{-# LANGUAGE TypeApplications #-}


-- | Copyright  : Will Thompson and Iñaki García Etxebarria
-- License    : LGPL-2.1
-- Maintainer : Iñaki García Etxebarria
-- 
-- Glyph draw callbacks.
-- 
-- t'GI.HarfBuzz.Callbacks.DrawMoveToFuncT', t'GI.HarfBuzz.Callbacks.DrawLineToFuncT' and
-- t'GI.HarfBuzz.Callbacks.DrawCubicToFuncT' calls are necessary to be defined but we translate
-- t'GI.HarfBuzz.Callbacks.DrawQuadraticToFuncT' calls to t'GI.HarfBuzz.Callbacks.DrawCubicToFuncT' if the
-- callback isn\'t defined.
-- 
-- /Since: 4.0.0/

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

module GI.HarfBuzz.Structs.DrawFuncsT
    ( 

-- * Exported types
    DrawFuncsT(..)                          ,


 -- * Methods

#if defined(ENABLE_OVERLOADING)
    ResolveDrawFuncsTMethod                 ,
#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 DrawFuncsT = DrawFuncsT (SP.ManagedPtr DrawFuncsT)
    deriving (DrawFuncsT -> DrawFuncsT -> Bool
(DrawFuncsT -> DrawFuncsT -> Bool)
-> (DrawFuncsT -> DrawFuncsT -> Bool) -> Eq DrawFuncsT
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: DrawFuncsT -> DrawFuncsT -> Bool
== :: DrawFuncsT -> DrawFuncsT -> Bool
$c/= :: DrawFuncsT -> DrawFuncsT -> Bool
/= :: DrawFuncsT -> DrawFuncsT -> Bool
Eq)

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

foreign import ccall "hb_gobject_draw_funcs_get_type" c_hb_gobject_draw_funcs_get_type :: 
    IO GType

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

instance B.Types.TypedObject DrawFuncsT where
    glibType :: IO GType
glibType = IO GType
c_hb_gobject_draw_funcs_get_type

instance B.Types.GBoxed DrawFuncsT

-- | Convert 'DrawFuncsT' 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 DrawFuncsT) where
    gvalueGType_ :: IO GType
gvalueGType_ = IO GType
c_hb_gobject_draw_funcs_get_type
    gvalueSet_ :: Ptr GValue -> Maybe DrawFuncsT -> IO ()
gvalueSet_ Ptr GValue
gv Maybe DrawFuncsT
P.Nothing = Ptr GValue -> Ptr DrawFuncsT -> IO ()
forall a. Ptr GValue -> Ptr a -> IO ()
B.GValue.set_boxed Ptr GValue
gv (Ptr DrawFuncsT
forall a. Ptr a
FP.nullPtr :: FP.Ptr DrawFuncsT)
    gvalueSet_ Ptr GValue
gv (P.Just DrawFuncsT
obj) = DrawFuncsT -> (Ptr DrawFuncsT -> IO ()) -> IO ()
forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
B.ManagedPtr.withManagedPtr DrawFuncsT
obj (Ptr GValue -> Ptr DrawFuncsT -> IO ()
forall a. Ptr GValue -> Ptr a -> IO ()
B.GValue.set_boxed Ptr GValue
gv)
    gvalueGet_ :: Ptr GValue -> IO (Maybe DrawFuncsT)
gvalueGet_ Ptr GValue
gv = do
        Ptr DrawFuncsT
ptr <- Ptr GValue -> IO (Ptr DrawFuncsT)
forall b. Ptr GValue -> IO (Ptr b)
B.GValue.get_boxed Ptr GValue
gv :: IO (Ptr DrawFuncsT)
        if Ptr DrawFuncsT
ptr Ptr DrawFuncsT -> Ptr DrawFuncsT -> Bool
forall a. Eq a => a -> a -> Bool
/= Ptr DrawFuncsT
forall a. Ptr a
FP.nullPtr
        then DrawFuncsT -> Maybe DrawFuncsT
forall a. a -> Maybe a
P.Just (DrawFuncsT -> Maybe DrawFuncsT)
-> IO DrawFuncsT -> IO (Maybe DrawFuncsT)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (ManagedPtr DrawFuncsT -> DrawFuncsT)
-> Ptr DrawFuncsT -> IO DrawFuncsT
forall a.
(HasCallStack, GBoxed a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
B.ManagedPtr.newBoxed ManagedPtr DrawFuncsT -> DrawFuncsT
DrawFuncsT Ptr DrawFuncsT
ptr
        else Maybe DrawFuncsT -> IO (Maybe DrawFuncsT)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe DrawFuncsT
forall a. Maybe a
P.Nothing
        
    


#if defined(ENABLE_OVERLOADING)
instance O.HasAttributeList DrawFuncsT
type instance O.AttributeList DrawFuncsT = DrawFuncsTAttributeList
type DrawFuncsTAttributeList = ('[ ] :: [(Symbol, DK.Type)])
#endif

#if defined(ENABLE_OVERLOADING)
type family ResolveDrawFuncsTMethod (t :: Symbol) (o :: DK.Type) :: DK.Type where
    ResolveDrawFuncsTMethod l o = O.MethodResolutionFailed l o

instance (info ~ ResolveDrawFuncsTMethod t DrawFuncsT, O.OverloadedMethod info DrawFuncsT p) => OL.IsLabel t (DrawFuncsT -> 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 ~ ResolveDrawFuncsTMethod t DrawFuncsT, O.OverloadedMethod info DrawFuncsT p, R.HasField t DrawFuncsT p) => R.HasField t DrawFuncsT p where
    getField = O.overloadedMethod @info

#endif

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

#endif