diff options
Diffstat (limited to 'XMonad/Prompt/RunOrRaise.hs')
| -rw-r--r-- | XMonad/Prompt/RunOrRaise.hs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/XMonad/Prompt/RunOrRaise.hs b/XMonad/Prompt/RunOrRaise.hs index 5fcfb3a..251e09c 100644 --- a/XMonad/Prompt/RunOrRaise.hs +++ b/XMonad/Prompt/RunOrRaise.hs @@ -25,9 +25,14 @@ import XMonad.Prompt.Shell import XMonad.Actions.WindowGo (runOrRaise) import XMonad.Util.Run (runProcessWithInput) +import Prelude hiding (catch) +import Control.Exception import Control.Monad (liftM, liftM2) import System.Directory (doesDirectoryExist, doesFileExist, executable, getPermissions) +econst :: Monad m => a -> IOException -> m a +econst = const . return + {- $usage 1. In your @~\/.xmonad\/xmonad.hs@: @@ -65,7 +70,7 @@ isApp "thunderbird" = className =? "Thunderbird-bin" <||> className =? "Thunderb isApp x = liftM2 (==) pid $ pidof x pidof :: String -> Query Int -pidof x = io $ (runProcessWithInput "pidof" [x] [] >>= readIO) `catch` (\_ -> return 0) +pidof x = io $ (runProcessWithInput "pidof" [x] [] >>= readIO) `catch` econst 0 pid :: Query Int pid = ask >>= (\w -> liftX $ withDisplay $ \d -> getPID d w) |