move exguichan files into gui/base/

1 files changed, 0 insertions, 765 deletions

diff --git a/src/guichan/gui.cpp b/src/guichan/gui.cpp
deleted file mode 100644
index fa50812de..000000000
--- a/src/guichan/gui.cpp
+++ /dev/null
@@ -1,765 +0,0 @@
-/*
- *  The ManaPlus Client
- *  Copyright (C) 2011-2014  The ManaPlus Developers
- *
- *  This file is part of The ManaPlus Client.
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/*      _______   __   __   __   ______   __   __   _______   __   __
- *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
- *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
- *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
- *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
- * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
- * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
- *
- * 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/gui.hpp"
-
-#include "guichan/basiccontainer.hpp"
-#include "guichan/exception.hpp"
-#include "guichan/focushandler.hpp"
-#include "guichan/graphics.hpp"
-#include "guichan/input.hpp"
-#include "guichan/keyinput.hpp"
-#include "guichan/keylistener.hpp"
-#include "guichan/mouseinput.hpp"
-#include "guichan/mouselistener.hpp"
-#include "guichan/widget.hpp"
-
-#include "debug.h"
-
-namespace gcn
-{
-    Gui::Gui() :
-        mTop(nullptr),
-        mGraphics(nullptr),
-        mInput(nullptr),
-        mFocusHandler(new FocusHandler),
-        mTabbing(true),
-        mKeyListeners(),
-        mShiftPressed(false),
-        mMetaPressed(false),
-        mControlPressed(false),
-        mAltPressed(false),
-        mLastMousePressButton(0),
-        mLastMousePressTimeStamp(0),
-        mLastMouseX(0),
-        mLastMouseY(0),
-        mClickCount(1),
-        mLastMouseDragButton(0),
-        mWidgetWithMouseQueue()
-    {
-    }
-
-    Gui::~Gui()
-    {
-        if (Widget::widgetExists(mTop))
-            setTop(nullptr);
-
-        delete mFocusHandler;
-        mFocusHandler = nullptr;
-    }
-
-    void Gui::setTop(Widget* top)
-    {
-        if (mTop)
-            mTop->_setFocusHandler(nullptr);
-        if (top)
-            top->_setFocusHandler(mFocusHandler);
-
-        mTop = top;
-    }
-
-    Widget* Gui::getTop() const
-    {
-        return mTop;
-    }
-
-    void Gui::setGraphics(Graphics* graphics)
-    {
-        mGraphics = graphics;
-    }
-
-    Graphics* Gui::getGraphics() const
-    {
-        return mGraphics;
-    }
-
-    void Gui::setInput(Input* input)
-    {
-        mInput = input;
-    }
-
-    Input* Gui::getInput() const
-    {
-        return mInput;
-    }
-
-    void Gui::logic()
-    {
-    }
-
-    void Gui::draw()
-    {
-    }
-
-    void Gui::focusNone()
-    {
-        mFocusHandler->focusNone();
-    }
-
-    void Gui::setTabbingEnabled(bool tabbing)
-    {
-        mTabbing = tabbing;
-    }
-
-    bool Gui::isTabbingEnabled()
-    {
-        return mTabbing;
-    }
-
-    void Gui::addGlobalKeyListener(KeyListener* keyListener)
-    {
-        mKeyListeners.push_back(keyListener);
-    }
-
-    void Gui::removeGlobalKeyListener(KeyListener* keyListener)
-    {
-        mKeyListeners.remove(keyListener);
-    }
-
-    void Gui::handleMouseInput()
-    {
-    }
-
-    void Gui::handleKeyInput()
-    {
-    }
-
-    void Gui::handleMouseMoved(const MouseInput& mouseInput)
-    {
-        // Check if the mouse leaves the application window.
-        if (!mWidgetWithMouseQueue.empty() && (mouseInput.getX() < 0
-            || mouseInput.getY() < 0 || !mTop->getDimension().isPointInRect(
-            mouseInput.getX(), mouseInput.getY())))
-        {
-            // Distribute an event to all widgets in the
-            // "widget with mouse" queue.
-            while (!mWidgetWithMouseQueue.empty())
-            {
-                Widget *const widget = mWidgetWithMouseQueue.front();
-
-                if (Widget::widgetExists(widget))
-                {
-                    distributeMouseEvent(widget,
-                                         MouseEvent::EXITED,
-                                         mouseInput.getButton(),
-                                         mouseInput.getX(),
-                                         mouseInput.getY(),
-                                         true,
-                                         true);
-                }
-
-                mWidgetWithMouseQueue.pop_front();
-            }
-
-            return;
-        }
-
-        // Check if there is a need to send mouse exited events by
-        // traversing the "widget with mouse" queue.
