[Haskell-cafe] Point and link

[Andrew Coppin]

Claude Heiland-Allen wrote:
> A bit off-topic for this list, but seeing as I'm replying anyway, I've 
> done something like that with SVG and Javascript:
>
> http://www.blurty.com/users/claudiusmaximus/day/2007/10/03#419

Woah! Damn, that must have taken quite a while...

> I imagine (having never used it) Gtk has similar ways to bind "event 
> listeners" to "graphical elements" to implement drag and drop type 
> stuff, and it will most likely be much less error-prone than 
> Javascript (I still haven't got the drag and drop right in Graphgrow...).

I imagine it would be possible to do this with Gtk2hs - in the same way 
that it's "possible" to evaluate any computable function in any 
Turing-complete programming language. It doesn't look especially 
"simple" or "easy" though. Does anybody know of a better way?