Merge scrollarea classes into one.

2 files changed, 0 insertions, 1147 deletions

diff --git a/src/gui/base/widgets/scrollarea.cpp b/src/gui/base/widgets/scrollarea.cpp
deleted file mode 100644
index 3c830c239..000000000
--- a/src/gui/base/widgets/scrollarea.cpp
+++ /dev/null
@@ -1,597 +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 "gui/base/widgets/scrollarea.hpp"
-
-#include "debug.h"
-
-namespace gcn
-{
-    ScrollArea::ScrollArea(const Widget2 *const widget) :
-        BasicContainer(widget),
-        MouseListener(),
-        mVScroll(0),
-        mHScroll(0),
-        mScrollbarWidth(12),
-        mHPolicy(SHOW_AUTO),
-        mVPolicy(SHOW_AUTO),
-        mVBarVisible(false),
-        mHBarVisible(false),
-        mUpButtonPressed(false),
-        mDownButtonPressed(false),
-        mLeftButtonPressed(false),
-        mRightButtonPressed(false),
-        mUpButtonScrollAmount(10),
-        mDownButtonScrollAmount(10),
-        mLeftButtonScrollAmount(10),
-        mRightButtonScrollAmount(10),
-        mIsVerticalMarkerDragged(false),
-        mIsHorizontalMarkerDragged(false),
-        mHorizontalMarkerDragOffset(0),
-        mVerticalMarkerDragOffset(0),
-        mOpaque(true)
-    {
-        addMouseListener(this);
-    }
-
-    ScrollArea::ScrollArea(const Widget2 *const widget,
-                           Widget *const content) :
-        BasicContainer(widget),
-        MouseListener(),
-        mVScroll(0),
-        mHScroll(0),
-        mScrollbarWidth(12),
-        mHPolicy(SHOW_AUTO),
-        mVPolicy(SHOW_AUTO),
-        mVBarVisible(false),
-        mHBarVisible(false),
-        mUpButtonPressed(false),
-        mDownButtonPressed(false),
-        mLeftButtonPressed(false),
-        mRightButtonPressed(false),
-        mUpButtonScrollAmount(10),
-        mDownButtonScrollAmount(10),
-        mLeftButtonScrollAmount(10),
-        mRightButtonScrollAmount(10),
-        mIsVerticalMarkerDragged(false),
-        mIsHorizontalMarkerDragged(false),
-        mHorizontalMarkerDragOffset(0),
-        mVerticalMarkerDragOffset(0),
-        mOpaque(true)
-    {
-        setContent(content);
-        addMouseListener(this);
-    }
-
-    ScrollArea::ScrollArea(const Widget2 *const widget,
-                           Widget *content,
-                           ScrollPolicy hPolicy,
-                           ScrollPolicy vPolicy) :
-        BasicContainer(widget),
-        MouseListener(),
-        mVScroll(0),
-        mHScroll(0),
-        mScrollbarWidth(12),
-        mHPolicy(hPolicy),
-        mVPolicy(vPolicy),
-        mVBarVisible(false),
-        mHBarVisible(false),
-        mUpButtonPressed(false),
-        mDownButtonPressed(false),
-        mLeftButtonPressed(false),
-        mRightButtonPressed(false),
-        mUpButtonScrollAmount(10),
-        mDownButtonScrollAmount(10),
-        mLeftButtonScrollAmount(10),
-        mRightButtonScrollAmount(10),
-        mIsVerticalMarkerDragged(false),
-        mIsHorizontalMarkerDragged(false),
-        mHorizontalMarkerDragOffset(0),
-        mVerticalMarkerDragOffset(0),
-        mOpaque(true)
-    {
-        setContent(content);
-        addMouseListener(this);
-    }
-
-    ScrollArea::~ScrollArea()
-    {
-        setContent(nullptr);
-    }
-
-    void ScrollArea::setContent(Widget* widget)
-    {
-        if (widget)
-        {
-            clear();
-            add(widget);
-            widget->setPosition(0, 0);
-        }
-        else
-        {
-            clear();
-        }
-
-        checkPolicies();
-    }
-
-    Widget* ScrollArea::getContent()
-    {
-        if (!mWidgets.empty())
-            return *mWidgets.begin();
-
-        return nullptr;
-    }
-
