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module Rahm.Desktop.PopupTerminal
  ( getPopupTerminalWindow,
    movePopupToCurrentWorkspace,
    movePopupToHiddenWorkspace,
    updatePopupTerminalHook,
  )
where

import Control.Monad.Trans
import Data.Foldable (forM_)
import Data.Monoid
import XMonad
import qualified XMonad.StackSet as W
import qualified XMonad.Util.ExtensibleState as XS
import XMonad.Util.SpawnOnce (spawnOnce)

newtype PopupTerminalState = PopupTerminalState
  { popupTerminalWindow :: Maybe Window
  }
  deriving (Show, Read)

instance ExtensionClass PopupTerminalState where
  initialValue = PopupTerminalState Nothing
  extensionType = PersistentExtension

getPopupTerminalWindow :: X (Maybe Window)
getPopupTerminalWindow = XS.gets popupTerminalWindow

movePopupToCurrentWorkspace :: X ()
movePopupToCurrentWorkspace = do
  mWin <- getPopupTerminalWindow
  forM_ mWin $ \win -> do
    windows $ \ws ->
      W.focusWindow win $
        W.shiftWin (W.tag (W.workspace (W.current ws))) win ws

movePopupToHiddenWorkspace :: X ()
movePopupToHiddenWorkspace = do
  mWin <- getPopupTerminalWindow
  forM_ mWin $ \win -> windows $ \ws -> W.shiftWin "*" win ws

updatePopupTerminalHook :: ManageHook
updatePopupTerminalHook = Query $ do
  win <- ask
  lift $ XS.put $ PopupTerminalState (Just win)
  return (Endo id)