uibody.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H. Lammertink
 Date:          16/05/2001
________________________________________________________________________

-*/

#include "uibasemod.h"
#include "uiparent.h"

mFDQtclass(QWidget)

mExpClass(uiBase) uiBody
{
public:
                                uiBody()                                {}
    virtual                     ~uiBody()                               {}

    virtual void                finalise()                              {}
    virtual bool                finalised() const       { return false; }
    virtual void                clear()                                 {}
    virtual void                fontchanged()                           {}


    inline const mQtclass(QWidget*)  qwidget() const
                                     { return qwidget_();}
    inline mQtclass(QWidget*) qwidget()
                            {return const_cast<mQtclass(QWidget*)>(qwidget_());}

protected:
    virtual const mQtclass(QWidget*)    qwidget_() const                =0;

};


template <class C, class T>
mClass(uiBase) uiBodyImpl : public uiBody
{
public:
                        uiBodyImpl( C& hndle, uiParent* parnt, T& qthng ) 
                            : uiBody()
                            , qthing_(&qthng)
                            , handle_(hndle)
                            {}



    T*                  qthing()                        { return qthing_; }
    const T*            qthing() const                  { return qthing_; }

    inline const C&     handle()                        { return handle_; }

protected:
                        ~uiBodyImpl()                   { delete qthing_; }

    virtual const mQtclass(QWidget*) qwidget_() const           
                           {return dynamic_cast<mQtclass(QWidget*)>( qthing_ );}

    T*                  qthing_;

private:

    C&                  handle_;

};