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Re: Gtk scrollbar: thumb too short

From: Stefan Monnier
Subject: Re: Gtk scrollbar: thumb too short
Date: Fri, 28 Mar 2003 08:35:13 -0500

>    Stefan Monnier seemed to think that invisible text would make
>    computing the end scroll position of the scrollbar very hard. 
>    That implied to me that Emacs computed scrollbars based on total 
>    characters not visible characters; but I didn't research the
>    point.

Yes.  The behavior of the scrollbar in the presence of large chunks of
invisible text is definitely less than perfect.  Same thing with
large images, by the way.  Basically, the scrollbar should be based on
"number of vertical pixels" rather than "number of chars", but
given the current way Emacs is written, it's basically impossible
to do.


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