Add guichan files to automake

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diff --git a/src/guichan/widgets/slider.hpp b/src/guichan/widgets/slider.hpp
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+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * 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 "guichan/keylistener.hpp"
+#include "guichan/mouselistener.hpp"
+#include "guichan/platform.hpp"
+#include "guichan/widget.hpp"
+
+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 GCN_CORE_DECLSPEC 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.
+         */
+        Slider(double scaleEnd = 1.0);
+
+        /**
+         * Constructor.
+         *
+         * @param scaleStart The start value of the slider scale.
+         * @param scaleEnd The end value of the slider scale.
+         */
+        Slider(double scaleStart, double scaleEnd);
+
+        /**
+         * 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;
+
+
+        // Inherited from Widget
+
+        virtual void draw(Graphics* graphics);
+
+
+        // Inherited from MouseListener.
+
+        virtual void mousePressed(MouseEvent& mouseEvent);
+
+        virtual void mouseDragged(MouseEvent& mouseEvent);
+
+        virtual void mouseWheelMovedUp(MouseEvent& mouseEvent);
+
+        virtual void mouseWheelMovedDown(MouseEvent& mouseEvent);
+
+
+        // Inherited from KeyListener
+
+        virtual void keyPressed(KeyEvent& keyEvent);
+
+    protected:
+        /**
+         * Draws the marker.
+         *
+         * @param graphics A graphics object to draw with.
+         */
+        virtual void drawMarker(gcn::Graphics* graphics);
+
+        /**
+         * 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;
+    };
+}
+
+#endif // end GCN_SLIDER_HPP