/*
 * Copyright 2006, Haiku.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Stephan Aßmus <superstippi@gmx.de>
 *              Ingo Weinhold <bonefish@cs.tu-berlin.de>
 */

#ifndef SLIDER_VIEW_H
#define SLIDER_VIEW_H

#include <String.h>

#include "PopupView.h"

class BFont;
class PopupSlider;

class SliderView : public PopupView {
 public:
                                                                SliderView(PopupSlider* target,
                                                                                   int32 min,
                                                                                   int32 max,
                                                                                   int32 value,
                                                                                   const char* formatString);
        virtual                                         ~SliderView();

                                                                // MView
        virtual minimax                         layoutprefs();
        virtual BRect                           layout(BRect frame);

                                                                // BView
        virtual void                            Draw(BRect updateRect);
        virtual void                            MouseMoved(BPoint where, uint32 transit,
                                                                                   const BMessage* message);
        virtual void                            MouseUp(BPoint where);

                                                                // BHandler
        virtual void                            MessageReceived(BMessage* message);

                                                                // SliderView
                        void                            SetValue(int32 value);
                        int32                           Value() const;
                        void                            SetMin(int32 min);
                        int32                           Min() const;
                        void                            SetMax(int32 max);
                        int32                           Max() const;

                        void                            SetFormatString(const char* formatString);
                        const char*                     FormatString() const;

                        void                            SetDragOffset(float offset);

                        float                           ButtonOffset();

        static  void                            GetSliderButtonDimensions(int32 max,
                                                                                                                  const char* formatString,
                                                                                                                  BFont* font,
                                                                                                                  float& width,
                                                                                                                  float& height);
        static  void                            DrawSliderButton(BView* into, BRect frame,
                                                                                                 int32 value,
                                                                                                 const char* formatString,
                                                                                                 bool enabled);


 private:
                        int32                           _ValueAt(float h);

                        PopupSlider*            fTarget;
                        BString                         fFormatString;

                        int32                           fMin;
                        int32                           fMax;
                        int32                           fValue;

                        BRect                           fButtonRect;
                        float                           fDragOffset;
};


#endif  // SLIDER_VIEW_H