libxfcegui4's xinerama wrapper

[Olivier FOURDAN]

Well, in fact, I think xfwm4 could use GdkScreen API. I'll try later tonite and if it works as expected, I'll drop xinerama code off xfwm4.

Cheers,
Olivier.

> Hi,
> 
> > I was wondering, how about using the GdkScreen API? It is available 
> > since gtk 2.2, so we could use it for Xfce 4.2. Are there any problems 
> > with that?
> 
> For general purpose, it's ok, but I'll keep my API for xfwm4. I believe my implementation is better for my needs.
>