-    void ScrollArea::setHorizontalScrollPolicy(ScrollPolicy hPolicy)
-    {
-        mHPolicy = hPolicy;
-        checkPolicies();
-    }
-
-    ScrollArea::ScrollPolicy ScrollArea::getHorizontalScrollPolicy() const
-    {
-        return mHPolicy;
-    }
-
-    void ScrollArea::setVerticalScrollPolicy(ScrollPolicy vPolicy)
-    {
-        mVPolicy = vPolicy;
-        checkPolicies();
-    }
-
-    ScrollArea::ScrollPolicy ScrollArea::getVerticalScrollPolicy() const
-    {
-        return mVPolicy;
-    }
-
-    void ScrollArea::setScrollPolicy(ScrollPolicy hPolicy,
-                                     ScrollPolicy vPolicy)
-    {
-        mHPolicy = hPolicy;
-        mVPolicy = vPolicy;
-        checkPolicies();
-    }
-
-    void ScrollArea::setVerticalScrollAmount(int vScroll)
-    {
-        const int max = getVerticalMaxScroll();
-
-        mVScroll = vScroll;
-
-        if (vScroll > max)
-            mVScroll = max;
-
-        if (vScroll < 0)
-            mVScroll = 0;
-    }
-
-    int ScrollArea::getVerticalScrollAmount() const
-    {
-        return mVScroll;
-    }
-
-    void ScrollArea::setHorizontalScrollAmount(int hScroll)
-    {
-        const int max = getHorizontalMaxScroll();
-
-        mHScroll = hScroll;
-
-        if (hScroll > max)
-            mHScroll = max;
-        else if (hScroll < 0)
-            mHScroll = 0;
-    }
-
-    int ScrollArea::getHorizontalScrollAmount() const
-    {
-        return mHScroll;
-    }
-
-    void ScrollArea::setScrollAmount(int hScroll, int vScroll)
-    {
-        setHorizontalScrollAmount(hScroll);
-        setVerticalScrollAmount(vScroll);
-    }
-
-    int ScrollArea::getHorizontalMaxScroll()
-    {
-        checkPolicies();
-
-        const Widget *const content = getContent();
-        if (!content)
-            return 0;
-
-        const int value = content->getWidth() - getChildrenArea().width +
-            2 * content->getFrameSize();
-
-        if (value < 0)
-            return 0;
-
-        return value;
-    }
-
-    int ScrollArea::getVerticalMaxScroll()
-    {
-        checkPolicies();
-
-        const Widget *const content = getContent();
-        if (!content)
-            return 0;
-
-        int value;
-
-        value = content->getHeight() - getChildrenArea().height +
-            2 * content->getFrameSize();
-
-        if (value < 0)
-            return 0;
-
-        return value;
-    }
-
-    void ScrollArea::setScrollbarWidth(int width)
-    {
-        if (width > 0)
-            mScrollbarWidth = width;
-    }
-
-    int ScrollArea::getScrollbarWidth() const
-    {
-        return mScrollbarWidth;
-    }
-
-    void ScrollArea::mouseReleased(MouseEvent& mouseEvent)
-    {
-        mUpButtonPressed = false;
-        mDownButtonPressed = false;
-        mLeftButtonPressed = false;
-        mRightButtonPressed = false;
-        mIsHorizontalMarkerDragged = false;
-        mIsVerticalMarkerDragged = false;
-
-        mouseEvent.consume();
-    }
-
-    void ScrollArea::draw(Graphics *graphics A_UNUSED)
-    {
-    }
-
-    void ScrollArea::drawHBar(Graphics* graphics A_UNUSED)
-    {
-    }
-
-    void ScrollArea::drawVBar(Graphics* graphics A_UNUSED)
-    {
-    }
-
-    void ScrollArea::drawBackground(Graphics *graphics A_UNUSED)
-    {
-    }
-
-    void ScrollArea::drawUpButton(Graphics* graphics A_UNUSED)
-    {
-    }
-
-    void ScrollArea::drawDownButton(Graphics* graphics A_UNUSED)
-    {
-    }
-
-    void ScrollArea::drawLeftButton(Graphics* graphics A_UNUSED)
-    {
-    }
-
-    void ScrollArea::drawRightButton(Graphics* graphics A_UNUSED)
-    {
-    }
-
-    void ScrollArea::drawVMarker(Graphics* graphics A_UNUSED)
-    {
-    }
-
-    void ScrollArea::drawHMarker(Graphics* graphics A_UNUSED)
