#!/usr/bin/env python

import gi
import ctypes
from ctypes import *

libgobject = CDLL('libgobject-2.0.so.0')

class _PyGObject_Functions(ctypes.Structure):
   _fields_ = [
       ('register_class',
        ctypes.PYFUNCTYPE(ctypes.c_void_p, ctypes.c_char_p,
                          ctypes.c_int, ctypes.py_object,
                          ctypes.py_object)),
       ('register_wrapper',
        ctypes.PYFUNCTYPE(ctypes.c_void_p, ctypes.py_object)),
       ('lookup_class',
        ctypes.PYFUNCTYPE(ctypes.py_object, ctypes.c_int)),
       ('newgobj',
        ctypes.PYFUNCTYPE(ctypes.py_object, ctypes.c_void_p)),
       ]

class PyGObjectCPAI(object):
    def __init__(self):
        PyCObject_AsVoidPtr = ctypes.pythonapi.PyCObject_AsVoidPtr
        PyCObject_AsVoidPtr.restype = ctypes.c_void_p
        PyCObject_AsVoidPtr.argtypes = [ctypes.py_object]
        addr = PyCObject_AsVoidPtr(ctypes.py_object(
           gi._gobject._PyGObject_API))
        self._api = _PyGObject_Functions.from_address(addr)

    def pygobject_new(self, addr):
        return self._api.newgobj(addr)

def get_widget(ptr):
    return PyGObjectCPAI().pygobject_new(ptr)