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|
-----------------------------------------------------------------------------
-- |
-- Module : XMonadContrib.NamedWindows
-- Copyright : (c) David Roundy <droundy@darcs.net>
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : David Roundy <droundy@darcs.net>
-- Stability : unstable
-- Portability : unportable
--
-- This module allows you to associate the X titles of windows with
-- them.
--
-----------------------------------------------------------------------------
module XMonadContrib.NamedWindows (
-- * Usage
-- $usage
NamedWindow,
getName,
withNamedWindow,
unName
) where
import Control.Monad.Reader ( asks )
import Control.Monad.State ( gets )
import qualified StackSet as W ( peek )
import Graphics.X11.Xlib
import Graphics.X11.Xlib.Extras ( fetchName )
import XMonad
-- $usage
-- See "XMonadContrib.Mosaic" for an example of its use.
data NamedWindow = NW !String !Window
instance Eq NamedWindow where
(NW s _) == (NW s' _) = s == s'
instance Ord NamedWindow where
compare (NW s _) (NW s' _) = compare s s'
instance Show NamedWindow where
show (NW n _) = n
getName :: Window -> X NamedWindow
getName w = asks display >>= \d -> do n <- maybe "" id `fmap` io (fetchName d w)
return $ NW n w
unName :: NamedWindow -> Window
unName (NW _ w) = w
withNamedWindow :: (NamedWindow -> X ()) -> X ()
withNamedWindow f = do ws <- gets windowset
whenJust (W.peek ws) $ \w -> getName w >>= f
|
