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

An opaque structure used as the base of all type instances.
-}

#define ENABLE_OVERLOADING \
       (!defined(__HADDOCK_VERSION__))

module GI.GObject.Structs.TypeInstance
    ( 

-- * Exported types
    TypeInstance(..)                        ,
    newZeroTypeInstance                     ,
    noTypeInstance                          ,


 -- * Methods
-- ** getPrivate #method:getPrivate#

#if ENABLE_OVERLOADING
    TypeInstanceGetPrivateMethodInfo        ,
#endif
    typeInstanceGetPrivate                  ,




    ) 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.GValue as B.GValue
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


-- | Memory-managed wrapper type.
newtype TypeInstance = TypeInstance (ManagedPtr TypeInstance)
instance WrappedPtr TypeInstance where
    wrappedPtrCalloc :: IO (Ptr TypeInstance)
wrappedPtrCalloc = Int -> IO (Ptr TypeInstance)
forall a. Int -> IO (Ptr a)
callocBytes 8
    wrappedPtrCopy :: TypeInstance -> IO TypeInstance
wrappedPtrCopy = \p :: TypeInstance
p -> TypeInstance
-> (Ptr TypeInstance -> IO TypeInstance) -> IO TypeInstance
forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
withManagedPtr TypeInstance
p (Int -> Ptr TypeInstance -> IO (Ptr TypeInstance)
forall a. WrappedPtr a => Int -> Ptr a -> IO (Ptr a)
copyBytes 8 (Ptr TypeInstance -> IO (Ptr TypeInstance))
-> (Ptr TypeInstance -> IO TypeInstance)
-> Ptr TypeInstance
-> IO TypeInstance
forall (m :: * -> *) a b c.
Monad m =>
(a -> m b) -> (b -> m c) -> a -> m c
>=> (ManagedPtr TypeInstance -> TypeInstance)
-> Ptr TypeInstance -> IO TypeInstance
forall a.
(HasCallStack, WrappedPtr a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
wrapPtr ManagedPtr TypeInstance -> TypeInstance
TypeInstance)
    wrappedPtrFree :: Maybe (FunPtr (Ptr TypeInstance -> IO ()))
wrappedPtrFree = FunPtr (Ptr TypeInstance -> IO ())
-> Maybe (FunPtr (Ptr TypeInstance -> IO ()))
forall a. a -> Maybe a
Just FunPtr (Ptr TypeInstance -> IO ())
forall a. FunPtr (Ptr a -> IO ())
ptr_to_g_free

-- | Construct a `TypeInstance` struct initialized to zero.
newZeroTypeInstance :: MonadIO m => m TypeInstance
newZeroTypeInstance :: m TypeInstance
newZeroTypeInstance = IO TypeInstance -> m TypeInstance
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO TypeInstance -> m TypeInstance)
-> IO TypeInstance -> m TypeInstance
forall a b. (a -> b) -> a -> b
$ IO (Ptr TypeInstance)
forall a. WrappedPtr a => IO (Ptr a)
wrappedPtrCalloc IO (Ptr TypeInstance)
-> (Ptr TypeInstance -> IO TypeInstance) -> IO TypeInstance
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= (ManagedPtr TypeInstance -> TypeInstance)
-> Ptr TypeInstance -> IO TypeInstance
forall a.
(HasCallStack, WrappedPtr a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
wrapPtr ManagedPtr TypeInstance -> TypeInstance
TypeInstance

instance tag ~ 'AttrSet => Constructible TypeInstance tag where
    new :: (ManagedPtr TypeInstance -> TypeInstance)
-> [AttrOp TypeInstance tag] -> m TypeInstance
new _ attrs :: [AttrOp TypeInstance tag]
attrs = do
        TypeInstance
o <- m TypeInstance
forall (m :: * -> *). MonadIO m => m TypeInstance
newZeroTypeInstance
        TypeInstance -> [AttrOp TypeInstance 'AttrSet] -> m ()
forall o (m :: * -> *).
MonadIO m =>
o -> [AttrOp o 'AttrSet] -> m ()
GI.Attributes.set TypeInstance
o [AttrOp TypeInstance tag]
[AttrOp TypeInstance 'AttrSet]
attrs
        TypeInstance -> m TypeInstance
forall (m :: * -> *) a. Monad m => a -> m a
return TypeInstance
o


