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diff --git a/src/guichan/widgets/checkbox.cpp b/src/guichan/widgets/checkbox.cpp
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+++ b/src/guichan/widgets/checkbox.cpp
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+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
+ *
+ *
+ * Per Larsson a.k.a finalman
+ * Olof Naessén a.k.a jansem/yakslem
+ *
+ * Visit: http://guichan.sourceforge.net
+ *
+ * License: (BSD)
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name of Guichan nor the names of its contributors may
+ *    be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * For comments regarding functions please see the header file.
+ */
+
+#include "guichan/widgets/checkbox.hpp"
+
+#include "guichan/font.hpp"
+#include "guichan/graphics.hpp"
+#include "guichan/key.hpp"
+#include "guichan/mouseinput.hpp"
+
+namespace gcn
+{
+
+    CheckBox::CheckBox()
+    {
+        setSelected(false);
+
+        setFocusable(true);
+        addMouseListener(this);
+        addKeyListener(this);
+    }
+
+    CheckBox::CheckBox(const std::string &caption, bool selected)
+    {
+        setCaption(caption);
+        setSelected(selected);
+
+        setFocusable(true);
+        addMouseListener(this);
+        addKeyListener(this);
+
+        adjustSize();
+    }
+
+    void CheckBox::draw(Graphics* graphics)
+    {
+        drawBox(graphics);
+
+        graphics->setFont(getFont());
+        graphics->setColor(getForegroundColor());
+
+        const int h = getHeight() + getHeight() / 2;
+
+        graphics->drawText(getCaption(), h - 2, 0);
+    }
+
+    void CheckBox::drawBox(Graphics *graphics)
+    {
+        const int h = getHeight() - 2;
+        const int alpha = getBaseColor().a;
+        Color faceColor = getBaseColor();
+        faceColor.a = alpha;
+        Color highlightColor = faceColor + 0x303030;
+        highlightColor.a = alpha;
+        Color shadowColor = faceColor - 0x303030;
+        shadowColor.a = alpha;
+
+        graphics->setColor(shadowColor);
+        graphics->drawLine(1, 1, h, 1);
+        graphics->drawLine(1, 1, 1, h);
+
+        graphics->setColor(highlightColor);
+        graphics->drawLine(h, 1, h, h);
+        graphics->drawLine(1, h, h - 1, h);
+
+        graphics->setColor(getBackgroundColor());
+        graphics->fillRectangle(Rectangle(2, 2, h - 2, h - 2));
+
+        graphics->setColor(getForegroundColor());
+
+        if (isFocused())
+        {
+            graphics->drawRectangle(Rectangle(0, 0, h + 2, h + 2));
+        }
+
+        if (mSelected)
+        {
+            graphics->drawLine(3, 5, 3, h - 2);
+            graphics->drawLine(4, 5, 4, h - 2);
+
+            graphics->drawLine(5, h - 3, h - 2, 4);
+            graphics->drawLine(5, h - 4, h - 4, 5);
+        }
+    }
+
+    bool CheckBox::isSelected() const
+    {
+        return mSelected;
+    }
+
+    void CheckBox::setSelected(bool selected)
+    {
+        mSelected = selected;
+    }
+
+    const std::string &CheckBox::getCaption() const
+    {
+        return mCaption;
+    }
+
+    void CheckBox::setCaption(const std::string& caption)
+    {
+        mCaption = caption;
+    }
+
+    void CheckBox::keyPressed(KeyEvent& keyEvent)
+    {
+        Key key = keyEvent.getKey();
+
+        if (key.getValue() == Key::ENTER ||
+            key.getValue() == Key::SPACE)
+        {
+            toggleSelected();
+            keyEvent.consume();
+        }
+    }
+
+    void CheckBox::mouseClicked(MouseEvent& mouseEvent)
+    {
+        if (mouseEvent.getButton() == MouseEvent::LEFT)
+        {
+            toggleSelected();
+        }
+    }
+
+    void CheckBox::mouseDragged(MouseEvent& mouseEvent)
+    {
+        mouseEvent.consume();
+    }
+
+    void CheckBox::adjustSize()
+    {
+        int height = getFont()->getHeight();
+
+        setHeight(height);
+        setWidth(getFont()->getWidth(mCaption) + height + height / 2);
+    }
+
+    void CheckBox::toggleSelected()
+    {
+        mSelected = !mSelected;
+        distributeActionEvent();
+    }
+}
+