Path: utzoo!attcan!uunet!cs.utexas.edu!tut.cis.ohio-state.edu!bloom-beacon!ATHENA.MIT.EDU!swick
From: swick@ATHENA.MIT.EDU (Ralph R. Swick)
Newsgroups: comp.windows.x
Subject: Re: question: XToolkit - callbacks
Message-ID: <8906161505.AA20565@LYRE.MIT.EDU>
Date: 16 Jun 89 15:05:10 GMT
References: <599@tuminfo1.lan.informatik.tu-muenchen.dbp.de>
Sender: daemon@bloom-beacon.MIT.EDU
Organization: DEC/MIT Project Athena
Lines: 12

> static void ButtonPress(w, cl_data, ca_data)
>    Widget	w;
>    caddr_t	cl_data, ca_data;
> {
> 	XtCallCallbacks(XtParent(w), XtNcallback, cl_data);
> }
> 
> Is this correct, or is there a better solution, to call "my" callback
> list.

I don't think you can do any better than this and still hide the
implementation of 'mywidget'.