Merge slider classes into one.

6 files changed, 368 insertions, 535 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 7b5199d1b..b71cb026a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -811,7 +811,6 @@ SET(SRCS
     gui/widgets/widget.h
     listeners/widgetlistener.h
     gui/base/widgets/container.hpp
-    gui/base/widgets/slider.hpp
     gui/base/widgets/textbox.hpp
     gui/base/widgets/textfield.hpp
     gui/widgets/basiccontainer.cpp
@@ -821,7 +820,6 @@ SET(SRCS
     gui/rect.cpp
     gui/widgets/widget.cpp
     gui/base/widgets/container.cpp
-    gui/base/widgets/slider.cpp
     gui/base/widgets/textbox.cpp
     gui/base/widgets/textfield.cpp
     )
diff --git a/src/Makefile.am b/src/Makefile.am
index fb901ee83..85c9deee3 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -174,7 +174,6 @@ manaplus_SOURCES += events/actionevent.h \
 	      gui/widgets/widget.h \
 	      listeners/widgetlistener.h \
 	      gui/base/widgets/container.hpp \
-	      gui/base/widgets/slider.hpp \
 	      gui/base/widgets/textbox.hpp \
 	      gui/base/widgets/textfield.hpp \
 	      gui/widgets/basiccontainer.cpp \
@@ -184,7 +183,6 @@ manaplus_SOURCES += events/actionevent.h \
 	      gui/rect.cpp \
 	      gui/widgets/widget.cpp \
 	      gui/base/widgets/container.cpp \
-	      gui/base/widgets/slider.cpp \
 	      gui/base/widgets/textbox.cpp \
 	      gui/base/widgets/textfield.cpp
 
