Safe Haskell	None
Language	Haskell2010

Graphics.UI.FLTK.LowLevel.Utils

Documentation

mkWidgetCallbackPtr :: CallbackWithUserDataPrim -> IO (FunPtr CallbackWithUserDataPrim) Source

mkCallbackPtr :: CallbackPrim -> IO (FunPtr CallbackPrim) Source

mkColorAverageCallbackPtr :: ColorAverageCallbackPrim -> IO (FunPtr ColorAverageCallbackPrim) Source

mkGlobalEventHandlerPtr :: GlobalEventHandlerPrim -> IO (FunPtr GlobalEventHandlerPrim) Source

mkDrawCallbackPrimPtr :: DrawCallbackPrim -> IO (FunPtr DrawCallbackPrim) Source

mkImageDrawCallbackPrimPtr :: ImageDrawCallbackPrim -> IO (FunPtr ImageDrawCallbackPrim) Source

mkImageCopyCallbackPrimPtr :: ImageCopyCallbackPrim -> IO (FunPtr ImageCopyCallbackPrim) Source

mkUnfinishedStyleCbPrim :: UnfinishedStyleCbPrim -> IO (FunPtr UnfinishedStyleCbPrim) Source

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

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

wrapBoxDrawFPrim :: BoxDrawFPrim -> IO (FunPtr BoxDrawFPrim) Source

unwrapGlobalCallbackPtr :: FunPtr GlobalCallback -> GlobalCallback Source

unwrapBoxDrawFPrim :: FunPtr BoxDrawFPrim -> BoxDrawFPrim Source

mkTextModifyCb :: TextModifyCbPrim -> IO (FunPtr TextModifyCbPrim) Source

mkTextPredeleteCb :: TextPredeleteCbPrim -> IO (FunPtr TextPredeleteCbPrim) Source

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

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

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

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

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

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

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

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

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

masks :: CInt -> CInt -> Bool Source

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

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

toGlobalEventHandlerPrim :: GlobalEventHandlerF -> IO (FunPtr GlobalEventHandlerPrim) Source

toGlobalCallbackPrim :: GlobalCallback -> IO (FunPtr CallbackPrim) Source

toDrawCallback :: DrawCallback -> IO (FunPtr DrawCallbackPrim) Source

toBoxDrawF :: BoxDrawFPrim -> BoxDrawF Source

toBoxDrawFPrim :: BoxDrawF -> BoxDrawFPrim Source

toTextModifyCbPrim :: TextModifyCb -> IO (FunPtr TextModifyCbPrim) Source

toTextPredeleteCbPrim :: TextPredeleteCb -> IO (FunPtr TextPredeleteCbPrim) Source

toUnfinishedStyleCbPrim :: UnfinishedStyleCb -> IO (FunPtr UnfinishedStyleCbPrim) Source

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

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

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

toShortcut :: [KeyType] -> FlShortcut Source

cToKeyType :: CInt -> KeyType Source

cFromKeyType :: KeyType -> CInt Source

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

unsafeToRef :: Ptr () -> Ref a Source

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

supressWarningAboutRes :: a -> () Source

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

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

countDirectionToCChar :: CountDirection -> CChar Source

ccharToCountDirection :: CChar -> CountDirection Source

oneKb :: Int Source

alignmentsToInt :: Alignments -> Int Source

intToAlignments :: Int -> Alignments Source

menuItemFlagsToInt :: MenuItemFlags -> Int Source

intToMenuItemFlags :: Int -> MenuItemFlags Source

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

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

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

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