-        bool widgetWithMouseQueueCheckDone = mWidgetWithMouseQueue.empty();
-        while (!widgetWithMouseQueueCheckDone)
-        {
-            unsigned int iterations = 0;
-            for (std::deque<Widget*>::iterator
-                 iter = mWidgetWithMouseQueue.begin();
-                 iter != mWidgetWithMouseQueue.end();
-                 ++ iter)
-            {
-                Widget *const widget = *iter;
-
-                // If a widget in the "widget with mouse queue" doesn't
-                // exists anymore it should be removed from the queue.
-                if (!Widget::widgetExists(widget))
-                {
-                    mWidgetWithMouseQueue.erase(iter);
-                    break;
-                }
-                else
-                {
-                    int x, y;
-                    widget->getAbsolutePosition(x, y);
-
-                    if (x > mouseInput.getX()
-                        || y > mouseInput.getY()
-                        || x + widget->getWidth() <= mouseInput.getX()
-                        || y + widget->getHeight() <= mouseInput.getY()
-                        || !widget->isVisible())
-                    {
-                        distributeMouseEvent(widget,
-                                             MouseEvent::EXITED,
-                                             mouseInput.getButton(),
-                                             mouseInput.getX(),
-                                             mouseInput.getY(),
-                                             true,
-                                             true);
-                        mClickCount = 1;
-                        mLastMousePressTimeStamp = 0;
-                        mWidgetWithMouseQueue.erase(iter);
-                        break;
-                    }
-                }
-
-                iterations++;
-            }
-
-            widgetWithMouseQueueCheckDone =
-                (iterations == mWidgetWithMouseQueue.size());
-        }
-
-        // Check all widgets below the mouse to see if they are
-        // present in the "widget with mouse" queue. If a widget
-        // is not then it should be added and an entered event should
-        // be sent to it.
-        Widget* parent = getMouseEventSource(
-            mouseInput.getX(), mouseInput.getY());
-        Widget* widget = parent;
-
-        // If a widget has modal mouse input focus then it will
-        // always be returned from getMouseEventSource, but we only wan't to
-        // send mouse entered events if the mouse has actually entered the
-        // widget with modal mouse input focus, hence we need to check if
-        // that's the case. If it's not we should simply ignore to send any
-        // mouse entered events.
-        if (mFocusHandler->getModalMouseInputFocused()
-            && widget == mFocusHandler->getModalMouseInputFocused()
-            && Widget::widgetExists(widget))
-        {
-            int x, y;
-            widget->getAbsolutePosition(x, y);
-
-            if (x > mouseInput.getX() || y > mouseInput.getY()
-                || x + widget->getWidth() <= mouseInput.getX()
-                || y + widget->getHeight() <= mouseInput.getY())
-            {
-                parent = nullptr;
-            }
-        }
-
-        while (parent)
-        {
-            parent = widget->getParent();
-
-            // Check if the widget is present in the "widget with mouse" queue.
-            bool widgetIsPresentInQueue = false;
-            FOR_EACH (std::deque<Widget*>::const_iterator,
-                      iter, mWidgetWithMouseQueue)
-            {
-                if (*iter == widget)
-                {
-                    widgetIsPresentInQueue = true;
-                    break;
-                }
-            }
-
-            // Widget is not present, send an entered event and add
-            // it to the "widget with mouse" queue.
