J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2006 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 com.sun.java.swing.plaf.windows; |
| 27 | |
| 28 | import javax.swing.plaf.basic.*; |
| 29 | import javax.swing.*; |
| 30 | import javax.swing.plaf.ActionMapUIResource; |
| 31 | import javax.swing.plaf.ComponentUI; |
| 32 | import java.awt.event.ActionEvent; |
| 33 | import java.awt.event.HierarchyEvent; |
| 34 | import java.awt.event.HierarchyListener; |
| 35 | import java.awt.event.WindowAdapter; |
| 36 | import java.awt.event.WindowEvent; |
| 37 | import java.awt.event.WindowListener; |
| 38 | import java.awt.event.WindowStateListener; |
| 39 | |
| 40 | import java.awt.*; |
| 41 | |
| 42 | import com.sun.java.swing.plaf.windows.TMSchema.*; |
| 43 | import com.sun.java.swing.plaf.windows.XPStyle.*; |
| 44 | |
| 45 | /** |
| 46 | * Windows rendition of the component. |
| 47 | * <p> |
| 48 | * <strong>Warning:</strong> |
| 49 | * Serialized objects of this class will not be compatible with |
| 50 | * future Swing releases. The current serialization support is appropriate |
| 51 | * for short term storage or RMI between applications running the same |
| 52 | * version of Swing. A future release of Swing will provide support for |
| 53 | * long term persistence. |
| 54 | */ |
| 55 | public class WindowsMenuBarUI extends BasicMenuBarUI |
| 56 | { |
| 57 | /* to be accessed on the EDT only */ |
| 58 | private WindowListener windowListener = null; |
| 59 | private HierarchyListener hierarchyListener = null; |
| 60 | private Window window = null; |
| 61 | |
| 62 | public static ComponentUI createUI(JComponent x) { |
| 63 | return new WindowsMenuBarUI(); |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | protected void uninstallListeners() { |
| 68 | uninstallWindowListener(); |
| 69 | if (hierarchyListener != null) { |
| 70 | menuBar.removeHierarchyListener(hierarchyListener); |
| 71 | hierarchyListener = null; |
| 72 | } |
| 73 | super.uninstallListeners(); |
| 74 | } |
| 75 | private void installWindowListener() { |
| 76 | if (windowListener == null) { |
| 77 | Component component = menuBar.getTopLevelAncestor(); |
| 78 | if (component instanceof Window) { |
| 79 | window = (Window) component; |
| 80 | windowListener = new WindowAdapter() { |
| 81 | @Override |
| 82 | public void windowActivated(WindowEvent e) { |
| 83 | menuBar.repaint(); |
| 84 | } |
| 85 | @Override |
| 86 | public void windowDeactivated(WindowEvent e) { |
| 87 | menuBar.repaint(); |
| 88 | } |
| 89 | }; |
| 90 | ((Window) component).addWindowListener(windowListener); |
| 91 | } |
| 92 | } |
| 93 | } |
| 94 | private void uninstallWindowListener() { |
| 95 | if (windowListener != null && window != null) { |
| 96 | window.removeWindowListener(windowListener); |
| 97 | } |
| 98 | window = null; |
| 99 | windowListener = null; |
| 100 | } |
| 101 | @Override |
| 102 | protected void installListeners() { |
| 103 | if (WindowsLookAndFeel.isOnVista()) { |
| 104 | installWindowListener(); |
| 105 | hierarchyListener = |
| 106 | new HierarchyListener() { |
| 107 | public void hierarchyChanged(HierarchyEvent e) { |
| 108 | if ((e.getChangeFlags() |
| 109 | & HierarchyEvent.DISPLAYABILITY_CHANGED) != 0) { |
| 110 | if (menuBar.isDisplayable()) { |
| 111 | installWindowListener(); |
| 112 | } else { |
| 113 | uninstallWindowListener(); |
| 114 | } |
| 115 | } |
| 116 | } |
| 117 | }; |
| 118 | menuBar.addHierarchyListener(hierarchyListener); |
| 119 | } |
| 120 | super.installListeners(); |
| 121 | } |
| 122 | |
| 123 | protected void installKeyboardActions() { |
| 124 | super.installKeyboardActions(); |
| 125 | ActionMap map = SwingUtilities.getUIActionMap(menuBar); |
| 126 | if (map == null) { |
| 127 | map = new ActionMapUIResource(); |
| 128 | SwingUtilities.replaceUIActionMap(menuBar, map); |
| 129 | } |
| 130 | map.put("takeFocus", new TakeFocus()); |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Action that activates the menu (e.g. when F10 is pressed). |
| 135 | * Unlike BasicMenuBarUI.TakeFocus, this Action will not show menu popup. |
| 136 | */ |
| 137 | private static class TakeFocus extends AbstractAction { |
| 138 | public void actionPerformed(ActionEvent e) { |
| 139 | JMenuBar menuBar = (JMenuBar)e.getSource(); |
| 140 | JMenu menu = menuBar.getMenu(0); |
| 141 | if (menu != null) { |
| 142 | MenuSelectionManager msm = |
| 143 | MenuSelectionManager.defaultManager(); |
| 144 | MenuElement path[] = new MenuElement[2]; |
| 145 | path[0] = (MenuElement)menuBar; |
| 146 | path[1] = (MenuElement)menu; |
| 147 | msm.setSelectedPath(path); |
| 148 | |
| 149 | // show mnemonics |
| 150 | WindowsLookAndFeel.setMnemonicHidden(false); |
| 151 | WindowsLookAndFeel.repaintRootPane(menuBar); |
| 152 | } |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | @Override |
| 157 | public void paint(Graphics g, JComponent c) { |
| 158 | if (WindowsMenuItemUI.isVistaPainting()) { |
| 159 | XPStyle xp = XPStyle.getXP(); |
| 160 | Skin skin; |
| 161 | skin = xp.getSkin(c, Part.MP_BARBACKGROUND); |
| 162 | int width = c.getWidth(); |
| 163 | int height = c.getHeight(); |
| 164 | State state = isActive(c) ? State.ACTIVE : State.INACTIVE; |
| 165 | skin.paintSkin(g, 0, 0, width, height, state); |
| 166 | } else { |
| 167 | super.paint(g, c); |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * Checks if component belongs to an active window. |
| 173 | * @param c component to check |
| 174 | * @return true if component belongs to an active window |
| 175 | */ |
| 176 | static boolean isActive(JComponent c) { |
| 177 | JRootPane rootPane = c.getRootPane(); |
| 178 | if (rootPane != null) { |
| 179 | Component component = rootPane.getParent(); |
| 180 | if (component instanceof Window) { |
| 181 | return ((Window) component).isActive(); |
| 182 | } |
| 183 | } |
| 184 | return true; |
| 185 | } |
| 186 | } |