uihistogramsel.h

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#pragma once
 
/*+
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Raman Singh
 Date:          May 2018
________________________________________________________________________
 
-*/
 
#include "uitoolsmod.h"
#include "uigroup.h"
#include "uihistogramdisplay.h"
 
 
mExpClass(uiTools) uiHistogramSel : public uiGroup
{
public:
                                uiHistogramSel(uiParent*,
                                               const uiHistogramDisplay::Setup&,
                                               int an_id=0);
                                ~uiHistogramSel();
 
    int                         ID() const              { return id_; }
    void                        setID( int id )         { id_ = id; }
 
 
    enum SliderTextPolicy       { Always, OnMove, Never };
 
    void                        setSliderTextPolicy(SliderTextPolicy);
    SliderTextPolicy            sliderTextPolicy() const;
 
    void                        setEmpty();
    bool                        setDataPackID(DataPack::ID,DataPackMgr::ID,
                                              int version);
    void                        setData(const Array2D<float>*);
    void                        setData(const float*,int sz);
    void                        setMarkValue(float,bool forx);
 
    const Interval<float>&      getDataRange() const    { return datarg_; }
    void                        setDataRange(const Interval<float>&);
    const Interval<float>&      getSelRange() const     { return cliprg_; }
    void                        setSelRange(const Interval<float>&);
 
    uiHistogramDisplay&         getDisplay()    { return *histogramdisp_; }
 
    Notifier<uiHistogramSel>    rangeChanged;
 
protected:
 
    int                         id_;
    SliderTextPolicy            slidertextpol_;
    uiHistogramDisplay*         histogramdisp_;
    uiAxisHandler*              xax_;
 
    uiLineItem*                 minhandle_;
    uiLineItem*                 maxhandle_;
    uiTextItem*                 minvaltext_;
    uiTextItem*                 maxvaltext_;
 
    Interval<float>             datarg_;
    Interval<float>             cliprg_;
    int                         startpix_;
    int                         stoppix_;
 
    bool                        mousedown_;
 
    virtual void                drawAgain();
    virtual void                drawLines();
    virtual void                drawText();
    virtual void                drawPixmaps()   {}
    virtual void                useClipRange()  {}
    virtual void                makeSymmetricalIfNeeded(bool)   {}
 
    void                        init();
    bool                        changeLinePos(bool pressedonly=false);
 
    void                        mousePressed(CallBacker*);
    void                        mouseMoved(CallBacker*);
    void                        mouseReleased(CallBacker*);
 
    void                        histogramResized(CallBacker*);
    void                        histDRChanged(CallBacker*);
};