diff --git a/src/gui/base/widgets/slider.cpp b/src/gui/base/widgets/slider.cpp
deleted file mode 100644
index 40c73ceb5..000000000
--- a/src/gui/base/widgets/slider.cpp
+++ /dev/null
@@ -1,230 +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/slider.hpp"
-
-#include "debug.h"
-
-namespace gcn
-{
-    Slider::Slider(const Widget2 *const widget,
-                   const double scaleEnd) :
-        Widget(widget),
-        MouseListener(),
-        KeyListener(),
-        mDragged(false),
-        mValue(0),
-        mStepLength(scaleEnd / 10),
-        mMarkerLength(10),
-        mScaleStart(0),
-        mScaleEnd(scaleEnd),
-        mOrientation(HORIZONTAL)
-    {
-        setFocusable(true);
-        setFrameSize(1);
-
-        addMouseListener(this);
-        addKeyListener(this);
-    }
-
-    Slider::Slider(const Widget2 *const widget,
-                   const double scaleStart,
-                   const double scaleEnd) :
-        Widget(widget),
-        MouseListener(),
-        KeyListener(),
-        mDragged(false),
-        mValue(scaleStart),
-        mStepLength((scaleEnd - scaleStart) / 10),
-        mMarkerLength(10),
-        mScaleStart(scaleStart),
-        mScaleEnd(scaleEnd),
-        mOrientation(HORIZONTAL)
-    {
-        setFocusable(true);
-        setFrameSize(1);
-
-        addMouseListener(this);
-        addKeyListener(this);
-    }
-
-    void Slider::setScale(double scaleStart, double scaleEnd)
-    {
-        mScaleStart = scaleStart;
-        mScaleEnd = scaleEnd;
-    }
-
-    double Slider::getScaleStart() const
-    {
-        return mScaleStart;
-    }
-
-    void Slider::setScaleStart(double scaleStart)
-    {
-        mScaleStart = scaleStart;
-    }
-
-    double Slider::getScaleEnd() const
-    {
-        return mScaleEnd;
-    }
-
-    void Slider::setScaleEnd(double scaleEnd)
-    {
-        mScaleEnd = scaleEnd;
-    }
-
-    void Slider::setValue(double value)
-    {
-        if (value > getScaleEnd())
-        {
-            mValue = getScaleEnd();
-            return;
-        }
-
-        if (value < getScaleStart())
-        {
-            mValue = getScaleStart();
-            return;
-        }
-
-        mValue = value;
-    }
-
-    double Slider::getValue() const
-    {
-        return mValue;
-    }
-
-    int Slider::getMarkerLength() const
-    {
-        return mMarkerLength;
-    }
-
-    void Slider::setMarkerLength(int length)
-    {
-        mMarkerLength = length;
-    }
-
-    void Slider::setOrientation(Slider::Orientation orientation)
-    {
-        mOrientation = orientation;
-    }
-
-    Slider::Orientation Slider::getOrientation() const
-    {
-        return mOrientation;
-    }
-
-    double Slider::markerPositionToValue(int v) const
-    {
-        int w;
-        if (getOrientation() == HORIZONTAL)
-            w = getWidth();
-        else
-            w = getHeight();
-
-        const double pos = v / (static_cast<double>(w) - getMarkerLength());
-        return (1.0 - pos) * getScaleStart() + pos * getScaleEnd();
-    }
-
-    int Slider::valueToMarkerPosition(double value) const
-    {
-        int v;
-        if (getOrientation() == HORIZONTAL)
-            v = getWidth();
-        else
-            v = getHeight();
-
-        const int w = static_cast<int>((v - getMarkerLength())
-                * (value  - getScaleStart())
-                / (getScaleEnd() - getScaleStart()));
-
-        if (w < 0)
-            return 0;
-
-        if (w > v - getMarkerLength())
-            return v - getMarkerLength();
-
-        return w;
-    }
-
-    void Slider::setStepLength(double length)
-    {
-        mStepLength = length;
-    }
-
-    double Slider::getStepLength() const
-    {
-        return mStepLength;
-    }
-
-    int Slider::getMarkerPosition() const
-    {
-        return valueToMarkerPosition(getValue());
-    }
-}  // namespace gcn
diff --git a/src/gui/base/widgets/slider.hpp b/src/gui/base/widgets/slider.hpp
deleted file mode 100644
index 9d5adc6d8..000000000
--- a/src/gui/base/widgets/slider.hpp
+++ /dev/null
@@ -1,297 +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_SLIDER_HPP
-#define GCN_SLIDER_HPP
-
-#include "listeners/keylistener.h"
-#include "listeners/mouselistener.h"
-
-#include "gui/widgets/widget.h"
-
-namespace gcn
-{
-    /**
-     * An implementation of a slider where a user can select different values by
-     * sliding between a start value and an end value of a scale. 
-     *
-     * If the selected value is changed an action event will be sent to all
-     * action listeners of the slider.
-     */
-    class Slider :
-        public Widget,
-        public MouseListener,
-        public KeyListener
-    {
-    public:
-        /**
-         * Draw orientations for the slider. A slider can be drawn vertically or
-         * horizontally.
-         */
-        enum Orientation
-        {
-            HORIZONTAL = 0,
-            VERTICAL
-        };
-
-        /**
-         * Constructor. The default start value of the slider scale is zero.
-         *
-         * @param scaleEnd The end value of the slider scale.
-         */
-        explicit Slider(const Widget2 *const widget,
-                        const double scaleEnd = 1.0);
-
-        /**
-         * Constructor.
-         *
-         * @param scaleStart The start value of the slider scale.
-         * @param scaleEnd The end value of the slider scale.
-         */
