From dc670b15ba8b279e1119ac895dd681feab4e3939 Mon Sep 17 00:00:00 2001
From: Adam Vogt <vogt.adam@gmail.com>
Date: Tue, 25 Feb 2014 01:27:03 -0500
Subject: have disabled plugins still accept input

This change lets xmobar compiled without -fwith_inotify accept a config
that mentions the Mail plugin with a warning (and display an
Updating...).
---
 src/Plugins/DateZone.hs | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

(limited to 'src/Plugins/DateZone.hs')

diff --git a/src/Plugins/DateZone.hs b/src/Plugins/DateZone.hs
index 79596c9..f1737fb 100644
--- a/src/Plugins/DateZone.hs
+++ b/src/Plugins/DateZone.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE DoAndIfThenElse #-}
 -----------------------------------------------------------------------------
 -- |
@@ -23,30 +24,37 @@ module Plugins.DateZone (DateZone(..)) where
 
 import Plugins
 
-import Localize
 
+#ifdef DATEZONE
 import Control.Concurrent.STM
 
+import System.IO.Unsafe
+
+import Localize
 import Data.Time.LocalTime
 import Data.Time.Format
 import Data.Time.LocalTime.TimeZone.Olson
 import Data.Time.LocalTime.TimeZone.Series
 
-import System.IO.Unsafe
 import System.Locale (TimeLocale)
+#else
+import System.IO
+import Plugins.Date
+#endif
 
 
 
-{-# NOINLINE localeLock #-}
--- ensures that only one plugin instance sets the locale
-localeLock :: TMVar Bool
-localeLock = unsafePerformIO (newTMVarIO False)
-
 data DateZone = DateZone String String String String Int
     deriving (Read, Show)
 
 instance Exec DateZone where
     alias (DateZone _ _ _ a _) = a
+#ifndef DATEZONE
+    start (DateZone f _ _ a r) cb = do
+      hPutStrLn stderr $ "Warning: DateZone plugin needs -fwith_datezone."++
+                  " Using Date plugin instead."
+      start (Date f a r) cb
+#else
     start (DateZone f l z _ r) cb = do
       lock <- atomically $ takeTMVar localeLock
       setupTimeLocale l
@@ -60,6 +68,11 @@ instance Exec DateZone where
 
       where go func = func >>= cb >> tenthSeconds r >> go func
 
+{-# NOINLINE localeLock #-}
+-- ensures that only one plugin instance sets the locale
+localeLock :: TMVar Bool
+localeLock = unsafePerformIO (newTMVarIO False)
+
 date :: String -> TimeLocale -> IO String
 date format loc = getZonedTime >>= return . formatTime loc format
 
@@ -67,3 +80,4 @@ dateZone :: String -> TimeLocale -> TimeZoneSeries -> IO String
 dateZone format loc timeZone = getZonedTime >>= return . formatTime loc format . utcToLocalTime' timeZone . zonedTimeToUTC
 --   zonedTime <- getZonedTime
 --   return $ formatTime loc format $ utcToLocalTime' timeZone $ zonedTimeToUTC zonedTime
+#endif
-- 
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