content: {-
  waymonad A wayland compositor in the spirit of xmonad
  Copyright (C) 2018  Markus Ongyerth
  
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  
  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
  
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  
  Reach us at https://github.com/ongy/waymonad
  -}
  module Waymonad.Utility.Pointer
  where
  
  import Control.Monad.IO.Class (liftIO)
  
  import Graphics.Wayland.WlRoots.Box (Point (..), WlrBox (..))
  import Graphics.Wayland.WlRoots.OutputLayout (getOutputLayoutExtends)
  
  import Waymonad.Utility.Base (doJust)
  import Waymonad.ViewSet
  import Waymonad (getSeat, getState)
  import Waymonad.Input.Seat (setPointerPosition, Seat)
  import Waymonad.Types
  
  
  sendPointerTo :: (FocusCore vs ws, WSTag ws) => Point -> Way vs ws ()
  sendPointerTo p = doJust getSeat $ sendSeatTo p
  
  sendSeatTo :: (FocusCore vs ws, WSTag ws) => Point -> Seat -> Way vs ws ()
  sendSeatTo (Point dx dy) seat = do
      Compositor {compLayout = layout} <- wayCompositor <$> getState
      WlrBox _ _ lw lh <- liftIO $ getOutputLayoutExtends layout
      let pos = (fromIntegral dx / fromIntegral lw, fromIntegral dy / fromIntegral lh)
      setPointerPosition seat pos
  