--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/guichan-0.8.1/src/widget.cpp	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,735 @@
+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * 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/widget.hpp"
+
+#include "guichan/actionevent.hpp"
+#include "guichan/actionlistener.hpp"
+#include "guichan/basiccontainer.hpp"
+#include "guichan/deathlistener.hpp"
+#include "guichan/defaultfont.hpp"
+#include "guichan/event.hpp"
+#include "guichan/exception.hpp"
+#include "guichan/focushandler.hpp"
+#include "guichan/graphics.hpp"
+#include "guichan/keyinput.hpp"
+#include "guichan/keylistener.hpp"
+#include "guichan/mouseinput.hpp"
+#include "guichan/mouselistener.hpp"
+#include "guichan/widgetlistener.hpp"
+
+namespace gcn
+{
+    Font* Widget::mGlobalFont = NULL;
+    DefaultFont Widget::mDefaultFont;
+    std::list<Widget*> Widget::mWidgets;
+
+    Widget::Widget()
+            : mForegroundColor(0x000000),
+              mBackgroundColor(0xffffff),
+              mBaseColor(0x808090),
+              mSelectionColor(0xc3d9ff),
+              mFocusHandler(NULL),
+              mInternalFocusHandler(NULL),
+              mParent(NULL),
+              mFrameSize(0),
+              mFocusable(false),
+              mVisible(true),
+              mTabIn(true),
+              mTabOut(true),
+              mEnabled(true),
+              mCurrentFont(NULL)
+    {
+        mWidgets.push_back(this);
+    }
+
+    Widget::~Widget()
+    {
+        DeathListenerIterator iter;
+
+        for (iter = mDeathListeners.begin(); iter != mDeathListeners.end(); ++iter)
+        {
+            Event event(this);
+            (*iter)->death(event);
+        }
+
+        _setFocusHandler(NULL);
+
+        mWidgets.remove(this);
+    }
+
+    void Widget::drawFrame(Graphics* graphics)
+    {
+        Color faceColor = getBaseColor();
+        Color highlightColor, shadowColor;
+        int alpha = getBaseColor().a;
+        int width = getWidth() + getFrameSize() * 2 - 1;
+        int height = getHeight() + getFrameSize() * 2 - 1;
+        highlightColor = faceColor + 0x303030;
+        highlightColor.a = alpha;
+        shadowColor = faceColor - 0x303030;
+        shadowColor.a = alpha;
+
+        unsigned int i;
+        for (i = 0; i < getFrameSize(); ++i)
+        {
+            graphics->setColor(shadowColor);
+            graphics->drawLine(i,i, width - i, i);
+            graphics->drawLine(i,i + 1, i, height - i - 1);
+            graphics->setColor(highlightColor);
+            graphics->drawLine(width - i,i + 1, width - i, height - i);
+            graphics->drawLine(i,height - i, width - i - 1, height - i);
+        }
+    }
+
+    void Widget::_setParent(Widget* parent)
+    {
+        mParent = parent;
+    }
+
+    Widget* Widget::getParent() const
+    {
+        return mParent;
+    }
+
+    void Widget::setWidth(int width)
+    {
+        Rectangle newDimension = mDimension;
+        newDimension.width = width;
+
+        setDimension(newDimension);
+    }
+
+    int Widget::getWidth() const
+    {
+        return mDimension.width;
+    }
+
+    void Widget::setHeight(int height)
+    {
+        Rectangle newDimension = mDimension;
+        newDimension.height = height;
+
+        setDimension(newDimension);
+    }
+
+    int Widget::getHeight() const
+    {
+        return mDimension.height;
+    }
+
+    void Widget::setX(int x)
+    {
+        Rectangle newDimension = mDimension;
+        newDimension.x = x;
+
+        setDimension(newDimension);
+    }
+
+    int Widget::getX() const
+    {
+        return mDimension.x;
+    }
+
+    void Widget::setY(int y)
+    {
+        Rectangle newDimension = mDimension;
+        newDimension.y = y;
+
+        setDimension(newDimension);
+    }
+
+    int Widget::getY() const
+    {
+        return mDimension.y;
+    }
+
+    void Widget::setPosition(int x, int y)
+    {
+        Rectangle newDimension = mDimension;
+        newDimension.x = x;
+        newDimension.y = y;
+        
+        setDimension(newDimension);
