--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/guichan-0.8.1/src/widgets/textbox.cpp	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,532 @@
+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * 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/textbox.hpp"
+
+#include "guichan/basiccontainer.hpp"
+#include "guichan/font.hpp"
+#include "guichan/graphics.hpp"
+#include "guichan/key.hpp"
+#include "guichan/mouseinput.hpp"
+
+namespace gcn
+{
+    TextBox::TextBox()
+    {
+        mCaretColumn = 0;
+        mCaretRow = 0;
+        mEditable = true;
+        mOpaque = true;
+
+        setFocusable(true);
+
+        addMouseListener(this);
+        addKeyListener(this);
+        adjustSize();
+        setText("");
+    }
+
+    TextBox::TextBox(const std::string& text)
+    {
+        mCaretColumn = 0;
+        mCaretRow = 0;
+        mEditable = true;
+        mOpaque = true;
+
+        setText(text);
+
+        setFocusable(true);
+
+        addMouseListener(this);
+        addKeyListener(this);
+        adjustSize();
+    }
+
+    void TextBox::setText(const std::string& text)
+    {
+        mCaretColumn = 0;
+        mCaretRow = 0;
+
+        mTextRows.clear();
+
+        std::string::size_type pos, lastPos = 0;
+        int length;
+        do
+        {
+            pos = text.find("\n", lastPos);
+
+            if (pos != std::string::npos)
+            {
+                length = pos - lastPos;
+            }
+            else
+            {
+                length = text.size() - lastPos;
+            }
+            std::string sub = text.substr(lastPos, length);
+            mTextRows.push_back(sub);
+            lastPos = pos + 1;
+
+        } while (pos != std::string::npos);
+
+        adjustSize();
+    }
+
+    void TextBox::draw(Graphics* graphics)
+    {
+        /*
+        int width = getWidth() + getBorderSize() * 2 - 1;
+        int height = getHeight() + getBorderSize() * 2 - 1;
+
+        graphics->setColor(getBackgroundColor());
+
+        unsigned int i;
+        for (i = 0; i < getBorderSize(); ++i)
+        {
+            graphics->drawLine(i,i, width - i, i);
+            graphics->drawLine(i,i + 1, i, height - i - 1);
+            graphics->drawLine(width - i,i + 1, width - i, height - i);
+            graphics->drawLine(i,height - i, width - i - 1, height - i);
+        }
+        */
+
+        unsigned int i;
+
+        if (mOpaque)
+        {
+            graphics->setColor(getBackgroundColor());
+            graphics->fillRectangle(Rectangle(0, 0, getWidth(), getHeight()));
+        }
+
+        if (isFocused() && isEditable())
+        {
+            drawCaret(graphics, getFont()->getWidth(mTextRows[mCaretRow].substr(0, mCaretColumn)), mCaretRow * getFont()->getHeight());
+        }
+
+        graphics->setColor(getForegroundColor());
+        graphics->setFont(getFont());
+
+        for (i = 0; i < mTextRows.size(); i++)
+        {
+            // Move the text one pixel so we can have a caret before a letter.
+            graphics->drawText(mTextRows[i], 1, i * getFont()->getHeight());
+        }
+    }
+
+    void TextBox::drawCaret(Graphics* graphics, int x, int y)
+    {
+        graphics->setColor(getForegroundColor());
+        graphics->drawLine(x, getFont()->getHeight() + y, x, y);
+    }
+
+    void TextBox::mousePressed(MouseEvent& mouseEvent)
+    {
+        if (mouseEvent.getButton() == MouseEvent::LEFT)
+        {
+            mCaretRow = mouseEvent.getY() / getFont()->getHeight();
+
+            if (mCaretRow >= (int)mTextRows.size())
+            {
+                mCaretRow = mTextRows.size() - 1;
+            }
+
+            mCaretColumn = getFont()->getStringIndexAt(mTextRows[mCaretRow], mouseEvent.getX());
+        }
+    }
+
+    void TextBox::mouseDragged(MouseEvent& mouseEvent)
+    {
+        mouseEvent.consume();
+    }
+
+    void TextBox::keyPressed(KeyEvent& keyEvent)
+    {
+        Key key = keyEvent.getKey();
+
+        if (key.getValue() == Key::LEFT)
+        {
+            --mCaretColumn;
+            if (mCaretColumn < 0)
+            {
+                --mCaretRow;
+
+                if (mCaretRow < 0)
