[ros-kernel] Screen switching

[Ge van Geldorp]

> From: Shadow Flare
> 
> >Log message:
> >	Switch screen to graphics mode when the first window or 
> >   DC is created and switch back to text mode when the last
> >   app which created a window or DC terminates
> 
> I've heard that this is even done for windows that do not 
> have the flag set for them to be visible.  Shouldn't it only
> do it for visible windows?

Yes, I think you have a point here.

> Does not switching to graphics mode for invisible windows cause 
> problems if they are changed to being visible?

It does, but those problems can be overcome.

Added to bugzilla as #88

Gé van Geldorp.