[racket] scrolling panels

From: Carl Eastlund (cce at ccs.neu.edu)
Date: Wed Jul 13 08:05:30 EDT 2011

On Wed, Jul 13, 2011 at 7:50 AM, Matthew Flatt <mflatt at cs.utah.edu> wrote:
> At Wed, 13 Jul 2011 13:20:57 +0400, "Yuriy Kovalev" wrote:
>> In release notes for v5.1.1 written: "`racket/gui' library now supports
>> scrolling panels". Despite this, I can't find in manual, how to use it. There
>> are scrolls for canvas, but not for panels. Where I can see this
>> information?
> The `panel%' class and subclasses accept 'hscroll and 'vscroll styles.
> See the next-to-last paragraph at
>  http://docs.racket-lang.org/gui/panel_.html?q=panel%25
> for more information.

It appears that panels can only specify whether scrollbars are present
or absent, while canvasses have a lot more control over what
scrollbars do.  Is there any particular barrier to adding the missing
functionality to panels?


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