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-- |
-- Module                  : XMonad.Custom.Startup
-- Description             : Startup hooks
-- Copyright               : (c) Azat Bahawi 2018-2021
-- SPDX-License-Identifier : GPL-3.0-or-later
-- Maintainer              : azahi@teknik.io
-- Stability               : experimental
-- Portability             : non-portable
--

module XMonad.Custom.Startup
  ( startupHook
  ) where

import           Control.Monad
import           Data.Maybe
import           XMonad                  hiding ( startupHook )
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
  n <- getAtom "_NET_SUPPORTED"
  a <- getAtom "ATOM"
  liftIO $ do
    p <- join . maybeToList <$> getWindowProperty32 d n r
    when (fromIntegral x `notElem` p)
      $ changeProperty32 d r n a propModeAppend [fromIntegral x]

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

startupHook :: X ()
startupHook = do
  -- spawnNamedPipe "xmobar ~/.xmonad/xmobarrc/top.hs" "xmobarTop"
  -- spawnNamedPipe "xmobar ~/.xmonad/xmobarrc/bot.hs" "xmobarBot"
  docksStartupHook
  addEWMHFullscreen
  setDefaultCursor xC_left_ptr
  setWMName "xmonad"

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