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authorjao <jao@gnu.org>2018-11-21 23:51:41 +0000
committerjao <jao@gnu.org>2018-11-21 23:51:41 +0000
commit50134d5b5c4baabdfb35c0aeb8bf53d29f009c4d (patch)
treea710ee9a8e9ea9e46951d371af29081e1c72f502 /src/lib/Xmobar/Plugins/Monitors/Thermal.hs
parent7674145b878fd315999558075edcfc5e09bdd91c (diff)
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+-----------------------------------------------------------------------------
+-- |
+-- Module : Plugins.Monitors.Thermal
+-- Copyright : (c) Juraj Hercek
+-- License : BSD-style (see LICENSE)
+--
+-- Maintainer : Juraj Hercek <juhe_haskell@hck.sk>
+-- Stability : unstable
+-- Portability : unportable
+--
+-- A thermal monitor for Xmobar
+--
+-----------------------------------------------------------------------------
+
+module Xmobar.Plugins.Monitors.Thermal where
+
+import qualified Data.ByteString.Lazy.Char8 as B
+import Xmobar.Plugins.Monitors.Common
+import System.Posix.Files (fileExist)
+
+-- | Default thermal configuration.
+thermalConfig :: IO MConfig
+thermalConfig = mkMConfig
+ "Thm: <temp>C" -- template
+ ["temp"] -- available replacements
+
+-- | Retrieves thermal information. Argument is name of thermal directory in
+-- \/proc\/acpi\/thermal_zone. Returns the monitor string parsed according to
+-- template (either default or user specified).
+runThermal :: [String] -> Monitor String
+runThermal args = do
+ let zone = head args
+ file = "/proc/acpi/thermal_zone/" ++ zone ++ "/temperature"
+ exists <- io $ fileExist file
+ if exists
+ then do number <- io $ fmap ((read :: String -> Int) . stringParser (1, 0)) (B.readFile file)
+ thermal <- showWithColors show number
+ parseTemplate [ thermal ]
+ else return $ "Thermal (" ++ zone ++ "): N/A"