExited(MouseEvent e) {}
 103         public void mouseDragged(MouseEvent e) {
 104             MenuSelectionManager.defaultManager().processMouseEvent(e);
 105         }
 106         public void mouseMoved(MouseEvent e) { }
 107     }
 108 
 109 }