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authorjao <jao@gnu.org>2022-02-04 03:34:48 +0000
committerjao <jao@gnu.org>2022-02-04 03:34:48 +0000
commit57e8e23ec7b81b0a680dd9decc70bbf98892abab (patch)
treee2e63f3ce4fe65e59fcac3645af769829f108c59 /src/Xmobar/Text
parentc1b6c382d8b020238e64c811bcc6f905f0f5390d (diff)
downloadxmobar-57e8e23ec7b81b0a680dd9decc70bbf98892abab.tar.gz
xmobar-57e8e23ec7b81b0a680dd9decc70bbf98892abab.tar.bz2
Refactoring: event loop handling simplifications
Diffstat (limited to 'src/Xmobar/Text')
-rw-r--r--src/Xmobar/Text/Loop.hs35
1 files changed, 11 insertions, 24 deletions
diff --git a/src/Xmobar/Text/Loop.hs b/src/Xmobar/Text/Loop.hs
index 42c8700..2903aa9 100644
--- a/src/Xmobar/Text/Loop.hs
+++ b/src/Xmobar/Text/Loop.hs
@@ -14,48 +14,35 @@
--
------------------------------------------------------------------------------
-module Xmobar.Text.Loop (loop) where
+module Xmobar.Text.Loop (textLoop) where
import Prelude hiding (lookup)
import System.IO
import Control.Monad.Reader
-import Control.Concurrent.Async (Async)
import Control.Concurrent.STM
import Xmobar.System.Signal
-
import Xmobar.Config.Types (Config)
-
-import qualified Xmobar.Run.Loop as Loop
-
+import Xmobar.Run.Loop (loop)
import Xmobar.Run.Parsers (parseString)
-
import Xmobar.Text.Output (formatSegment)
-- | Starts the main event loop and threads
-loop :: Config -> IO ()
-loop conf = Loop.loop conf (startTextLoop' conf)
-
-startTextLoop' :: Config
- -> TMVar SignalType
- -> TMVar ()
- -> [[([Async ()], TVar String)]]
- -> IO ()
-startTextLoop' cfg sig pauser vs = do
- hSetBuffering stdin LineBuffering
- hSetBuffering stdout LineBuffering
- tv <- Loop.initLoop sig pauser vs
- eventLoop cfg tv sig
+textLoop :: Config -> IO ()
+textLoop conf = do
+ hSetBuffering stdin LineBuffering
+ hSetBuffering stdout LineBuffering
+ loop conf (eventLoop conf)
-- | Continuously wait for a signal from a thread or a interrupt handler
-eventLoop :: Config -> TVar [String] -> TMVar SignalType -> IO ()
-eventLoop cfg tv signal = do
+eventLoop :: Config -> TMVar SignalType -> TVar [String] -> IO ()
+eventLoop cfg signal tv = do
typ <- atomically $ takeTMVar signal
case typ of
- Wakeup -> updateString cfg tv >>= putStrLn >> eventLoop cfg tv signal
- _ -> eventLoop cfg tv signal
+ Wakeup -> updateString cfg tv >>= putStrLn >> eventLoop cfg signal tv
+ _ -> eventLoop cfg signal tv
updateString :: Config -> TVar [String] -> IO String
updateString conf v = do