-            if (!widgetIsPresentInQueue
-                && Widget::widgetExists(widget))
-            {
-                distributeMouseEvent(widget,
-                                     MouseEvent::ENTERED,
-                                     mouseInput.getButton(),
-                                     mouseInput.getX(),
-                                     mouseInput.getY(),
-                                     true,
-                                     true);
-                mWidgetWithMouseQueue.push_front(widget);
-            }
-
-            const Widget *const swap = widget;
-            widget = parent;
-            parent = swap->getParent();
-        }
-
-        if (mFocusHandler->getDraggedWidget())
-        {
-            distributeMouseEvent(mFocusHandler->getDraggedWidget(),
-                                 MouseEvent::DRAGGED,
-                                 mLastMouseDragButton,
-                                 mouseInput.getX(),
-                                 mouseInput.getY());
-        }
-        else
-        {
-            Widget *const sourceWidget = getMouseEventSource(
-                mouseInput.getX(), mouseInput.getY());
-
-            distributeMouseEvent(sourceWidget,
-                                 MouseEvent::MOVED,
-                                 mouseInput.getButton(),
-                                 mouseInput.getX(),
-                                 mouseInput.getY());
-        }
-    }
-
-    void Gui::handleMouseWheelMovedDown(const MouseInput& mouseInput)
-    {
-        Widget* sourceWidget = getMouseEventSource(
-            mouseInput.getX(), mouseInput.getY());
-
-        if (mFocusHandler->getDraggedWidget())
-            sourceWidget = mFocusHandler->getDraggedWidget();
-
-        int sourceWidgetX, sourceWidgetY;
-        sourceWidget->getAbsolutePosition(sourceWidgetX, sourceWidgetY);
-
-        distributeMouseEvent(sourceWidget,
-                             MouseEvent::WHEEL_MOVED_DOWN,
-                             mouseInput.getButton(),
-                             mouseInput.getX(),
-                             mouseInput.getY());
-    }
-
-    void Gui::handleMouseWheelMovedUp(const MouseInput& mouseInput)
-    {
-        Widget* sourceWidget = getMouseEventSource(
-            mouseInput.getX(), mouseInput.getY());
-
-        if (mFocusHandler->getDraggedWidget())
-            sourceWidget = mFocusHandler->getDraggedWidget();
-
-        int sourceWidgetX, sourceWidgetY;
-        sourceWidget->getAbsolutePosition(sourceWidgetX, sourceWidgetY);
-
-        distributeMouseEvent(sourceWidget,
-                             MouseEvent::WHEEL_MOVED_UP,
-                             mouseInput.getButton(),
-                             mouseInput.getX(),
-                             mouseInput.getY());
-    }
-
-    Widget* Gui::getWidgetAt(int x, int y)
-    {
-        // If the widget's parent has no child then we have found the widget..
-        Widget* parent = mTop;
-        Widget* child = mTop;
-
-        while (child)
-        {
-            Widget *const swap = child;
-            int parentX, parentY;
-            parent->getAbsolutePosition(parentX, parentY);
-            child = parent->getWidgetAt(x - parentX, y - parentY);
-            parent = swap;
-        }
-
-        return parent;
-    }
-
-    Widget* Gui::getMouseEventSource(int x, int y)
-    {
-        Widget *const widget = getWidgetAt(x, y);
-
-        // +++ possible nullpointer
-        if (mFocusHandler->getModalMouseInputFocused()
-            && !widget->isModalMouseInputFocused())
-        {
-            return mFocusHandler->getModalMouseInputFocused();
-        }
-
-        return widget;
-    }
-
-    Widget* Gui::getKeyEventSource()
-    {
-        Widget* widget = mFocusHandler->getFocused();
-
-        // +++ possible nullpointer
-        while (widget->_getInternalFocusHandler()
-               && widget->_getInternalFocusHandler()->getFocused())
-        {
-            widget = widget->_getInternalFocusHandler()->getFocused();
-        }
-
-        return widget;
-    }
-
-    void Gui::distributeMouseEvent(Widget* source,
-                                   int type,
-                                   int button,
-                                   int x,
-                                   int y,
-                                   bool force,
-                                   bool toSourceOnly)
-    {
-        Widget* parent = source;
-        Widget* widget = source;
-
-        if (mFocusHandler->getModalFocused()
-            && !widget->isModalFocused()
-            && !force)
-        {
-            return;
-        }
-
-        if (mFocusHandler->getModalMouseInputFocused()
-            && !widget->isModalMouseInputFocused()
-            && !force)
-        {
-            return;
-        }
-
-        MouseEvent mouseEvent(source,
-                              mShiftPressed,
-                              mControlPressed,
-                              mAltPressed,
-                              mMetaPressed,
-                              type,
-                              button,
-                              x,
-                              y,
-                              mClickCount);
-
-        while (parent)
-        {
-            // If the widget has been removed due to input
-            // cancel the distribution.
-            if (!Widget::widgetExists(widget))
-                break;
-
-            parent = widget->getParent();
-
-            if (widget->isEnabled() || force)
-            {
-                int widgetX, widgetY;
-                widget->getAbsolutePosition(widgetX, widgetY);
-
-                mouseEvent.mX = x - widgetX;
-                mouseEvent.mY = y - widgetY;
-
-                std::list<MouseListener*> mouseListeners
-                    = widget->_getMouseListeners();
-
-                // Send the event to all mouse listeners of the widget.
