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