TMDClientData.h

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#ifndef __TMDCLIENTDATA_H__
#define __TMDCLIENTDATA_H__

#include <boost/shared_ptr.hpp>
#include <wx/clntdata.h>

template<typename T> class TMDClientData : public wxClientData
{
public:
    TMDClientData(T * obj) : m_pObj(obj){}
    T * get(void) {
        return m_pObj.get();
    }
    T operator*() {
        return *m_pObj;
    }
protected:
    boost::shared_ptr<T> m_pObj;
};

// generate typedefs to make code that uses this class easier
#define DECLARE_CLIENT_DATA(c) \
    typedef TMDClientData< c > c##CD; \
    typedef c##CD * c##CDPtr

// get a pointer to the original client data from a wxControlWithItems
#define GET_FROM_CONTROL( type, control, index ) \
    dynamic_cast< type##CDPtr >( control->GetClientObject(index))->get()

#endif