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/*
* Copyright (c) 2011, 2012, 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.apple.laf;
import java.awt.*;
import javax.swing.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;
import sun.swing.SwingUtilities2;
import com.apple.laf.AquaUtils.RecyclableSingleton;
import com.apple.laf.AquaUtils.RecyclableSingletonFromDefaultConstructor;
public class AquaLabelUI extends BasicLabelUI {
protected static final RecyclableSingleton<AquaLabelUI> aquaLabelUI = new RecyclableSingletonFromDefaultConstructor<AquaLabelUI>(AquaLabelUI.class);
public static ComponentUI createUI(final JComponent c) {
return aquaLabelUI.get();
}
protected void installListeners(final JLabel c) {
super.installListeners(c);
AquaUtilControlSize.addSizePropertyListener(c);
}
protected void uninstallListeners(final JLabel c) {
AquaUtilControlSize.removeSizePropertyListener(c);
super.uninstallListeners(c);
}
protected void paintEnabledText(final JLabel l, final Graphics g, final String s, final int textX, final int textY) {
int mnemIndex = l.getDisplayedMnemonicIndex();
if (AquaMnemonicHandler.isMnemonicHidden()) {
mnemIndex = -1;
}
g.setColor(l.getForeground());
SwingUtilities2.drawStringUnderlineCharAt(l, g, s, mnemIndex, textX, textY);
}
/**
* Paint clippedText at textX, textY with background.lighter() and then
* shifted down and to the right by one pixel with background.darker().
*
* @see #paint
* @see #paintEnabledText
*/
protected void paintDisabledText(final JLabel l, final Graphics g, final String s, final int textX, final int textY) {
int accChar = l.getDisplayedMnemonicIndex();
if (AquaMnemonicHandler.isMnemonicHidden()) {
accChar = -1;
}
final Color background = l.getBackground();
// if our background is still something we set then we can use our happy background color.
if (background instanceof UIResource) {
g.setColor(getDisabledLabelColor(l));
SwingUtilities2.drawStringUnderlineCharAt(l, g, s, accChar, textX, textY);
} else {
super.paintDisabledText(l, g, s, textX, textY);
}
}
static final String DISABLED_COLOR_KEY = "Label.disabledForegroundColor";
protected Color getDisabledLabelColor(final JLabel label) {
final Color fg = label.getForeground();
final Object colorProperty = label.getClientProperty(DISABLED_COLOR_KEY);
if (colorProperty instanceof Color) {
final Color disabledColor = (Color)colorProperty;
if ((fg.getRGB() << 8) == (disabledColor.getRGB() << 8)) return disabledColor;
}
final Color newDisabledColor = new Color(fg.getRed(), fg.getGreen(), fg.getBlue(), fg.getAlpha() / 2);
label.putClientProperty(DISABLED_COLOR_KEY, newDisabledColor);
return newDisabledColor;
}
}
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