slider.h

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 * Copyright (c) 2004, 2005 darkbits                        Js_./
 * Per Larsson a.k.a finalman                          _RqZ{a<^_aa
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#ifndef GCN_SLIDER_HPP
#define GCN_SLIDER_HPP
 
#include "guichan/platform.h"
#include "guichan/widget.h"
 
namespace gcn
{
    class GCN_CORE_DECLSPEC Slider :
        public Widget,
        public MouseListener,
        public KeyListener
    {
    public:
 
        Slider(double scaleEnd = 1.0);
 
        Slider(double scaleStart, double scaleEnd);
 
        virtual ~Slider() { }
 
        virtual void setScale(double scaleStart, double scaleEnd);
 
        virtual double getScaleStart() const;
 
        virtual void setScaleStart(double scaleStart);
 
        virtual double getScaleEnd() const;
 
        virtual void setScaleEnd(double scaleEnd);
 
        virtual double getValue() const;
 
        virtual void setValue(double value);
 
        virtual void drawMarker(gcn::Graphics* graphics);
 
        virtual void setMarkerLength(int length);
 
        virtual int getMarkerLength() const;
 
        virtual void setOrientation(unsigned int orientation);
 
        virtual unsigned int getOrientation() const;
 
        virtual void setStepLength(double length);
 
        virtual double getStepLength() const;
 
 
        // Inherited from Widget
 
        virtual void draw(gcn::Graphics* graphics);
 
        virtual void drawBorder(gcn::Graphics* graphics);
 
        virtual void lostFocus();
 
 
        // Inherited from MouseListener.
 
        virtual void mousePress(int x, int y, int button);
 
        virtual void mouseRelease(int x, int y, int button);
 
        virtual void mouseMotion(int x, int y);
 
 
        // Inherited from KeyListener
 
        virtual bool keyPress(const Key& key);
 
        enum
        {
            HORIZONTAL = 0,
            VERTICAL
        };
 
    protected:
        virtual double markerPositionToValue(int v) const;
 
        virtual int valueToMarkerPosition(double value) const;
 
        virtual int getMarkerPosition() const;
 
        bool mMouseDrag;
        double mValue;
        double mStepLength;
        int mMarkerLength;
        double mScaleStart;
        double mScaleEnd;
        unsigned int mOrientation;
    };
}
 
#endif // end GCN_SLIDER_HPP