From bea0345abfee66e10b0b5444f139ea8ac59690e0 Mon Sep 17 00:00:00 2001 From: glasser Date: Wed, 23 May 2007 17:58:55 +0200 Subject: Extract NamedWindow support from Mosaic into its own module darcs-hash:20070523155855-64353-c23049efec2d620ede1e7acfcc5f1f979148c6fe.gz --- NamedWindows.hs | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 NamedWindows.hs (limited to 'NamedWindows.hs') diff --git a/NamedWindows.hs b/NamedWindows.hs new file mode 100644 index 0000000..71f8fe9 --- /dev/null +++ b/NamedWindows.hs @@ -0,0 +1,31 @@ +module XMonadContrib.NamedWindows ( NamedWindow, getName, withNamedWindow, unName ) where + +-- This module allows you to associate the X titles of windows with +-- them. See XMonadContrib.Mosaic for an example of its use. + +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 + +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' + +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 -- cgit v1.2.3