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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
simpleTabbed, tabbed, addTabs
, 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 = simpleTabbed ||| Full ||| etc..
--
-- or, if you want a specific theme for you tabbed layout:
--
-- > myLayouts = tabbed shrinkText defaultTheme ||| Full ||| etc..
--
-- and then:
--
-- > 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..
-- | A tabbed layout with the default xmonad Theme. Here's a screen
-- shot:
--
-- <http://code.haskell.org/~arossato/xmonadShots/simpleTabbed.png>
--
-- This is a minimal working configuration:
--
-- > import XMonad
-- > import XMonad.Layout.DecorationMadness
-- > main = xmonad defaultConfig { layoutHook = simpleTabbed }
simpleTabbed :: ModifiedLayout (Decoration TabbedDecoration DefaultShrinker) Simplest Window
simpleTabbed = decoration shrinkText defaultTheme Tabbed Simplest
-- | A layout decorated with tabs and the possibility to set a custom
-- shrinker and a custom theme.
tabbed :: (Eq a, Shrinker s) => s -> Theme
-> ModifiedLayout (Decoration TabbedDecoration s) Simplest a
tabbed s c = decoration s c Tabbed Simplest
addTabs :: (Eq a, LayoutClass l a, Shrinker s) => s -> Theme -> l a
-> ModifiedLayout (Decoration TabbedDecoration s) l a
addTabs s c l = decoration s c Tabbed l
data TabbedDecoration a = Tabbed deriving (Read, Show)
instance Eq a => DecorationStyle TabbedDecoration a where
describeDeco _ = "Tabbed"
decorateFirst _ = True
pureDecoration _ _ ht _ s wrs (w,r@(Rectangle x y wh _)) =
if length wrs' <= 1 then Nothing
else Just $ Rectangle nx y nwh (fi ht)
where wrs' = filter ((==r) . snd) wrs
ws = map fst wrs'
nwh = wh `div` max 1 (fi $ length wrs')
nx = case elemIndex w $ filter (`elem` ws) (S.integrate s) of
Just i -> x + (fi nwh * fi i)
Nothing -> x
|
