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
 RCS:           $Id$
________________________________________________________________________
 
-*/
 
#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);
};