Reactive.Banana.SDL2.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 :: SDLEventSource -> MomentIO WrappedEvent

SDL event

tickEvent :: SDLEventSource -> MomentIO TickEvent

SDL tick

keyEvent :: WrappedEvent -> WrappedEvent

filter any key events

keyDownEvent :: WrappedEvent -> Event Keysym

event carrying the key pressed down

keyUpEvent :: WrappedEvent -> Event Keysym

event carrying the key pressed up

mouseEvent :: WrappedEvent -> WrappedEvent

filter any mouse event (button or move)

mouseButtonEvent :: WrappedEvent -> WrappedEvent

mouse button event

keyFilter :: Keycode -> EventPayload -> Bool

filter an event on a particular key being held down

keyUpFilter :: Keycode -> EventPayload -> Bool

filter an event on a particular key being released

mouseEventWithin :: Rect -> WrappedEvent -> WrappedEvent

mouse event occuring inside a given area

tickDiffEvent :: SDLEventSource -> MomentIO TickEvent

event carrying the difference between the last two SDL ticks

whileM :: IO Bool -> IO ()

run while the given computation returns True

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