[Xmonad] darcs patch: first shot at a floating layer

[Donald Bruce Stewart]

dons:
> jcreigh:
> > Wed May 30 22:47:33 MDT 2007  Jason Creighton <jcreigh at gmail.com>
> >   * first shot at a floating layer
> >   
> >   This is a first attempting at a floating layer:
> >   
> >   mod-button1: move window
> >   mod-button2: swapMaster
> >   mod-button3: resize window
> >   
> >   mod-t: make floating window tiled again
> >   
> >   Moving or resizing a window automatically makes it floating.
> >   
> >   Known issues:
> >   
> >   Hard to manage stacking order. You can promote a window to move it to the top,
> >   (which you can do with mod-button2) but it should be easier than that.
> >   
> >   Moving a window by dragging it to a different Xinerama screen does not move it
> >   to that workspace.
> >   
> >   Code is ugly.
> 
> We'll be playing with this, and thinking about it for a few days. 
> 

In fact, this is really nice! Great work Jason. This is very exciting:
it makes some apps (gimp!) a lot more usable.

The patch is in now the repo, for brave souls.  
Here's a screenshot of a couple of floating windows over a wide pane:

    http://www.cse.unsw.edu.au/~dons/tmp/float.png

-- Don