From 20846e8dddb61eed64100b4f21b4b493b5005eac Mon Sep 17 00:00:00 2001
From: Andrea Rossato <andrea.rossato@ing.unitn.it>
Date: Thu, 12 Jul 2007 23:56:15 +0200
Subject: removed the Show instance requirement for plugins

darcs-hash:20070712215615-d6583-463ad3d9d1282fd1f129f34f405c66e0795962fd.gz
---
 Plugins/HelloWorld.hs | 6 +++---
 Runnable.hs           | 6 ++----
 Runnable.hs-boot      | 4 ++--
 XMobar.hs             | 2 +-
 4 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/Plugins/HelloWorld.hs b/Plugins/HelloWorld.hs
index 2b52506..8e68713 100644
--- a/Plugins/HelloWorld.hs
+++ b/Plugins/HelloWorld.hs
@@ -16,10 +16,10 @@ module Plugins.HelloWorld where
 
 import Commands
 
-data Plugin = HelloWorld
-    deriving (Show, Read)
+data HelloWorld = HelloWorld
+    deriving (Read)
 
-instance Exec Plugin where
+instance Exec HelloWorld where
     run HelloWorld = return "<fc=red>Hello World!!</fc>"
     rate HelloWorld = 1000
     alias HelloWorld = "helloWorld"
diff --git a/Runnable.hs b/Runnable.hs
index 9191697..2f55e7f 100644
--- a/Runnable.hs
+++ b/Runnable.hs
@@ -26,10 +26,8 @@ import Text.ParserCombinators.ReadPrec
 import Config (runnableTypes)
 import Commands
 
-data Runnable = forall r . (Exec r,Show r, Read r) => Run r
+data Runnable = forall r . (Exec r, Read r) => Run r
 
-instance Show Runnable where
-    show (Run a) = "Run " ++ show a
 
 instance Exec Runnable where
      run (Run a) = run a
@@ -46,7 +44,7 @@ class ReadAsAnyOf ts ex where
 instance ReadAsAnyOf () ex where 
     readAsAnyOf ~() = mzero
 
-instance (Read t, Show t, Exec t, ReadAsAnyOf ts Runnable) => ReadAsAnyOf (t,ts) Runnable where 
+instance (Read t, Exec t, ReadAsAnyOf ts Runnable) => ReadAsAnyOf (t,ts) Runnable where 
     readAsAnyOf ~(t,ts) = r t `mplus` readAsAnyOf ts
               where r ty = do { m <- readPrec; return (Run (m `asTypeOf` ty)) }
 
diff --git a/Runnable.hs-boot b/Runnable.hs-boot
index 90dbe81..bef4e39 100644
--- a/Runnable.hs-boot
+++ b/Runnable.hs-boot
@@ -2,10 +2,10 @@
 module Runnable where
 import Commands
 
-data Runnable = forall r . (Exec r,Show r, Read r) => Run r
+data Runnable = forall r . (Exec r,Read r) => Run r
 
 instance Read Runnable
 instance Exec Runnable
-instance Show Runnable
+
 
 
diff --git a/XMobar.hs b/XMobar.hs
index 593c7cb..7da3bd3 100644
--- a/XMobar.hs
+++ b/XMobar.hs
@@ -181,7 +181,7 @@ execCommand c com =
 
 runCommandLoop :: MVar String -> Config -> (Runnable,String,String) -> IO ()
 runCommandLoop var conf c@(com,s,ss)
-    | show com == "" = 
+    | alias com == "" = 
         do modifyMVar_ var (\_ -> return $ "Could not parse the template")
            tenthSeconds (refresh conf)
            runCommandLoop var conf c
-- 
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