--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/guichan-0.8.1/src/basiccontainer.cpp	Sun Jun 29 18:44:17 2008 +0000
@@ -0,0 +1,390 @@
+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * 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/basiccontainer.hpp"
+
+#include <algorithm>
+
+#include "guichan/exception.hpp"
+#include "guichan/focushandler.hpp"
+#include "guichan/graphics.hpp"
+#include "guichan/mouseinput.hpp"
+
+namespace gcn
+{
+    BasicContainer::~BasicContainer()
+    {
+        clear();
+    }
+
+    void BasicContainer::moveToTop(Widget* widget)
+    {
+        WidgetListIterator iter;
+        for (iter = mWidgets.begin(); iter != mWidgets.end(); iter++)
+        {
+            if (*iter == widget)
+            {
+                mWidgets.erase(iter);
+                mWidgets.push_back(widget);
+                return;
+            }
+        }
+
+        throw GCN_EXCEPTION("There is no such widget in this container.");
+    }
+
+    void BasicContainer::moveToBottom(Widget* widget)
+    {
+        WidgetListIterator iter;
+        iter = find(mWidgets.begin(), mWidgets.end(), widget);
+
+        if (iter == mWidgets.end())
+        {
+            throw GCN_EXCEPTION("There is no such widget in this container.");
+        }
+        mWidgets.erase(iter);
+        mWidgets.push_front(widget);
+    }
+
+    void BasicContainer::death(const Event& event)
+    {
+        WidgetListIterator iter;
+        iter = find(mWidgets.begin(), mWidgets.end(), event.getSource());
+
+        if (iter == mWidgets.end())
+        {
+            throw GCN_EXCEPTION("There is no such widget in this container.");
+        }
+
+        mWidgets.erase(iter);
+    }
+
+    Rectangle BasicContainer::getChildrenArea()
+    {
+        return Rectangle(0, 0, getWidth(), getHeight());
+    }
+
+    void BasicContainer::focusNext()
+    {
+        WidgetListIterator it;
+
+        for (it = mWidgets.begin(); it != mWidgets.end(); it++)
+        {
+            if ((*it)->isFocused())
+            {
+                break;
+            }
+        }
+
+        WidgetListIterator end = it;
+
+        if (it == mWidgets.end())
+        {
+            it = mWidgets.begin();
+        }
+
+        it++;
+
+        for ( ; it != end; it++)
+        {
+            if (it == mWidgets.end())
+            {
+                it = mWidgets.begin();
+            }
+
+            if ((*it)->isFocusable())
+            {
+                (*it)->requestFocus();
+                return;
+            }
+        }
+    }
+
+    void BasicContainer::focusPrevious()
+    {
+        WidgetListReverseIterator it;
+
+        for (it = mWidgets.rbegin(); it != mWidgets.rend(); it++)
+        {
+            if ((*it)->isFocused())
+            {
+                break;
+            }
+        }
+
+        WidgetListReverseIterator end = it;
+
+        it++;
+
+        if (it == mWidgets.rend())
+        {
+            it = mWidgets.rbegin();
+        }
+
+        for ( ; it != end; it++)
+        {
+            if (it == mWidgets.rend())
+            {
+                it = mWidgets.rbegin();
+            }
+
+            if ((*it)->isFocusable())
+            {
+                (*it)->requestFocus();
+                return;
+            }
+        }
+    }
+
+    Widget *BasicContainer::getWidgetAt(int x, int y)
+    {
+        Rectangle r = getChildrenArea();
+
+        if (!r.isPointInRect(x, y))
+        {
+            return NULL;
+        }
+
+        x -= r.x;
+        y -= r.y;
+
+        WidgetListReverseIterator it;
+        for (it = mWidgets.rbegin(); it != mWidgets.rend(); it++)
+        {
+            if ((*it)->isVisible() && (*it)->getDimension().isPointInRect(x, y))
+            {
+                return (*it);
+            }
+        }
+
+        return NULL;
+    }
+
+    void BasicContainer::logic()
+    {
+        logicChildren();
+    }
+
+    void BasicContainer::_setFocusHandler(FocusHandler* focusHandler)
+    {
+        Widget::_setFocusHandler(focusHandler);
+
+        if (mInternalFocusHandler != NULL)
+        {
+            return;
+        }
+
+        WidgetListIterator iter;
+        for (iter = mWidgets.begin(); iter != mWidgets.end(); iter++)
+        {
+            (*iter)->_setFocusHandler(focusHandler);
+        }
+    }
+
+    void BasicContainer::add(Widget* widget)
+    {
+        mWidgets.push_back(widget);
+
+        if (mInternalFocusHandler == NULL)
+        {
