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module XMonad.Custom.Startup
    ( startupHook'
    ) where

import           Control.Monad
import           Data.Maybe
import           XMonad
import           XMonad.Hooks.ManageDocks
import           XMonad.Hooks.SetWMName
import           XMonad.Util.Cursor
import           XMonad.Util.SpawnNamedPipe

atomsToFullscreen :: [String]
atomsToFullscreen =
    [ "_NET_ACTIVE_WINDOW"
    , "_NET_CLIENT_LIST"
    , "_NET_CLIENT_LIST_STACKING"
    , "_NET_DESKTOP_NAMES"
    , "_NET_WM_DESKTOP"
    , "_NET_WM_STATE"
    , "_NET_WM_STATE_FULLSCREEN"
    , "_NET_WM_STATE_HIDDEN"
    , "_NET_WM_STRUT"
    ]

addNETSupported :: Atom -> X ()
addNETSupported x = withDisplay $ \d -> do
    r  <- asks theRoot
    ns <- getAtom "_NET_SUPPORTED"
    a  <- getAtom "ATOM"
    liftIO $ do
        s <- (join . maybeToList) <$> getWindowProperty32 d ns r
        when (fromIntegral x `notElem` s) $ changeProperty32 d r ns a propModeAppend [fromIntegral x]

addEWMHFullscreen :: X ()
addEWMHFullscreen = do
    s <- mapM getAtom atomsToFullscreen
    mapM_ addNETSupported s

startupHook' :: X ()
startupHook' = do
    spawnNamedPipe "/usr/bin/xmobar ~/.xmonad/xmobarrcTop.hs" "xmobarTop"
    spawnNamedPipe "/usr/bin/xmobar ~/.xmonad/xmobarrcBot.hs" "xmobarBot"
    docksStartupHook
    addEWMHFullscreen
    setDefaultCursor xC_left_ptr
    setWMName "xmonad"

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