Graphics.UI.FLTK.LowLevel.Utils

Documentation

mkWidgetCallbackPtr :: CallbackWithUserDataPrim -> IO (FunPtr CallbackWithUserDataPrim)

mkCallbackPtr :: CallbackPrim -> IO (FunPtr CallbackPrim)

mkColorAverageCallbackPtr :: ColorAverageCallbackPrim -> IO (FunPtr ColorAverageCallbackPrim)

mkGlobalEventHandlerPtr :: GlobalEventHandlerPrim -> IO (FunPtr GlobalEventHandlerPrim)

mkDrawCallbackPrimPtr :: DrawCallbackPrim -> IO (FunPtr DrawCallbackPrim)

mkImageDrawCallbackPrimPtr :: ImageDrawCallbackPrim -> IO (FunPtr ImageDrawCallbackPrim)

mkImageCopyCallbackPrimPtr :: ImageCopyCallbackPrim -> IO (FunPtr ImageCopyCallbackPrim)

mkUnfinishedStyleCbPrim :: UnfinishedStyleCbPrim -> IO (FunPtr UnfinishedStyleCbPrim)

mkFinalizer :: (Ptr a -> IO ()) -> IO (FinalizerPtr a)

mkFinalizerEnv :: (Ptr env -> Ptr a -> IO ()) -> IO (FinalizerEnvPtr env a)

wrapBoxDrawFPrim :: BoxDrawFPrim -> IO (FunPtr BoxDrawFPrim)

unwrapGlobalCallbackPtr :: FunPtr GlobalCallback -> GlobalCallback

unwrapBoxDrawFPrim :: FunPtr BoxDrawFPrim -> BoxDrawFPrim

mkTextModifyCb :: TextModifyCbPrim -> IO (FunPtr TextModifyCbPrim)

mkTextPredeleteCb :: TextPredeleteCbPrim -> IO (FunPtr TextPredeleteCbPrim)

toCallbackPrim :: (Ref a -> IO ()) -> IO (FunPtr (Ptr () -> IO ()))

toCallbackPrimWithUserData :: (Ref a -> IO ()) -> IO (FunPtr (Ptr () -> Ptr () -> IO ()))

cFromEnum :: (Enum a, Integral b) => a -> b

cToEnum :: (Integral b, Enum a) => b -> a

cToBool :: (Eq a, Num a, Ord a) => a -> Bool

cFromBool :: (Eq a, Num a) => Bool -> a

toFunPtr :: (a -> FunPtr a) -> a -> FunPtr a

extract :: Enum a => [a] -> CInt -> [a]

combine :: (Enum a, Ord a) => [a] -> Int

masks :: CInt -> CInt -> Bool

keySequenceToCInt :: [EventState] -> KeyType -> CInt

cIntToKeySequence :: CInt -> Maybe ShortcutKeySequence

wrapNonNull :: Ptr a -> String -> IO (ForeignPtr (Ptr a))

toGlobalEventHandlerPrim :: GlobalEventHandlerF -> IO (FunPtr GlobalEventHandlerPrim)

toGlobalCallbackPrim :: GlobalCallback -> IO (FunPtr CallbackPrim)

toDrawCallback :: DrawCallback -> IO (FunPtr DrawCallbackPrim)

toBoxDrawF :: BoxDrawFPrim -> BoxDrawF

toBoxDrawFPrim :: BoxDrawF -> BoxDrawFPrim

toTextModifyCbPrim :: TextModifyCb -> IO (FunPtr TextModifyCbPrim)

toTextPredeleteCbPrim :: TextPredeleteCb -> IO (FunPtr TextPredeleteCbPrim)

toUnfinishedStyleCbPrim :: UnfinishedStyleCb -> IO (FunPtr UnfinishedStyleCbPrim)

orNullFunPtr :: (a -> IO (FunPtr b)) -> Maybe a -> IO (FunPtr b)

arrayToRefs :: Ptr (Ptr ()) -> Int -> IO [Ref a]

staticArrayToRefs :: Ptr () -> Int -> IO [Ref a]

refOrError :: String -> Ptr () -> IO (Ref b)

toShortcut :: [KeyType] -> FlShortcut

cToKeyType :: CInt -> KeyType

cFromKeyType :: KeyType -> CInt

toRef :: Ptr () -> IO (Ref a)

unsafeToRef :: Ptr () -> Ref a

unsafeToMaybeRef :: Ptr () -> Maybe (Ref a)

unsafeToCString :: String -> CString

unsafeFromCString :: CString -> String

toMaybeRef :: Ptr () -> IO (Maybe (Ref a))

supressWarningAboutRes :: a -> ()

foldl1WithDefault :: a -> (a -> a -> a) -> [a] -> a

integralToMaybe :: (Integral a, Integral b) => a -> Maybe b

countDirectionToCChar :: CountDirection -> CChar

ccharToCountDirection :: CChar -> CountDirection

oneKb :: Int

alignmentsToInt :: Alignments -> Int

intToAlignments :: Int -> Alignments

menuItemFlagsToInt :: MenuItemFlags -> Int

intToMenuItemFlags :: Int -> Maybe MenuItemFlags

withByteStrings :: [ByteString] -> (Ptr (Ptr CChar) -> IO a) -> IO a

withPixmap :: PixmapHs -> (Ptr (Ptr CChar) -> IO a) -> IO a

withBitmap :: BitmapHs -> (Ptr CChar -> Int -> Int -> IO a) -> IO a

withStrings :: [String] -> (Ptr (Ptr CChar) -> IO a) -> IO a