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|
{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses #-}
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Layout.SimpleDecoration
-- Copyright : (c) 2007 Andrea Rossato
-- License : BSD-style (see xmonad/LICENSE)
--
-- Maintainer : andrea.rossato@unibz.it
-- Stability : unstable
-- Portability : unportable
--
-- A layout modifier for adding simple decorations to the windows of a
-- given layout. The decorations are in the form of ion-like tabs
-- for window titles.
--
-----------------------------------------------------------------------------
module XMonad.Layout.SimpleDecoration
( -- * Usage:
-- $usage
simpleDeco
, Theme (..)
, defaultTheme
, SimpleDecoration (..)
, shrinkText, CustomShrink(CustomShrink)
, Shrinker(..)
) where
import XMonad
import XMonad.Layout.Decoration
-- $usage
-- You can use this module with the following in your
-- @~\/.xmonad\/xmonad.hs@:
--
-- > import XMonad.Layout.SimpleDecoration
--
-- Then edit your @layoutHook@ by adding the SimpleDecoration decoration to
-- your layout:
--
-- > myL = simpleDeco shrinkText defaultTheme (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.
--
-- > mySDConfig = defaultTheme { inactiveBorderColor = "red"
-- > , inactiveTextColor = "red"}
--
-- and
--
-- > myL = dwmStyle shrinkText mySDConfig (layoutHook defaultTheme)
-- | Add simple decorations to windows of a layout.
simpleDeco :: (Eq a, Shrinker s) => s -> Theme
-> l a -> ModifiedLayout (Decoration SimpleDecoration s) l a
simpleDeco s c = decoration s c $ Simple True
data SimpleDecoration a = Simple Bool deriving (Show, Read)
instance Eq a => DecorationStyle SimpleDecoration a where
describeDeco _ = "Simple"
shrink (Simple b) (Rectangle _ _ _ dh) r@(Rectangle x y w h) =
if b then Rectangle x (y + fi dh) w (h - dh) else r
pureDecoration (Simple b) wh ht _ s _ (w,Rectangle x y wid _) =
if isInStack s w
then if b
then Just $ Rectangle x y nwh ht
else Just $ Rectangle x (y - fi ht) nwh ht
else Nothing
where nwh = min wid wh
|
