{- | Copyright : Will Thompson, Iñaki García Etxebarria and Jonas Platte License : LGPL-2.1 Maintainer : Iñaki García Etxebarria (garetxe@gmail.com) The `GSourceCallbackFuncs` struct contains functions for managing callback objects. -} module GI.GLib.Structs.SourceCallbackFuncs ( -- * Exported types SourceCallbackFuncs(..) , newZeroSourceCallbackFuncs , noSourceCallbackFuncs , ) where import Prelude () import Data.GI.Base.ShortPrelude import qualified Data.Text as T import qualified Data.ByteString.Char8 as B import qualified Data.Map as Map import GI.GLib.Types import GI.GLib.Callbacks newtype SourceCallbackFuncs = SourceCallbackFuncs (ForeignPtr SourceCallbackFuncs) -- | Construct a `SourceCallbackFuncs` struct initialized to zero. newZeroSourceCallbackFuncs :: MonadIO m => m SourceCallbackFuncs newZeroSourceCallbackFuncs = liftIO $ callocBytes 24 >>= wrapPtr SourceCallbackFuncs noSourceCallbackFuncs :: Maybe SourceCallbackFuncs noSourceCallbackFuncs = Nothing -- XXX Skipped getter for "SourceCallbackFuncs:ref" :: Not implemented: "Wrapping foreign callbacks is not supported yet" -- XXX Skipped getter for "SourceCallbackFuncs:unref" :: Not implemented: "Wrapping foreign callbacks is not supported yet" type family ResolveSourceCallbackFuncsMethod (t :: Symbol) (o :: *) :: * where ResolveSourceCallbackFuncsMethod l o = MethodResolutionFailed l o instance (info ~ ResolveSourceCallbackFuncsMethod t SourceCallbackFuncs, MethodInfo info SourceCallbackFuncs p) => IsLabelProxy t (SourceCallbackFuncs -> p) where fromLabelProxy _ = overloadedMethod (MethodProxy :: MethodProxy info) #if MIN_VERSION_base(4,9,0) instance (info ~ ResolveSourceCallbackFuncsMethod t SourceCallbackFuncs, MethodInfo info SourceCallbackFuncs p) => IsLabel t (SourceCallbackFuncs -> p) where fromLabel _ = overloadedMethod (MethodProxy :: MethodProxy info) #endif