-    {
-    }
-
-    void ScrollArea::logic()
-    {
-        BLOCK_START("ScrollArea::logic")
-        checkPolicies();
-
-        setVerticalScrollAmount(getVerticalScrollAmount());
-        setHorizontalScrollAmount(getHorizontalScrollAmount());
-
-        Widget *const content = getContent();
-        if (content)
-        {
-            const int frameSize = content->getFrameSize();
-            content->setPosition(-mHScroll + frameSize, -mVScroll + frameSize);
-            content->logic();
-        }
-        BLOCK_END("ScrollArea::logic")
-    }
-
-    void ScrollArea::checkPolicies()
-    {
-        const int w = getWidth();
-        const int h = getHeight();
-
-        mHBarVisible = false;
-        mVBarVisible = false;
-
-        const Widget *const content = getContent();
-        if (!content)
-        {
-            mHBarVisible = (mHPolicy == SHOW_ALWAYS);
-            mVBarVisible = (mVPolicy == SHOW_ALWAYS);
-            return;
-        }
-
-        if (mHPolicy == SHOW_AUTO &&
-            mVPolicy == SHOW_AUTO)
-        {
-            if (content->getWidth() <= w
-                && content->getHeight() <= h)
-            {
-                mHBarVisible = false;
-                mVBarVisible = false;
-            }
-
-            if (content->getWidth() > w)
-            {
-                mHBarVisible = true;
-            }
-
-            if ((content->getHeight() > h)
-                || (mHBarVisible && content->getHeight()
-                > h - mScrollbarWidth))
-            {
-                mVBarVisible = true;
-            }
-
-            if (mVBarVisible && content->getWidth() > w - mScrollbarWidth)
-                mHBarVisible = true;
-
-            return;
-        }
-
-        switch (mHPolicy)
-        {
-            case SHOW_NEVER:
-                mHBarVisible = false;
-                break;
-
-            case SHOW_ALWAYS:
-                mHBarVisible = true;
-                break;
-
-            case SHOW_AUTO:
-                if (mVPolicy == SHOW_NEVER)
-                {
-                    mHBarVisible = (content->getWidth() > w);
-                }
-                else  // (mVPolicy == SHOW_ALWAYS)
-                {
-                    mHBarVisible = (content->getWidth()
-                        > w - mScrollbarWidth);
-                }
-                break;
-
-            default:
-                break;
-        }
-
-        switch (mVPolicy)
-        {
-            case SHOW_NEVER:
-                mVBarVisible = false;
-                break;
-
-            case SHOW_ALWAYS:
-                mVBarVisible = true;
-                break;
-
-            case SHOW_AUTO:
-                if (mHPolicy == SHOW_NEVER)
-                {
-                    mVBarVisible = (content->getHeight() > h);
-                }
-                else  // (mHPolicy == SHOW_ALWAYS)
-                {
-                    mVBarVisible = (content->getHeight()
-                        > h - mScrollbarWidth);
-                }
-                break;
-            default:
-                break;
-        }
-    }
-
-    Rect ScrollArea::getChildrenArea()
-    {
-        const Rect area = Rect(0, 0,
-            mVBarVisible ? (getWidth() - mScrollbarWidth) : getWidth(),
-            mHBarVisible ? (getHeight() - mScrollbarWidth) : getHeight());
-
-        if (area.width < 0 || area.height < 0)
-            return Rect();
-
-        return area;
-    }
-
-    void ScrollArea::showWidgetPart(Widget* widget, Rect area)
-    {
-        const Widget *const content = getContent();
-        if (widget != content)
-            return;
-
-        BasicContainer::showWidgetPart(widget, area);
-
-        setHorizontalScrollAmount(content->getFrameSize()
