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|
{-# LANGUAGE FlexibleContexts, FlexibleInstances, MultiParamTypeClasses #-}
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Layout.Named
-- Copyright : (c) David Roundy <droundy@darcs.net>
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : none
-- Stability : unstable
-- Portability : unportable
--
-- A module for assigning a name to a given layout.
--
-----------------------------------------------------------------------------
module XMonad.Layout.Named
( -- * Usage
-- $usage
named,
nameTail
) where
import XMonad
import XMonad.Layout.LayoutModifier
-- $usage
-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:
--
-- > import XMonad.Layout.Named
--
-- Then edit your @layoutHook@ by adding the Named layout modifier
-- to some layout:
--
-- > myLayouts = named "real big" Full ||| (nameTail $ named "real big" $ Full) ||| etc..
-- > main = xmonad defaultConfig { layoutHook = myLayouts }
--
-- For more detailed instructions on editing the layoutHook see:
--
-- "XMonad.Doc.Extending#Editing_the_layout_hook"
-- | Rename a layout.
named :: String -> l a -> ModifiedLayout Named l a
named s = ModifiedLayout (Named s)
data Named a = Named String deriving ( Read, Show )
instance LayoutModifier Named a where
modifyDescription (Named n) _ = n
-- | Remove the first word of the name.
nameTail :: l a -> ModifiedLayout NameTail l a
nameTail = ModifiedLayout NameTail
data NameTail a = NameTail deriving (Read,Show)
instance LayoutModifier NameTail a where
modifyDescription NameTail i = dropWhile (==' ') $ dropWhile (/=' ') $ description i
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