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|
-----------------------------------------------------------------------------
-- |
-- Module : XMonadContrib.RotSlaves
-- Copyright : (c) Hans Philipp Annen <haphi@gmx.net>, Mischa Dieterle <der_m@freenet.de>
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : Hans Philipp Annen <haphi@gmx.net>
-- Stability : unstable
-- Portability : unportable
--
-- Rotate all windows except the master window
-- and keep the focus in place.
-----------------------------------------------------------------------------
module XMonadContrib.RotSlaves (
-- $usage
rotSlaves', rotSlaves
) where
import qualified StackSet as SS
-- $usage
--
-- To use this module, import it with:
--
-- > import XMonadContrib.RotSlaves
--
-- and add a keybinding:
--
-- , ((modMask .|. shiftMask, xK_Tab ), windows rotSlaves)
--
--
-- This operation will rotate all windows except the master window, while the focus
-- stays where it is. It is usefull together with the TwoPane-Layout (see XMonadContrib.TwoPane).
--
rotSlaves :: SS.StackSet i a s sd -> SS.StackSet i a s sd
rotSlaves = SS.modify' rotSlaves'
rotSlaves' :: SS.Stack a -> SS.Stack a
rotSlaves' (SS.Stack t ls rs) | (null ls) = SS.Stack t [] ((rearRs)++(frontRs)) --Master has focus
| otherwise = SS.Stack t' (reverse ((master)++revls')) rs' --otherwise
where (frontRs, rearRs) = splitAt (max 0 ((length rs) - 1)) rs
(ils, master) = splitAt (max 0 ((length ls) - 1)) ls
toBeRotated = (reverse ils)++(t:rs)
(revls',t':rs') = splitAt (length ils) ((last toBeRotated):(init toBeRotated))
|
