From f2d3bad664167346c048285bb2cd6d69608211a5 Mon Sep 17 00:00:00 2001
From: Don Stewart <dons@cse.unsw.edu.au>
Date: Fri, 9 Mar 2007 07:01:39 +0100
Subject: -12 lines, refactor

darcs-hash:20070309060139-9c5c1-451727d42c18072aaaf9224074b7225165d40713.gz
---
 Main.hs   | 17 +++++++----------
 WMonad.hs | 15 +++------------
 2 files changed, 10 insertions(+), 22 deletions(-)

diff --git a/Main.hs b/Main.hs
index 76fd0d7..3d77aad 100644
--- a/Main.hs
+++ b/Main.hs
@@ -54,7 +54,7 @@ keys = M.fromList $
         , (f, m) <- [(view, 0), (tag, shiftMask)]]
 
 --
--- let's get underway
+-- The main entry point
 -- 
 main :: IO ()
 main = do
@@ -76,14 +76,11 @@ main = do
         forM_ ws $ \w -> do
             wa <- io $ getWindowAttributes dpy w
             when (waMapState wa == waIsViewable) (manage w)
-        go dpy
-
+        forever $ handle =<< io (allocaXEvent $ \ev ->
+                                    nextEvent dpy ev >> getEvent ev)
     return ()
   where
-    -- The main loop
-    go dpy = forever $ do
-        e <- io $ allocaXEvent $ \ev -> nextEvent dpy ev >> getEvent ev
-        handle e
+    forever a = a >> forever a
 
 -- | Grab the keys back
 grabKeys :: Display -> Window -> W ()
@@ -168,9 +165,9 @@ reveal w = withDisplay $ \d -> io $ moveWindow d w 0 0
 windows :: (WorkSpace -> WorkSpace) -> W ()
 windows f = do
     modify $ \s -> s { workspace = f (workspace s) }
-    ws <- gets workspace
     refresh
-    trace (show ws) -- log state changes to stderr
+    -- ws <- gets workspace
+    -- trace (show ws) -- log state changes to stderr
 
 -- ---------------------------------------------------------------------
 -- Window operations
@@ -200,7 +197,7 @@ focus = windows . W.rotate
 kill :: W ()
 kill = withDisplay $ \d -> do
     ws <- gets workspace
-    whenJust (W.peek ws) $ io_ . killClient d
+    whenJust (W.peek ws) $ \w -> io (killClient d w) >> return ()
 
 -- | tag. Move a window to a new workspace
 tag :: Int -> W ()
diff --git a/WMonad.hs b/WMonad.hs
index e6e3ae7..322f1f7 100644
--- a/WMonad.hs
+++ b/WMonad.hs
@@ -1,6 +1,6 @@
 -----------------------------------------------------------------------------
 -- |
--- Module      :  W.hs
+-- Module      :  WMonad.hs
 -- Copyright   :  (c) Spencer Janssen 2007
 -- License     :  BSD3-style (see LICENSE)
 -- 
@@ -16,7 +16,7 @@
 
 module WMonad (
     W, WorkSpace, WState(..),
-    runW, withDisplay, io, io_, forever, spawn, trace, whenJust
+    runW, withDisplay, io, spawn, trace, whenJust
   ) where
 
 import StackSet (StackSet)
@@ -57,23 +57,14 @@ withDisplay f = gets display >>= f
 io :: IO a -> W a
 io = liftIO
 
--- | Lift an IO action into the W monad, discarding any result
-io_ :: IO a -> W ()
-io_ f = liftIO f >> return ()
-
--- | Run an action forever
-forever :: (Monad m) => m a -> m b
-forever a = a >> forever a
-
 -- | spawn. Launch an external application
 spawn :: String -> W ()
-spawn = io_ . runCommand
+spawn x = io (runCommand x) >> return ()
 
 -- | Run a side effecting action with the current workspace. Like 'when' but
 whenJust :: Maybe a -> (a -> W ()) -> W ()
 whenJust mg f = maybe (return ()) f mg
 
-
 -- | A 'trace' for the W monad. Logs a string to stderr. The result may
 -- be found in your .xsession-errors file
 trace :: String -> W ()
-- 
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