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-rw-r--r--src/Xmobar/App/CommandThreads.hs61
-rw-r--r--src/Xmobar/App/EventLoop.hs59
-rw-r--r--src/Xmobar/App/Main.hs3
3 files changed, 75 insertions, 48 deletions
diff --git a/src/Xmobar/App/CommandThreads.hs b/src/Xmobar/App/CommandThreads.hs
new file mode 100644
index 0000000..1de2936
--- /dev/null
+++ b/src/Xmobar/App/CommandThreads.hs
@@ -0,0 +1,61 @@
+------------------------------------------------------------------------------
+-- |
+-- Module: Xmobar.App.CommandThreads
+-- Copyright: (c) 2022 Jose Antonio Ortega Ruiz
+-- License: BSD3-style (see LICENSE)
+--
+-- Maintainer: jao@gnu.org
+-- Stability: unstable
+-- Portability: unportable
+-- Created: Fri Jan 28, 2022 03:20
+--
+--
+-- Running a thread for each defined Command
+--
+------------------------------------------------------------------------------
+
+module Xmobar.App.CommandThreads ( startCommand
+ , newRefreshLock
+ , refreshLock
+ , refreshLockT) where
+
+import Control.Concurrent.STM
+import Control.Concurrent.Async (Async, async)
+import Control.Exception (bracket_)
+
+import Xmobar.System.Signal (SignalType)
+import Xmobar.Run.Runnable (Runnable)
+import Xmobar.Run.Exec (start, trigger, alias)
+
+newRefreshLock :: IO (TMVar ())
+newRefreshLock = newTMVarIO ()
+
+refreshLock :: TMVar () -> IO a -> IO a
+refreshLock var = bracket_ lock unlock
+ where
+ lock = atomically $ takeTMVar var
+ unlock = atomically $ putTMVar var ()
+
+refreshLockT :: TMVar () -> STM a -> STM a
+refreshLockT var action = do
+ takeTMVar var
+ r <- action
+ putTMVar var ()
+ return r
+
+-- | Runs a command as an independent thread and returns its Async handles
+-- and the TVar the command will be writing to.
+startCommand :: TMVar SignalType
+ -> (Runnable,String,String)
+ -> IO ([Async ()], TVar String)
+startCommand sig (com,s,ss)
+ | alias com == "" = do var <- newTVarIO is
+ atomically $ writeTVar var (s ++ ss)
+ return ([], var)
+ | otherwise = do var <- newTVarIO is
+ let cb str = atomically $ writeTVar var (s ++ str ++ ss)
+ a1 <- async $ start com cb
+ a2 <- async $ trigger com $ maybe (return ())
+ (atomically . putTMVar sig)
+ return ([a1, a2], var)
+ where is = s ++ "Updating..." ++ ss
diff --git a/src/Xmobar/App/EventLoop.hs b/src/Xmobar/App/EventLoop.hs
index f046647..1764b1d 100644
--- a/src/Xmobar/App/EventLoop.hs
+++ b/src/Xmobar/App/EventLoop.hs
@@ -16,13 +16,7 @@
--
------------------------------------------------------------------------------
-
-module Xmobar.App.EventLoop
- ( startLoop
- , startCommand
- , newRefreshLock
- , refreshLock
- ) where
+module Xmobar.App.EventLoop (startLoop) where
import Prelude hiding (lookup)
import Graphics.X11.Xlib hiding (textExtents, textWidth)
@@ -33,18 +27,22 @@ import Graphics.X11.Xrandr
import Control.Arrow ((&&&))
import Control.Monad.Reader
import Control.Concurrent
-import Control.Concurrent.Async (Async, async)
+import Control.Concurrent.Async (Async)
import Control.Concurrent.STM
-import Control.Exception (bracket_, handle, SomeException(..))
+import Control.Exception (handle, SomeException(..))
import Data.Bits
import Data.Map hiding (foldr, map, filter)
import Data.Maybe (fromJust, isJust)
import qualified Data.List.NonEmpty as NE
import Xmobar.System.Signal
-import Xmobar.Config.Types (persistent, position, iconRoot, Config, Align(..), XPosition(..))
-import Xmobar.Run.Exec
-import Xmobar.Run.Runnable
+import Xmobar.Config.Types (persistent
+ , position
+ , iconRoot
+ , Config
+ , Align(..)
+ , XPosition(..))
+
import Xmobar.X11.Actions
import Xmobar.X11.Parsers
import Xmobar.X11.Window
@@ -54,6 +52,8 @@ import Xmobar.X11.Bitmap as Bitmap
import Xmobar.X11.Types
import Xmobar.System.Utils (safeIndex)
+import Xmobar.App.CommandThreads (refreshLockT)
+
#ifndef THREADED_RUNTIME
import Xmobar.X11.Events(nextEvent')
#endif
@@ -69,22 +69,6 @@ import Xmobar.System.DBus
runX :: XConf -> X () -> IO ()
runX xc f = runReaderT f xc
-newRefreshLock :: IO (TMVar ())
-newRefreshLock = newTMVarIO ()
-
-refreshLock :: TMVar () -> IO a -> IO a
-refreshLock var = bracket_ lock unlock
- where
- lock = atomically $ takeTMVar var
- unlock = atomically $ putTMVar var ()
-
-refreshLockT :: TMVar () -> STM a -> STM a
-refreshLockT var action = do
- takeTMVar var
- r <- action
- putTMVar var ()
- return r
-
-- | Starts the main event loop and threads
startLoop :: XConf
-> TMVar SignalType
@@ -230,25 +214,6 @@ eventLoop tv xc@(XConf d r w fs vos is cfg) as signal = do
filter (\(_, from, to) -> x >= from && x <= to) as
eventLoop tv xc as signal
--- $command
-
--- | Runs a command as an independent thread and returns its Async handles
--- and the TVar the command will be writing to.
-startCommand :: TMVar SignalType
- -> (Runnable,String,String)
- -> IO ([Async ()], TVar String)
-startCommand sig (com,s,ss)
- | alias com == "" = do var <- newTVarIO is
- atomically $ writeTVar var (s ++ ss)
- return ([], var)
- | otherwise = do var <- newTVarIO is
- let cb str = atomically $ writeTVar var (s ++ str ++ ss)
- a1 <- async $ start com cb
- a2 <- async $ trigger com $ maybe (return ())
- (atomically . putTMVar sig)
- return ([a1, a2], var)
- where is = s ++ "Updating..." ++ ss
-
updateString :: Config
-> TVar [String]
-> IO [[(Widget, TextRenderInfo, Int, Maybe [Action])]]
diff --git a/src/Xmobar/App/Main.hs b/src/Xmobar/App/Main.hs
index 6a3203f..b67012d 100644
--- a/src/Xmobar/App/Main.hs
+++ b/src/Xmobar/App/Main.hs
@@ -42,7 +42,8 @@ import Xmobar.X11.Types
import Xmobar.X11.Text
import Xmobar.X11.Window
import Xmobar.App.Opts (recompileFlag, verboseFlag, getOpts, doOpts)
-import Xmobar.App.EventLoop (startLoop, startCommand, newRefreshLock, refreshLock)
+import Xmobar.App.EventLoop (startLoop)
+import Xmobar.App.CommandThreads (startCommand, newRefreshLock, refreshLock)
import Xmobar.App.Compile (recompile, trace)
import Xmobar.App.Config
import Xmobar.App.Timer (withTimer)
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 13:37:05 +0000