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|
{-# OPTIONS -fglasgow-exts #-}
-----------------------------------------------------------------------------
-- |
-- Module : XMonadContrib.SimpleStacking
-- Copyright : (c) David Roundy <droundy@darcs.net>
-- License : BSD-style (see LICENSE)
--
-- Maintainer : David Roundy <droundy@darcs.net>
-- Stability : unstable
-- Portability : unportable
--
-- A module to be used to obtain a simple "memory" of stacking order.
--
-- WARNING: This module is incompatible with Xinerama!
--
-----------------------------------------------------------------------------
module XMonadContrib.SimpleStacking (
-- * Usage
-- $usage
simpleStacking
) where
import Control.Monad.State ( modify )
import qualified Data.Map as M
import Data.Maybe ( catMaybes )
import Data.List ( nub, lookup )
import StackSet ( focus, tag, workspace, current, integrate )
import Graphics.X11.Xlib ( Window )
import XMonad
-- $usage
-- You can use this module for
-- See, for instance, "XMonadContrib.Tabbed"
simpleStacking :: Layout Window -> Layout Window
simpleStacking = simpleStacking' []
simpleStacking' :: [Window] -> Layout Window -> Layout Window
simpleStacking' st l = l { doLayout = dl
, modifyLayout = \m -> fmap (simpleStacking' st) `fmap` modifyLayout l m }
where dl r s = do modify $ \ state ->
state { layouts = M.adjust
(\(_,ss)->(simpleStacking'
(focus s:filter (`elem` integrate s) st) l,ss))
(tag.workspace.current.windowset $ state)
(layouts state) }
lo <- doLayout l r s
let m = map (\ (w,rr) -> (w,(w,rr))) lo
return $ catMaybes $ map ((flip lookup) m) $ nub (focus s : st ++ map fst lo)
|
