From 77df1ac30fa7af5948f7ff64f5fee9aed64552b3 Mon Sep 17 00:00:00 2001
From: jao <jao@gnu.org>
Date: Sun, 25 Nov 2018 15:10:29 +0000
Subject: Back to app/src, since it seems they're the default convention for
 stack

---
 src/Xmobar/Plugins/DateZone.hs | 86 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 src/Xmobar/Plugins/DateZone.hs

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

diff --git a/src/Xmobar/Plugins/DateZone.hs b/src/Xmobar/Plugins/DateZone.hs
new file mode 100644
index 0000000..7215713
--- /dev/null
+++ b/src/Xmobar/Plugins/DateZone.hs
@@ -0,0 +1,86 @@
+{-# LANGUAGE CPP #-}
+{-# LANGUAGE DoAndIfThenElse #-}
+-----------------------------------------------------------------------------
+-- |
+-- Module      :  Plugins.DateZone
+-- Copyright   :  (c) Martin Perner
+-- License     :  BSD-style (see LICENSE)
+--
+-- Maintainer  :  Martin Perner <martin@perner.cc>
+-- Stability   :  unstable
+-- Portability :  unportable
+--
+-- A date plugin with localization and location support for Xmobar
+--
+-- Based on Plugins.Date
+--
+-- Usage example: in template put
+--
+-- > Run DateZone "%a %H:%M:%S" "de_DE.UTF-8" "UTC" "utcDate" 10
+--
+-----------------------------------------------------------------------------
+
+module Xmobar.Plugins.DateZone (DateZone(..)) where
+
+import Xmobar.Run.Commands
+import Xmobar.Utils(tenthSeconds)
+
+#ifdef DATEZONE
+import Control.Concurrent.STM
+
+import System.IO.Unsafe
+
+import Data.Time.Format
+import Data.Time.LocalTime
+import Data.Time.LocalTime.TimeZone.Olson
+import Data.Time.LocalTime.TimeZone.Series
+
+import Xmobar.System.Localize
+
+#if ! MIN_VERSION_time(1,5,0)
+import System.Locale (TimeLocale)
+#endif
+#else
+import System.IO
+import Xmobar.Plugins.Date
+#endif
+
+
+
+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
+      locale <- getTimeLocale
+      atomically $ putTMVar localeLock lock
+      if z /= "" then do
+        timeZone <- getTimeZoneSeriesFromOlsonFile ("/usr/share/zoneinfo/" ++ z)
+        go (dateZone f locale timeZone)
+       else
+        go (date f locale)
+
+      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
+
+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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