157 lines
5.1 KiB
Haskell
157 lines
5.1 KiB
Haskell
{-# LANGUAGE DeriveDataTypeable, TypeSynonymInstances, MultiParamTypeClasses, PatternGuards #-}
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module ProcessWorkspaces ( setProcessWorkspace
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, getProcessWorkspace
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, doAutoShift
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, doIgnoreProcessWorkspace
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, ignoreProcessWorkspace
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, ignoreWinProcessWorkspace
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, regroupProcess
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, regroupWinProcess
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, shiftIgnoreGroup
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, shiftWinIgnoreGroup
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, shiftGroup
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, shiftWinGroup
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, handleForgetEmptyWindowGroups
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, processWorkspaceManager
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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 Graphics.X11.Xlib.Extras (Event)
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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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doAutoShift :: ManageHook
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doAutoShift = 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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_ -> do
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idHook
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_ ->
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idHook
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doIgnoreProcessWorkspace :: ManageHook
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doIgnoreProcessWorkspace = do
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mp <- pid
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when (isJust mp) $
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liftX $ setProcessWorkspace (fromJust mp) Nothing
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idHook
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ignoreProcessWorkspace :: X ()
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ignoreProcessWorkspace = withFocused ignoreWinProcessWorkspace
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ignoreWinProcessWorkspace :: Window -> X ()
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ignoreWinProcessWorkspace w = runQuery doIgnoreProcessWorkspace w >> return ()
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regroupProcess :: WorkspaceId -> X ()
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regroupProcess ws = withFocused $ regroupWinProcess ws
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regroupWinProcess :: WorkspaceId -> Window -> X ()
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regroupWinProcess ws w = do
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mp <- runQuery pid w
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when (isJust mp) $ setProcessWorkspace (fromJust mp) (Just ws)
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shiftWinGroup ws w
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shiftIgnoreGroup :: WorkspaceId -> X ()
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shiftIgnoreGroup ws = withFocused $ shiftWinIgnoreGroup ws
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shiftWinIgnoreGroup :: WorkspaceId -> Window -> X ()
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shiftWinIgnoreGroup ws w = do
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ignoreWinProcessWorkspace w
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windows $ W.shiftWin ws w
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shiftGroup :: WorkspaceId -> X ()
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shiftGroup ws = withFocused $ shiftWinGroup ws
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shiftWinGroup :: WorkspaceId -> Window -> X ()
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shiftWinGroup ws w = do
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mp <- runQuery pid w
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case mp of
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Just p -> do
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mws <- getProcessWorkspace p
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case mws of
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Just pws -> do
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setProcessWorkspace p (Just ws)
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wins <- withWindowSet $ return . W.allWindows
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windows =<< foldM (\f w' -> runQuery pid w' >>= \mp' -> return $ if (mp' == Just p) then W.shiftWin ws w' . f else f) id wins
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_ ->
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windows $ W.shiftWin ws w
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_ ->
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windows $ W.shiftWin ws w
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handleForgetEmptyWindowGroups :: Event -> X All
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handleForgetEmptyWindowGroups (UnmapEvent {ev_window = w}) = do
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mp <- runQuery pid w
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when (isJust mp) $ do
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wins <- withWindowSet $ return . W.allWindows
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hasWindows <- foldM (\b w' -> liftM ((|| b) . (&& (w /= w')) . (== mp)) . runQuery pid $ w') False wins
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unless hasWindows $ updateStoreData ((\(ProcessWorkspaceStoreData map) -> ProcessWorkspaceStoreData $ M.delete (fromJust mp) map))
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return $ All True
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handleForgetEmptyWindowGroups _ = return $ All True
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data ProcessWorkspaceStoreData = ProcessWorkspaceStoreData (M.Map ProcessID (Maybe WorkspaceId))
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deriving (Typeable, Show, Read)
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instance StoreData ProcessWorkspaceStoreData
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processWorkspaceManager :: (LayoutClass l a) => l a -> ModifiedLayout (Storage ProcessWorkspaceStoreData) l a
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processWorkspaceManager = storage (ProcessWorkspaceStoreData M.empty)
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setProcessWorkspace :: ProcessID -> Maybe 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 = do
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ws <- getStoreData >>= return . join . fmap (\(ProcessWorkspaceStoreData map) -> M.lookup pid $ map)
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case ws of
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Nothing -> do
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wsc <- gets (W.currentTag . windowset)
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setProcessWorkspace pid (Just wsc)
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return $ Just wsc
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Just Nothing ->
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return Nothing
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Just (Just ws') ->
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return $ Just ws'
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spawnOn :: Maybe 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 (Just 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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