--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/guichan-0.8.2/src/widgets/radiobutton.cpp	Mon Jan 11 23:34:52 2010 +0000
@@ -0,0 +1,298 @@
+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * 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/radiobutton.hpp"
+
+#include "guichan/font.hpp"
+#include "guichan/graphics.hpp"
+#include "guichan/key.hpp"
+#include "guichan/mouseinput.hpp"
+
+namespace gcn
+{
+    RadioButton::GroupMap RadioButton::mGroupMap;
+
+    RadioButton::RadioButton()
+    {
+        setSelected(false);
+
+        setFocusable(true);
+        addMouseListener(this);
+        addKeyListener(this);
+    }
+
+    RadioButton::RadioButton(const std::string &caption,
+                             const std::string &group,
+                             bool selected)
+    {
+        setCaption(caption);
+        setGroup(group);
+        setSelected(selected);
+
+        setFocusable(true);
+        addMouseListener(this);
+        addKeyListener(this);
+
+        adjustSize();
+    }
+
+    RadioButton::~RadioButton()
+    {
+        // Remove us from the group list
+        setGroup("");
+    }
+
+    void RadioButton::draw(Graphics* graphics)
+    {
+        graphics->pushClipArea(Rectangle(1,
+                                         1,
+                                         getWidth() - 1,
+                                         getHeight() - 1));
+        drawBox(graphics);
+        graphics->popClipArea();
+
+        
+        graphics->setFont(getFont());
+        graphics->setColor(getForegroundColor());
+
+        if (isFocused())
+        {
+            int fh;
+            
+            if (getHeight()%2 == 0)
+            {
+                fh = getHeight() - 4;
+            }
+            else
+            {
+                fh = getHeight() - 3;
+            }
+
+            int hh = (fh + 1) / 2;
+        
+            graphics->drawLine(0, hh + 1, hh + 1, 0);
+            graphics->drawLine(hh + 2, 1, fh + 2, hh + 1);
+            graphics->drawLine(fh + 1, hh + 2, hh + 1, fh + 2);
+            graphics->drawLine(hh + 1, fh + 2, 1, hh + 2);            
+        }
+        
+        int h = getHeight() + getHeight() / 2;
+
+        graphics->drawText(getCaption(), h - 2, 0);
+    }
+
+    void RadioButton::drawBox(Graphics *graphics)
+    {
+        int h;
+
+        if (getHeight()%2 == 0)
+        {
+            h = getHeight() - 4;
+        }
+        else
+        {
+            h = getHeight() - 3;
+        }
+
+        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(getBackgroundColor());
+
+        int i;
+        int hh = (h + 1) / 2;
+
+        for (i = 1; i <= hh; ++i)
+        {
+            graphics->drawLine(hh - i + 1,
+                               i,
+                               hh + i - 1,
+                               i);
+        }
+
+        for (i = 1; i < hh; ++i)
+        {
+            graphics->drawLine(hh - i + 1,
+                               h - i,
+                               hh + i - 1,
+                               h - i);
+        }
+
+        graphics->setColor(shadowColor);
+        graphics->drawLine(hh, 0, 0, hh);
+        graphics->drawLine(hh + 1, 1, h - 1, hh - 1);
+
+        graphics->setColor(highlightColor);
+        graphics->drawLine(1, hh + 1, hh, h);
+        graphics->drawLine(hh + 1, h - 1, h, hh);
+
+        graphics->setColor(getForegroundColor());
+
+        int hhh = hh - 3;
+        if (mSelected)
+        {
+            for (i = 0; i < hhh; ++i)
+            {
+                graphics->drawLine(hh - i, 4 + i, hh + i, 4 + i);
+            }
+            for (i = 0; i < hhh; ++i)
+            {
+                graphics->drawLine(hh - i, h - 4 - i, hh + i, h - 4 -  i);
+            }
+
+        }
+    }
+
+    bool RadioButton::isSelected() const
+    {
+        return mSelected;
+    }
+
+    void RadioButton::setSelected(bool selected)
+    {
+        if (selected && mGroup != "")
+        {
+            GroupIterator iter, iterEnd;
+            iterEnd = mGroupMap.upper_bound(mGroup);
+
+            for (iter = mGroupMap.lower_bound(mGroup);
+                 iter != iterEnd;
+                 iter++)
+            {
+                if (iter->second->isSelected())
+                {
+                    iter->second->setSelected(false);
+                }
+            }
+        }
+
+        mSelected = selected;
+    }
+
+    const std::string &RadioButton::getCaption() const
+    {
+        return mCaption;
+    }
+
+    void RadioButton::setCaption(const std::string caption)
+    {
+        mCaption = caption;
+    }
+
+    void RadioButton::keyPressed(KeyEvent& keyEvent)
+    {
+        Key key = keyEvent.getKey();
+
+        if (key.getValue() == Key::ENTER ||
+            key.getValue() == Key::SPACE)
+        {
+            setSelected(true);
+            distributeActionEvent();
+            keyEvent.consume();
+        }
+    }
+
+    void RadioButton::mouseClicked(MouseEvent& mouseEvent)
+    {
+        if (mouseEvent.getButton() == MouseEvent::LEFT)
+        {
+            setSelected(true);
+            distributeActionEvent();
+        }
+    }
+
+    void RadioButton::mouseDragged(MouseEvent& mouseEvent)
+    {
+        mouseEvent.consume();
+    }
+
+    void RadioButton::setGroup(const std::string &group)
+    {
+        if (mGroup != "")
+        {
+            GroupIterator iter, iterEnd;
+            iterEnd = mGroupMap.upper_bound(mGroup);
+
+            for (iter = mGroupMap.lower_bound(mGroup);
+                 iter != iterEnd;
+                 iter++)
+            {
+                if (iter->second == this)
+                {
+                    mGroupMap.erase(iter);
+                    break;
+                }
+            }
+        }
+
+        if (group != "")
+        {
+            mGroupMap.insert(
+                std::pair<std::string, RadioButton *>(group, this));
+        }
+
+        mGroup = group;
+    }
+
+    const std::string &RadioButton::getGroup() const
+    {
+        return mGroup;
+    }
+
+    void RadioButton::adjustSize()
+    {
+        int height = getFont()->getHeight();
+
+        setHeight(height);
+        setWidth(getFont()->getWidth(getCaption()) + height + height/2);
+    }
+}