/***************************************************************************
 *   Copyright (c) Stefan Tröger          (stefantroeger@gmx.net) 2014     *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 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 Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/


#ifndef GUI_VIEW3DVIEWERPY_H
#define GUI_VIEW3DVIEWERPY_H

#include <Base/PyObjectBase.h>
#include <CXX/Extensions.hxx>
#include <list>

namespace Gui {

class View3DInventorViewer;

/**
 * @brief Python interface for View3DInventorViewer
 * 
 * The interface does not offer all methods the c++ View3DInventorViewer counterpart has, respectivly
 * also not everything the QuarterWidget and the SoQtQuarterAdaptor offers. It only exposes 
 * methods with additioanl functionality in comparison to the View3DInventorPy class. Everything that
 * can be done from there has no interface here. 
 */
class View3DInventorViewerPy : public Py::PythonExtension<View3DInventorViewerPy>
{
public:
    static void init_type(void);    // announce properties and methods

    View3DInventorViewerPy(View3DInventorViewer *vi);
    ~View3DInventorViewerPy();

    Py::Object repr();
    Py::Object getattr(const char *);
    int setattr(const char *, const Py::Object &);
    
    //exposed methods
    Py::Object getSoEventManager(const Py::Tuple&);
    Py::Object getSoRenderManager(const Py::Tuple&);
    
    Py::Object seekToPoint(const Py::Tuple&);
    Py::Object setFocalDistance(const Py::Tuple& args);
    Py::Object getFocalDistance(const Py::Tuple& args);    
    

private:
    private:
    typedef PyObject* (*method_varargs_handler)(PyObject *_self, PyObject *_args);
    static method_varargs_handler pycxx_handler;
    static PyObject *method_varargs_ext_handler(PyObject *_self, PyObject *_args);
    
private:
    std::list<PyObject*> callbacks;
    View3DInventorViewer* _viewer;
    friend class View3DInventorViewer;
};

} // namespace Gui

#endif //GUI_VIEW3DPY_H