1 /*

     2  * Copyright (c) 1997, 2005, Oracle and/or its affiliates. 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.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package com.sun.java.swing.plaf.windows;

    27 

    28 import sun.swing.SwingUtilities2;

    29 import sun.awt.AppContext;

    30 

    31 import java.awt.Color;

    32 import java.awt.Graphics;

    33 

    34 import javax.swing.JComponent;

    35 import javax.swing.JLabel;

    36 import javax.swing.UIManager;

    37 

    38 import javax.swing.plaf.ComponentUI;

    39 

    40 import javax.swing.plaf.basic.BasicLabelUI;

    41 

    42 

    43 

    44 /**

    45  * Windows rendition of the component.

    46  * <p>

    47  * <strong>Warning:</strong>

    48  * Serialized objects of this class will not be compatible with

    49  * future Swing releases.  The current serialization support is appropriate

    50  * for short term storage or RMI between applications running the same

    51  * version of Swing.  A future release of Swing will provide support for

    52  * long term persistence.

    53  */

    54 public class WindowsLabelUI extends BasicLabelUI {

    55 

    56     private static final Object WINDOWS_LABEL_UI_KEY = new Object();

    57 

    58     // ********************************

    59     //          Create PLAF

    60     // ********************************

    61     public static ComponentUI createUI(JComponent c) {

    62         AppContext appContext = AppContext.getAppContext();

    63         WindowsLabelUI windowsLabelUI =

    64                 (WindowsLabelUI) appContext.get(WINDOWS_LABEL_UI_KEY);

    65         if (windowsLabelUI == null) {

    66             windowsLabelUI = new WindowsLabelUI();

    67             appContext.put(WINDOWS_LABEL_UI_KEY, windowsLabelUI);

    68         }

    69         return windowsLabelUI;

    70     }

    71 

    72     protected void paintEnabledText(JLabel l, Graphics g, String s,

    73                                     int textX, int textY) {

    74         int mnemonicIndex = l.getDisplayedMnemonicIndex();

    75         // W2K Feature: Check to see if the Underscore should be rendered.

    76         if (WindowsLookAndFeel.isMnemonicHidden() == true) {

    77             mnemonicIndex = -1;

    78         }

    79 

    80         g.setColor(l.getForeground());

    81         SwingUtilities2.drawStringUnderlineCharAt(l, g, s, mnemonicIndex,

    82                                                      textX, textY);

    83     }

    84 

    85     protected void paintDisabledText(JLabel l, Graphics g, String s,

    86                                      int textX, int textY) {

    87         int mnemonicIndex = l.getDisplayedMnemonicIndex();

    88         // W2K Feature: Check to see if the Underscore should be rendered.

    89         if (WindowsLookAndFeel.isMnemonicHidden() == true) {

    90             mnemonicIndex = -1;

    91         }

    92         if ( UIManager.getColor("Label.disabledForeground") instanceof Color &&

    93              UIManager.getColor("Label.disabledShadow") instanceof Color) {

    94             g.setColor( UIManager.getColor("Label.disabledShadow") );

    95             SwingUtilities2.drawStringUnderlineCharAt(l, g, s,

    96                                                          mnemonicIndex,

    97                                                          textX + 1, textY + 1);

    98             g.setColor( UIManager.getColor("Label.disabledForeground") );

    99             SwingUtilities2.drawStringUnderlineCharAt(l, g, s,

   100                                                          mnemonicIndex,

   101                                                          textX, textY);

   102         } else {

   103             Color background = l.getBackground();

   104             g.setColor(background.brighter());

   105             SwingUtilities2.drawStringUnderlineCharAt(l,g, s, mnemonicIndex,

   106                                                          textX + 1, textY + 1);

   107             g.setColor(background.darker());

   108             SwingUtilities2.drawStringUnderlineCharAt(l,g, s, mnemonicIndex,

   109                                                          textX, textY);

   110         }

   111     }

   112 }