Reactive.Banana.SDL.Util

Functions on events

Documentation

addHandler :: EventSource a -> AddHandler a

get the AddHandler from a EventSource

fire :: EventSource a -> a -> IO ()

fire the event from an Event Source

sdlEvent :: Frameworks t => SDLEventSource -> Moment t (WrappedEvent t)

SDL event

tickEvent :: Frameworks t => SDLEventSource -> Moment t (TickEvent t)

SDL tick

tickDiffEvent :: Frameworks t => SDLEventSource -> Moment t (TickEvent t)

event carrying the difference between the last two SDL ticks

keyEvent :: WrappedEvent t -> WrappedEvent t

filter any key events

keyDownEvent :: WrappedEvent t -> Event t Keysym

event carrying the key pressed down

keyUpEvent :: WrappedEvent t -> Event t Keysym

event carrying the key pressed up

mouseEvent :: WrappedEvent t -> WrappedEvent t

filter any mouse event (button or move)

mouseButtonEvent :: WrappedEvent t -> WrappedEvent t

mouse button event

filterEq :: Eq a => Event t a -> Event t a

keyFilter :: SDLKey -> Event -> Bool

filter an event on a particular key being held down

keyUpFilter :: SDLKey -> Event -> Bool

filter an event on a particular key being released

mouseEventWithin :: Rect -> WrappedEvent t -> WrappedEvent t

mouse event occuring inside a given area

keyPressed :: SDLKey -> WrappedEvent t -> WrappedEvent t

fires when the given key is pressed (down + up)

buttonClick :: MouseButton -> WrappedEvent t -> WrappedEvent t

fires when the specific button if clicked (down and up)

whileM :: IO Bool -> IO ()

run while the given computation returns True

successive :: (a -> a -> Maybe b) -> Event t a -> Event t b

filter if the function on two successive as return a Just value