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|
{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses, PatternGuards, TypeSynonymInstances #-}
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Layout.Tabbed
-- Copyright : (c) 2007 David Roundy, Andrea Rossato
-- License : BSD-style (see xmonad/LICENSE)
--
-- Maintainer : droundy@darcs.net, andrea.rossato@unibz.it
-- Stability : unstable
-- Portability : unportable
--
-- A tabbed layout for the Xmonad Window Manager
--
-----------------------------------------------------------------------------
module XMonad.Layout.Tabbed
( -- * Usage:
-- $usage
tabbed
, Theme (..)
, defaultTheme
, TabbedDecoration (..)
, shrinkText, CustomShrink(CustomShrink)
, Shrinker(..)
) where
import Data.Maybe
import Data.List
import XMonad
import qualified XMonad.StackSet as S
import XMonad.Layout.Decoration
import XMonad.Layout.Simplest ( Simplest(Simplest) )
-- $usage
-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:
--
-- > import XMonad.Layout.Tabbed
--
-- Then edit your @layoutHook@ by adding the Tabbed layout:
--
-- > myLayouts = tabDeco shrinkText defaultTheme ||| Full ||| etc..
-- > main = xmonad defaultConfig { layoutHook = myLayouts }
--
-- For more detailed instructions on editing the layoutHook see:
--
-- "XMonad.Doc.Extending#Editing_the_layout_hook"
--
-- You can also edit the default configuration options.
--
-- > myTabConfig = defaultTheme { inactiveBorderColor = "#FF0000"
-- > , activeTextColor = "#00FF00"}
--
-- and
--
-- > mylayout = tabDeco shrinkText myTabConfig ||| Full ||| etc..
-- | This function is deprecated and will be removed before 0.7!!
tabbed :: (Eq a, Shrinker s) => s -> Theme
-> ModifiedLayout (Decoration TabbedDecoration s) Simplest a
tabbed s c = decoration s c Tabbed Simplest
data TabbedDecoration a = Tabbed deriving (Read, Show)
instance Eq a => DecorationStyle TabbedDecoration a where
describeDeco _ = "Tabbed"
decorateFirst _ = False
pureDecoration _ _ ht (Rectangle x y wh _) s wrs (w,_) = Just $ Rectangle nx y nwh (fi ht)
where nwh = wh `div` max 1 (fi $ length wrs)
nx = case w `elemIndex` (S.integrate s) of
Just i -> x + (fi nwh * fi i)
Nothing -> x
|
