J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2004 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 | package com.sun.java.swing.plaf.motif; |
| 26 | |
| 27 | import java.awt.*; |
| 28 | import java.awt.event.*; |
| 29 | import javax.swing.*; |
| 30 | import javax.swing.event.*; |
| 31 | import javax.swing.plaf.*; |
| 32 | import javax.swing.border.*; |
| 33 | import javax.swing.plaf.basic.*; |
| 34 | |
| 35 | |
| 36 | import javax.swing.plaf.basic.BasicMenuUI; |
| 37 | |
| 38 | /** |
| 39 | * A Motif L&F implementation of MenuUI. |
| 40 | * <p> |
| 41 | * |
| 42 | * @author Georges Saab |
| 43 | * @author Rich Schiavi |
| 44 | */ |
| 45 | public class MotifMenuUI extends BasicMenuUI |
| 46 | { |
| 47 | |
| 48 | public static ComponentUI createUI( JComponent x ) { |
| 49 | return new MotifMenuUI(); |
| 50 | } |
| 51 | |
| 52 | // These should not be necessary because BasicMenuUI does this, |
| 53 | // and this class overrides createChangeListener. |
| 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 MotifChangeHandler((JMenu)c, this); |
| 67 | } |
| 68 | |
| 69 | private boolean popupIsOpen(JMenu m,MenuElement me[]) { |
| 70 | int i; |
| 71 | JPopupMenu pm = m.getPopupMenu(); |
| 72 | |
| 73 | for(i=me.length-1;i>=0;i--) { |
| 74 | if(me[i].getComponent() == pm) |
| 75 | return true; |
| 76 | } |
| 77 | return false; |
| 78 | } |
| 79 | |
| 80 | protected MouseInputListener createMouseInputListener(JComponent c) { |
| 81 | return new MouseInputHandler(); |
| 82 | } |
| 83 | |
| 84 | public class MotifChangeHandler extends ChangeHandler { |
| 85 | public MotifChangeHandler(JMenu m, MotifMenuUI ui) { |
| 86 | super(m, ui); |
| 87 | } |
| 88 | |
| 89 | |
| 90 | public void stateChanged(ChangeEvent e) { |
| 91 | JMenuItem c = (JMenuItem)e.getSource(); |
| 92 | if (c.isArmed() || c.isSelected()) { |
| 93 | c.setBorderPainted(true); |
| 94 | // c.repaint(); |
| 95 | } else { |
| 96 | c.setBorderPainted(false); |
| 97 | } |
| 98 | |
| 99 | super.stateChanged(e); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | protected class MouseInputHandler implements MouseInputListener { |
| 104 | public void mouseClicked(MouseEvent e) {} |
| 105 | public void mousePressed(MouseEvent e) { |
| 106 | MenuSelectionManager manager = MenuSelectionManager.defaultManager(); |
| 107 | JMenu menu = (JMenu)e.getComponent(); |
| 108 | if(menu.isEnabled()) { |
| 109 | if(menu.isTopLevelMenu()) { |
| 110 | if(menu.isSelected()) { |
| 111 | manager.clearSelectedPath(); |
| 112 | } else { |
| 113 | Container cnt = menu.getParent(); |
| 114 | if(cnt != null && cnt instanceof JMenuBar) { |
| 115 | MenuElement me[] = new MenuElement[2]; |
| 116 | me[0]=(MenuElement)cnt; |
| 117 | me[1]=menu; |
| 118 | manager.setSelectedPath(me); |
| 119 | } |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | MenuElement path[] = getPath(); |
| 124 | if (path.length > 0) { |
| 125 | MenuElement newPath[] = new MenuElement[path.length+1]; |
| 126 | System.arraycopy(path,0,newPath,0,path.length); |
| 127 | newPath[path.length] = menu.getPopupMenu(); |
| 128 | manager.setSelectedPath(newPath); |
| 129 | } |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | public void mouseReleased(MouseEvent e) { |
| 134 | MenuSelectionManager manager = |
| 135 | MenuSelectionManager.defaultManager(); |
| 136 | JMenuItem menuItem = (JMenuItem)e.getComponent(); |
| 137 | Point p = e.getPoint(); |
| 138 | if(!(p.x >= 0 && p.x < menuItem.getWidth() && |
| 139 | p.y >= 0 && p.y < menuItem.getHeight())) { |
| 140 | manager.processMouseEvent(e); |
| 141 | } |
| 142 | } |
| 143 | public void mouseEntered(MouseEvent e) {} |
| 144 | public void mouseExited(MouseEvent e) {} |
| 145 | public void mouseDragged(MouseEvent e) { |
| 146 | MenuSelectionManager.defaultManager().processMouseEvent(e); |
| 147 | } |
| 148 | public void mouseMoved(MouseEvent e) { } |
| 149 | } |
| 150 | |
| 151 | } |