HROOT-core-0.9: src/HROOT/Core/TObject/Interface.hs

{-# LANGUAGE EmptyDataDecls, ExistentialQuantification,
  FlexibleContexts, FlexibleInstances, ForeignFunctionInterface,
  MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies,
  TypeSynonymInstances #-}
module HROOT.Core.TObject.Interface where
import Data.Word
import Foreign.C
import Foreign.Ptr
import FFICXX.Runtime.Cast
import HROOT.Core.TObject.RawType
import HROOT.Core.TClass.RawType
import HROOT.Core.Deletable.Interface

class IDeletable a => ITObject a where
        draw :: Castable c0 CString => a -> c0 -> IO ()
        
        findObject :: Castable c0 CString => a -> c0 -> IO TObject
        
        getName :: a -> IO CString
        
        isA :: a -> IO TClass
        
        paint :: Castable c0 CString => a -> c0 -> IO ()
        
        printObj :: Castable c0 CString => a -> c0 -> IO ()
        
        saveAs ::
                 (Castable c1 CString, Castable c0 CString) =>
                 a -> c0 -> c1 -> IO ()
        
        write :: Castable c0 CString => a -> c0 -> CInt -> CInt -> IO CInt

upcastTObject :: forall a . (FPtr a, ITObject a) => a -> TObject
upcastTObject h
  = let fh = get_fptr h
        fh2 :: Ptr RawTObject = castPtr fh
      in cast_fptr_to_obj fh2

downcastTObject :: forall a . (FPtr a, ITObject a) => TObject -> a
downcastTObject h
  = let fh = get_fptr h
        fh2 = castPtr fh
      in cast_fptr_to_obj fh2