-- | A convenience alias for `Nothing` :: `Maybe` `TypeInstance`.
noTypeInstance :: Maybe TypeInstance
noTypeInstance :: Maybe TypeInstance
noTypeInstance = Maybe TypeInstance
forall a. Maybe a
Nothing


#if ENABLE_OVERLOADING
instance O.HasAttributeList TypeInstance
type instance O.AttributeList TypeInstance = TypeInstanceAttributeList
type TypeInstanceAttributeList = ('[ ] :: [(Symbol, *)])
#endif

-- method TypeInstance::get_private
-- method type : OrdinaryMethod
-- Args : [Arg {argCName = "instance", argType = TInterface (Name {namespace = "GObject", name = "TypeInstance"}), direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Nothing, sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing},Arg {argCName = "private_type", argType = TBasicType TGType, direction = DirectionIn, mayBeNull = False, argDoc = Documentation {rawDocText = Nothing, sinceVersion = Nothing}, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, argCallerAllocates = False, transfer = TransferNothing}]
-- Lengths : []
-- returnType : Just (TBasicType TPtr)
-- throws : False
-- Skip return : False

foreign import ccall "g_type_instance_get_private" g_type_instance_get_private :: 
    Ptr TypeInstance ->                     -- instance : TInterface (Name {namespace = "GObject", name = "TypeInstance"})
    CGType ->                               -- private_type : TBasicType TGType
    IO (Ptr ())

{- |
/No description available in the introspection data./
-}
typeInstanceGetPrivate ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    TypeInstance
    -> GType
    -> m (Ptr ())
typeInstanceGetPrivate :: TypeInstance -> GType -> m (Ptr ())
typeInstanceGetPrivate instance_ :: TypeInstance
instance_ privateType :: GType
privateType = IO (Ptr ()) -> m (Ptr ())
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO (Ptr ()) -> m (Ptr ())) -> IO (Ptr ()) -> m (Ptr ())
forall a b. (a -> b) -> a -> b
$ do
    Ptr TypeInstance
instance_' <- TypeInstance -> IO (Ptr TypeInstance)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr TypeInstance
instance_
    let privateType' :: CGType
privateType' = GType -> CGType
gtypeToCGType GType
privateType
    Ptr ()
result <- Ptr TypeInstance -> CGType -> IO (Ptr ())
g_type_instance_get_private Ptr TypeInstance
instance_' CGType
privateType'
    TypeInstance -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr TypeInstance
instance_
    Ptr () -> IO (Ptr ())
forall (m :: * -> *) a. Monad m => a -> m a
return Ptr ()
result

#if ENABLE_OVERLOADING
data TypeInstanceGetPrivateMethodInfo
instance (signature ~ (GType -> m (Ptr ())), MonadIO m) => O.MethodInfo TypeInstanceGetPrivateMethodInfo TypeInstance signature where
    overloadedMethod _ = typeInstanceGetPrivate

#endif

#if ENABLE_OVERLOADING
type family ResolveTypeInstanceMethod (t :: Symbol) (o :: *) :: * where
    ResolveTypeInstanceMethod "getPrivate" o = TypeInstanceGetPrivateMethodInfo
    ResolveTypeInstanceMethod l o = O.MethodResolutionFailed l o

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

#if MIN_VERSION_base(4,9,0)
instance (info ~ ResolveTypeInstanceMethod t TypeInstance, O.MethodInfo info TypeInstance p) => O.IsLabel t (TypeInstance -> p) where
#if MIN_VERSION_base(4,10,0)
    fromLabel = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#else
    fromLabel _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#endif
#endif

#endif