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https://github.com/elkowar/dots-of-war.git
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cleanup a lot
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4 changed files with 118 additions and 70 deletions
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@ -23,7 +23,7 @@ import qualified XMonad.Util.ExtensibleState as XS
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import qualified Rofi
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import qualified DescribedSubmap
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import qualified TiledDragging
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import qualified GHC.Word
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import qualified WindowSwallowing
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import Data.Foldable ( for_ )
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@ -516,76 +516,8 @@ main = do
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-- }}}
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mySwallowEventHook = swallowEventHook ([className =? "Alacritty", className =? "Termite"]) ([return True])
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mySwallowEventHook = WindowSwallowing.swallowEventHook ([className =? "Alacritty", className =? "Termite"]) ([return True])
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swallowEventHook :: [Query Bool] -> [Query Bool] -> Event -> X All
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swallowEventHook parentQueries childQueries event = do
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case event of
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ConfigureEvent {} -> withWindowSet (XS.modify . setStackBeforeWindowClosing . W.stack . W.workspace . W.current)
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(DestroyWindowEvent _ _ _ _ eventId childWindow) -> when (eventId == childWindow) $ do
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swallowedParent <- XS.gets (getSwallowedParent childWindow)
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maybeOldStack <- XS.gets stackBeforeWindowClosing
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case (swallowedParent, maybeOldStack) of
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(Just parent, Just oldStack) -> do
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windows (updateStack (const $ Just $ oldStack { W.focus = parent }) . onWorkspace "NSP" (W.delete' parent))
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XS.modify (removeSwallowed childWindow . setStackBeforeWindowClosing Nothing)
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_ -> return ()
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return ()
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(MapRequestEvent _ _ _ _ _ newWindow) -> withFocused $ \focused -> do
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parentMatches <- mapM (`runQuery` focused) parentQueries
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childMatches <- mapM (`runQuery` newWindow) childQueries
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when (or parentMatches && or childMatches) $ do
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newWindowPid <- getProp32s "_NET_WM_PID" newWindow
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oldWindowPid <- getProp32s "_NET_WM_PID" focused
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case (oldWindowPid, newWindowPid) of
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(Just (oldPid:_), Just (newPid:_)) -> do
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isChild <- liftIO $ (fromIntegral newPid) `isChildOf` (fromIntegral oldPid)
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when isChild $ do
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-- TODO use https://hackage.haskell.org/package/xmonad-contrib-0.16/docs/XMonad-Layout-Hidden.html
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windows (updateStack (fmap (\x -> x { W.focus = newWindow })) . onWorkspace "NSP" (W.insertUp focused))
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XS.modify (addSwallowedParent focused newWindow)
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_ -> return ()
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return ()
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_ -> return ()
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return $ All True
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where
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updateStack f ws =
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ws { W.current = (W.current ws) { W.workspace = (W.workspace $ W.current $ ws) { W.stack = (f $ W.stack . W.workspace . W.current $ ws) } } }
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onWorkspace :: (Eq i, Eq s) => i -> (W.StackSet i l a s sd -> W.StackSet i l a s sd) -> (W.StackSet i l a s sd -> W.StackSet i l a s sd)
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onWorkspace n f s = W.view (W.currentTag s) . f . W.view n $ s
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isChildOf :: Int -> Int -> IO Bool
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isChildOf child parent = do
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output <- runProcessWithInput "pstree" ["-T", "-p", show parent] ""
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return $ any ((show child) `isInfixOf`) $ lines output
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logOut :: [String] -> IO ()
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logOut x = catchAndNotifyAny (appendFile "/tmp/xmonad-event-out" ((intercalate " - " x) ++ "\n"))
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data SwallowingState =
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SwallowingState
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{ currentlySwallowed :: (M.Map Window Window), -- ^ mapping from child window window to the currently swallowed parent window
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stackBeforeWindowClosing :: Maybe (W.Stack Window) -- ^ current stack state right before DestroyWindowEvent is sent
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} deriving (Typeable, Show)
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getSwallowedParent :: Window -> SwallowingState -> Maybe Window
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getSwallowedParent win (SwallowingState { currentlySwallowed }) = M.lookup win currentlySwallowed
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addSwallowedParent :: Window -> Window -> SwallowingState -> SwallowingState
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addSwallowedParent parent child s@(SwallowingState { currentlySwallowed }) = s { currentlySwallowed = M.insert child parent currentlySwallowed }
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removeSwallowed :: Window -> SwallowingState -> SwallowingState
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removeSwallowed child s@(SwallowingState { currentlySwallowed }) = s { currentlySwallowed = M.delete child currentlySwallowed }
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setStackBeforeWindowClosing :: Maybe (W.Stack Window) -> SwallowingState -> SwallowingState
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setStackBeforeWindowClosing stack s = s { stackBeforeWindowClosing = stack }
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instance ExtensionClass SwallowingState where
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initialValue = SwallowingState {currentlySwallowed = mempty, stackBeforeWindowClosing = Nothing }
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-- POLYBAR Kram -------------------------------------- {{{
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115
files/.xmonad/lib/WindowSwallowing.hs
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115
files/.xmonad/lib/WindowSwallowing.hs
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@ -0,0 +1,115 @@
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{-# LANGUAGE NamedFieldPuns #-}
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module WindowSwallowing
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( swallowEventHook
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)
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where
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import XMonad
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import qualified XMonad.StackSet as W
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import qualified XMonad.Util.ExtensibleState as XS
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import XMonad.Util.Run ( runProcessWithInput )
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import XMonad.Util.WindowProperties
