AccelKey.hs


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

module GI.Gtk.Structs.AccelKey
    ( 

-- * Exported types
    AccelKey(..)                            ,
    newZeroAccelKey                         ,
    noAccelKey                              ,


 -- * Properties
-- ** AccelFlags
    accelKeyReadAccelFlags                  ,


-- ** AccelKey
    accelKeyReadAccelKey                    ,


-- ** AccelMods
    accelKeyReadAccelMods                   ,




    ) 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.Gtk.Types
import GI.Gtk.Callbacks
import qualified GI.Gdk as Gdk

newtype AccelKey = AccelKey (ForeignPtr AccelKey)
-- | Construct a `AccelKey` struct initialized to zero.
newZeroAccelKey :: MonadIO m => m AccelKey
newZeroAccelKey = liftIO $ callocBytes 12 >>= wrapPtr AccelKey

noAccelKey :: Maybe AccelKey
noAccelKey = Nothing

accelKeyReadAccelKey :: AccelKey -> IO Word32
accelKeyReadAccelKey s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 0) :: IO Word32
    return val

accelKeyReadAccelMods :: AccelKey -> IO [Gdk.ModifierType]
accelKeyReadAccelMods s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 4) :: IO CUInt
    let val' = wordToGFlags val
    return val'

accelKeyReadAccelFlags :: AccelKey -> IO Word32
accelKeyReadAccelFlags s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 8) :: IO Word32
    return val

type family ResolveAccelKeyMethod (t :: Symbol) (o :: *) :: * where
    ResolveAccelKeyMethod l o = MethodResolutionFailed l o

instance (info ~ ResolveAccelKeyMethod t AccelKey, MethodInfo info AccelKey p) => IsLabelProxy t (AccelKey -> p) where
    fromLabelProxy _ = overloadedMethod (MethodProxy :: MethodProxy info)

#if MIN_VERSION_base(4,9,0)
instance (info ~ ResolveAccelKeyMethod t AccelKey, MethodInfo info AccelKey p) => IsLabel t (AccelKey -> p) where
    fromLabel _ = overloadedMethod (MethodProxy :: MethodProxy info)
#endif