Graphics.UI.SDL.Utilities

Various small functions which makes the binding process easier.

Documentation

class Enum a b | a -> b where

Minimal complete definition

succ, pred, toEnum, fromEnum, enumFromTo

Methods

succ :: a -> a

pred :: a -> a

toEnum :: b -> a

fromEnum :: a -> b

enumFromTo :: a -> a -> [a]

Instances

Enum SDLKey Word32

Methods

succ :: SDLKey -> SDLKey

pred :: SDLKey -> SDLKey

toEnum :: Word32 -> SDLKey

fromEnum :: SDLKey -> Word32

enumFromTo :: SDLKey -> SDLKey -> [SDLKey]

Enum Modifier Word32

Methods

succ :: Modifier -> Modifier

pred :: Modifier -> Modifier

toEnum :: Word32 -> Modifier

fromEnum :: Modifier -> Word32

enumFromTo :: Modifier -> Modifier -> [Modifier]

Enum InitFlag Word32

Methods

succ :: InitFlag -> InitFlag

pred :: InitFlag -> InitFlag

toEnum :: Word32 -> InitFlag

fromEnum :: InitFlag -> Word32

enumFromTo :: InitFlag -> InitFlag -> [InitFlag]

Enum SurfaceFlag Word32

Methods

succ :: SurfaceFlag -> SurfaceFlag

pred :: SurfaceFlag -> SurfaceFlag

toEnum :: Word32 -> SurfaceFlag

fromEnum :: SurfaceFlag -> Word32

enumFromTo :: SurfaceFlag -> SurfaceFlag -> [SurfaceFlag]

Enum Hat Word8

Methods

succ :: Hat -> Hat

pred :: Hat -> Hat

toEnum :: Word8 -> Hat

fromEnum :: Hat -> Word8

enumFromTo :: Hat -> Hat -> [Hat]

Enum Palette Int

Methods

succ :: Palette -> Palette

pred :: Palette -> Palette

toEnum :: Int -> Palette

fromEnum :: Palette -> Int

enumFromTo :: Palette -> Palette -> [Palette]

Enum Focus Word8

Methods

succ :: Focus -> Focus

pred :: Focus -> Focus

toEnum :: Word8 -> Focus

fromEnum :: Focus -> Word8

enumFromTo :: Focus -> Focus -> [Focus]

Enum MouseButton Word8

Methods

succ :: MouseButton -> MouseButton

pred :: MouseButton -> MouseButton

toEnum :: Word8 -> MouseButton

fromEnum :: MouseButton -> Word8

enumFromTo :: MouseButton -> MouseButton -> [MouseButton]

intToBool :: Int -> IO Int -> IO Bool

toBitmask :: (Enum a b, Bits b, Num b) => [a] -> b

fromBitmask :: (Bounded a, Enum a b, Bits b, Num b) => b -> [a]

fromCInt :: Num a => CInt -> a

toCInt :: Int -> CInt