{- | Copyright : Will Thompson, Iñaki García Etxebarria and Jonas Platte License : LGPL-2.1 Maintainer : Iñaki García Etxebarria (inaki@blueleaf.cc) /No description available in the introspection data./ -} #define ENABLE_OVERLOADING (MIN_VERSION_haskell_gi_overloading(1,0,0) \ && !defined(__HADDOCK_VERSION__)) module GI.Cairo.Structs.Context ( -- * Exported types Context(..) , noContext , ) 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.ManagedPtr as B.ManagedPtr 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.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 Context = Context (ManagedPtr Context) foreign import ccall "cairo_gobject_context_get_type" c_cairo_gobject_context_get_type :: IO GType instance BoxedObject Context where boxedType _ = c_cairo_gobject_context_get_type -- | A convenience alias for `Nothing` :: `Maybe` `Context`. noContext :: Maybe Context noContext = Nothing #if ENABLE_OVERLOADING instance O.HasAttributeList Context type instance O.AttributeList Context = ContextAttributeList type ContextAttributeList = ('[ ] :: [(Symbol, *)]) #endif #if ENABLE_OVERLOADING type family ResolveContextMethod (t :: Symbol) (o :: *) :: * where ResolveContextMethod l o = O.MethodResolutionFailed l o instance (info ~ ResolveContextMethod t Context, O.MethodInfo info Context p) => OL.IsLabel t (Context -> p) where #if MIN_VERSION_base(4,10,0) fromLabel = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info) #else fromLabel _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info) #endif #endif