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import Data.Semigroup ( All(..) )
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import qualified Data.Map.Strict as M
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import Data.List ( isInfixOf )
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import Control.Monad ( when )
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swallowEventHook :: [Query Bool] -> [Query Bool] -> Event -> X All
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swallowEventHook parentQueries childQueries event = do
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case event of
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ConfigureEvent{} -> withWindowSet
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( XS.modify
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. setStackBeforeWindowClosing
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. W.stack
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. W.workspace
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. W.current
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)
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(DestroyWindowEvent _ _ _ _ eventId childWindow) ->
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when (eventId == childWindow) $ do
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swallowedParent <- XS.gets (getSwallowedParent childWindow)
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maybeOldStack <- XS.gets stackBeforeWindowClosing
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case (swallowedParent, maybeOldStack) of
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(Just parent, Just oldStack) -> do
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windows
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( updateStack (const $ Just $ oldStack { W.focus = parent })
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. onWorkspace "NSP" (W.delete' parent)
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)
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XS.modify
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(removeSwallowed childWindow . setStackBeforeWindowClosing Nothing
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)
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_ -> return ()
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return ()
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(MapRequestEvent _ _ _ _ _ newWindow) -> withFocused $ \focused -> do
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parentMatches <- mapM (`runQuery` focused) parentQueries
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childMatches <- mapM (`runQuery` newWindow) childQueries
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when (or parentMatches && or childMatches) $ do
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newWindowPid <- getProp32s "_NET_WM_PID" newWindow
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oldWindowPid <- getProp32s "_NET_WM_PID" focused
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case (oldWindowPid, newWindowPid) of
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(Just (oldPid : _), Just (newPid : _)) -> do
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isChild <-
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liftIO $ fromIntegral newPid `isChildOf` fromIntegral oldPid
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when isChild $ do
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-- TODO use https://hackage.haskell.org/package/xmonad-contrib-0.16/docs/XMonad-Layout-Hidden.html
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windows
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( updateStack (fmap (\x -> x { W.focus = newWindow }))
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. onWorkspace "NSP" (W.insertUp focused)
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)
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XS.modify (addSwallowedParent focused newWindow)
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_ -> return ()
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return ()
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_ -> return ()
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return $ All True
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where
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updateStack f ws = ws
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{ W.current = (W.current ws)
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{ W.workspace = (W.workspace $ W.current ws)
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{ W.stack = f
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. W.stack
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. W.workspace
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. W.current
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$ ws
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}
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}
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}
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onWorkspace
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:: (Eq i, Eq s)
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=> i
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-> (W.StackSet i l a s sd -> W.StackSet i l a s sd)
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-> (W.StackSet i l a s sd -> W.StackSet i l a s sd)
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onWorkspace n f s = W.view (W.currentTag s) . f . W.view n $ s
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isChildOf :: Int -> Int -> IO Bool
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isChildOf child parent = do
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output <- runProcessWithInput "pstree" ["-T", "-p", show parent] ""
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return $ any (show child `isInfixOf`) $ lines output
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data SwallowingState =
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SwallowingState
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{ currentlySwallowed :: M.Map Window Window, -- ^ mapping from child window window to the currently swallowed parent window
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stackBeforeWindowClosing :: Maybe (W.Stack Window) -- ^ current stack state right before DestroyWindowEvent is sent
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} deriving (Typeable, Show)
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getSwallowedParent :: Window -> SwallowingState -> Maybe Window
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getSwallowedParent win SwallowingState { currentlySwallowed } =
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M.lookup win currentlySwallowed
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addSwallowedParent :: Window -> Window -> SwallowingState -> SwallowingState
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addSwallowedParent parent child s@SwallowingState { currentlySwallowed } =
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s { currentlySwallowed = M.insert child parent currentlySwallowed }
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removeSwallowed :: Window -> SwallowingState -> SwallowingState
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removeSwallowed child s@SwallowingState { currentlySwallowed } =
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s { currentlySwallowed = M.delete child currentlySwallowed }
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setStackBeforeWindowClosing
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:: Maybe (W.Stack Window) -> SwallowingState -> SwallowingState
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setStackBeforeWindowClosing stack s = s { stackBeforeWindowClosing = stack }
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instance ExtensionClass SwallowingState where
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initialValue = SwallowingState { currentlySwallowed = mempty
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, stackBeforeWindowClosing = Nothing
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}
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@ -11,6 +11,7 @@ executable my-xmonad
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Rofi
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DescribedSubmap
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TiledDragging
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WindowSwallowing
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default-language: Haskell2010
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ghc-options: -Wall -threaded -fno-warn-missing-signatures
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