+            widget->_setFocusHandler(_getFocusHandler());
+        }
+        else
+        {
+            widget->_setFocusHandler(mInternalFocusHandler);
+        }
+
+        widget->_setParent(this);
+        widget->addDeathListener(this);
+    }
+
+    void BasicContainer::remove(Widget* widget)
+    {
+        WidgetListIterator iter;
+        for (iter = mWidgets.begin(); iter != mWidgets.end(); iter++)
+        {
+            if (*iter == widget)
+            {
+                mWidgets.erase(iter);
+                widget->_setFocusHandler(NULL);
+                widget->_setParent(NULL);
+                widget->removeDeathListener(this);
+                return;
+            }
+        }
+
+        throw GCN_EXCEPTION("There is no such widget in this container.");
+    }
+
+    void BasicContainer::clear()
+    {
+        WidgetListIterator iter;
+
+        for (iter = mWidgets.begin(); iter != mWidgets.end(); iter++)
+        {
+            (*iter)->_setFocusHandler(NULL);
+            (*iter)->_setParent(NULL);
+            (*iter)->removeDeathListener(this);
+        }
+
+        mWidgets.clear();
+    }
+
+    void BasicContainer::drawChildren(Graphics* graphics)
+    {
+        graphics->pushClipArea(getChildrenArea());
+
+        WidgetListIterator iter;
+        for (iter = mWidgets.begin(); iter != mWidgets.end(); iter++)
+        {
+            if ((*iter)->isVisible())
+            {
+                // If the widget has a frame,
+                // draw it before drawing the widget
+                if ((*iter)->getFrameSize() > 0)
+                {
+                    Rectangle rec = (*iter)->getDimension();
+                    rec.x -= (*iter)->getFrameSize();
+                    rec.y -= (*iter)->getFrameSize();
+                    rec.width += 2 * (*iter)->getFrameSize();
+                    rec.height += 2 * (*iter)->getFrameSize();
+                    graphics->pushClipArea(rec);
+                    (*iter)->drawFrame(graphics);
+                    graphics->popClipArea();
+                }
+
+                graphics->pushClipArea((*iter)->getDimension());
+                (*iter)->draw(graphics);
+                graphics->popClipArea();
+            }
+        }
+
+        graphics->popClipArea();
+    }
+
+    void BasicContainer::logicChildren()
+    {
+        WidgetListIterator iter;
+        for (iter = mWidgets.begin(); iter != mWidgets.end(); iter++)
+        {
+            (*iter)->logic();
+        }
+    }
+
+    void BasicContainer::showWidgetPart(Widget* widget, Rectangle area)
+    {
+        Rectangle widgetArea = getChildrenArea();
+
+        area.x += widget->getX();
+        area.y += widget->getY();
+        
+        if (area.x + area.width > widgetArea.width)
+        {
+            widget->setX(widget->getX() - area.x - area.width + widgetArea.width);
+        }
+
+        if (area.y + area.height > widgetArea.height)
+        {
+            widget->setY(widget->getY() - area.y - area.height + widgetArea.height);
+        }
+
+        if (area.x < 0)
+        {
+            widget->setX(widget->getX() - area.x);
+        }
+
+        if (area.y < 0)
+        {
+            widget->setY(widget->getY() - area.y);
+        }
+    }
+
+
+    void BasicContainer::setInternalFocusHandler(FocusHandler* focusHandler)
+    {
+        Widget::setInternalFocusHandler(focusHandler);
+
+        WidgetListIterator iter;
+        for (iter = mWidgets.begin(); iter != mWidgets.end(); iter++)
+        {
+            if (mInternalFocusHandler == NULL)
+            {
+                (*iter)->_setFocusHandler(_getFocusHandler());
+            }
+            else
+            {
+                (*iter)->_setFocusHandler(mInternalFocusHandler);
+            }
+        }
+    }
+
+    Widget* BasicContainer::findWidgetById(const std::string& id)
+    {
+        WidgetListIterator iter;
+        for (iter = mWidgets.begin(); iter != mWidgets.end(); iter++)
+        {
+            if ((*iter)->getId() == id)
+            {
+                return (*iter);
+            }
+            
+            BasicContainer *basicContainer = dynamic_cast<BasicContainer*>(*iter);
+            
+            if (basicContainer != NULL)
+            {
+                Widget *widget = basicContainer->findWidgetById(id);
+                
+                if (widget != NULL)
+                {
+                    return widget;
+                }
+            }
+        }
+
+        return NULL;
+    }
+}