Method staticCallback

choc/gui/choc_MessageLoop.h:203–207

    }

    static gboolean staticCallback (gpointer context)
    {
        auto state = static_cast<Pimpl*> (context)->sharedState; // keep a local shared_ptr
        return state->handleCallback();
    }

    struct SharedState  : public std::enable_shared_from_this<SharedState>
    {