J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2000-2006 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 java.awt.Component; |
| 29 | import java.awt.Container; |
| 30 | import java.awt.Event; |
| 31 | import java.awt.KeyEventPostProcessor; |
| 32 | import java.awt.Window; |
| 33 | |
| 34 | import java.awt.event.ActionEvent; |
| 35 | import java.awt.event.KeyEvent; |
| 36 | |
| 37 | import javax.swing.AbstractAction; |
| 38 | import javax.swing.ActionMap; |
| 39 | import javax.swing.InputMap; |
| 40 | import javax.swing.KeyStroke; |
| 41 | import javax.swing.JComponent; |
| 42 | import javax.swing.JLabel; |
| 43 | import javax.swing.JRootPane; |
| 44 | import javax.swing.SwingUtilities; |
| 45 | import javax.swing.UIManager; |
| 46 | import javax.swing.AbstractButton; |
| 47 | import javax.swing.JFrame; |
| 48 | import javax.swing.JMenu; |
| 49 | import javax.swing.JMenuBar; |
| 50 | import javax.swing.MenuElement; |
| 51 | import javax.swing.MenuSelectionManager; |
| 52 | |
| 53 | import javax.swing.plaf.ActionMapUIResource; |
| 54 | import javax.swing.plaf.ComponentUI; |
| 55 | import javax.swing.plaf.InputMapUIResource; |
| 56 | |
| 57 | import javax.swing.plaf.basic.BasicRootPaneUI; |
| 58 | import javax.swing.plaf.basic.ComboPopup; |
| 59 | |
| 60 | /** |
| 61 | * Windows implementation of RootPaneUI, there is one shared between all |
| 62 | * JRootPane instances. |
| 63 | * |
| 64 | * @author Mark Davidson |
| 65 | * @since 1.4 |
| 66 | */ |
| 67 | public class WindowsRootPaneUI extends BasicRootPaneUI { |
| 68 | |
| 69 | private final static WindowsRootPaneUI windowsRootPaneUI = new WindowsRootPaneUI(); |
| 70 | static final AltProcessor altProcessor = new AltProcessor(); |
| 71 | |
| 72 | public static ComponentUI createUI(JComponent c) { |
| 73 | return windowsRootPaneUI; |
| 74 | } |
| 75 | |
| 76 | static class AltProcessor implements KeyEventPostProcessor { |
| 77 | static boolean altKeyPressed = false; |
| 78 | static boolean menuCanceledOnPress = false; |
| 79 | static JRootPane root = null; |
| 80 | static Window winAncestor = null; |
| 81 | |
| 82 | void altPressed(KeyEvent ev) { |
| 83 | MenuSelectionManager msm = |
| 84 | MenuSelectionManager.defaultManager(); |
| 85 | MenuElement[] path = msm.getSelectedPath(); |
| 86 | if (path.length > 0 && ! (path[0] instanceof ComboPopup)) { |
| 87 | msm.clearSelectedPath(); |
| 88 | menuCanceledOnPress = true; |
| 89 | ev.consume(); |
| 90 | } else if(path.length > 0) { // We are in ComboBox |
| 91 | menuCanceledOnPress = false; |
| 92 | WindowsLookAndFeel.setMnemonicHidden(false); |
| 93 | WindowsGraphicsUtils.repaintMnemonicsInWindow(winAncestor); |
| 94 | ev.consume(); |
| 95 | } else { |
| 96 | menuCanceledOnPress = false; |
| 97 | WindowsLookAndFeel.setMnemonicHidden(false); |
| 98 | WindowsGraphicsUtils.repaintMnemonicsInWindow(winAncestor); |
| 99 | JMenuBar mbar = root != null ? root.getJMenuBar() : null; |
| 100 | if(mbar == null && winAncestor instanceof JFrame) { |
| 101 | mbar = ((JFrame)winAncestor).getJMenuBar(); |
| 102 | } |
| 103 | JMenu menu = mbar != null ? mbar.getMenu(0) : null; |
| 104 | if(menu != null) { |
| 105 | ev.consume(); |
| 106 | } |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | void altReleased(KeyEvent ev) { |
| 111 | if (menuCanceledOnPress) { |
| 112 | WindowsLookAndFeel.setMnemonicHidden(true); |
| 113 | WindowsGraphicsUtils.repaintMnemonicsInWindow(winAncestor); |
| 114 | return; |
| 115 | } |
| 116 | |
| 117 | MenuSelectionManager msm = |
| 118 | MenuSelectionManager.defaultManager(); |
| 119 | if (msm.getSelectedPath().length == 0) { |
| 120 | // if no menu is active, we try activating the menubar |
| 121 | |
| 122 | JMenuBar mbar = root != null ? root.getJMenuBar() : null; |
| 123 | if(mbar == null && winAncestor instanceof JFrame) { |
| 124 | mbar = ((JFrame)winAncestor).getJMenuBar(); |
| 125 | } |
| 126 | JMenu menu = mbar != null ? mbar.getMenu(0) : null; |
| 127 | |
| 128 | if (menu != null) { |
| 129 | MenuElement[] path = new MenuElement[2]; |
| 130 | path[0] = mbar; |
| 131 | path[1] = menu; |
| 132 | msm.setSelectedPath(path); |
| 133 | } else if(!WindowsLookAndFeel.isMnemonicHidden()) { |
| 134 | WindowsLookAndFeel.setMnemonicHidden(true); |
| 135 | WindowsGraphicsUtils.repaintMnemonicsInWindow(winAncestor); |
| 136 | } |
| 137 | } else { |
| 138 | if((msm.getSelectedPath())[0] instanceof ComboPopup) { |
| 139 | WindowsLookAndFeel.setMnemonicHidden(true); |
| 140 | WindowsGraphicsUtils.repaintMnemonicsInWindow(winAncestor); |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | } |
| 145 | |
| 146 | public boolean postProcessKeyEvent(KeyEvent ev) { |
| 147 | if(ev.isConsumed()) { |
| 148 | // do not manage consumed event |
| 149 | return false; |
| 150 | } |
| 151 | if (ev.getKeyCode() == KeyEvent.VK_ALT) { |
| 152 | root = SwingUtilities.getRootPane(ev.getComponent()); |
| 153 | winAncestor = (root == null ? null : |
| 154 | SwingUtilities.getWindowAncestor(root)); |
| 155 | |
| 156 | if (ev.getID() == KeyEvent.KEY_PRESSED) { |
| 157 | if (!altKeyPressed) { |
| 158 | altPressed(ev); |
| 159 | } |
| 160 | altKeyPressed = true; |
| 161 | return true; |
| 162 | } else if (ev.getID() == KeyEvent.KEY_RELEASED) { |
| 163 | if (altKeyPressed) { |
| 164 | altReleased(ev); |
| 165 | } else { |
| 166 | MenuSelectionManager msm = |
| 167 | MenuSelectionManager.defaultManager(); |
| 168 | MenuElement[] path = msm.getSelectedPath(); |
| 169 | if (path.length <= 0) { |
| 170 | WindowsLookAndFeel.setMnemonicHidden(true); |
| 171 | WindowsGraphicsUtils.repaintMnemonicsInWindow(winAncestor); |
| 172 | } |
| 173 | } |
| 174 | altKeyPressed = false; |
| 175 | } |
| 176 | root = null; |
| 177 | winAncestor = null; |
| 178 | } else { |
| 179 | altKeyPressed = false; |
| 180 | } |
| 181 | return false; |
| 182 | } |
| 183 | } |
| 184 | } |