Hook.hs

{- |
Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License    : LGPL-2.1
Maintainer : Iñaki García Etxebarria (garetxe@gmail.com)

The #GHook struct represents a single hook function in a #GHookList.
-}

module GI.GLib.Structs.Hook
    ( 

-- * Exported types
    Hook(..)                                ,
    noHook                                  ,


 -- * Methods
-- ** hookCompareIds
    hookCompareIds                          ,




 -- * Properties
-- ** Data
    hookReadData                            ,


-- ** Flags
    hookReadFlags                           ,


-- ** Func
    hookReadFunc                            ,


-- ** HookId
    hookReadHookId                          ,


-- ** Next
    hookReadNext                            ,


-- ** Prev
    hookReadPrev                            ,


-- ** RefCount
    hookReadRefCount                        ,




    ) 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 Hook = Hook (ForeignPtr Hook)
noHook :: Maybe Hook
noHook = Nothing

hookReadData :: Hook -> IO (Ptr ())
hookReadData s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 0) :: IO (Ptr ())
    return val

hookReadNext :: Hook -> IO Hook
hookReadNext s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 8) :: IO (Ptr Hook)
    val' <- (newPtr 64 Hook) val
    return val'

hookReadPrev :: Hook -> IO Hook
hookReadPrev s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 16) :: IO (Ptr Hook)
    val' <- (newPtr 64 Hook) val
    return val'

hookReadRefCount :: Hook -> IO Word32
hookReadRefCount s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 24) :: IO Word32
    return val

hookReadHookId :: Hook -> IO Word64
hookReadHookId s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 32) :: IO Word64
    return val

hookReadFlags :: Hook -> IO Word32
hookReadFlags s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 40) :: IO Word32
    return val

hookReadFunc :: Hook -> IO (Ptr ())
hookReadFunc s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 48) :: IO (Ptr ())
    return val

-- XXX Skipped getter for "Hook:destroy" :: Not implemented: "Wrapping foreign callbacks is not supported yet"

-- method Hook::compare_ids
-- method type : OrdinaryMethod
-- Args : [Arg {argName = "_obj", argType = TInterface "GLib" "Hook", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing},Arg {argName = "sibling", argType = TInterface "GLib" "Hook", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}]
-- Lengths : []
-- hInArgs : [Arg {argName = "_obj", argType = TInterface "GLib" "Hook", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing},Arg {argName = "sibling", argType = TInterface "GLib" "Hook", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}]
-- returnType : TBasicType TInt32
-- throws : False
-- Skip return : False

foreign import ccall "g_hook_compare_ids" g_hook_compare_ids :: 
    Ptr Hook ->                             -- _obj : TInterface "GLib" "Hook"
    Ptr Hook ->                             -- sibling : TInterface "GLib" "Hook"
    IO Int32


hookCompareIds ::
    (MonadIO m) =>
    Hook ->                                 -- _obj
    Hook ->                                 -- sibling
    m Int32
hookCompareIds _obj sibling = liftIO $ do
    let _obj' = unsafeManagedPtrGetPtr _obj
    let sibling' = unsafeManagedPtrGetPtr sibling
    result <- g_hook_compare_ids _obj' sibling'
    touchManagedPtr _obj
    touchManagedPtr sibling
    return result