-        Slider(const Widget2 *const widget,
-               const double scaleStart,
-               const double scaleEnd);
-
-        A_DELETE_COPY(Slider)
-
-        /**
-         * Destructor.
-         */
-        virtual ~Slider()
-        { }
-
-        /**
-         * Sets the scale of the slider.
-         *
-         * @param scaleStart The start value of the scale.
-         * @param scaleEnd tThe end of value the scale.
-         * @see getScaleStart, getScaleEnd
-         */
-        void setScale(double scaleStart, double scaleEnd);
-
-        /**
-         * Gets the start value of the scale.
-         *
-         * @return The start value of the scale.
-         * @see setScaleStart, setScale
-         */
-        double getScaleStart() const;
-
-        /**
-         * Sets the start value of the scale.
-         *
-         * @param scaleStart The start value of the scale.
-         * @see getScaleStart
-         */
-        void setScaleStart(double scaleStart);
-
-        /**
-         * Gets the end value of the scale.
-         *
-         * @return The end value of the scale.
-         * @see setScaleEnd, setScale
-         */
-        double getScaleEnd() const;
-
-        /**
-         * Sets the end value of the scale.
-         *
-         * @param scaleEnd The end value of the scale.
-         * @see getScaleEnd
-         */
-        void setScaleEnd(double scaleEnd);
-
-        /**
-         * Gets the current selected value.
-         *
-         * @return The current selected value.
-         * @see setValue
-         */
-        double getValue() const;
-
-        /**
-         * Sets the current selected value.
-         *
-         * @param value The current selected value.
-         * @see getValue
-         */
-        void setValue(double value);
-
-        /**
-         * Sets the length of the marker.
-         *
-         * @param length The length for the marker.
-         * @see getMarkerLength
-         */
-        void setMarkerLength(int length);
-
-        /**
-         * Gets the length of the marker.
-         *
-         * @return The length of the marker.
-         * @see setMarkerLength
-         */
-        int getMarkerLength() const;
-
-        /**
-         * Sets the orientation of the slider. A slider can be drawn vertically
-         * or horizontally.
-         *
-         * @param orientation The orientation of the slider.
-         * @see getOrientation
-         */
-        void setOrientation(Orientation orientation);
-
-        /**
-         * Gets the orientation of the slider. A slider can be drawn vertically
-         * or horizontally.
-         *
-         * @return The orientation of the slider.
-         * @see setOrientation
-         */
-        Orientation getOrientation() const;
-
-        /**
-         * Sets the step length. The step length is used when the keys LEFT 
-         * and RIGHT are pressed to step in the scale.
-         *
-         * @param length The step length.
-         * @see getStepLength
-         */
-        void setStepLength(double length);
-
-        /**
-         * Gets the step length. The step length is used when the keys LEFT 
-         * and RIGHT are pressed to step in the scale.
-         *
-         * @return the step length.
-         * @see setStepLength
-         */
-        double getStepLength() const;
-
-    protected:
-        /**
-         * Converts a marker position to a value in the scale.
-         *
-         * @param position The position to convert.
-         * @return A scale value corresponding to the position.
-         * @see valueToMarkerPosition
-         */
-        virtual double markerPositionToValue(int position) const;
-
-        /**
-         * Converts a value to a marker position.
-         *
-         * @param value The value to convert.
-         * @return A marker position corresponding to the value.
-         * @see markerPositionToValue
-         */
-        virtual int valueToMarkerPosition(double value) const;
-
-        /**
-         * Gets the marker position of the current selected value.
-         *
-         * @return The marker position of the current selected value.
-         */
-        virtual int getMarkerPosition() const;
-
-        /**
-         * True if the slider is dragged, false otherwise.
-         */
-        bool mDragged;
-
-        /**
-         * Holds the current selected value.
-         */
-        double mValue;
-
-        /**
-         * Holds the step length. The step length is used when the keys LEFT 
-         * and RIGHT are pressed to step in the scale.
-         */
-        double mStepLength;
-
-        /**
-         * Holds the length of the marker.
-         */
-        int mMarkerLength;
-
-        /**
-         * Holds the start value of the scale.
-         */
-        double mScaleStart;
-
-        /**
-         * Holds the end value of the scale.
-         */
-        double mScaleEnd;
-
-        /**
-         * Holds the orientation of the slider. A slider can be drawn 
-         * vertically or horizontally.
-         */
-        Orientation mOrientation;
-    };
-}  // namespace gcn
-
-#endif  // end GCN_SLIDER_HPP
diff --git a/src/gui/widgets/slider.cpp b/src/gui/widgets/slider.cpp
index 7a9b38050..ab8cb97c2 100644
--- a/src/gui/widgets/slider.cpp
+++ b/src/gui/widgets/slider.cpp
@@ -20,6 +20,49 @@
  *  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.
+ */
+
 #include "gui/widgets/slider.h"
 
