--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/guichan-0.8.2/src/widgets/textfield.cpp	Mon Jan 11 23:34:52 2010 +0000
@@ -0,0 +1,280 @@
+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * 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/textfield.hpp"
+
+#include "guichan/font.hpp"
+#include "guichan/graphics.hpp"
+#include "guichan/key.hpp"
+#include "guichan/mouseinput.hpp"
+
+namespace gcn
+{
+    TextField::TextField()
+    {
+        mCaretPosition = 0;
+        mXScroll = 0;
+
+        setFocusable(true);
+
+        addMouseListener(this);
+        addKeyListener(this);
+    }
+
+    TextField::TextField(const std::string& text)
+    {
+        mCaretPosition = 0;
+        mXScroll = 0;
+
+        mText = text;
+        adjustSize();
+
+        setFocusable(true);
+
+        addMouseListener(this);
+        addKeyListener(this);
+    }
+
+    void TextField::setText(const std::string& text)
+    {
+        if(text.size() < mCaretPosition )
+        {
+            mCaretPosition = text.size();
+        }
+
+        mText = text;
+    }
+
+    void TextField::draw(Graphics* graphics)
+    {
+        Color faceColor = getBaseColor();
+        Color highlightColor, shadowColor;
+        int alpha = getBaseColor().a;
+        highlightColor = faceColor + 0x303030;
+        highlightColor.a = alpha;
+        shadowColor = faceColor - 0x303030;
+        shadowColor.a = alpha;
+
+        // Draw a border.
+        graphics->setColor(shadowColor);
+        graphics->drawLine(0, 0, getWidth() - 1, 0);
+        graphics->drawLine(0, 1, 0, getHeight() - 2);
+        graphics->setColor(highlightColor);
+        graphics->drawLine(getWidth() - 1, 1, getWidth() - 1, getHeight() - 1);
+        graphics->drawLine(0, getHeight() - 1, getWidth() - 1, getHeight() - 1);
+
+        // Push a clip area so the other drawings don't need to worry
+        // about the border.
+        graphics->pushClipArea(Rectangle(1, 1, getWidth() - 2, getHeight() - 2));
+
+        graphics->setColor(getBackgroundColor());
+        graphics->fillRectangle(Rectangle(0, 0, getWidth(), getHeight()));
+
+        if (isFocused())
+        {
+            graphics->setColor(getSelectionColor());
+            graphics->drawRectangle(Rectangle(0, 0, getWidth() - 2, getHeight() - 2));
+            graphics->drawRectangle(Rectangle(1, 1, getWidth() - 4, getHeight() - 4));
+        }
+
+        if (isFocused())
+        {
+            drawCaret(graphics, getFont()->getWidth(mText.substr(0, mCaretPosition)) - mXScroll);
+        }
+
+        graphics->setColor(getForegroundColor());
+        graphics->setFont(getFont());
+        graphics->drawText(mText, 3 - mXScroll, 1);
+
+        graphics->popClipArea();
+    }
+
+    void TextField::drawCaret(Graphics* graphics, int x)
+    {
+        // Check the current clip area as a clip area with a different
+        // size than the widget might have been pushed (which is the
+        // case in the draw method when we push a clip area after we have
+        // drawn a border).
+        const Rectangle clipArea = graphics->getCurrentClipArea();
+
+        graphics->setColor(getForegroundColor());
+        graphics->drawLine(x, clipArea.height - 2, x, 1);
+    }
+
+    void TextField::mousePressed(MouseEvent& mouseEvent)
+    {
+        if (mouseEvent.getButton() == MouseEvent::LEFT)
+        {
+            mCaretPosition = getFont()->getStringIndexAt(mText, mouseEvent.getX() + mXScroll);
+            fixScroll();
+        }
+    }
+
+    void TextField::mouseDragged(MouseEvent& mouseEvent)
+    {
+        mouseEvent.consume();
+    }
+    
+    void TextField::keyPressed(KeyEvent& keyEvent)
+    {
+        Key key = keyEvent.getKey();
+
+        if (key.getValue() == Key::LEFT && mCaretPosition > 0)
+        {
+            --mCaretPosition;
+        }
+
+        else if (key.getValue() == Key::RIGHT && mCaretPosition < mText.size())
+        {
+            ++mCaretPosition;
+        }
+
+        else if (key.getValue() == Key::DELETE && mCaretPosition < mText.size())
+        {
+            mText.erase(mCaretPosition, 1);
+        }
+
+        else if (key.getValue() == Key::BACKSPACE && mCaretPosition > 0)
+        {
+            mText.erase(mCaretPosition - 1, 1);
+            --mCaretPosition;
+        }
+
+        else if (key.getValue() == Key::ENTER)
+        {
+            distributeActionEvent();
+        }
+
+        else if (key.getValue() == Key::HOME)
+        {
+            mCaretPosition = 0;
+        }
+
+        else if (key.getValue() == Key::END)
+        {
+            mCaretPosition = mText.size();
+        }
+
+        else if (key.isCharacter()
+                 && key.getValue() != Key::TAB)
+        {
+            mText.insert(mCaretPosition, std::string(1,(char)key.getValue()));
+            ++mCaretPosition;
+        }
+
+        if (key.getValue() != Key::TAB)
+        {
+            keyEvent.consume();
+        }
+        
+        fixScroll();
+    }
+
+    void TextField::adjustSize()
+    {
+        setWidth(getFont()->getWidth(mText) + 7);
+        adjustHeight();
+
+        fixScroll();
+    }
+
+    void TextField::adjustHeight()
+    {
+        setHeight(getFont()->getHeight() + 4);
+    }
+
+    void TextField::fixScroll()
+    {
+        if (isFocused())
+        {
+            int caretX = getFont()->getWidth(mText.substr(0, mCaretPosition));
+
+            if (caretX - mXScroll >= getWidth() - 4)
+            {
+                mXScroll = caretX - getWidth() + 4;
+            }
+            else if (caretX - mXScroll <= 0)
+            {
+                mXScroll = caretX - getWidth() / 2;
+
+                if (mXScroll < 0)
+                {
+                    mXScroll = 0;
+                }
+            }
+        }
+    }
+
+    void TextField::setCaretPosition(unsigned int position)
+    {
+        if (position > mText.size())
+        {
+            mCaretPosition = mText.size();
+        }
+        else
+        {
+            mCaretPosition = position;
+        }
+
+        fixScroll();
+    }
+
+    unsigned int TextField::getCaretPosition() const
+    {
+        return mCaretPosition;
+    }
+
+    const std::string& TextField::getText() const
+    {
+        return mText;
+    }
+
+    void TextField::fontChanged()
+    {
+        fixScroll();
+    }
+}