{-# LANGUAGE ForeignFunctionInterface, TypeFamilies, MultiParamTypeClasses, 
             FlexibleInstances, TypeSynonymInstances, EmptyDataDecls, 
             OverlappingInstances, IncoherentInstances #-}

module HROOT.Core.TObject.Implementation where


import FFICXX.Runtime.Cast

import HROOT.Core.TObject.RawType
import HROOT.Core.TObject.FFI
import HROOT.Core.TObject.Interface
import HROOT.Core.TObject.Cast
import HROOT.Core.TClass.RawType
import HROOT.Core.TClass.Cast
import HROOT.Core.TClass.Interface
import HROOT.Core.Deletable.RawType
import HROOT.Core.Deletable.Cast
import HROOT.Core.Deletable.Interface

import Data.Word
import Foreign.C
import Foreign.Ptr 
import Foreign.ForeignPtr

import System.IO.Unsafe


instance ITObject TObject where
  draw = xform1 c_tobject_draw
  findObject = xform1 c_tobject_findobject
  getName = xform0 c_tobject_getname
  isA = xform0 c_tobject_isa
  paint = xform1 c_tobject_paint
  printObj = xform1 c_tobject_printobj
  saveAs = xform2 c_tobject_saveas
  write = xform3 c_tobject_write
instance IDeletable TObject where
  delete = xform0 c_tobject_delete

instance ITObject (Exist TObject) where
  draw (ETObject x) = draw x
  findObject (ETObject x) = findObject x
  getName (ETObject x) = getName x
  isA (ETObject x) = isA x
  paint (ETObject x) = paint x
  printObj (ETObject x) = printObj x
  saveAs (ETObject x) = saveAs x
  write (ETObject x) = write x
instance IDeletable (Exist TObject) where
  delete (ETObject x) = delete x


newTObject :: IO TObject
newTObject = xformnull c_tobject_newtobject



tObjectGetObjectStat :: IO CInt
tObjectGetObjectStat = xformnull c_tobject_tobjectgetobjectstat

instance FPtr (Exist TObject) where
  type Raw (Exist TObject) = RawTObject
  get_fptr (ETObject obj) = castForeignPtr (get_fptr obj)
  cast_fptr_to_obj fptr = ETObject (cast_fptr_to_obj (fptr :: ForeignPtr RawTObject) :: TObject)