--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/guichan-0.8.1/src/widgets/button.cpp	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,284 @@
+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * 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/button.hpp"
+
+#include "guichan/exception.hpp"
+#include "guichan/font.hpp"
+#include "guichan/graphics.hpp"
+#include "guichan/key.hpp"
+#include "guichan/mouseevent.hpp"
+#include "guichan/mouseinput.hpp"
+
+namespace gcn
+{
+    Button::Button()
+        : mHasMouse(false),
+          mKeyPressed(false),
+          mMousePressed(false),
+          mAlignment(Graphics::CENTER),
+          mSpacing(4)
+    {
+        setFocusable(true);
+        adjustSize();
+        setFrameSize(1);
+
+        addMouseListener(this);
+        addKeyListener(this);
+        addFocusListener(this);
+    }
+
+    Button::Button(const std::string& caption)
+            : mCaption(caption),
+              mHasMouse(false),
+              mKeyPressed(false),
+              mMousePressed(false),
+              mAlignment(Graphics::CENTER),
+              mSpacing(4)
+    {
+        setFocusable(true);
+        adjustSize();
+        setFrameSize(1);
+
+        addMouseListener(this);
+        addKeyListener(this);
+        addFocusListener(this);
+    }
+
+    void Button::setCaption(const std::string& caption)
+    {
+        mCaption = caption;
+    }
+
+    const std::string& Button::getCaption() const
+    {
+        return mCaption;
+    }
+
+    void Button::setAlignment(Graphics::Alignment alignment)
+    {
+        mAlignment = alignment;
+    }
+
+    Graphics::Alignment Button::getAlignment() const
+    {
+        return mAlignment;
+    }
+
+    void Button::setSpacing(unsigned int spacing)
+    {
+        mSpacing = spacing;
+    }
+
+    unsigned int Button::getSpacing() const
+    {
+      return mSpacing;
+    }
+
+    void Button::draw(Graphics* graphics)
+    {
+        Color faceColor = getBaseColor();
+        Color highlightColor, shadowColor;
+        int alpha = getBaseColor().a;
+
+        if (isPressed())
+        {
+            faceColor = faceColor - 0x303030;
+            faceColor.a = alpha;
+            highlightColor = faceColor - 0x303030;
+            highlightColor.a = alpha;
+            shadowColor = faceColor + 0x303030;
+            shadowColor.a = alpha;
+        }
+        else
+        {
+            highlightColor = faceColor + 0x303030;
+            highlightColor.a = alpha;
+            shadowColor = faceColor - 0x303030;
+            shadowColor.a = alpha;
+        }
+
+        graphics->setColor(faceColor);
+        graphics->fillRectangle(Rectangle(1, 1, getDimension().width-1, getHeight() - 1));
+
+        graphics->setColor(highlightColor);
+        graphics->drawLine(0, 0, getWidth() - 1, 0);
+        graphics->drawLine(0, 1, 0, getHeight() - 1);
+
+        graphics->setColor(shadowColor);
+        graphics->drawLine(getWidth() - 1, 1, getWidth() - 1, getHeight() - 1);
+        graphics->drawLine(1, getHeight() - 1, getWidth() - 1, getHeight() - 1);
+
+        graphics->setColor(getForegroundColor());
+
+        int textX;
+        int textY = getHeight() / 2 - getFont()->getHeight() / 2;
+
+        switch (getAlignment())
+        {
+          case Graphics::LEFT:
+              textX = mSpacing;
+              break;
+          case Graphics::CENTER:
+              textX = getWidth() / 2;
+              break;
+          case Graphics::RIGHT:
+              textX = getWidth() - mSpacing;
+              break;
+          default:
+              throw GCN_EXCEPTION("Unknown alignment.");
+        }
+
+        graphics->setFont(getFont());
+
+        if (isPressed())
+        {
+            graphics->drawText(getCaption(), textX + 1, textY + 1, getAlignment());
+        }
+        else
+        {
+            graphics->drawText(getCaption(), textX, textY, getAlignment());
+
+            if (isFocused())
+            {
+                graphics->drawRectangle(Rectangle(2, 2, getWidth() - 4,
+                                                  getHeight() - 4));
+            }
+        }
+    }
+
+    void Button::adjustSize()
+    {
+        setWidth(getFont()->getWidth(mCaption) + 2*mSpacing);
+        setHeight(getFont()->getHeight() + 2*mSpacing);
+    }
+
+    bool Button::isPressed() const
+    {
+        if (mMousePressed)
+        {
+            return mHasMouse;
+        }
+        else
+        {
+            return mKeyPressed;
+        }
+    }
+
+    void Button::mousePressed(MouseEvent& mouseEvent)
+    {
+        if (mouseEvent.getButton() == MouseEvent::LEFT)
+        {
+            mMousePressed = true;
+            mouseEvent.consume();
+        }
+    }
+
+    void Button::mouseExited(MouseEvent& mouseEvent)
+    {
+        mHasMouse = false;
+    }
+
+    void Button::mouseEntered(MouseEvent& mouseEvent)
+    {
+        mHasMouse = true;
+    }
+
+    void Button::mouseReleased(MouseEvent& mouseEvent)
+    {
+        if (mouseEvent.getButton() == MouseEvent::LEFT
+            && mMousePressed
+            && mHasMouse)
+        {
+            mMousePressed = false;
+            distributeActionEvent();
+            mouseEvent.consume();
+        }
+        else if (mouseEvent.getButton() == MouseEvent::LEFT)
+        {
+            mMousePressed = false;
+            mouseEvent.consume();
+        }
+    }
+
+    void Button::mouseDragged(MouseEvent& mouseEvent)
+    {
+        mouseEvent.consume();
+    }
+
+    void Button::keyPressed(KeyEvent& keyEvent)
+    {
+        Key key = keyEvent.getKey();
+
+        if (key.getValue() == Key::ENTER
+            || key.getValue() == Key::SPACE)
+        {
+            mKeyPressed = true;
+            keyEvent.consume();
+        }
+    }
+
+    void Button::keyReleased(KeyEvent& keyEvent)
+    {
+        Key key = keyEvent.getKey();
+
+        if ((key.getValue() == Key::ENTER
+             || key.getValue() == Key::SPACE)
+            && mKeyPressed)
+        {
+            mKeyPressed = false;
+            distributeActionEvent();
+            keyEvent.consume();
+        }
+    }
+
+    void Button::focusLost(const Event& event)
+    {
+        mMousePressed = false;
+        mKeyPressed = false;
+    }
+}