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|
{-# LANGUAGE FlexibleContexts, FlexibleInstances, MultiParamTypeClasses, TypeSynonymInstances #-}
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Layout.NoBorders
-- Copyright : (c) David Roundy <droundy@darcs.net>
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : David Roundy <droundy@darcs.net>
-- Stability : unstable
-- Portability : unportable
--
-- Make a given layout display without borders. This is useful for
-- full-screen or tabbed layouts, where you don't really want to waste a
-- couple of pixels of real estate just to inform yourself that the visible
-- window has focus.
--
-----------------------------------------------------------------------------
module XMonad.Layout.NoBorders (
-- * Usage
-- $usage
noBorders,
smartBorders,
withBorder
) where
import Control.Monad.State (gets)
import Control.Monad.Reader (asks)
import Graphics.X11.Xlib
import XMonad
import XMonad.Layout.LayoutModifier
import qualified XMonad.StackSet as W
import Data.List ((\\))
-- $usage
-- You can use this module with the following in your Config.hs file:
--
-- > import XMonad.Layout.NoBorders
--
-- and modify the layouts to call noBorders on the layouts you want to lack
-- borders
--
-- > layouts = [ Layout (noBorders Full), ... ]
--
-- %import XMonad.Layout.NoBorders
-- %layout -- prepend noBorders to default layouts above to remove their borders, like so:
-- %layout , noBorders Full
-- todo, use an InvisibleList.
data WithBorder a = WithBorder Dimension [a] deriving ( Read, Show )
instance LayoutModifier WithBorder Window where
modifierDescription (WithBorder 0 _) = "NoBorders"
modifierDescription (WithBorder n _) = "Borders " ++ show n
unhook (WithBorder _ s) = asks (borderWidth . config) >>= setBorders s
redoLayout (WithBorder n s) _ _ wrs = do
asks (borderWidth . config) >>= setBorders (s \\ ws)
setBorders ws n
return (wrs, Just $ WithBorder n ws)
where
ws = map fst wrs
noBorders :: LayoutClass l Window => l Window -> ModifiedLayout WithBorder l Window
noBorders = ModifiedLayout $ WithBorder 0 []
withBorder :: LayoutClass l a => Dimension -> l a -> ModifiedLayout WithBorder l a
withBorder b = ModifiedLayout $ WithBorder b []
setBorders :: [Window] -> Dimension -> X ()
setBorders ws bw = withDisplay $ \d -> mapM_ (\w -> io $ setWindowBorderWidth d w bw) ws
data SmartBorder a = SmartBorder [a] deriving (Read, Show)
instance LayoutModifier SmartBorder Window where
modifierDescription _ = "SmartBorder"
unhook (SmartBorder s) = asks (borderWidth . config) >>= setBorders s
redoLayout (SmartBorder s) _ _ wrs = do
ss <- gets (W.screens . windowset)
if singleton ws && singleton ss
then do
asks (borderWidth . config) >>= setBorders (s \\ ws)
setBorders ws 0
return (wrs, Just $ SmartBorder ws)
else do
asks (borderWidth . config) >>= setBorders s
return (wrs, Just $ SmartBorder [])
where
ws = map fst wrs
singleton = null . drop 1
--
-- | You can cleverly set no borders on a range of layouts, using a
-- layoutHook like so:
--
-- > layoutHook = Layout $ smartBorders $ Select layouts
--
smartBorders :: LayoutClass l a => l a -> ModifiedLayout SmartBorder l a
smartBorders = ModifiedLayout (SmartBorder [])
|
