| /* |
| * Copyright (c) 1997, 2005, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.java.swing.plaf.motif; |
| |
| import sun.swing.SwingUtilities2; |
| import javax.swing.*; |
| import javax.swing.event.*; |
| import javax.swing.border.*; |
| import java.awt.Color; |
| import java.awt.Component; |
| import java.awt.Container; |
| import java.awt.Dimension; |
| import java.awt.Font; |
| import java.awt.FontMetrics; |
| import java.awt.Frame; |
| import java.awt.Graphics; |
| import java.awt.Insets; |
| import java.awt.LayoutManager; |
| import java.awt.Point; |
| import java.awt.Rectangle; |
| import java.awt.event.*; |
| import javax.swing.plaf.*; |
| import javax.swing.plaf.basic.BasicPopupMenuUI; |
| |
| |
| /** |
| * A Motif {@literal L&F} implementation of PopupMenuUI. |
| * <p> |
| * <strong>Warning:</strong> |
| * Serialized objects of this class will not be compatible with |
| * future Swing releases. The current serialization support is appropriate |
| * for short term storage or RMI between applications running the same |
| * version of Swing. A future release of Swing will provide support for |
| * long term persistence. |
| * |
| * @author Georges Saab |
| * @author Rich Schiavi |
| */ |
| public class MotifPopupMenuUI extends BasicPopupMenuUI { |
| private static Border border = null; |
| private Font titleFont = null; |
| |
| public static ComponentUI createUI(JComponent x) { |
| return new MotifPopupMenuUI(); |
| } |
| |
| /* This has to deal with the fact that the title may be wider than |
| the widest child component. |
| */ |
| public Dimension getPreferredSize(JComponent c) { |
| LayoutManager layout = c.getLayout(); |
| Dimension d = layout.preferredLayoutSize(c); |
| String title = ((JPopupMenu)c).getLabel(); |
| if (titleFont == null) { |
| UIDefaults table = UIManager.getLookAndFeelDefaults(); |
| titleFont = table.getFont("PopupMenu.font"); |
| } |
| FontMetrics fm = c.getFontMetrics(titleFont); |
| int stringWidth = 0; |
| |
| if (title!=null) { |
| stringWidth += SwingUtilities2.stringWidth(c, fm, title); |
| } |
| |
| if (d.width < stringWidth) { |
| d.width = stringWidth + 8; |
| Insets i = c.getInsets(); |
| if (i!=null) { |
| d.width += i.left + i.right; |
| } |
| if (border != null) { |
| i = border.getBorderInsets(c); |
| d.width += i.left + i.right; |
| } |
| |
| return d; |
| } |
| return null; |
| } |
| |
| protected ChangeListener createChangeListener(JPopupMenu m) { |
| return new ChangeListener() { |
| public void stateChanged(ChangeEvent e) {} |
| }; |
| } |
| |
| @SuppressWarnings("deprecation") |
| public boolean isPopupTrigger(MouseEvent e) { |
| return ((e.getID()==MouseEvent.MOUSE_PRESSED) |
| && ((e.getModifiers() & MouseEvent.BUTTON3_MASK)!=0)); |
| } |
| } |