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{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses #-}
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Layout.DwmStyle
-- Copyright : (c) 2007 Andrea Rossato
-- License : BSD-style (see xmonad/LICENSE)
--
-- Maintainer : andrea.rossato@unibz.it
-- Stability : unstable
-- Portability : unportable
--
-- A layout modifier for decorating windows in a dwm like style.
-----------------------------------------------------------------------------
module XMonad.Layout.DwmStyle
( -- * Usage:
-- $usage
dwmStyle
, DeConfig (..)
, DwmStyle (..), defaultDwmStyleConfig
, shrinkText, CustomShrink(CustomShrink)
, Shrinker(..)
) where
import XMonad
import XMonad.StackSet ( Stack (..) )
import XMonad.Layout.Decoration
-- $usage
-- You can use this module with the following in your
-- @~\/.xmonad\/xmonad.hs@:
--
-- > import XMonad.Layout.DwmStyle
--
-- Then edit your @layoutHook@ by adding the DwmStyle decoration to
-- your layout:
--
-- > myL = dwmStyle shrinkText defaultDwmStyleConfig (layoutHook defaultConfig)
-- > main = xmonad defaultConfig { layoutHook = myL }
--
-- For more detailed instructions on editing the layoutHook see:
--
-- "XMonad.Doc.Extending#Editing_the_layout_hook"
--
-- You can also edit the default configuration options.
--
-- > myDWConfig = defaultDwmStyleConfig { inactiveBorderColor = "red"
-- > , inactiveTextColor = "red"}
--
-- and
--
-- > myL = dwmStyle shrinkText myDWConfig (layoutHook defaultConfig)
-- | Add simple old dwm-style decorations to windows of a layout.
dwmStyle :: (Eq a, Shrinker s) => s -> DeConfig DwmStyle a
-> l a -> ModifiedLayout (Decoration DwmStyle s) l a
dwmStyle s c = decoration s c
defaultDwmStyleConfig :: Eq a => DeConfig DwmStyle a
defaultDwmStyleConfig= mkDefaultDeConfig Dwm
data DwmStyle a = Dwm deriving (Show, Read)
instance Eq a => DecorationStyle DwmStyle a where
describeDeco _ = "DwmStyle"
shrink _ _ r = r
pureDecoration _ wh ht _ (Stack fw _ _) _ (win,Rectangle x y wid _) =
if win == fw then Nothing else Just $ Rectangle (fi nx) y nwh (fi ht)
where nwh = min wid $ fi wh
nx = fi x + wid - nwh
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