{-# LANGUAGE TypeApplications #-}


-- | Copyright  : Will Thompson and Iñaki García Etxebarria
-- License    : LGPL-2.1
-- Maintainer : Iñaki García Etxebarria
-- 
-- The main structure holding the input text and its properties before shaping,
-- and output glyphs and their information after shaping.

#if (MIN_VERSION_haskell_gi_overloading(1,0,0) && !defined(__HADDOCK_VERSION__))
#define ENABLE_OVERLOADING
#endif

module GI.HarfBuzz.Structs.BufferT
    ( 

-- * Exported types
    BufferT(..)                             ,


 -- * Methods

#if defined(ENABLE_OVERLOADING)
    ResolveBufferTMethod                    ,
#endif



    ) 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.BasicTypes as B.Types
import qualified Data.GI.Base.ManagedPtr as B.ManagedPtr
import qualified Data.GI.Base.GArray as B.GArray
import qualified Data.GI.Base.GClosure as B.GClosure
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.GI.Base.Properties as B.Properties
import qualified Data.GI.Base.Signals as B.Signals
import qualified Control.Monad.IO.Class as MIO
import qualified Data.Coerce as Coerce
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
import qualified GHC.OverloadedLabels as OL
import qualified GHC.Records as R


-- | Memory-managed wrapper type.
newtype BufferT = BufferT (SP.ManagedPtr BufferT)
    deriving (BufferT -> BufferT -> Bool
(BufferT -> BufferT -> Bool)
-> (BufferT -> BufferT -> Bool) -> Eq BufferT
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: BufferT -> BufferT -> Bool
$c/= :: BufferT -> BufferT -> Bool
== :: BufferT -> BufferT -> Bool
$c== :: BufferT -> BufferT -> Bool
Eq)

instance SP.ManagedPtrNewtype BufferT where
    toManagedPtr :: BufferT -> ManagedPtr BufferT
toManagedPtr (BufferT ManagedPtr BufferT
p) = ManagedPtr BufferT
p

foreign import ccall "hb_gobject_buffer_get_type" c_hb_gobject_buffer_get_type :: 
    IO GType

type instance O.ParentTypes BufferT = '[]
instance O.HasParentTypes BufferT

instance B.Types.TypedObject BufferT where
    glibType :: IO GType
glibType = IO GType
c_hb_gobject_buffer_get_type

instance B.Types.GBoxed BufferT

-- | Convert 'BufferT' to and from 'Data.GI.Base.GValue.GValue'. See 'Data.GI.Base.GValue.toGValue' and 'Data.GI.Base.GValue.fromGValue'.
instance B.GValue.IsGValue (Maybe BufferT) where
    gvalueGType_ :: IO GType
gvalueGType_ = IO GType
c_hb_gobject_buffer_get_type
    gvalueSet_ :: Ptr GValue -> Maybe BufferT -> IO ()
gvalueSet_ Ptr GValue
gv Maybe BufferT
P.Nothing = Ptr GValue -> Ptr BufferT -> IO ()
forall a. Ptr GValue -> Ptr a -> IO ()
B.GValue.set_boxed Ptr GValue
gv (Ptr BufferT
forall a. Ptr a
FP.nullPtr :: FP.Ptr BufferT)
    gvalueSet_ Ptr GValue
gv (P.Just BufferT
obj) = BufferT -> (Ptr BufferT -> IO ()) -> IO ()
forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
B.ManagedPtr.withManagedPtr BufferT
obj (Ptr GValue -> Ptr BufferT -> IO ()
forall a. Ptr GValue -> Ptr a -> IO ()
B.GValue.set_boxed Ptr GValue
gv)
    gvalueGet_ :: Ptr GValue -> IO (Maybe BufferT)
gvalueGet_ Ptr GValue
gv = do
        Ptr BufferT
ptr <- Ptr GValue -> IO (Ptr BufferT)
forall b. Ptr GValue -> IO (Ptr b)
B.GValue.get_boxed Ptr GValue
gv :: IO (Ptr BufferT)
        if Ptr BufferT
ptr Ptr BufferT -> Ptr BufferT -> Bool
forall a. Eq a => a -> a -> Bool
/= Ptr BufferT
forall a. Ptr a
FP.nullPtr
        then BufferT -> Maybe BufferT
forall a. a -> Maybe a
P.Just (BufferT -> Maybe BufferT) -> IO BufferT -> IO (Maybe BufferT)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (ManagedPtr BufferT -> BufferT) -> Ptr BufferT -> IO BufferT
forall a.
(HasCallStack, GBoxed a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
B.ManagedPtr.newBoxed ManagedPtr BufferT -> BufferT
BufferT Ptr BufferT
ptr
        else Maybe BufferT -> IO (Maybe BufferT)
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe BufferT
forall a. Maybe a
P.Nothing
        
    


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

#if defined(ENABLE_OVERLOADING)
type family ResolveBufferTMethod (t :: Symbol) (o :: *) :: * where
    ResolveBufferTMethod l o = O.MethodResolutionFailed l o

instance (info ~ ResolveBufferTMethod t BufferT, O.OverloadedMethod info BufferT p) => OL.IsLabel t (BufferT -> p) where
#if MIN_VERSION_base(4,10,0)
    fromLabel = O.overloadedMethod @info
#else
    fromLabel _ = O.overloadedMethod @info
#endif

#if MIN_VERSION_base(4,13,0)
instance (info ~ ResolveBufferTMethod t BufferT, O.OverloadedMethod info BufferT p, R.HasField t BufferT p) => R.HasField t BufferT p where
    getField = O.overloadedMethod @info

#endif

instance (info ~ ResolveBufferTMethod t BufferT, O.OverloadedMethodInfo info BufferT) => OL.IsLabel t (O.MethodProxy info BufferT) where
#if MIN_VERSION_base(4,10,0)
    fromLabel = O.MethodProxy
#else
    fromLabel _ = O.MethodProxy
#endif

#endif