RotSlaves

darcs-hash:20070802094408-89d1d-b0695b4cdbd29c303936544412419594dcabda41.gz

1 files changed, 47 insertions, 0 deletions

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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))
+
+