-            - content->getX());
-        setVerticalScrollAmount(content->getFrameSize()
-            - content->getY());
-    }
-
-    Widget *ScrollArea::getWidgetAt(int x, int y)
-    {
-        if (getChildrenArea().isPointInRect(x, y))
-            return getContent();
-
-        return nullptr;
-    }
-
-    void ScrollArea::mouseWheelMovedUp(MouseEvent& mouseEvent)
-    {
-        if (mouseEvent.isConsumed())
-            return;
-
-        setVerticalScrollAmount(getVerticalScrollAmount()
-            - getChildrenArea().height / 8);
-
-        mouseEvent.consume();
-    }
-
-    void ScrollArea::mouseWheelMovedDown(MouseEvent& mouseEvent)
-    {
-        if (mouseEvent.isConsumed())
-            return;
-
-        setVerticalScrollAmount(getVerticalScrollAmount()
-            + getChildrenArea().height / 8);
-
-        mouseEvent.consume();
-    }
-
-    void ScrollArea::setWidth(int width)
-    {
-        Widget::setWidth(width);
-        checkPolicies();
-    }
-
-    void ScrollArea::setHeight(int height)
-    {
-        Widget::setHeight(height);
-        checkPolicies();
-    }
-
-    void ScrollArea::setDimension(const Rect& dimension)
-    {
-        Widget::setDimension(dimension);
-        checkPolicies();
-    }
-
-    void ScrollArea::setLeftButtonScrollAmount(int amount)
-    {
-        mLeftButtonScrollAmount = amount;
-    }
-
-    void ScrollArea::setRightButtonScrollAmount(int amount)
-    {
-        mRightButtonScrollAmount = amount;
-    }
-
-    void ScrollArea::setUpButtonScrollAmount(int amount)
-    {
-        mUpButtonScrollAmount = amount;
-    }
-
-    void ScrollArea::setDownButtonScrollAmount(int amount)
-    {
-        mDownButtonScrollAmount = amount;
-    }
-
-    int ScrollArea::getLeftButtonScrollAmount() const
-    {
-        return mLeftButtonScrollAmount;
-    }
-
-    int ScrollArea::getRightButtonScrollAmount() const
-    {
-        return mRightButtonScrollAmount;
-    }
-
-    int ScrollArea::getUpButtonScrollAmount() const
-    {
-        return mUpButtonScrollAmount;
-    }
-
-    int ScrollArea::getDownButtonScrollAmount() const
-    {
-        return mDownButtonScrollAmount;
-    }
-
-    void ScrollArea::setOpaque(bool opaque)
-    {
-        mOpaque = opaque;
-    }
-
-    bool ScrollArea::isOpaque() const
-    {
-        return mOpaque;
-    }
-}  // namespace gcn
diff --git a/src/gui/base/widgets/scrollarea.hpp b/src/gui/base/widgets/scrollarea.hpp
deleted file mode 100644
index 624debc35..000000000
--- a/src/gui/base/widgets/scrollarea.hpp
+++ /dev/null
@@ -1,550 +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.
- */
-
-#ifndef GCN_SCROLLAREA_HPP
-#define GCN_SCROLLAREA_HPP
-
-#include "gui/widgets/basiccontainer.h"
-
-#include "listeners/mouselistener.h"
-
-namespace gcn
-{
-    /**
-     * Implementation if a scrollable area used to view widgets larger than the scroll area.
-     * A scroll area can be customized to always show scroll bars or to show them only when
-     * necessary.
-     */
-    class ScrollArea:
-        public BasicContainer,
-        public MouseListener
-    {
-    public:
-        /**
-         * Scrollpolicies for the horizontal and vertical scrollbar.
-         * The policies are:
-         *
-         * SHOW_ALWAYS - Always show the scrollbars no matter what.
-         * SHOW_NEVER  - Never show the scrollbars no matter waht.
-         * SHOW_AUTO   - Show the scrollbars only when needed. That is if the
-         *               content grows larger then the ScrollArea.
-         */
-        enum ScrollPolicy
-        {
-            SHOW_ALWAYS = 0,
-            SHOW_NEVER,
-            SHOW_AUTO
-        };
-
-        /**
-         * Constructor.
