uirubberband.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Nanne Hemstra
 Date:          November 2006
________________________________________________________________________

-*/

#include "uibasemod.h"
#include "uigeom.h"

mFDQtclass(QMouseEvent)
mFDQtclass(QRubberBand)
mFDQtclass(QWidget)

mExpClass(uiBase) uiRubberBand
{
public:
                        uiRubberBand(mQtclass(QWidget*) p)
                            : parent_(p)
                            , qrubberband_(0)
                            , aspectratio_(mUdf(float))    {}
                        ~uiRubberBand();

    void                start(mQtclass(QMouseEvent*));
    void                extend(mQtclass(QMouseEvent*));
    void                stop(mQtclass(QMouseEvent*));

    uiPoint             origin() const          { return origin_; }
    uiRect              area() const            { return area_; }

    void                setAspectRatio( float ar )      { aspectratio_ = ar; }
    float               getAspectRatio() const          { return aspectratio_; }

protected:

    mQtclass(QRubberBand*)      qrubberband_;
    mQtclass(QWidget*)          parent_;

    uiPoint             origin_;
    uiRect              area_;

    float               aspectratio_;

    void                handleEv(mQtclass(QMouseEvent*),bool);
};