[plt-scheme] Is there still no scrollable panel available?

At Thu, 28 Jan 2010 21:41:03 +0100 (CET), Ivanyi Peter wrote:
>   Matthew Flatt <mflatt at cs.utah.edu>, ezt írta: 
>  
> > But a further rewrite is in progress, and it will support 
> > scrollable
> > panels. It's difficult for me to say when the rewrite will be 
> > ready; I
> > recently suggested March, but now I think May is more realistic.
> 
> What is the plan with this rewrite? Will it be fully or partly
> backward compatible?

Some incompatibility seems inevitable, but most programs should work
unmodified. We won't know whether compatibility will be 90% or 99%
until we get further along.

> Will it use one GUI toolkit or some 
> independent code with plugable interface? If one toolkit
> which one? Maybe it is only the modification of the current one,
> maybe upgraded from current wxwindows?

Cocoa, Gtk, and possibly Win32 (or maybe just using Gtk under Windows).
Qt may be an option, eventually.