24 lines
596 B
Haskell
24 lines
596 B
Haskell
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{-# LANGUAGE LambdaCase #-}
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module Xmobar.Plugins.IntelBacklight where
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import Control.Concurrent
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import Control.Monad
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import DBus.IntelBacklight
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import Xmobar
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newtype IntelBacklight = IntelBacklight String deriving (Read, Show)
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instance Exec IntelBacklight where
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alias (IntelBacklight _) = "intelbacklight"
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start (IntelBacklight icon) cb = do
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_ <- matchSignal $ cb . formatBrightness
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cb . formatBrightness =<< callGetBrightness
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forever (threadDelay 5000)
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where
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formatBrightness = \case
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Just b -> icon ++ show (b `div` 100) ++ "%"
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Nothing -> "N/A"
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