+                {
+                    mCaretRow = 0;
+                    mCaretColumn = 0;
+                }
+                else
+                {
+                    mCaretColumn = mTextRows[mCaretRow].size();
+                }
+            }
+        }
+
+        else if (key.getValue() == Key::RIGHT)
+        {
+            ++mCaretColumn;
+            if (mCaretColumn > (int)mTextRows[mCaretRow].size())
+            {
+                ++mCaretRow;
+
+                if (mCaretRow >= (int)mTextRows.size())
+                {
+                    mCaretRow = mTextRows.size() - 1;
+                    if (mCaretRow < 0)
+                    {
+                        mCaretRow = 0;
+                    }
+
+                    mCaretColumn = mTextRows[mCaretRow].size();
+                }
+                else
+                {
+                    mCaretColumn = 0;
+                }
+            }
+        }
+
+        else if (key.getValue() == Key::DOWN)
+        {
+            setCaretRow(mCaretRow + 1);
+        }
+
+        else if (key.getValue() == Key::UP)
+        {
+            setCaretRow(mCaretRow - 1);
+        }
+
+        else if (key.getValue() == Key::HOME)
+        {
+            mCaretColumn = 0;
+        }
+
+        else if (key.getValue() == Key::END)
+        {
+            mCaretColumn = mTextRows[mCaretRow].size();
+        }
+
+        else if (key.getValue() == Key::ENTER && mEditable)
+        {
+            mTextRows.insert(mTextRows.begin() + mCaretRow + 1,
+                             mTextRows[mCaretRow].substr(mCaretColumn, mTextRows[mCaretRow].size() - mCaretColumn));
+            mTextRows[mCaretRow].resize(mCaretColumn);
+            ++mCaretRow;
+            mCaretColumn = 0;
+        }
+
+        else if (key.getValue() == Key::BACKSPACE
+                 && mCaretColumn != 0
+                 && mEditable)
+        {
+            mTextRows[mCaretRow].erase(mCaretColumn - 1, 1);
+            --mCaretColumn;
+        }
+
+        else if (key.getValue() == Key::BACKSPACE
+                 && mCaretColumn == 0
+                 && mCaretRow != 0
+                 && mEditable)
+        {
+            mCaretColumn = mTextRows[mCaretRow - 1].size();
+            mTextRows[mCaretRow - 1] += mTextRows[mCaretRow];
+            mTextRows.erase(mTextRows.begin() + mCaretRow);
+            --mCaretRow;
+        }
+
+        else if (key.getValue() == Key::DELETE
+                 && mCaretColumn < (int)mTextRows[mCaretRow].size()
+                 && mEditable)
+        {
+            mTextRows[mCaretRow].erase(mCaretColumn, 1);
+        }
+
+        else if (key.getValue() == Key::DELETE
+                 && mCaretColumn == (int)mTextRows[mCaretRow].size()
+                 && mCaretRow < ((int)mTextRows.size() - 1)
+                 && mEditable)
+        {
+            mTextRows[mCaretRow] += mTextRows[mCaretRow + 1];
+            mTextRows.erase(mTextRows.begin() + mCaretRow + 1);
+        }
+
+        else if(key.getValue() == Key::PAGE_UP)
+        {
+            Widget* par = getParent();
+
+            if (par != NULL)
+            {
+                int rowsPerPage = par->getChildrenArea().height / getFont()->getHeight();
+                mCaretRow -= rowsPerPage;
+
+                if (mCaretRow < 0)
+                {
+                    mCaretRow = 0;
+                }
+            }
+        }
+
+        else if(key.getValue() == Key::PAGE_DOWN)
+        {
+            Widget* par = getParent();
+
+            if (par != NULL)
+            {
+                int rowsPerPage = par->getChildrenArea().height / getFont()->getHeight();
+                mCaretRow += rowsPerPage;
+
+                if (mCaretRow >= (int)mTextRows.size())
+                {
+                    mCaretRow = mTextRows.size() - 1;
+                }
+            }
+        }
+
+        else if(key.getValue() == Key::TAB
+                && mEditable)
+        {
+            mTextRows[mCaretRow].insert(mCaretColumn,std::string("    "));
+            mCaretColumn += 4;
+        }
+
+        else if (key.isCharacter()
+                 && mEditable)
+        {
