{- |
Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License    : LGPL-2.1
Maintainer : Iñaki García Etxebarria (garetxe@gmail.com)
-}

module GI.Pango.Structs.Map
    ( 

-- * Exported types
    Map(..)                                 ,
    noMap                                   ,


    ) where

import Data.GI.Base.ShortPrelude
import qualified Data.GI.Base.ShortPrelude as SP
import qualified Data.GI.Base.Overloading as O
import qualified Prelude as P

import qualified Data.GI.Base.Attributes as GI.Attributes
import qualified Data.GI.Base.ManagedPtr as B.ManagedPtr
import qualified Data.GI.Base.GError as B.GError
import qualified Data.GI.Base.GVariant as B.GVariant
import qualified Data.GI.Base.GParamSpec as B.GParamSpec
import qualified Data.GI.Base.CallStack as B.CallStack
import qualified Data.Text as T
import qualified Data.ByteString.Char8 as B
import qualified Data.Map as Map
import qualified Foreign.Ptr as FP


newtype Map = Map (ManagedPtr Map)
-- XXX Wrapping a foreign struct/union with no known destructor or size, leak?
instance WrappedPtr Map where
    wrappedPtrCalloc = return nullPtr
    wrappedPtrCopy = return
    wrappedPtrFree = Nothing

noMap :: Maybe Map
noMap = Nothing


instance O.HasAttributeList Map
type instance O.AttributeList Map = MapAttributeList
type MapAttributeList = ('[ ] :: [(Symbol, *)])

type family ResolveMapMethod (t :: Symbol) (o :: *) :: * where
    ResolveMapMethod l o = O.MethodResolutionFailed l o

instance (info ~ ResolveMapMethod t Map, O.MethodInfo info Map p) => O.IsLabelProxy t (Map -> p) where
    fromLabelProxy _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)

#if MIN_VERSION_base(4,9,0)
instance (info ~ ResolveMapMethod t Map, O.MethodInfo info Map p) => O.IsLabel t (Map -> p) where
    fromLabel _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#endif