-                for (std::list<MouseListener*>::const_iterator
-                     it = mouseListeners.begin();
-                     it != mouseListeners.end();
-                     ++it)
-                {
-                    switch (mouseEvent.getType())
-                    {
-                        case MouseEvent::ENTERED:
-                            (*it)->mouseEntered(mouseEvent);
-                            break;
-                        case MouseEvent::EXITED:
-                            (*it)->mouseExited(mouseEvent);
-                            break;
-                        case MouseEvent::MOVED:
-                            (*it)->mouseMoved(mouseEvent);
-                            break;
-                        case MouseEvent::PRESSED:
-                            (*it)->mousePressed(mouseEvent);
-                            break;
-                        case MouseEvent::RELEASED:
-                            (*it)->mouseReleased(mouseEvent);
-                            break;
-                        case MouseEvent::WHEEL_MOVED_UP:
-                            (*it)->mouseWheelMovedUp(mouseEvent);
-                            break;
-                        case MouseEvent::WHEEL_MOVED_DOWN:
-                            (*it)->mouseWheelMovedDown(mouseEvent);
-                            break;
-                        case MouseEvent::DRAGGED:
-                            (*it)->mouseDragged(mouseEvent);
-                            break;
-                        case MouseEvent::CLICKED:
-                            (*it)->mouseClicked(mouseEvent);
-                            break;
-                        default:
-                            throw GCN_EXCEPTION("Unknown mouse event type.");
-                    }
-                }
-
-                if (toSourceOnly)
-                    break;
-            }
-
-            const Widget *const swap = widget;
-            widget = parent;
-            parent = swap->getParent();
-
-            // If a non modal focused widget has been reach
-            // and we have modal focus cancel the distribution.
-            if (mFocusHandler->getModalFocused()
-                && !widget->isModalFocused())
-            {
-                break;
-            }
-
-            // If a non modal mouse input focused widget has been reach
-            // and we have modal mouse input focus cancel the distribution.
-            if (mFocusHandler->getModalMouseInputFocused()
-                && !widget->isModalMouseInputFocused())
-            {
-                break;
-            }
-        }
-    }
-
-    void Gui::distributeKeyEvent(KeyEvent& keyEvent)
-    {
-        Widget* parent = keyEvent.getSource();
-        Widget* widget = keyEvent.getSource();
-
-        if (mFocusHandler->getModalFocused()
-            && !widget->isModalFocused())
-        {
-            return;
-        }
-
-        if (mFocusHandler->getModalMouseInputFocused()
-            && !widget->isModalMouseInputFocused())
-        {
-            return;
-        }
-
-        while (parent)
-        {
-            // If the widget has been removed due to input
-            // cancel the distribution.
-            if (!Widget::widgetExists(widget))
-                break;
-
-            parent = widget->getParent();
-
-            if (widget->isEnabled())
-            {
-                std::list<KeyListener*> keyListeners
-                    = widget->_getKeyListeners();
-
-                // Send the event to all key listeners of the source widget.
-                for (std::list<KeyListener*>::const_iterator
-                     it = keyListeners.begin();
-                     it != keyListeners.end();
-                     ++it)
-                {
-                    switch (keyEvent.getType())
-                    {
-                        case KeyEvent::PRESSED:
-                            (*it)->keyPressed(keyEvent);
-                            break;
-                        case KeyEvent::RELEASED:
-                            (*it)->keyReleased(keyEvent);
-                            break;
-                        default:
-                            throw GCN_EXCEPTION("Unknown key event type.");
-                    }
-                }
-            }
-
-            const Widget *const swap = widget;
-            widget = parent;
-            parent = swap->getParent();
-
-            // If a non modal focused widget has been reach
-            // and we have modal focus cancel the distribution.
-            if (mFocusHandler->getModalFocused()
-                && !widget->isModalFocused())
-            {
-                break;
-            }
-        }
-    }
-
-    void Gui::distributeKeyEventToGlobalKeyListeners(KeyEvent& keyEvent)
-    {
-        for (KeyListenerListIterator it = mKeyListeners.begin();
-             it != mKeyListeners.end(); ++ it)
-        {
-            switch (keyEvent.getType())
-            {
-                case KeyEvent::PRESSED:
-                    (*it)->keyPressed(keyEvent);
-                    break;
-                case KeyEvent::RELEASED:
-                    (*it)->keyReleased(keyEvent);
-                    break;
-                default:
-                    throw GCN_EXCEPTION("Unknown key event type.");
-            }
-
-            if (keyEvent.isConsumed())
-                break;
-        }
-    }
-
-    void Gui::handleModalMouseInputFocus()
-    {
-        BLOCK_START("Gui::handleModalMouseInputFocus")
-        // Check if modal mouse input focus has been gained by a widget.
