    {-# 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 !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.GHashTable as B.GHT
    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.Kind as DK
    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
    $c== :: BufferT -> BufferT -> Bool
    == :: BufferT -> BufferT -> Bool
    $c/= :: BufferT -> BufferT -> Bool
    /= :: 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 a. a -> IO a
    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, DK.Type)])
    #endif

    #if defined(ENABLE_OVERLOADING)
    type family ResolveBufferTMethod (t :: Symbol) (o :: DK.Type) :: DK.Type 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