XtermProgressBar.h

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#ifndef GW_XTERMPROGRESSBAR_H
#define GW_XTERMPROGRESSBAR_H

#ifndef ROOT_Rtypes
#include "Rtypes.h"
#endif

namespace Gw {

class  XtermProgressBar 
{
private:        
        UInt_t fMaxSize;
        UInt_t fCurrentSize;

        Double_t fMin;
        Double_t fMax;
        
        Double_t fCurrent;

public:
        XtermProgressBar(Double_t min, Double_t max);
        virtual ~XtermProgressBar();
        
        virtual void SetRange(Double_t min, Double_t max)
        {
                fMin = min; fMax = max;
        }
        
        virtual void UpdateCurrentStatus();
        
        virtual void Start() ;
        
        virtual Double_t GetCurrentPosition() const 
        { 
                return fCurrent; 
        }
        
        virtual bool IsFinished() const { return (fCurrent > fMax); }   
        
        virtual XtermProgressBar operator++() 
        { fCurrent++; if ( fMaxSize*(fCurrent-fMin)/(fMax-fMin) > fCurrentSize+1 ) { fCurrentSize++; UpdateCurrentStatus();} return *this; }
        
        virtual XtermProgressBar operator++(int)
        { fCurrent++; if ( fMaxSize*(fCurrent-fMin)/(fMax-fMin) > fCurrentSize+1 ) { fCurrentSize++; UpdateCurrentStatus();} return *this; }    
        
        virtual XtermProgressBar operator+=( int i )
        { fCurrent+=i; if ( fMaxSize*(fCurrent-fMin)/(fMax-fMin) > fCurrentSize+1 ) { fCurrentSize++; UpdateCurrentStatus();} return *this; }
};

}

#endif