module HROOT.Class.TButton.Interface where
import Data.Word
import Foreign.ForeignPtr
import HROOT.TypeCast
import HROOT.Class.TButton.RawType
import HROOT.Class.TPad.Interface
import HROOT.Class.TAttText.Interface
class (ITPad a,ITAttText a) => ITButton a where
instance Existable TButton where
data Exist TButton = forall a. (FPtr a, ITButton a) => ETButton a
upcastTButton :: (FPtr a, ITButton a) => a -> TButton
upcastTButton h = let fh = get_fptr h
fh2 :: ForeignPtr RawTButton = castForeignPtr fh
in cast_fptr_to_obj fh2