+    }
+
+    void Widget::setDimension(const Rectangle& dimension)
+    { 
+        Rectangle oldDimension = mDimension;
+        mDimension = dimension;
+
+        if (mDimension.width != oldDimension.width
+            || mDimension.height != oldDimension.height)
+        {
+            distributeResizedEvent();
+        }
+
+        if (mDimension.x != oldDimension.x
+            || mDimension.y != oldDimension.y)
+        {
+            distributeMovedEvent();
+        }
+    }
+
+    void Widget::setFrameSize(unsigned int frameSize)
+    {
+        mFrameSize = frameSize;
+    }
+
+    unsigned int Widget::getFrameSize() const
+    {
+        return mFrameSize;
+    }
+
+    const Rectangle& Widget::getDimension() const
+    {
+        return mDimension;
+    }
+
+    const std::string& Widget::getActionEventId() const
+    {
+        return mActionEventId;
+    }
+
+    void Widget::setActionEventId(const std::string& actionEventId)
+    {
+        mActionEventId = actionEventId;
+    }
+
+    bool Widget::isFocused() const
+    {
+        if (!mFocusHandler)
+        {
+            return false;
+        }
+
+        return (mFocusHandler->isFocused(this));
+    }
+
+    void Widget::setFocusable(bool focusable)
+    {
+        if (!focusable && isFocused())
+        {
+            mFocusHandler->focusNone();
+        }
+
+        mFocusable = focusable;
+    }
+
+    bool Widget::isFocusable() const
+    {
+        return mFocusable && isVisible() && isEnabled();
+    }
+
+    void Widget::requestFocus()
+    {
+        if (mFocusHandler == NULL)
+        {
+            throw GCN_EXCEPTION("No focushandler set (did you add the widget to the gui?).");
+        }
+
+        if (isFocusable())
+        {
+            mFocusHandler->requestFocus(this);
+        }
+    }
+
+    void Widget::requestMoveToTop()
+    {
+        if (mParent)
+        {
+            mParent->moveToTop(this);
+        }
+    }
+
+    void Widget::requestMoveToBottom()
+    {
+        if (mParent)
+        {
+            mParent->moveToBottom(this);
+        }
+    }
+
+    void Widget::setVisible(bool visible)
+    {
+        if (!visible && isFocused())
+        {
+            mFocusHandler->focusNone();
+        }
+        
+        if (visible)
+        {
+            distributeShownEvent();
+        }
+        else if(!visible)
+        {
+            distributeHiddenEvent();
+        }
+
+        mVisible = visible;
+    }
+
+    bool Widget::isVisible() const
+    {
+        if (getParent() == NULL)
+        {
+            return mVisible;
+        }
+        else
+        {
+            return mVisible && getParent()->isVisible();
+        }
+    }
+
+    void Widget::setBaseColor(const Color& color)
+    {
+        mBaseColor = color;
+    }
+
+    const Color& Widget::getBaseColor() const
+    {
+        return mBaseColor;
+    }
+
+    void Widget::setForegroundColor(const Color& color)
+    {
+        mForegroundColor = color;
+    }
+
+    const Color& Widget::getForegroundColor() const
+    {
+        return mForegroundColor;
+    }
+
+    void Widget::setBackgroundColor(const Color& color)
+    {
+        mBackgroundColor = color;
+    }
+
+    const Color& Widget::getBackgroundColor() const
+    {
+        return mBackgroundColor;
+    }
+
+    void Widget::setSelectionColor(const Color& color)
+    {
+        mSelectionColor = color;
+    }
+
+    const Color& Widget::getSelectionColor() const
+    {
+        return mSelectionColor;
+    }    
+    
+    void Widget::_setFocusHandler(FocusHandler* focusHandler)
+    {
+        if (mFocusHandler)
+        {
+            releaseModalFocus();
+            mFocusHandler->remove(this);
+        }
+
+        if (focusHandler)
+        {
+            focusHandler->add(this);
+        }
+
+        mFocusHandler = focusHandler;
+    }
+
+    FocusHandler* Widget::_getFocusHandler()
+    {
+        return mFocusHandler;
+    }
+
+    void Widget::addActionListener(ActionListener* actionListener)
+    {
+        mActionListeners.push_back(actionListener);
+    }
