74 lines
2.3 KiB
Haskell
74 lines
2.3 KiB
Haskell
{-# LANGUAGE DeriveDataTypeable, TypeSynonymInstances, MultiParamTypeClasses, PatternGuards #-}
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module ProcessWorkspaces ( setProcessWorkspace
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, getProcessWorkspace
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, moveWindowHook
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, processWorkspaceStorage
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, spawnOn
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, spawnOnCurrent
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) where
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import XMonad hiding (moveWindow)
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import qualified XMonad.StackSet as W
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import XMonad.Layout.LayoutModifier (LayoutModifier(..), ModifiedLayout(..))
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import XMonad.Hooks.ManageHelpers (pid)
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import Graphics.X11.Types (Window)
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import System.Posix.Process (getProcessPriority)
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import System.Posix.Types (ProcessID)
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import Control.Monad
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import Data.Maybe
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import Data.Monoid
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import qualified Data.Map as M
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import Storage
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moveWindowHook :: ManageHook
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moveWindowHook = do
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mp <- pid
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case mp of
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Just p -> do
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mws <- liftX $ getProcessWorkspace p
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case mws of
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Just ws ->
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doShift ws
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_ ->
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idHook
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_ ->
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idHook
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data ProcessWorkspaceStoreData = ProcessWorkspaceStoreData (M.Map ProcessID WorkspaceId)
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deriving (Typeable, Show, Read)
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instance StoreData ProcessWorkspaceStoreData
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processWorkspaceStorage :: (LayoutClass l a) => l a -> ModifiedLayout (Storage ProcessWorkspaceStoreData) l a
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processWorkspaceStorage = storage $ ProcessWorkspaceStoreData M.empty
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setProcessWorkspace :: ProcessID -> WorkspaceId -> X ()
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setProcessWorkspace pid ws = do
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ProcessWorkspaceStoreData map <- liftM (fromMaybe $ ProcessWorkspaceStoreData M.empty) $ getStoreData
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map' <- filterPIDMap $ M.insert pid ws map
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setStoreData $ ProcessWorkspaceStoreData map'
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getProcessWorkspace :: ProcessID -> X (Maybe WorkspaceId)
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getProcessWorkspace pid = getStoreData >>= return . join . fmap (\(ProcessWorkspaceStoreData map) -> M.lookup pid map)
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spawnOn :: WorkspaceId -> String -> X ()
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spawnOn ws x = do
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pid <- spawnPID x
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setProcessWorkspace pid ws
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spawnOnCurrent :: String -> X ()
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spawnOnCurrent x = gets (W.currentTag . windowset) >>= \ws -> spawnOn ws x
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filterPIDMap :: M.Map ProcessID a -> X (M.Map ProcessID a)
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filterPIDMap = liftM M.fromAscList . filterM (pidExists . fst) . M.toAscList
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where
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pidExists :: ProcessID -> X Bool
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pidExists pid = io $ ((getProcessPriority pid) >> return True) `catch` (\_ -> return False)
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