Date: Thu, 14 Dec 2000 12:15:01 +0100
To: Jacques Garrigue <garrigue at kurims.kyoto-u.ac.jp>
Cc: luther at dpt-info.u-strasbg.fr, lablgtk at kaba.or.jp
Subject: Re: some lablgtk/lablGL questions ...
Message-ID: <20001214121501.A3244 at lambda.u-strasbg.fr>
References: <20001211163431.A15168 at lambda.u-strasbg.fr> <20001212104754R.garrigue at kurims.kyoto-u.ac.jp> <20001213133913.A1582 at lambda.u-strasbg.fr> <20001213231654N.garrigue at kurims.kyoto-u.ac.jp>
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In-Reply-To: <20001213231654N.garrigue at kurims.kyoto-u.ac.jp>; from garrigue at kurims.kyoto-u.ac.jp on Wed, Dec 13, 2000 at 11:16:54PM +0900
From: Sven LUTHER <luther at dpt-info.u-strasbg.fr>
Sender: Sven LUTHER <luther at lambda.u-strasbg.fr>

On Wed, Dec 13, 2000 at 11:16:54PM +0900, Jacques Garrigue wrote:
> From: Sven LUTHER <luther at dpt-info.u-strasbg.fr>
> 
> > Another set of questions/remarks :
> > 
> >  * How do i use polymorphic variants that are inside of modules without
> >    opening them ? both Module_A.`Var_A and `Module_A.Var_A don't work.
> 
> That's what's nice about polymorphic variants: no need to open a
> module, or use a dot notation.
> `Var_A is just `Var_A, independently of the type in which it is used.

mmm, forgot about that, ...

> >  * Why are the coordinates of the button_press event floats and not ints ? 
> 
> Because this is the way it is defined in gdk (see include/gdk/gdktypes.h).
> I suppose some pointing device might return non-integer values ?

Ok, i didn't know that.

> >  * The clist#get_row_column has problem, the column coordinate is always 0,
> >    and the row coordinate seems to be divided by 2 (well i hadn't time to
> >    check it, but seems like an additional Int_Val/Val_Int was used. Maybe the
> >    float->int conversion i was forced to use caused this problem also.)
> 
> Right, division by 2 is the classical consequence of forgetting a Val_int.
> This also explains the problem if there are only two columns.
> Here is a checked patch.

Yes i looked at it this morning, and did the same change as is in your patch
(should have looked yesterday).

Friendly,

Sven Luther