 #include "client.h"
@@ -47,7 +90,16 @@ static std::string const data[2] =
 
 Slider::Slider(Widget2 *const widget,
                const double scaleEnd) :
-    gcn::Slider(widget, scaleEnd),
+    Widget(widget),
+    MouseListener(),
+    KeyListener(),
+    mDragged(false),
+    mValue(0),
+    mStepLength(scaleEnd / 10),
+    mMarkerLength(10),
+    mScaleStart(0),
+    mScaleEnd(scaleEnd),
+    mOrientation(HORIZONTAL),
     mVertexes(new ImageCollection),
     mHasMouse(false),
     mRedraw(true)
@@ -58,7 +110,16 @@ Slider::Slider(Widget2 *const widget,
 Slider::Slider(Widget2 *const widget,
                const double scaleStart,
                const double scaleEnd) :
-    gcn::Slider(widget, scaleStart, scaleEnd),
+    Widget(widget),
+    MouseListener(),
+    KeyListener(),
+    mDragged(false),
+    mValue(scaleStart),
+    mStepLength((scaleEnd - scaleStart) / 10),
+    mMarkerLength(10),
+    mScaleStart(scaleStart),
+    mScaleEnd(scaleEnd),
+    mOrientation(HORIZONTAL),
     mVertexes(new ImageCollection),
     mHasMouse(false),
     mRedraw(true)
@@ -83,6 +144,12 @@ Slider::~Slider()
 
 void Slider::init()
 {
+    setFocusable(true);
+    setFrameSize(1);
+
+    addMouseListener(this);
+    addKeyListener(this);
+
     setFrameSize(0);
 
     // Load resources
@@ -385,3 +452,59 @@ void Slider::setValue2(const double value)
     setValue(value);
     mRedraw = true;
 }
+
+void Slider::setScale(const double scaleStart, const double scaleEnd)
+{
+    mScaleStart = scaleStart;
+    mScaleEnd = scaleEnd;
+}
+
+void Slider::setValue(const double value)
+{
+    if (value > getScaleEnd())
+    {
+        mValue = getScaleEnd();
+        return;
+    }
+
+    if (value < getScaleStart())
+    {
+        mValue = getScaleStart();
+        return;
+    }
+
+    mValue = value;
+}
+
+double Slider::markerPositionToValue(const int v) const
+{
+    int w;
+    if (getOrientation() == HORIZONTAL)
+        w = getWidth();
+    else
+        w = getHeight();
+
+    const double pos = v / (static_cast<double>(w) - getMarkerLength());
+    return (1.0 - pos) * getScaleStart() + pos * getScaleEnd();
+}
+
+int Slider::valueToMarkerPosition(const double value) const
+{
+    int v;
+    if (getOrientation() == HORIZONTAL)
+        v = getWidth();
+    else
+        v = getHeight();
+
+    const int w = static_cast<int>((v - getMarkerLength())
+            * (value  - getScaleStart())
+            / (getScaleEnd() - getScaleStart()));
+
+    if (w < 0)
+        return 0;
+
+    if (w > v - getMarkerLength())
+        return v - getMarkerLength();
+
+    return w;
+}
diff --git a/src/gui/widgets/slider.h b/src/gui/widgets/slider.h
index 2f21127d1..0b900e230 100644
--- a/src/gui/widgets/slider.h
+++ b/src/gui/widgets/slider.h
@@ -20,10 +20,56 @@
  *  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 GUI_WIDGETS_SLIDER_H
 #define GUI_WIDGETS_SLIDER_H
 
-#include "gui/base/widgets/slider.hpp"
+#include "listeners/keylistener.h"
+#include "listeners/mouselistener.h"
+
+#include "gui/widgets/widget.h"
 
 #include "localconsts.h"
 
@@ -34,10 +80,22 @@ class ImageCollection;
  *
  * \ingroup GUI
  */
-class Slider final : public gcn::Slider
+class Slider final : public Widget,
+                     public MouseListener,
+                     public KeyListener
 {
     public:
         /**
+         * Draw orientations for the slider. A slider can be drawn vertically or
+         * horizontally.
+         */
+        enum Orientation
+        {
+            HORIZONTAL = 0,
+            VERTICAL
+        };
+
+        /**
          * Constructor with scale start equal to 0.
          */
         explicit Slider(Widget2 *const widget,
@@ -89,6 +147,126 @@ class Slider final : public gcn::Slider
 
         void setValue2(const double value);
 
