/Users/airy/Sources/augui/AUGUIFramework/Controls/TTimeLineControl.h

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/*
 *  TTimeLineControl.h
 *  Automat
 *
 *  Created by Stefan Kirch on Sun Jun 06 2004.
 *  Copyright (c) 2004 Stefan Kirch. All rights reserved.
 *
 */

// -----------------------------------------------------------------------------

#ifndef TTimeLineControl_H_
#define TTimeLineControl_H_

#include "TViewNoCompositingCompatible.h"

// -----------------------------------------------------------------------------

enum
{       
    kTlc_SelectSyncOffset       = 0,
    kTlc_SelectMarkerLeft       = 1,
    kTlc_SelectMarkerRight  = 2,
    kTlc_SelectLoop                     = 3,
    kTlc_SelectPoint            = 4,
        kTlc_SelectNone                 = 5,
        
        kTlc_NumberOfPresets    = 16,
        kTlc_NumberOfPoints             = 64
};

typedef struct TLPoint
{
        float   time;
        float   value;
}
TLPoint;

typedef struct TLData
{
        float   syncOffsetTime;
        float   leftMarkerTime;
        float   rightMarkerTime;
        
        int             syncOffsetIndex;
        int             leftMarkerIndex;
        int             rightMarkerIndex;

        float   markerDelta;
        
        int             numOfActivePoints;
        int             activeIndex;
        
    TLPoint points[kTlc_NumberOfPoints];
        float   timeDelta[kTlc_NumberOfPoints - 1];
}
TLData;

// -----------------------------------------------------------------------------

class TTimeLineControl:public TViewNoCompositingCompatible
{
        AUGUIDefineControl(TTimeLineControl, TViewNoCompositingCompatible, "timeline");

public:
        static  const                   OSType copyData = 'cpyD';
        static  void                    initTLData(TLData* data);
        static  void                    updateTLData(TLData* data);

protected:

        TTimeLineControl(HIViewRef inControl);
    virtual ~TTimeLineControl();
        
    virtual ControlKind         GetKind();
        
        virtual bool                    UseNonblockingTracking(){return true;}
        
    virtual OSStatus            Initialize(TCarbonEvent& inEvent);
        
        virtual OSStatus                StartTracking(TCarbonEvent&inEvent, HIPoint& from);
    virtual OSStatus            StillTracking(TCarbonEvent&inEvent, HIPoint& from);
        
    virtual void                        DrawStaticBackground(RgnHandle inLimitRgn, CGContextRef inContext, bool inCompositing);
    virtual void                        CompatibleDraw(RgnHandle inLimitRgn, CGContextRef inContext, bool inCompositing);
        
    virtual void                        TitleChanged();
    virtual void                        ValueChanged();
        
        virtual OSStatus                SetData(OSType inTag, ControlPartCode inPart, Size inSize, const void* inPtr);
        virtual OSStatus                GetData(OSType inTag, ControlPartCode inPart, Size inSize, Size* outSize, void* inPtr);

private:
        
        void                                    printTLData();
        
        CGImageRef                              mBackImage;
        float                                   mX, mY, mMemo, mTopValue, mTopNormalize;
        int                                             mMode;
        
        float                                   mLoopHandleOffset, mLoopHandleHeight, mLoopAreaHeight;
        float                                   mLineWidth, mRed, mGreen, mBlue, mAlpha;
        
        TLData                                  mData;
};

#endif

// -----------------------------------------------------------------------------

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