From 3c0b22f9799a4c607df473ebc77d82dd218527de Mon Sep 17 00:00:00 2001
From: glasser <glasser@mit.edu>
Date: Wed, 23 May 2007 20:43:15 +0200
Subject: dzen module (with xinerama support, which requires glasser's Xinerama
 patch to dzen)

darcs-hash:20070523184315-64353-2f7d112bfab370c3b02397317a8dbe8686bc10be.gz
---
 Dzen.hs | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 Dzen.hs

(limited to 'Dzen.hs')

diff --git a/Dzen.hs b/Dzen.hs
new file mode 100644
index 0000000..0994396
--- /dev/null
+++ b/Dzen.hs
@@ -0,0 +1,49 @@
+module XMonadContrib.Dzen (dzen, dzenScreen) where
+
+import System.Posix.Process (forkProcess, getProcessStatus, createSession)
+import System.IO
+import System.Process
+import System.Exit
+import Control.Concurrent (threadDelay)
+import Control.Monad.State
+
+import qualified StackSet as W
+import XMonad
+
+-- wait is in us
+runProcessWithInputAndWait :: FilePath -> [String] -> String -> Int -> IO ()
+runProcessWithInputAndWait cmd args input timeout = do
+    pid <- forkProcess $ do
+       forkProcess $ do -- double fork it over to init
+         createSession
+         (pin, pout, perr, ph) <- runInteractiveProcess cmd args Nothing Nothing
+         hPutStr pin input
+         hFlush pin
+         threadDelay timeout
+         hClose pin
+         --     output <- hGetContents pout
+         --     when (output==output) $ return ()
+         hClose pout
+         hClose perr
+         waitForProcess ph
+         return ()
+       exitWith ExitSuccess
+       return ()
+    getProcessStatus True False pid
+    return ()
+
+
+curScreen :: X ScreenId
+curScreen =  (W.screen . W.current) `liftM` gets windowset
+
+toXineramaArg :: ScreenId -> String
+toXineramaArg n = show ( ((fromIntegral n)+1)::Int )
+
+-- requires glasser's xinerama patch to dzen
+
+dzen :: String -> X ()
+dzen str = curScreen >>= \sc -> dzenScreen sc str
+
+dzenScreen :: ScreenId -> String -> X()
+dzenScreen sc str = io $ (runProcessWithInputAndWait "dzen2" ["-xs", screen] str 5000000)
+    where screen = toXineramaArg sc
-- 
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