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|
{-# LANGUAGE TypeSynonymInstances, MultiParamTypeClasses #-}
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Layout.SimplestFloat
-- Copyright : (c) 2008 Jussi Mäki
-- License : BSD-style (see xmonad/LICENSE)
--
-- Maintainer : joamaki@gmail.com
-- Stability : unstable
-- Portability : unportable
--
-- A basic floating layout like SimpleFloat but without the decoration.
-----------------------------------------------------------------------------
module XMonad.Layout.SimplestFloat
( -- * Usage:
-- $usage
simplestFloat
, SimplestFloat
) where
import XMonad
import qualified XMonad.StackSet as S
import XMonad.Layout.WindowArranger
import XMonad.Layout.LayoutModifier
import XMonad.Util.XUtils (fi)
-- $usage
-- You can use this module with the following in your
-- @~\/.xmonad\/xmonad.hs@:
--
-- > import XMonad.Layout.SimplestFloat
--
-- Then edit your @layoutHook@ by adding the SimplestFloat layout:
--
-- > myLayout = simplestFloat ||| Full ||| etc..
-- > main = xmonad defaultConfig { layoutHook = myLayout }
--
-- For more detailed instructions on editing the layoutHook see:
--
-- "XMonad.Doc.Extending#Editing_the_layout_hook"
-- | A simple floating layout where every window is placed according
-- to the window's initial attributes.
simplestFloat :: Eq a => (ModifiedLayout WindowArranger SimplestFloat) a
simplestFloat = windowArrangeAll SF
data SimplestFloat a = SF deriving (Show, Read)
instance LayoutClass SimplestFloat Window where
doLayout SF sc (S.Stack w l r) = fmap (flip (,) Nothing)
$ mapM (getSize sc) (w : reverse l ++ r)
description _ = "SimplestFloat"
getSize :: Rectangle -> Window -> X (Window,Rectangle)
getSize (Rectangle rx ry _ _) w = do
d <- asks display
bw <- asks (borderWidth . config)
wa <- io $ getWindowAttributes d w
let x = max rx $ fi $ wa_x wa
y = max ry $ fi $ wa_y wa
wh = (fi $ wa_width wa) + (bw * 2)
ht = (fi $ wa_height wa) + (bw * 2)
return (w, Rectangle x y wh ht)
|