+            mTextRows[mCaretRow].insert(mCaretColumn,std::string(1,(char)key.getValue()));
+            ++mCaretColumn;
+        }
+
+        adjustSize();
+        scrollToCaret();
+
+        keyEvent.consume();
+    }
+
+    void TextBox::adjustSize()
+    {
+        unsigned int i;
+        int width = 0;
+        for (i = 0; i < mTextRows.size(); ++i)
+        {
+            int w = getFont()->getWidth(mTextRows[i]);
+            if (width < w)
+            {
+                width = w;
+            }
+        }
+
+        setWidth(width + 1);
+        setHeight(getFont()->getHeight() * mTextRows.size());
+    }
+
+    void TextBox::setCaretPosition(unsigned int position)
+    {
+        int row;
+
+        for (row = 0; row < (int)mTextRows.size(); row++)
+        {
+            if (position <= mTextRows[row].size())
+            {
+                mCaretRow = row;
+                mCaretColumn = position;
+                return; // we are done
+            }
+            else
+            {
+                position--;
+            }
+        }
+
+        // position beyond end of text
+        mCaretRow = mTextRows.size() - 1;
+        mCaretColumn = mTextRows[mCaretRow].size();
+    }
+
+    unsigned int TextBox::getCaretPosition() const
+    {
+        int pos = 0, row;
+
+        for (row = 0; row < mCaretRow; row++)
+        {
+            pos += mTextRows[row].size();
+        }
+
+        return pos + mCaretColumn;
+    }
+
+    void TextBox::setCaretRowColumn(int row, int column)
+    {
+        setCaretRow(row);
+        setCaretColumn(column);
+    }
+
+    void TextBox::setCaretRow(int row)
+    {
+        mCaretRow = row;
+
+        if (mCaretRow >= (int)mTextRows.size())
+        {
+            mCaretRow = mTextRows.size() - 1;
+        }
+
+        if (mCaretRow < 0)
+        {
+            mCaretRow = 0;
+        }
+
+        setCaretColumn(mCaretColumn);
+    }
+
+    unsigned int TextBox::getCaretRow() const
+    {
+        return mCaretRow;
+    }
+
+    void TextBox::setCaretColumn(int column)
+    {
+        mCaretColumn = column;
+
+        if (mCaretColumn > (int)mTextRows[mCaretRow].size())
+        {
+            mCaretColumn = mTextRows[mCaretRow].size();
+        }
+
+        if (mCaretColumn < 0)
+        {
+            mCaretColumn = 0;
+        }
+    }
+
+    unsigned int TextBox::getCaretColumn() const
+    {
+        return mCaretColumn;
+    }
+
+    const std::string& TextBox::getTextRow(int row) const
+    {
+        return mTextRows[row];
+    }
+
+    void TextBox::setTextRow(int row, const std::string& text)
+    {
+        mTextRows[row] = text;
+
+        if (mCaretRow == row)
+        {
+            setCaretColumn(mCaretColumn);
+        }
+
+        adjustSize();
+    }
+
+    unsigned int TextBox::getNumberOfRows() const
+    {
+        return mTextRows.size();
+    }
+
+    std::string TextBox::getText() const
+    {
+        if (mTextRows.size() == 0)
+        {
+            return std::string("");
+        }
+
+        int i;
+        std::string text;
+
+        for (i = 0; i < (int)mTextRows.size() - 1; ++i)
+        {
+            text = text + mTextRows[i] + "\n";
+        }
+
+        text = text + mTextRows[i];
+
+        return text;
+    }
+
+    void TextBox::fontChanged()
+    {
+        adjustSize();
+    }
+
+    void TextBox::scrollToCaret()
+    {
+        Rectangle scroll;
+        scroll.x = getFont()->getWidth(mTextRows[mCaretRow].substr(0, mCaretColumn));
+        scroll.y = getFont()->getHeight() * mCaretRow;
+        scroll.width = getFont()->getWidth(" ");
+        scroll.height = getFont()->getHeight() + 2; // add 2 for some extra space
+
+        showPart(scroll);
+    }
+
+    void TextBox::setEditable(bool editable)
+    {
+        mEditable = editable;
+    }
+
+    bool TextBox::isEditable() const
+    {
+        return mEditable;
+    }
+
+    void TextBox::addRow(const std::string row)
+    {
+        mTextRows.push_back(row);
+        adjustSize();
+    }
+
+    bool TextBox::isOpaque()
+    {
+        return mOpaque;
+    }
+
+    void TextBox::setOpaque(bool opaque)
+    {
+        mOpaque = opaque;
+    }
+}