1 /*
   2  * Copyright (c) 2003, 2012, 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 sun.awt.X11;
  27 
  28 import java.awt.*;
  29 import java.awt.peer.*;
  30 import java.awt.event.*;
  31 
  32 import sun.awt.AWTAccessor;
  33 
  34 class XCheckboxMenuItemPeer extends XMenuItemPeer implements CheckboxMenuItemPeer {
  35 
  36     /************************************************
  37      *
  38      * Construction
  39      *
  40      ************************************************/
  41     XCheckboxMenuItemPeer(CheckboxMenuItem target) {
  42         super(target);
  43     }
  44 
  45     /************************************************
  46      *
  47      * Implementaion of interface methods
  48      *
  49      ************************************************/
  50 
  51     //Prom CheckboxMenuItemtPeer
  52     public void setState(boolean t) {
  53         repaintIfShowing();
  54     }
  55 
  56     /************************************************
  57      *
  58      * Access to target's fields
  59      *
  60      ************************************************/
  61     boolean getTargetState() {
  62         return AWTAccessor.getCheckboxMenuItemAccessor()
  63                    .getState((CheckboxMenuItem)getTarget());
  64     }
  65 
  66     /************************************************
  67      *
  68      * Utility functions
  69      *
  70      ************************************************/
  71 
  72     /**
  73      * Toggles state and generates ItemEvent
  74      */
  75     void action(final long when) {
  76         XToolkit.executeOnEventHandlerThread((CheckboxMenuItem)getTarget(), new Runnable() {
  77                 public void run() {
  78                     doToggleState(when);
  79                 }
  80             });
  81     }
  82 
  83 
  84     /************************************************
  85      *
  86      * Private
  87      *
  88      ************************************************/
  89     private void doToggleState(long when) {
  90         CheckboxMenuItem cb = (CheckboxMenuItem)getTarget();
  91         boolean newState = !getTargetState();
  92         cb.setState(newState);
  93         ItemEvent e = new ItemEvent(cb,
  94                                     ItemEvent.ITEM_STATE_CHANGED,
  95                                     getTargetLabel(),
  96                                     getTargetState() ? ItemEvent.SELECTED : ItemEvent.DESELECTED);
  97         XWindow.postEventStatic(e);
  98         //WToolkit does not post ActionEvent when clicking on menu item
  99         //MToolkit _does_ post.
 100         //Fix for 5005195 MAWT: CheckboxMenuItem fires action events
 101         //Events should not be fired
 102         //XWindow.postEventStatic(new ActionEvent(cb, ActionEvent.ACTION_PERFORMED,
 103         //                                        getTargetActionCommand(), when,
 104         //                                        0));
 105     }
 106 
 107 } // class XCheckboxMenuItemPeer