-        if ((mFocusHandler->getLastWidgetWithModalMouseInputFocus()
-            != mFocusHandler->getModalMouseInputFocused())
-            && (!mFocusHandler->getLastWidgetWithModalMouseInputFocus()))
-        {
-            handleModalFocusGained();
-            mFocusHandler->setLastWidgetWithModalMouseInputFocus(
-                mFocusHandler->getModalMouseInputFocused());
-        }
-        // Check if modal mouse input focus has been released.
-        else if ((mFocusHandler->getLastWidgetWithModalMouseInputFocus()
-                 != mFocusHandler->getModalMouseInputFocused())
-                 && (mFocusHandler->getLastWidgetWithModalMouseInputFocus()))
-        {
-            handleModalFocusReleased();
-            mFocusHandler->setLastWidgetWithModalMouseInputFocus(nullptr);
-        }
-        BLOCK_END("Gui::handleModalMouseInputFocus")
-    }
-
-    void Gui::handleModalFocus()
-    {
-        BLOCK_START("Gui::handleModalFocus")
-        // Check if modal focus has been gained by a widget.
-        if ((mFocusHandler->getLastWidgetWithModalFocus()
-            != mFocusHandler->getModalFocused())
-            && (!mFocusHandler->getLastWidgetWithModalFocus()))
-        {
-            handleModalFocusGained();
-            mFocusHandler->setLastWidgetWithModalFocus(
-                mFocusHandler->getModalFocused());
-        }
-        // Check if modal focus has been released.
-        else if ((mFocusHandler->getLastWidgetWithModalFocus()
-                 != mFocusHandler->getModalFocused())
-                 && (mFocusHandler->getLastWidgetWithModalFocus()))
-        {
-            handleModalFocusReleased();
-            mFocusHandler->setLastWidgetWithModalFocus(nullptr);
-        }
-        BLOCK_END("Gui::handleModalFocus")
-    }
-
-    void Gui::handleModalFocusGained()
-    {
-         // Distribute an event to all widgets in the "widget with mouse" queue.
-        while (!mWidgetWithMouseQueue.empty())
-        {
-            Widget *const widget = mWidgetWithMouseQueue.front();
-
-            if (Widget::widgetExists(widget))
-            {
-                distributeMouseEvent(widget,
-                                     MouseEvent::EXITED,
-                                     mLastMousePressButton,
-                                     mLastMouseX,
-                                     mLastMouseY,
-                                     true,
-                                     true);
-            }
-
-            mWidgetWithMouseQueue.pop_front();
-        }
-
-        mFocusHandler->setLastWidgetWithModalMouseInputFocus(
-            mFocusHandler->getModalMouseInputFocused());
-    }
-
-    void Gui::handleModalFocusReleased()
-    {
-         // Check all widgets below the mouse to see if they are
-        // present in the "widget with mouse" queue. If a widget
-        // is not then it should be added and an entered event should
-        // be sent to it.
-        Widget* widget = getMouseEventSource(mLastMouseX, mLastMouseY);
-        Widget* parent = widget;
-
-        while (parent)
-        {
-            parent = widget->getParent();
-
-            // Check if the widget is present in the "widget with mouse" queue.
-            bool widgetIsPresentInQueue = false;
-            FOR_EACH (std::deque<Widget*>::const_iterator,
-                      iter, mWidgetWithMouseQueue)
-            {
-                if (*iter == widget)
-                {
-                    widgetIsPresentInQueue = true;
-                    break;
-                }
-            }
-
-            // Widget is not present, send an entered event and add
-            // it to the "widget with mouse" queue.
-            if (!widgetIsPresentInQueue && Widget::widgetExists(widget))
-            {
-                distributeMouseEvent(widget,
-                                     MouseEvent::ENTERED,
-                                     mLastMousePressButton,
-                                     mLastMouseX,
-                                     mLastMouseY,
-                                     false,
-                                     true);
-                mWidgetWithMouseQueue.push_front(widget);
-            }
-
-            const Widget *const swap = widget;
-            widget = parent;
-            parent = swap->getParent();
-        }
-    }
-}  // namespace gcn