[xmonad] Ignore single window for focus follows mouse?

[Norbert Zeh]

wagnerdm at seas.upenn.edu [2011.12.05 0948 -0500]:
> Quoting Joseph Garvin <joseph.h.garvin at gmail.com>:
> 
> >The FAQ mentions you can set focusFollowsMouse to false to disable it
> >completely, but I'd like to disable focus following the mouse only when
> >moving the mouse over a particular window (the pointer going over any other
> >window should still cause that window to get focus). Is there an easy way
> >to do that?
> 
> Maybe "followOnlyIf" from
> http://xmonad.org/xmonad-docs/xmonad-contrib/XMonad-Layout-MagicFocus.html
> will help you.

Slightly OT: I was reading the original question and thought "well, this is
really something esoteric that probably requires a homebrewed solution".  So it
turns out I was wrong.  Wow, I'm impressed!

N.