+
+    void Widget::removeActionListener(ActionListener* actionListener)
+    {
+        mActionListeners.remove(actionListener);
+    }
+
+    void Widget::addDeathListener(DeathListener* deathListener)
+    {
+        mDeathListeners.push_back(deathListener);
+    }
+
+    void Widget::removeDeathListener(DeathListener* deathListener)
+    {
+        mDeathListeners.remove(deathListener);
+    }
+
+    void Widget::addKeyListener(KeyListener* keyListener)
+    {
+        mKeyListeners.push_back(keyListener);
+    }
+
+    void Widget::removeKeyListener(KeyListener* keyListener)
+    {
+        mKeyListeners.remove(keyListener);
+    }
+
+    void Widget::addFocusListener(FocusListener* focusListener)
+    {
+        mFocusListeners.push_back(focusListener);
+    }
+
+    void Widget::removeFocusListener(FocusListener* focusListener)
+    {
+        mFocusListeners.remove(focusListener);
+    }
+
+    void Widget::addMouseListener(MouseListener* mouseListener)
+    {
+        mMouseListeners.push_back(mouseListener);
+    }
+
+    void Widget::removeMouseListener(MouseListener* mouseListener)
+    {
+        mMouseListeners.remove(mouseListener);
+    }
+
+    void Widget::addWidgetListener(WidgetListener* widgetListener)
+    {
+        mWidgetListeners.push_back(widgetListener);
+    }
+
+    void Widget::removeWidgetListener(WidgetListener* widgetListener)
+    {
+        mWidgetListeners.remove(widgetListener);
+    }
+
+    void Widget::getAbsolutePosition(int& x, int& y) const
+    {
+        if (getParent() == NULL)
+        {
+            x = mDimension.x;
+            y = mDimension.y;
+            return;
+        }
+
+        int parentX;
+        int parentY;
+
+        getParent()->getAbsolutePosition(parentX, parentY);
+
+        x = parentX + mDimension.x + getParent()->getChildrenArea().x;
+        y = parentY + mDimension.y + getParent()->getChildrenArea().y;
+    }
+
+    Font* Widget::getFont() const
+    {
+        if (mCurrentFont == NULL)
+        {
+            if (mGlobalFont == NULL)
+            {
+                return &mDefaultFont;
+            }
+
+            return mGlobalFont;
+        }
+
+        return mCurrentFont;
+    }
+
+    void Widget::setGlobalFont(Font* font)
+    {
+        mGlobalFont = font;
+
+        std::list<Widget*>::iterator iter;
+        for (iter = mWidgets.begin(); iter != mWidgets.end(); ++iter)
+        {
+            if ((*iter)->mCurrentFont == NULL)
+            {
+                (*iter)->fontChanged();
+            }
+        }
+    }
+
+    void Widget::setFont(Font* font)
+    {
+        mCurrentFont = font;
+        fontChanged();
+    }
+
+    bool Widget::widgetExists(const Widget* widget)
+    {
+        bool result = false;
+
+        std::list<Widget*>::iterator iter;
+        for (iter = mWidgets.begin(); iter != mWidgets.end(); ++iter)
+        {
+            if (*iter == widget)
+            {
+                return true;
+            }
+        }
+
+        return result;
+    }
+
+    bool Widget::isTabInEnabled() const
+    {
+        return mTabIn;
+    }
+
+    void Widget::setTabInEnabled(bool enabled)
+    {
+        mTabIn = enabled;
+    }
+
+    bool Widget::isTabOutEnabled() const
+    {
+        return mTabOut;
+    }
+
+    void Widget::setTabOutEnabled(bool enabled)
+    {
+        mTabOut = enabled;
+    }
+
+    void Widget::setSize(int width, int height)
+    {
+        Rectangle newDimension = mDimension;
+        newDimension.width = width;
+        newDimension.height = height;
+
+        setDimension(newDimension);
+    }
+
+    void Widget::setEnabled(bool enabled)
+    {
+        mEnabled = enabled;
+    }
+
+    bool Widget::isEnabled() const
+    {
+        return mEnabled && isVisible();
+    }
+
+    void Widget::requestModalFocus()
+    {
+        if (mFocusHandler == NULL)
+        {
+            throw GCN_EXCEPTION("No focushandler set (did you add the widget to the gui?).");
+        }
+
+        mFocusHandler->requestModalFocus(this);
+    }
+
+    void Widget::requestModalMouseInputFocus()
+    {
