> >> I'm trying to understand how wxLua handles its event mechanism. I can
> see that
> >> for every call to Connect(), wxLua will create a new object of
> wxLuaEventCallback.
> >> But I don't see where these get deleted.
>
>
They are deleted by the wxEvtHandler when Connect() is called.
http://sourceforge.net/p/wxlua/svn/HEAD/tree/trunk/wxLua/modules/wxlua/wxlcallb.cpp#l93
Note the comment about the userdata here:
http://docs.wxwidgets.org/trunk/classwx_evt_handler.html#a78719e8b82c9f9c6e4056b3449df1943
Separately, wxluaR_unref() is used to unref the Lua event handler functions
that are called when a wxEvent is handled. You see two calls to it, one for
normal event handling and a separate one for window destruction, this is to
be expected.
Regards,
John
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