From: tmoran@acm.org
Subject: Re: How to get the mouse position with JEWL?
Date: Thu, 21 Oct 2010 04:08:18 +0000 (UTC)
Date: 2010-10-21T04:08:18+00:00 [thread overview]
Message-ID: <i9oebh$373$1@speranza.aioe.org> (raw)
In-Reply-To: i9oal3$7nr$1@tornado.tornevall.net
> I'd add
>
> pragma Convention (C, Points);
>
> just to be safe.
Yes, I should have specified the layout.
Personally I'd use a record representation clause that says exactly what I
need. Saying to the Ada compiler "use the 'C' convention - and I hope you
are thinking of the same C compiler I am", always seems to me less certain
of getting the correct result.
> (Point : in Points)
>
> should work just as well, and has the advantages that
> you don't need "aliased"
>
> > ...
> > if getcursorpos(current'access) = 0 then
>
> and you don't need 'access.
>
> It is a little confusing because an "in" parameter is modified.
I'm inclined to be straightforward unless there's some awfully good
reason for being devious.
next prev parent reply other threads:[~2010-10-21 4:08 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-20 9:04 How to get the mouse position with JEWL? tolkamp
2010-10-20 11:42 ` Manuel Collado
2010-10-20 17:20 ` tolkamp
2010-10-20 22:22 ` Manuel Collado
2010-10-20 22:51 ` tmoran
2010-10-21 2:59 ` Jeffrey Carter
2010-10-21 4:08 ` tmoran [this message]
2010-10-21 7:31 ` Dmitry A. Kazakov
2010-10-21 19:10 ` tmoran
2010-10-21 19:38 ` Dmitry A. Kazakov
2010-10-22 0:39 ` tmoran
2010-10-22 7:35 ` Dmitry A. Kazakov
2010-10-22 10:10 ` Frank J. Lhota
2010-10-21 15:23 ` tolkamp
2010-10-21 16:47 ` Georg Bauhaus
2010-10-21 17:09 ` tolkamp
2010-10-21 17:24 ` Niklas Holsti
2010-10-21 20:34 ` tolkamp
2010-10-22 13:55 ` tolkamp
2010-10-22 22:15 ` Manuel Collado
2010-10-23 15:26 ` tolkamp
2010-10-21 21:50 ` Manuel Collado
2010-10-22 10:40 ` tolkamp
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox