diff options
Diffstat (limited to 'XMonad/Actions/SpawnOn.hs')
| -rw-r--r-- | XMonad/Actions/SpawnOn.hs | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/XMonad/Actions/SpawnOn.hs b/XMonad/Actions/SpawnOn.hs index d7500b2..1154ce5 100644 --- a/XMonad/Actions/SpawnOn.hs +++ b/XMonad/Actions/SpawnOn.hs @@ -20,6 +20,7 @@ module XMonad.Actions.SpawnOn ( -- $usage Spawner, manageSpawn, + manageSpawnWithGC, spawnHere, spawnOn, spawnAndDo, @@ -66,8 +67,6 @@ newtype Spawner = Spawner {pidsRef :: [(ProcessID, ManageHook)]} deriving Typeab instance ExtensionClass Spawner where initialValue = Spawner [] -maxPids :: Int -maxPids = 5 -- | Get the current Spawner or create one if it doesn't exist. modifySpawner :: ([(ProcessID, ManageHook)] -> [(ProcessID, ManageHook)]) -> X () @@ -76,14 +75,20 @@ modifySpawner f = XS.modify (Spawner . f . pidsRef) -- | Provides a manage hook to react on process spawned with -- 'spawnOn', 'spawnHere' etc. manageSpawn :: ManageHook -manageSpawn = do +manageSpawn = manageSpawnWithGC (return . take 20) + +manageSpawnWithGC :: ([(ProcessID, ManageHook)] -> X [(ProcessID, ManageHook)]) + -- ^ function to stop accumulation of entries for windows that never set @_NET_WM_PID@ + -> ManageHook +manageSpawnWithGC garbageCollect = do Spawner pids <- liftX XS.get mp <- pid case flip lookup pids =<< mp of Nothing -> idHook Just mh -> do - whenJust mp $ \p -> - liftX . modifySpawner $ filter ((/= p) . fst) + whenJust mp $ \p -> liftX $ do + ps <- XS.gets pidsRef + XS.put . Spawner =<< garbageCollect (filter ((/= p) . fst) ps) mh mkPrompt :: (String -> X ()) -> XPConfig -> X () @@ -115,7 +120,7 @@ spawnOn ws cmd = spawnAndDo (doShift ws) cmd spawnAndDo :: ManageHook -> String -> X () spawnAndDo mh cmd = do p <- spawnPID $ mangle cmd - modifySpawner $ (take maxPids . ((p,mh) :)) + modifySpawner $ ((p,mh) :) where -- TODO this is silly, search for a better solution mangle xs | any (`elem` metaChars) xs || "exec" `isInfixOf` xs = xs |