J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2007 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any 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 java.util.logging.*; |
| 33 | |
| 34 | import java.lang.reflect.Field; |
| 35 | import sun.awt.SunToolkit; |
| 36 | |
| 37 | class XCheckboxMenuItemPeer extends XMenuItemPeer implements CheckboxMenuItemPeer { |
| 38 | |
| 39 | /************************************************ |
| 40 | * |
| 41 | * Data members |
| 42 | * |
| 43 | ************************************************/ |
| 44 | |
| 45 | private static Logger log = Logger.getLogger("sun.awt.X11.XCheckboxMenuItemPeer"); |
| 46 | |
| 47 | /* |
| 48 | * CheckboxMenuItem's fields |
| 49 | */ |
| 50 | private final static Field f_state; |
| 51 | static { |
| 52 | f_state = SunToolkit.getField(CheckboxMenuItem.class, "state"); |
| 53 | } |
| 54 | |
| 55 | /************************************************ |
| 56 | * |
| 57 | * Construction |
| 58 | * |
| 59 | ************************************************/ |
| 60 | XCheckboxMenuItemPeer(CheckboxMenuItem target) { |
| 61 | super(target); |
| 62 | } |
| 63 | |
| 64 | /************************************************ |
| 65 | * |
| 66 | * Implementaion of interface methods |
| 67 | * |
| 68 | ************************************************/ |
| 69 | |
| 70 | //Prom CheckboxMenuItemtPeer |
| 71 | public void setState(boolean t) { |
| 72 | repaintIfShowing(); |
| 73 | } |
| 74 | |
| 75 | /************************************************ |
| 76 | * |
| 77 | * Access to target's fields |
| 78 | * |
| 79 | ************************************************/ |
| 80 | boolean getTargetState() { |
| 81 | MenuItem target = getTarget(); |
| 82 | if (target == null) { |
| 83 | return false; |
| 84 | } |
| 85 | try { |
| 86 | return f_state.getBoolean(target); |
| 87 | } catch (IllegalAccessException e) { |
| 88 | e.printStackTrace(); |
| 89 | } |
| 90 | return false; |
| 91 | } |
| 92 | |
| 93 | /************************************************ |
| 94 | * |
| 95 | * Utility functions |
| 96 | * |
| 97 | ************************************************/ |
| 98 | |
| 99 | /** |
| 100 | * Toggles state and generates ItemEvent |
| 101 | */ |
| 102 | void action(final long when) { |
| 103 | XToolkit.executeOnEventHandlerThread((CheckboxMenuItem)getTarget(), new Runnable() { |
| 104 | public void run() { |
| 105 | doToggleState(when); |
| 106 | } |
| 107 | }); |
| 108 | } |
| 109 | |
| 110 | |
| 111 | /************************************************ |
| 112 | * |
| 113 | * Private |
| 114 | * |
| 115 | ************************************************/ |
| 116 | private void doToggleState(long when) { |
| 117 | CheckboxMenuItem cb = (CheckboxMenuItem)getTarget(); |
| 118 | boolean newState = !getTargetState(); |
| 119 | cb.setState(newState); |
| 120 | ItemEvent e = new ItemEvent(cb, |
| 121 | ItemEvent.ITEM_STATE_CHANGED, |
| 122 | getTargetLabel(), |
| 123 | getTargetState() ? ItemEvent.SELECTED : ItemEvent.DESELECTED); |
| 124 | XWindow.postEventStatic(e); |
| 125 | //WToolkit does not post ActionEvent when clicking on menu item |
| 126 | //MToolkit _does_ post. |
| 127 | //Fix for 5005195 MAWT: CheckboxMenuItem fires action events |
| 128 | //Events should not be fired |
| 129 | //XWindow.postEventStatic(new ActionEvent(cb, ActionEvent.ACTION_PERFORMED, |
| 130 | // getTargetActionCommand(), when, |
| 131 | // 0)); |
| 132 | } |
| 133 | |
| 134 | } // class XCheckboxMenuItemPeer |