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|
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Actions.RotView
-- Copyright : (c) David Roundy <droundy@darcs.net>
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : David Roundy <droundy@darcs.net>
-- Stability : unstable
-- Portability : unportable
--
-- Provides bindings to cycle through non-empty workspaces.
--
-----------------------------------------------------------------------------
module XMonad.Actions.RotView (
-- * Usage
-- $usage
rotView
) where
import Control.Monad.State ( gets )
import Data.List ( sortBy, find )
import Data.Maybe ( isJust )
import Data.Ord ( comparing )
import XMonad
import XMonad.StackSet hiding (filter)
import XMonad.Operations
-- $usage
-- You can use this module with the following in your Config.hs file:
--
-- > import XMonad.Actions.RotView
--
-- > , ((modMask .|. shiftMask, xK_Right), rotView True)
-- > , ((modMask .|. shiftMask, xK_Left), rotView False)
-- %import XMonad.Actions.RotView
-- %keybind , ((modMask .|. shiftMask, xK_Right), rotView True)
-- %keybind , ((modMask .|. shiftMask, xK_Left), rotView False)
rotView :: Bool -> X ()
rotView forward = do
ws <- gets windowset
let currentTag = tag . workspace . current $ ws
sortWs = sortBy (comparing tag)
isNotEmpty = isJust . stack
sorted = sortWs (hidden ws)
pivoted = let (a,b) = span ((< currentTag) . tag) sorted in b ++ a
pivoted' | forward = pivoted
| otherwise = reverse pivoted
nextws = find isNotEmpty pivoted'
whenJust nextws (windows . view . tag)
|
