qtmetapointer.h

//------------------------------------------------------------------------------
// qtmetapointer.h
//------------------------------------------------------------------------------
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301  USA
//------------------------------------------------------------------------------
// Copyright (C) 2010 "Zalewa" <zalewapl@gmail.com>
//------------------------------------------------------------------------------
#ifndef __QTMETAPOINTER_H__
#define __QTMETAPOINTER_H__

#include <Qt>

class QtMetaPointer
{
private:
        void copy(const QtMetaPointer &copyin)
        {
                ptr = copyin.ptr;
        }

        void *ptr;

public:
        QtMetaPointer() {}
        QtMetaPointer(void *ptr)
        {
                this->ptr = ptr;
        }

        QtMetaPointer(const QtMetaPointer &copyin)
        {
                copy(copyin);
        }

        QtMetaPointer &operator=(const QtMetaPointer &rhs)
        {
                if (this != &rhs)
                        copy(rhs);

                return *this;
        }

        QtMetaPointer &operator=(void *rhs)
        {
                this->ptr = rhs;
                return *this;
        }

        ~QtMetaPointer() {}

        friend bool operator==(const void *fPtr, const QtMetaPointer &ref)
        {
                return fPtr == ref.ptr;
        }

        void *operator->()
        {
                return ptr;
        }

        operator void *()
        {
                return ptr;
        }
        operator const void *() const { return ptr; }
};

Q_DECLARE_METATYPE(QtMetaPointer)

#endif