-         */
-        explicit ScrollArea(const Widget2 *const widget);
-
-        /**
-         * Constructor.
-         *
-         * @param content The content of the scroll area.
-         */
-        ScrollArea(const Widget2 *const widget,
-                   Widget *const content);
-
-        /**
-         * Constructor.
-         *
-         * @param content The content of the scroll area.
-         * @param hPolicy The policy for the horizontal scrollbar. See enum with
-         *                policies.
-         * @param vPolicy The policy for the vertical scrollbar. See enum with
-         *                policies.
-         */
-        ScrollArea(const Widget2 *const widget,
-                   Widget *content,
-                   ScrollPolicy hPolicy,
-                   ScrollPolicy vPolicy);
-
-        A_DELETE_COPY(ScrollArea)
-
-        /**
-         * Destructor.
-         */
-        virtual ~ScrollArea();
-
-        /**
-         * Sets the content.
-         *
-         * @param widget The content of the scroll area.
-         */
-        void setContent(Widget* widget);
-
-        /**
-         * Gets the content.
-         *
-         * @return The content of the scroll area.
-         */
-        Widget* getContent();
-
-        /**
-         * Sets the horizontal scrollbar policy. See enum with policies.
-         *
-         * @param hPolicy The policy for the horizontal scrollbar.
-         * @see getHorizontalScrollPolicy
-         */
-        void setHorizontalScrollPolicy(ScrollPolicy hPolicy);
-
-        /**
-         * Gets the horizontal scrollbar policy. See enum with policies.
-         *
-         * @return The policy for the horizontal scrollbar policy.
-         * @see setHorizontalScrollPolicy, setScrollPolicy
-         */
-        ScrollPolicy getHorizontalScrollPolicy() const;
-
-        /**
-         * Sets the vertical scrollbar policy. See enum with policies.
-         *
-         * @param vPolicy The policy for the vertical scrollbar.
-         * @see getVerticalScrollPolicy
-         */
-        void setVerticalScrollPolicy(ScrollPolicy vPolicy);
-
-        /**
-         * Gets the vertical scrollbar policy. See enum with policies.
-         *
-         * @return The policy for the vertical scrollbar.
-         * @see setVerticalScrollPolicy, setScrollPolicy
-         */
-        ScrollPolicy getVerticalScrollPolicy() const;
-
-        /**
-         * Sets the horizontal and vertical scrollbar policy.
-         *
-         * @param hPolicy The policy for the horizontal scrollbar.
-         * @param vPolicy The policy for the vertical scrollbar.
-         * @see getVerticalScrollPolicy, getHorizontalScrollPolicy
-         */
-        void setScrollPolicy(ScrollPolicy hPolicy, ScrollPolicy vPolicy);
-
-        /**
-         * Sets the amount to scroll vertically.
-         *
-         * @param vScroll The amount to scroll.
-         * @see getVerticalScrollAmount
-         */
-        void setVerticalScrollAmount(int vScroll);
-
-        /**
-         * Gets the amount that is scrolled vertically.
-         *
-         * @return The scroll amount on vertical scroll.
-         * @see setVerticalScrollAmount, setScrollAmount
-         */
-        int getVerticalScrollAmount() const;
-
-        /**
-         * Sets the amount to scroll horizontally.
-         *
-         * @param hScroll The amount to scroll.
-         * @see getHorizontalScrollAmount
-         */
-        void setHorizontalScrollAmount(int hScroll);
-
-        /**
-         * Gets the amount that is scrolled horizontally.
-         *
-         * @return The scroll amount on horizontal scroll.
-         * @see setHorizontalScrollAmount, setScrollAmount
-         */
-        int getHorizontalScrollAmount() const;
-
-        /**
-         * Sets the amount to scroll horizontally and vertically.
-         *
-         * @param hScroll The amount to scroll on horizontal scroll.
-         * @param vScroll The amount to scroll on vertical scroll.
-         * @see getHorizontalScrollAmount, getVerticalScrollAmount
-         */
-        void setScrollAmount(int hScroll, int vScroll);
-
-        /**
-         * Gets the maximum amount of horizontal scroll.
