    {-# LANGUAGE TypeApplications #-}

    -- | Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
    -- 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 !defined(__HADDOCK_VERSION__)
    #define ENABLE_OVERLOADING
    #endif

    module GI.HarfBuzz.Structs.BufferT
        (

    -- * Exported types
        BufferT(..)                             ,

     -- * Methods
    -- ** Overloaded methods #method:Overloaded 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.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

    -- | 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 p :: 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' with 'Data.GI.Base.GValue.toGValue' and 'Data.GI.Base.GValue.fromGValue'.
    instance B.GValue.IsGValue BufferT where
        toGValue :: BufferT -> IO GValue
    toGValue o :: BufferT
    o = do
            GType
    gtype <- IO GType
    c_hb_gobject_buffer_get_type
            BufferT -> (Ptr BufferT -> IO GValue) -> IO GValue
    forall a c.
    (HasCallStack, ManagedPtrNewtype a) =>
    a -> (Ptr a -> IO c) -> IO c
    B.ManagedPtr.withManagedPtr BufferT
    o (GType
    -> (GValue -> Ptr BufferT -> IO ()) -> Ptr BufferT -> IO GValue
    forall a. GType -> (GValue -> a -> IO ()) -> a -> IO GValue
    B.GValue.buildGValue GType
    gtype GValue -> Ptr BufferT -> IO ()
    forall a. GValue -> Ptr a -> IO ()
    B.GValue.set_boxed)

        fromGValue :: GValue -> IO BufferT
    fromGValue gv :: GValue
    gv = do
            Ptr BufferT
    ptr <- GValue -> IO (Ptr BufferT)
    forall b. GValue -> IO (Ptr b)
    B.GValue.get_boxed GValue
    gv :: IO (Ptr BufferT)
            (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

    #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.MethodInfo 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

    #endif