Util.Broadcaster

A BroadcasterSimpleBroadcaster is a variable SourceSimpleSource paired with its update function

Documentation

data GeneralBroadcaster x d

Instances

HasSource (GeneralBroadcaster x d) x d

data Broadcaster x d

Instances

HasSource (Broadcaster x d) x d

BroadcasterClass (Broadcaster x d) (x, [d])

data SimpleBroadcaster x

Instances

HasSimpleSource (SimpleBroadcaster x) x

BroadcasterClass (SimpleBroadcaster x) x

HasSource (SimpleBroadcaster x) x x

newBroadcaster :: x -> IO (Broadcaster x d)

newSimpleBroadcaster :: x -> IO (SimpleBroadcaster x)

newGeneralBroadcaster :: x -> IO (GeneralBroadcaster x d)

class BroadcasterClass broadcaster value | broadcaster -> value where

Methods

broadcast :: broadcaster -> value -> IO ()

Instances

BroadcasterClass (SimpleBroadcaster x) x

BroadcasterClass (Broadcaster x d) (x, [d])

applySimpleUpdate :: SimpleBroadcaster x -> (x -> x) -> IO ()

applySimpleUpdate' :: SimpleBroadcaster x -> (x -> (x, y)) -> IO y

applyUpdate :: Broadcaster x d -> (x -> (x, [d])) -> IO ()

applyGeneralUpdate :: GeneralBroadcaster x d -> (x -> (x, [d], extra)) -> IO extra

switchOffSimpleSource :: SimpleSource a -> IO (SimpleSource a, IO (IO ()))

Replace a SimpleSource by another which comes with a switch-off function, which temporarily blocks further updates. The action returned by the switch-off function switches the source back on again.

mirrorSimpleSource :: SimpleSource a -> IO (SimpleSource a, IO ())

Replace a SimpleSource by another which mirrors it, but only copies from it once, hopefully saving CPU time. The IO action stops the mirroring.

mirrorSimpleSourceWithDelayer :: Delayer -> SimpleSource a -> IO (SimpleSource a, IO ())

Replace a SimpleSource by another which mirrors it, but only copies from it once, hopefully saving CPU time. In addition, block all update while the Delayer is delaying things.