-         *
-         * @return The horizontal max scroll.
-         */
-        int getHorizontalMaxScroll();
-
-        /**
-         * Gets the maximum amount of vertical scroll.
-         *
-         * @return The vertical max scroll.
-         */
-        int getVerticalMaxScroll();
-
-        /**
-         * Sets the width of the scroll bars.
-         *
-         * @param width The width of the scroll bars.
-         * @see getScrollbarWidth
-         */
-        void setScrollbarWidth(int width);
-
-        /**
-         * Gets the width of the scroll bars.
-         *
-         * @return the width of the ScrollBar.
-         * @see setScrollbarWidth
-         */
-        int getScrollbarWidth() const;
-
-        /**
-         * Sets the amount to scroll in pixels when the left scroll button is
-         * pushed.
-         *
-         * @param amount The amount to scroll in pixels. 
-         * @see getLeftButtonScrollAmount
-         */
-        void setLeftButtonScrollAmount(int amount);
-
-        /**
-         * Sets the amount to scroll in pixels when the right scroll button is
-         * pushed.
-         *
-         * @param amount The amount to scroll in pixels.
-         * @see getRightButtonScrollAmount
-         */
-        void setRightButtonScrollAmount(int amount);
-
-        /**
-         * Sets the amount to scroll in pixels when the up scroll button is
-         * pushed.
-         *
-         * @param amount The amount to scroll in pixels.
-         * @see getUpButtonScrollAmount
-         */
-        void setUpButtonScrollAmount(int amount);
-
-        /**
-         * Sets the amount to scroll in pixels when the down scroll button is
-         * pushed.
-         *
-         * @param amount The amount to scroll in pixels.
-         * @see getDownButtonScrollAmount
-         */
-        void setDownButtonScrollAmount(int amount);
-
-        /**
-         * Gets the amount to scroll in pixels when the left scroll button is
-         * pushed.
-         *
-         * @return The amount to scroll in pixels.
-         * @see setLeftButtonScrollAmount
-         */
-        int getLeftButtonScrollAmount() const;
-
-        /**
-         * Gets the amount to scroll in pixels when the right scroll button is
-         * pushed.
-         *
-         * @return The amount to scroll in pixels.
-         * @see setRightButtonScrollAmount
-         */
-        int getRightButtonScrollAmount() const;
-
-        /**
-         * Gets the amount to scroll in pixels when the up scroll button is
-         * pushed.
-         *
-         * @return The amount to scroll in pixels.
-         * @see setUpButtonScrollAmount
-         */
-        int getUpButtonScrollAmount() const;
-
-        /**
-         * Gets the amount to scroll in pixels when the down scroll button is
-         * pushed.
-         *
-         * @return The amount to scroll in pixels.
-         * @see setDownButtonScrollAmount
-         */
-        int getDownButtonScrollAmount() const;
-
-        /**
-         * Sets the scroll area to be opaque, that is sets the scoll area
-         * to display its background.
-         *
-         * @param opaque True if the scoll area should be opaque, false otherwise.
-         */
-        void setOpaque(bool opaque);
-
-        /**
-         * Checks if the scroll area is opaque, that is if the scroll area
-         * displays its background.
-         *
-         * @return True if the scroll area is opaque, false otherwise.
-         */
-        bool isOpaque() const;
-
-        // Inherited from BasicContainer
-
-        virtual void showWidgetPart(Widget* widget, Rect area);
-
-        virtual Rect getChildrenArea();
-
-        virtual Widget *getWidgetAt(int x, int y);
-
-
-        // Inherited from Widget
-
-        virtual void draw(Graphics *graphics);
-
-        virtual void logic();
-
-        void setWidth(int width);
-
-        void setHeight(int height);
-
-        void setDimension(const Rect& dimension);
-
-
-        // Inherited from MouseListener
-
-        virtual void mouseReleased(MouseEvent& mouseEvent) override;
-
-        virtual void mouseWheelMovedUp(MouseEvent& mouseEvent) override;
-
-        virtual void mouseWheelMovedDown(MouseEvent& mouseEvent) override;
-
-    protected:
-        /**
-         * Draws the background of the scroll area, that is
-         * the area behind the content.
