[Xmonad] darcs patch: Windows on multiple workspaces

[Robert Marlow]

I'd like to emphasise that I don't have xinerama support and haven't
been able to test how it works. I'd appreciate it if someone with
xinerama could do that for me.

I have however tested using the quickcheck properties included with this
patch. But that's no substitute for actually seeing it work. It seems to
work well for single screen setups in any case.

Patch to MonadContrib supporting functions for actually doing the
multiple workspace tagging should arrive on the list separately.


On Sat, 2007-05-26 at 17:30 +0900, Robert Marlow wrote:
> Sat May 26 17:16:17 JST 2007  Rob <bobstopper at bobturf.org>
>   * Windows on multiple workspaces
>   Previously, it was a invariant that a window will never have duplicates 
>   in the stackset.
>   
>   This invariant has been removed and replaced with the invariant that a
>   window will never have duplicates in a stack. It may have duplicates
>   appear in other stacks. This makes it possible to have DWM style tagging.
>   
>   Other than adjusting insertLeft and delete/deleteAll to allow for duplicates 
>   in the stackset, support must be made for xinerama. The xinerama support is
>   designed as follows:
>   1. The current screen always has all windows showing. This ensures that focus
>   (only meaningful on the current screen) will not need to be changed
>   2. non-current visible screens have all windows showing which are not already
>   showing on windows to the screen's "left" (defined as screens with lower 
>   ordered identifiers).
>   
>   This functionality has been placed in a new visibleOnScreen function which
>   returns the windows visible on a screen given the above rules. The refresh and
>   hide functions in Operations have been adjusted to use this new function to
>   ensure windows are displayed sanely.
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-- 
Robert Marlow <bobstopper at bobturf.org>