[Xmonad] darcs patch: add new combo layout combiner.

[Donald Bruce Stewart]

droundy:
> On Mon, Jun 11, 2007 at 03:50:16PM -0700, David Roundy wrote:
> > This module subsumes the TwoTabbed layout, which should not be applied.
> > 
> > David
> > 
> > Mon Jun 11 15:49:22 PDT 2007  David Roundy <droundy at darcs.net>
> >   * add new combo layout combiner.
> 
> For the curious, I'm attaching a screenshot that demonstrates the use of
> combo with twoPane and tabbed.  The manipulations of window order are ugly
> (for some reason mod-shift-j/k don't work for me, and it's very confusing
> swapping with "master" window), but the layout is approximately as flexible
> as that of ion3, although we really ought to pass messages into lower-level
> layouts, one way or another.  Still, it looks pretty nice to me, and it's
> relatively easy to get things formatted as I'd like.  What we need now is a
> twoPane that provides a handle to drag its divider back and forth.  Then
> we'd be as flexible as the subset of ion3 that I use.
> 
> And even better would be a serialization of Layout state... of course, then
> mosaic would be at least competitive with combo+tabbed+twoPane.
> 
> Oh, and in case you wonder about the source for this configuration:  it's
> visible on the screenshot itself, if you look closely.

very nice. i've applied that.

-- Don