-         *
-         * @param graphics a Graphics object to draw with.
-         */
-        virtual void drawBackground(Graphics *graphics);
-
-        /**
-         * Draws the up button.
-         *
-         * @param graphics a Graphics object to draw with.
-         */
-        virtual void drawUpButton(Graphics *graphics);
-
-        /**
-         * Draws the down button.
-         *
-         * @param graphics a Graphics object to draw with.
-         */
-        virtual void drawDownButton(Graphics *graphics);
-
-        /**
-         * Draws the left button.
-         *
-         * @param graphics a Graphics object to draw with.
-         */
-        virtual void drawLeftButton(Graphics *graphics);
-
-        /**
-         * Draws the right button.
-         *
-         * @param graphics a Graphics object to draw with.
-         */
-        virtual void drawRightButton(Graphics *graphics);
-
-        /**
-         * Draws the vertical scroll bar.
-         *
-         * @param graphics a Graphics object to draw with.
-         */
-        virtual void drawVBar(Graphics* graphics);
-
-        /**
-         * Draws the horizontal scroll bar.
-         *
-         * @param graphics a Graphics object to draw with.
-         */
-        virtual void drawHBar(Graphics* graphics);
-
-        /**
-         * Draws the vertical marker.
-         *
-         * @param graphics a Graphics object to draw with.
-         */
-        virtual void drawVMarker(Graphics* graphics);
-
-        /**
-         * Draws the horizontal marker.
-         *
-         * @param graphics a Graphics object to draw with.
-         */
-        virtual void drawHMarker(Graphics* graphics);
-
-        /**
-         * Checks the policies for the scroll bars.
-         */
-        virtual void checkPolicies();
-
-        /**
-         * Holds the vertical scroll amount.
-         */
-        int mVScroll;
-
-        /**
-         * Holds the horizontal scroll amount.
-         */
-        int mHScroll;
-
-        /**
-         * Holds the width of the scroll bars.
-         */
-        int mScrollbarWidth;
-
-        /**
-         * Holds the horizontal scroll bar policy.
-         */
-        ScrollPolicy mHPolicy;
-
-        /**
-         * Holds the vertical scroll bar policy.
-         */
-        ScrollPolicy mVPolicy;
-
-        /**
-         * True if the vertical scroll bar is visible, false otherwise.
-         */
-        bool mVBarVisible;
-
-        /**
-         * True if the horizontal scroll bar is visible, false otherwise.
-         */
-        bool mHBarVisible;
-
-        /**
-         * True if the up button is pressed, false otherwise.
-         */
-        bool mUpButtonPressed;
-
-        /**
-         * True if the down button is pressed, false otherwise.
-         */
-        bool mDownButtonPressed;
-
-        /**
-         * True if the left button is pressed, false otherwise.
-         */
-        bool mLeftButtonPressed;
-
-        /**
-         * True if the right button is pressed, false otherwise.
-         */
-        bool mRightButtonPressed;
-
-        /**
-         * Holds the up button scroll amount.
-         */
-        int mUpButtonScrollAmount;
-
-        /**
-         * Holds the down button scroll amount.
-         */
-        int mDownButtonScrollAmount;
-
-        /**
-         * Holds the left button scroll amount.
-         */
-        int mLeftButtonScrollAmount;
-
-        /**
-         * Holds the right button scroll amount.
-         */
-        int mRightButtonScrollAmount;
-
-        /**
-         * True if the vertical marked is dragged.
-         */
-        bool mIsVerticalMarkerDragged;
-
-        /**
-         * True if the horizontal marked is dragged.
-         */
-        bool mIsHorizontalMarkerDragged;
-
-        /**
-         * Holds the horizontal markers drag offset.
-         */
-        int mHorizontalMarkerDragOffset;
-
-        /**
-         * Holds the vertical markers drag offset.
-         */
-        int mVerticalMarkerDragOffset;
-
-        /**
-         * True if the scroll area should be opaque (that is
-         * display its background), false otherwise.
-         */
-        bool mOpaque;
-    };
-}  // namespace gcn
-
-#endif  // end GCN_SCROLLAREA_HPP