Copyright	(c) David Himmelstrup 2005
License	BSD-like
Maintainer	lemmih@gmail.com
Stability	provisional
Portability	portable
Safe Haskell	Safe
Language	Haskell98

Graphics.UI.SDL.Utilities

Description

Various small functions which makes the binding process easier.

Documentation

class Enum a b | a -> b where #

Methods

succ :: a -> a #

pred :: a -> a #

toEnum :: b -> a #

fromEnum :: a -> b #

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

Instances

Enum SurfaceFlag Word32 #
Instance details Defined in Graphics.UI.SDL.Types Methods succ :: SurfaceFlag -> SurfaceFlag # pred :: SurfaceFlag -> SurfaceFlag # toEnum :: Word32 -> SurfaceFlag # fromEnum :: SurfaceFlag -> Word32 # enumFromTo :: SurfaceFlag -> SurfaceFlag -> [SurfaceFlag] #
Enum Hat Word8 #
Instance details Defined in Graphics.UI.SDL.Types Methods succ :: Hat -> Hat # pred :: Hat -> Hat # toEnum :: Word8 -> Hat # fromEnum :: Hat -> Word8 # enumFromTo :: Hat -> Hat -> [Hat] #
Enum SDLKey Word32 #
Instance details Defined in Graphics.UI.SDL.Keysym Methods succ :: SDLKey -> SDLKey # pred :: SDLKey -> SDLKey # toEnum :: Word32 -> SDLKey # fromEnum :: SDLKey -> Word32 # enumFromTo :: SDLKey -> SDLKey -> [SDLKey] #
Enum Modifier Word32 #
Instance details Defined in Graphics.UI.SDL.Keysym Methods succ :: Modifier -> Modifier # pred :: Modifier -> Modifier # toEnum :: Word32 -> Modifier # fromEnum :: Modifier -> Word32 # enumFromTo :: Modifier -> Modifier -> [Modifier] #
Enum InitFlag Word32 #
Instance details Defined in Graphics.UI.SDL.General Methods succ :: InitFlag -> InitFlag # pred :: InitFlag -> InitFlag # toEnum :: Word32 -> InitFlag # fromEnum :: InitFlag -> Word32 # enumFromTo :: InitFlag -> InitFlag -> [InitFlag] #
Enum Palette Int #
Instance details Defined in Graphics.UI.SDL.Video Methods succ :: Palette -> Palette # pred :: Palette -> Palette # toEnum :: Int -> Palette # fromEnum :: Palette -> Int # enumFromTo :: Palette -> Palette -> [Palette] #
Enum Focus Word8 #
Instance details Defined in Graphics.UI.SDL.Events Methods succ :: Focus -> Focus # pred :: Focus -> Focus # toEnum :: Word8 -> Focus # fromEnum :: Focus -> Word8 # enumFromTo :: Focus -> Focus -> [Focus] #
Enum MouseButton Word8 #
Instance details Defined in Graphics.UI.SDL.Events 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 #