[Xmonad] darcs patch: add decorations infrastructure

[Stefan O'Rear]

On Sat, Jun 09, 2007 at 12:46:59PM -0700, Stefan O'Rear wrote:
> On Sat, Jun 09, 2007 at 12:40:21PM -0700, Stefan O'Rear wrote:
> > On Sat, Jun 09, 2007 at 12:27:00PM -0700, David Roundy wrote:
> > > Hi all,
> > > 
> > > Here's some infrastructure to allow layouts to define window decorations
> > > such as tabs or title bars.  I'm mostly sending it in to get comments.
> > > I soon hope to have a crude tabbed layout using this.
> > 
> > Cool!  In the spirit of comments, I think I see a simpler and more
> > general way to accomplish this.  Expect a counterpatch shortly!
> > 
> > Why restrict the core to *decorations*?  This can be generalized:
> > 
> > 1. Have a transientRestore :: [X ()] hook in the state, which is used by
> >    the decoration manager (a XMonadContrib module) to remove decorations.
> > 
> > 2. Have a eventHandlers :: M.Map WindowId (Event -> X ()) which
> >    specifies what to do when other windows get events.  This gives
> >    Xmonad the toolkit-like facilities to implement drawing, clicking,
> >    etc decorations.
> 
> Actually this isn't needed.  It can be handled just fine using a *real*
> toolkit out-of-process.

On second thought, having toolkit functionality in the Xmonad core would
be a Good Thing, since it would allow the core to remain agnostic of
extension functionality such as external command sources.

Stefan