diff options
Diffstat (limited to 'XMonad/Util')
| -rw-r--r-- | XMonad/Util/Timer.hs | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/XMonad/Util/Timer.hs b/XMonad/Util/Timer.hs index 8d5c2f7..8d21030 100644 --- a/XMonad/Util/Timer.hs +++ b/XMonad/Util/Timer.hs @@ -23,7 +23,6 @@ import XMonad import Control.Applicative import Control.Concurrent import Data.Unique -import System.Environment -- $usage -- This module can be used to setup a timer to handle deferred events. @@ -35,18 +34,17 @@ type TimerId = Int -- time (in seconds). startTimer :: Rational -> X TimerId startTimer s = io $ do - dpy <- catch (getEnv "DISPLAY") (const $ return []) - d <- openDisplay dpy - rw <- rootWindow d $ defaultScreen d u <- hashUnique <$> newUnique doubleFork $ do - threadDelay (fromEnum $ s * 1000000) - a <- internAtom d "XMONAD_TIMER" False - allocaXEvent $ \e -> do + d <- openDisplay "" + rw <- rootWindow d $ defaultScreen d + threadDelay (fromEnum $ s * 1000000) + a <- internAtom d "XMONAD_TIMER" False + allocaXEvent $ \e -> do setEventType e clientMessage setClientMessageEvent e rw a 32 (fromIntegral u) currentTime sendEvent d rw False structureNotifyMask e - sync d False + sync d False return u -- | Given a 'TimerId' and an 'Event', run an action when the 'Event' @@ -55,7 +53,7 @@ handleTimer :: TimerId -> Event -> X (Maybe a) -> X (Maybe a) handleTimer ti (ClientMessageEvent {ev_message_type = mt, ev_data = dt}) action = do d <- asks display a <- io $ internAtom d "XMONAD_TIMER" False - if dt /= [] && fromIntegral (head dt) == ti && mt == a + if mt == a && dt /= [] && fromIntegral (head dt) == ti then action else return Nothing handleTimer _ _ _ = return Nothing |