+        /**
+         * Sets the scale of the slider.
+         *
+         * @param scaleStart The start value of the scale.
+         * @param scaleEnd tThe end of value the scale.
+         * @see getScaleStart, getScaleEnd
+         */
+        void setScale(const double scaleStart, const double scaleEnd);
+
+        /**
+         * Gets the start value of the scale.
+         *
+         * @return The start value of the scale.
+         * @see setScaleStart, setScale
+         */
+        double getScaleStart() const
+        { return mScaleStart; }
+
+        /**
+         * Sets the start value of the scale.
+         *
+         * @param scaleStart The start value of the scale.
+         * @see getScaleStart
+         */
+        void setScaleStart(const double scaleStart)
+        { mScaleStart = scaleStart; }
+
+        /**
+         * Gets the end value of the scale.
+         *
+         * @return The end value of the scale.
+         * @see setScaleEnd, setScale
+         */
+        double getScaleEnd() const
+        { return mScaleEnd; }
+
+        /**
+         * Sets the end value of the scale.
+         *
+         * @param scaleEnd The end value of the scale.
+         * @see getScaleEnd
+         */
+        void setScaleEnd(const double scaleEnd)
+        { mScaleEnd = scaleEnd; }
+
+        /**
+         * Sets the current selected value.
+         *
+         * @param value The current selected value.
+         * @see getValue
+         */
+        void setValue(const double value);
+
+        /**
+         * Gets the current selected value.
+         *
+         * @return The current selected value.
+         * @see setValue
+         */
+        double getValue() const
+        { return mValue; }
+
+        /**
+         * Gets the length of the marker.
+         *
+         * @return The length of the marker.
+         * @see setMarkerLength
+         */
+        int getMarkerLength() const
+        { return mMarkerLength; }
+
+        /**
+         * Sets the length of the marker.
+         *
+         * @param length The length for the marker.
+         * @see getMarkerLength
+         */
+        void setMarkerLength(const int length)
+        { mMarkerLength = length; }
+
+        /**
+         * Sets the orientation of the slider. A slider can be drawn vertically
+         * or horizontally.
+         *
+         * @param orientation The orientation of the slider.
+         * @see getOrientation
+         */
+        void setOrientation(const Orientation orientation)
+        { mOrientation = orientation; }
+
+        /**
+         * Gets the orientation of the slider. A slider can be drawn vertically
+         * or horizontally.
+         *
+         * @return The orientation of the slider.
+         * @see setOrientation
+         */
+        Orientation getOrientation() const
+        { return mOrientation; }
+
+        /**
+         * Sets the step length. The step length is used when the keys LEFT
+         * and RIGHT are pressed to step in the scale.
+         *
+         * @param length The step length.
+         * @see getStepLength
+         */
+        void setStepLength(const double length)
+        { mStepLength = length; }
+
+        /**
+         * Gets the step length. The step length is used when the keys LEFT
+         * and RIGHT are pressed to step in the scale.
+         *
+         * @return the step length.
+         * @see setStepLength
+         */
+        double getStepLength() const
+        { return mStepLength; }
+
         enum SLIDER_ENUM
         {
             HSTART = 0,
@@ -108,9 +286,72 @@ class Slider final : public gcn::Slider
          */
         void init();
 
+        /**
+         * Converts a marker position to a value in the scale.
+         *
+         * @param position The position to convert.
+         * @return A scale value corresponding to the position.
+         * @see valueToMarkerPosition
+         */
+        double markerPositionToValue(const int position) const;
+
+        /**
+         * Converts a value to a marker position.
+         *
+         * @param value The value to convert.
+         * @return A marker position corresponding to the value.
+         * @see markerPositionToValue
+         */
+        int valueToMarkerPosition(const double value) const;
+
+        /**
+         * Gets the marker position of the current selected value.
+         *
+         * @return The marker position of the current selected value.
+         */
+        int getMarkerPosition() const
+        { return valueToMarkerPosition(getValue()); }
+
         static ImageRect buttons[2];
         static float mAlpha;
         static int mInstances;
+        /**
+         * True if the slider is dragged, false otherwise.
+         */
+        bool mDragged;
+
+        /**
+         * Holds the current selected value.
+         */
+        double mValue;
+
+        /**
+         * Holds the step length. The step length is used when the keys LEFT
+         * and RIGHT are pressed to step in the scale.
+         */
+        double mStepLength;
+
+        /**
+         * Holds the length of the marker.
+         */
+        int mMarkerLength;
+
+        /**
+         * Holds the start value of the scale.
+         */
+        double mScaleStart;
+
+        /**
+         * Holds the end value of the scale.
+         */
+        double mScaleEnd;
+
+        /**
+         * Holds the orientation of the slider. A slider can be drawn
+         * vertically or horizontally.
+         */
+        Orientation mOrientation;
+
         ImageCollection *mVertexes;
         bool mHasMouse;
         bool mRedraw;