+        if (mFocusHandler == NULL)
+        {
+            throw GCN_EXCEPTION("No focushandler set (did you add the widget to the gui?).");
+        }
+
+        mFocusHandler->requestModalMouseInputFocus(this);
+    }
+
+    void Widget::releaseModalFocus()
+    {
+        if (mFocusHandler == NULL)
+        {
+            return;
+        }
+
+        mFocusHandler->releaseModalFocus(this);
+    }
+
+    void Widget::releaseModalMouseInputFocus()
+    {
+        if (mFocusHandler == NULL)
+        {
+            return;
+        }
+
+        mFocusHandler->releaseModalMouseInputFocus(this);
+    }
+
+    bool Widget::isModalFocused() const
+    {
+        if (mFocusHandler == NULL)
+        {
+            throw GCN_EXCEPTION("No focushandler set (did you add the widget to the gui?).");
+        }
+
+        if (getParent() != NULL)
+        {
+            return (mFocusHandler->getModalFocused() == this) 
+                || getParent()->isModalFocused();
+        }
+
+        return mFocusHandler->getModalFocused() == this;
+    }
+
+    bool Widget::isModalMouseInputFocused() const
+    {
+        if (mFocusHandler == NULL)
+        {
+            throw GCN_EXCEPTION("No focushandler set (did you add the widget to the gui?).");
+        }
+
+        if (getParent() != NULL)
+        {
+            return (mFocusHandler->getModalMouseInputFocused() == this) 
+                || getParent()->isModalMouseInputFocused();
+        }
+
+        return mFocusHandler->getModalMouseInputFocused() == this;
+    }
+
+    Widget *Widget::getWidgetAt(int x, int y)
+    {
+        return NULL;
+    }
+
+    const std::list<MouseListener*>& Widget::_getMouseListeners()
+    {
+        return mMouseListeners;
+    }
+
+    const std::list<KeyListener*>& Widget::_getKeyListeners()
+    {
+        return mKeyListeners;
+    }
+
+    const std::list<FocusListener*>& Widget::_getFocusListeners()
+    {
+        return mFocusListeners;
+    }
+
+    Rectangle Widget::getChildrenArea()
+    {
+        return Rectangle(0, 0, 0, 0);
+    }
+
+    FocusHandler* Widget::_getInternalFocusHandler()
+    {
+        return mInternalFocusHandler;
+    }
+
+    void Widget::setInternalFocusHandler(FocusHandler* focusHandler)
+    {
+        mInternalFocusHandler = focusHandler;
+    }
+
+    void Widget::setId(const std::string& id)
+    {
+        mId = id;
+    }
+
+    const std::string& Widget::getId()
+    {
+        return mId;
+    }
+
+    void Widget::distributeResizedEvent()
+    {
+        WidgetListenerIterator iter;
+
+        for (iter = mWidgetListeners.begin(); iter != mWidgetListeners.end(); ++iter)
+        {
+            Event event(this);
+            (*iter)->widgetResized(event);
+        }
+    }
+
+    void Widget::distributeMovedEvent()
+    {
+        WidgetListenerIterator iter;
+
+        for (iter = mWidgetListeners.begin(); iter != mWidgetListeners.end(); ++iter)
+        {
+            Event event(this);
+            (*iter)->widgetMoved(event);
+        }
+    }
+
+    void Widget::distributeHiddenEvent()
+    {
+        WidgetListenerIterator iter;
+
+        for (iter = mWidgetListeners.begin(); iter != mWidgetListeners.end(); ++iter)
+        {
+            Event event(this);
+            (*iter)->widgetHidden(event);
+        }
+    }
+
+    void Widget::distributeActionEvent()
+    {
+        ActionListenerIterator iter;
+        for (iter = mActionListeners.begin(); iter != mActionListeners.end(); ++iter)
+        {
+            ActionEvent actionEvent(this, mActionEventId);
+            (*iter)->action(actionEvent);
+        }
+    }
+
+    void Widget::distributeShownEvent()
+    {
+        WidgetListenerIterator iter;
+
+        for (iter = mWidgetListeners.begin(); iter != mWidgetListeners.end(); ++iter)
+        {
+            Event event(this);
+            (*iter)->widgetShown(event);
+        }
+    }
+
+    void Widget::showPart(Rectangle rectangle)
+    {
+        if (mParent != NULL)
+        {
+            mParent->showWidgetPart(this, rectangle);
+        }                
+    }
+}