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This commit is contained in:
Jonathan Daugherty 2020-03-03 09:23:49 -08:00
parent 092cca91ca
commit b7861b38a5

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@ -79,26 +79,27 @@ import Data.Semigroup ((<>))
-- 5. Shutdown vty.
--
-- Operations on Vty handles are not thread-safe.
data Vty = Vty
{ -- | Outputs the given 'Picture'.
update :: Picture -> IO ()
-- | Return the next 'Event' or block until one becomes available.
data Vty =
Vty { update :: Picture -> IO ()
-- ^ Outputs the given 'Picture'.
, nextEvent :: IO Event
-- | Non-blocking version of 'nextEvent'.
-- ^ Return the next 'Event' or block until one becomes
-- available.
, nextEventNonblocking :: IO (Maybe Event)
-- | The input interface. See 'Input'.
-- ^ Non-blocking version of 'nextEvent'.
, inputIface :: Input
-- | The output interface. See 'Output'.
-- ^ The input interface. See 'Input'.
, outputIface :: Output
-- | Refresh the display. If other programs output to the terminal
-- and mess up the display then the application might want to
-- force a refresh using this function.
-- ^ The output interface. See 'Output'.
, refresh :: IO ()
-- | Clean up after vty. A call to this function is necessary to
-- cleanly restore the terminal state before application exit. The
-- above methods will throw an exception if executed after this is
-- executed. Idempotent.
-- ^ Refresh the display. If other programs output to the
-- terminal and mess up the display then the application might
-- want to force a refresh using this function.
, shutdown :: IO ()
-- ^ Clean up after vty. A call to this function is necessary to
-- cleanly restore the terminal state before application exit.
-- The above methods will throw an exception if executed after
-- this is executed. Idempotent.
, isShutdown :: IO Bool
}