Phoenix/src/userdata.sip

//--------------------------------------------------------------------------
// Name:        userdata.sip
// Purpose:     
//
// Author:      Kevin Ollivier
//
// Created:     06-Sept-2011
// Copyright:   (c) 2013 by Wide Open Technologies
// Licence:     wxWindows license
//--------------------------------------------------------------------------


%ModuleHeaderCode
// A wxObject object that holds a reference to a Python object
class wxPyUserData : public wxPyUserDataHelper<wxObject>
{
public:
    wxPyUserData(PyObject* obj = NULL)
        : wxPyUserDataHelper<wxObject>(obj)
    { }
};

%End


// We'll use the wxPyUserData defined above wherever a wxObject parameter or 
// return value is specified in the API.  This MappedType code will convert to/from a
// PyObject so it will be totally transparent to the programmer and from their 
// perspective any python object is being stored as the client data.
%MappedType wxPyUserData
{
    %ConvertToTypeCode
        // Code to test a PyObject for compatibility
        if (!sipIsErr) {
            return TRUE; // any python object is valid
        }
        
        // Code to create a new wxPyUserData from the PyObject
        wxPyUserData* data =  new wxPyUserData(sipPy);
        *sipCppPtr = data;
        return sipGetState(sipTransferObj);
    %End

         
    %ConvertFromTypeCode
        // Code to convert a wxPyUserData back to the PyObject.
        PyObject* obj;
        obj = wxPyUserData::SafeGetData(static_cast<wxPyUserData*>(sipCpp));
        return obj;
    %End
};