{-# LANGUAGE TypeApplications #-}
#if (MIN_VERSION_haskell_gi_overloading(1,0,0) && !defined(__HADDOCK_VERSION__))
#define ENABLE_OVERLOADING
#endif
module GI.Cairo.Structs.Context
(
Context(..) ,
#if defined(ENABLE_OVERLOADING)
ResolveContextMethod ,
#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
import qualified Data.Word as DW
import qualified Data.Int as DI
import qualified System.Posix.Types as SPT
import qualified Foreign.C.Types as FCT
#if MIN_VERSION_base(4,18,0)
#else
#endif
newtype Context = Context (SP.ManagedPtr Context)
deriving (Context -> Context -> Bool
(Context -> Context -> Bool)
-> (Context -> Context -> Bool) -> Eq Context
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: Context -> Context -> Bool
== :: Context -> Context -> Bool
$c/= :: Context -> Context -> Bool
/= :: Context -> Context -> Bool
Eq)
instance SP.ManagedPtrNewtype Context where
toManagedPtr :: Context -> ManagedPtr Context
toManagedPtr (Context ManagedPtr Context
p) = ManagedPtr Context
p
foreign import ccall "cairo_gobject_context_get_type" c_cairo_gobject_context_get_type ::
IO GType
type instance O.ParentTypes Context = '[]
instance O.HasParentTypes Context
instance B.Types.TypedObject Context where
glibType :: IO GType
glibType = IO GType
c_cairo_gobject_context_get_type
instance B.Types.GBoxed Context
instance B.GValue.IsGValue (Maybe Context) where
gvalueGType_ :: IO GType
gvalueGType_ = IO GType
c_cairo_gobject_context_get_type
gvalueSet_ :: Ptr GValue -> Maybe Context -> IO ()
gvalueSet_ Ptr GValue
gv Maybe Context
P.Nothing = Ptr GValue -> Ptr Context -> IO ()
forall a. Ptr GValue -> Ptr a -> IO ()
B.GValue.set_boxed Ptr GValue
gv (Ptr Context
forall a. Ptr a
FP.nullPtr :: FP.Ptr Context)
gvalueSet_ Ptr GValue
gv (P.Just Context
obj) = Context -> (Ptr Context -> IO ()) -> IO ()
forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
B.ManagedPtr.withManagedPtr Context
obj (Ptr GValue -> Ptr Context -> IO ()
forall a. Ptr GValue -> Ptr a -> IO ()
B.GValue.set_boxed Ptr GValue
gv)
gvalueGet_ :: Ptr GValue -> IO (Maybe Context)
gvalueGet_ Ptr GValue
gv = do
Ptr Context
ptr <- Ptr GValue -> IO (Ptr Context)
forall b. Ptr GValue -> IO (Ptr b)
B.GValue.get_boxed Ptr GValue
gv :: IO (Ptr Context)
if Ptr Context
ptr Ptr Context -> Ptr Context -> Bool
forall a. Eq a => a -> a -> Bool
/= Ptr Context
forall a. Ptr a
FP.nullPtr
then Context -> Maybe Context
forall a. a -> Maybe a
P.Just (Context -> Maybe Context) -> IO Context -> IO (Maybe Context)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (ManagedPtr Context -> Context) -> Ptr Context -> IO Context
forall a.
(HasCallStack, GBoxed a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
B.ManagedPtr.newBoxed ManagedPtr Context -> Context
Context Ptr Context
ptr
else Maybe Context -> IO (Maybe Context)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe Context
forall a. Maybe a
P.Nothing
#if defined(ENABLE_OVERLOADING)
instance O.HasAttributeList Context
type instance O.AttributeList Context = ContextAttributeList
type ContextAttributeList = ('[ ] :: [(Symbol, DK.Type)])
#endif
#if defined(ENABLE_OVERLOADING)
type family ResolveContextMethod (t :: Symbol) (o :: DK.Type) :: DK.Type where
ResolveContextMethod l o = O.MethodResolutionFailed l o
instance (info ~ ResolveContextMethod t Context, O.OverloadedMethod info Context p) => OL.IsLabel t (Context -> 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 ~ ResolveContextMethod t Context, O.OverloadedMethod info Context p, R.HasField t Context p) => R.HasField t Context p where
getField = O.overloadedMethod @info
#endif
instance (info ~ ResolveContextMethod t Context, O.OverloadedMethodInfo info Context) => OL.IsLabel t (O.MethodProxy info Context) where
#if MIN_VERSION_base(4,10,0)
fromLabel = O.MethodProxy
#else
fromLabel _ = O.MethodProxy
#endif
#endif