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module Rahm.Desktop.XMobarLog.PendingBuffer
( addStringToPendingBuffer,
setPendingBuffer,
clearPendingBuffer,
getPendingBuffer,
pushPendingBuffer,
pushAddPendingBuffer,
)
where
import Rahm.Desktop.Common
import Data.Default (Default (..))
import XMonad (X)
import qualified XMonad as X
( ExtensionClass (initialValue),
MonadReader (ask),
XConf (config),
XConfig (logHook),
)
import qualified XMonad.Util.ExtensibleState as XS
( get,
modify,
put,
)
-- The pending buffer keeps track of pending characters. This is useful for when
-- inputing Wml language constructs. Helps to keep the user from being too lost
-- wheen it comes to keeping track of keystrokes.
newtype PendingBuffer = PendingBuffer {unPendingBuffer :: [Char]}
instance Default PendingBuffer where
def = PendingBuffer []
instance X.ExtensionClass PendingBuffer where
initialValue = def
addStringToPendingBuffer :: [Char] -> X ()
addStringToPendingBuffer str = do
XS.modify $ \(PendingBuffer cs) ->
PendingBuffer (cs ++ str)
X.logHook . X.config =<< X.ask
setPendingBuffer :: [Char] -> X ()
setPendingBuffer cs = do
XS.put $ PendingBuffer cs
X.logHook . X.config =<< X.ask
clearPendingBuffer :: X ()
clearPendingBuffer = do
XS.put (def :: PendingBuffer)
X.logHook . X.config =<< X.ask
getPendingBuffer :: X [Char]
getPendingBuffer = unPendingBuffer <$> XS.get
pushPendingBuffer :: (Xish x) => String -> x a -> x a
pushPendingBuffer newPendingBuffer fn = do
saved <- liftFromX getPendingBuffer
liftFromX $ setPendingBuffer newPendingBuffer
fn <* liftFromX (setPendingBuffer saved)
pushAddPendingBuffer :: (Xish x) => String -> x a -> x a
pushAddPendingBuffer toAdd fn = do
saved <- liftFromX getPendingBuffer
liftFromX $ setPendingBuffer (saved ++ toAdd)
fn <* liftFromX (setPendingBuffer saved)
|
