ENH dynamically grab wifi interface in xmobar
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04343e5bdc
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248
bin/xmobar.hs
248
bin/xmobar.hs
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@ -13,10 +13,16 @@ module Main (main) where
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import Control.Monad (filterM)
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import Data.Either
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import Data.List
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import Data.Maybe
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import DBus
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import System.Directory
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import System.FilePath.Posix
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import System.IO.Error
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import Xmobar.Plugins.Bluetooth
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import Xmobar.Plugins.Device
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import Xmobar.Plugins.IntelBacklight
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@ -83,120 +89,138 @@ filterSpecs = filterM (maybe (return True) exists . csDepends)
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where
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exists DBusDepends { ddBus = b, ddPath = p, ddSys = s } = pathExists s b p
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myCommands :: BarRegions
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myCommands = BarRegions
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{ brLeft =
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[ CmdSpec
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{ csAlias = "UnsafeStdinReader"
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, csDepends = Nothing
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, csRunnable = Run UnsafeStdinReader
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}
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]
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sysfsNet :: FilePath
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sysfsNet = "/sys/class/net"
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, brCenter = []
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, brRight =
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[ CmdSpec
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{ csAlias = "wlp0s20f3wi"
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, csDepends = Nothing
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, csRunnable = Run
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$ Wireless "wlp0s20f3"
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[ "-t", "<qualityipat><essid>"
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, "--"
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, "--quality-icon-pattern", "<icon=wifi_%%.xpm/>"
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] 5
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}
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, CmdSpec
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{ csAlias = "enp7s0f1"
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, csDepends = Just $ sysDepends devBus devPath
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, csRunnable = Run
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$ Device ("enp7s0f1", "<fn=2>\xf0e8</fn>", T.fgColor, T.backdropFgColor) 5
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}
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, CmdSpec
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{ csAlias = vpnAlias
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, csDepends = Just $ sysDepends vpnBus vpnPath
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, csRunnable = Run
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$ VPN ("<fn=2>\xf023</fn>", T.fgColor, T.backdropFgColor) 5
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}
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, CmdSpec
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{ csAlias = btAlias
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, csDepends = Just $ sysDepends btBus btPath
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, csRunnable = Run
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$ Bluetooth ("<fn=2>\xf293</fn>", T.fgColor, T.backdropFgColor) 5
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}
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, CmdSpec
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{ csAlias = "alsa:default:Master"
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, csDepends = Nothing
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, csRunnable = Run
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$ Alsa "default" "Master"
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[ "-t", "<status><volume>%"
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, "--"
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, "-O", "<fn=1>\xf028</fn>"
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, "-o", "<fn=1>\xf026 </fn>"
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, "-c", T.fgColor
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, "-C", T.fgColor
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]
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}
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, CmdSpec
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{ csAlias = "battery"
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, csDepends = Nothing
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, csRunnable = Run
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$ Battery
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[ "--template", "<acstatus><left>"
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, "--Low", "10"
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, "--High", "80"
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, "--low", "red"
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, "--normal", T.fgColor
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, "--high", T.fgColor
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, "--"
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, "-P"
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, "-o" , "<fn=1>\xf0e7</fn>"
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, "-O" , "<fn=1>\xf1e6</fn>"
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, "-i" , "<fn=1>\xf1e6</fn>"
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] 50
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}
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, CmdSpec
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{ csAlias = "intelbacklight"
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, csDepends = Just $ sesDepends xmonadBus blPath
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, csRunnable = Run $ IntelBacklight "<fn=1>\xf185</fn>"
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}
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, CmdSpec
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{ csAlias = ssAlias
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, csDepends = Just $ sesDepends xmonadBus ssPath
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, csRunnable = Run
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$ Screensaver ("<fn=1>\xf254</fn>", T.fgColor, T.backdropFgColor)
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}
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, CmdSpec
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{ csAlias = "locks"
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, csDepends = Nothing
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, csRunnable = Run
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$ Locks
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[ "-N", "<fn=3>\x1f13d</fn>"
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, "-n", xmobarColor T.backdropFgColor "" "<fn=3>\x1f13d</fn>"
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, "-C", "<fn=3>\x1f132</fn>"
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, "-c", xmobarColor T.backdropFgColor "" "<fn=3>\x1f132</fn>"
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, "-s", ""
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, "-S", ""
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, "-d", "<fn=3> </fn>"
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]
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}
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, CmdSpec
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{ csAlias = "date"
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, csDepends = Nothing
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, csRunnable = Run $ Date "%Y-%m-%d %H:%M:%S " "date" 10
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}
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]
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wirelessCmd :: String -> CmdSpec
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wirelessCmd interface = CmdSpec
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{ csAlias = interface ++ "wi"
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, csDepends = Nothing
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, csRunnable = Run
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$ Wireless interface
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[ "-t", "<qualityipat><essid>"
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, "--"
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, "--quality-icon-pattern", "<icon=wifi_%%.xpm/>"
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] 5
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}
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getWireless :: IO (Maybe CmdSpec)
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getWireless = do
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r <- tryIOError (listDirectory sysfsNet)
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ns <- filterM hasWireless $ fromRight [] r
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return $ case ns of
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[n] -> Just $ wirelessCmd n
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_ -> Nothing
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where
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hasWireless p = doesPathExist $ sysfsNet </> p </> "wireless"
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myCommands :: IO BarRegions
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myCommands = do
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wirelessSpec <- getWireless
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let left =
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[ CmdSpec
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{ csAlias = "UnsafeStdinReader"
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, csDepends = Nothing
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, csRunnable = Run UnsafeStdinReader
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}
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]
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let right =
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[ wirelessSpec
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, Just $ CmdSpec
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{ csAlias = "enp7s0f1"
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, csDepends = Just $ sysDepends devBus devPath
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, csRunnable = Run
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$ Device ("enp7s0f1", "<fn=2>\xf0e8</fn>", T.fgColor, T.backdropFgColor) 5
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}
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, Just $ CmdSpec
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{ csAlias = vpnAlias
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, csDepends = Just $ sysDepends vpnBus vpnPath
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, csRunnable = Run
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$ VPN ("<fn=2>\xf023</fn>", T.fgColor, T.backdropFgColor) 5
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}
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, Just $ CmdSpec
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{ csAlias = btAlias
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, csDepends = Just $ sysDepends btBus btPath
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, csRunnable = Run
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$ Bluetooth ("<fn=2>\xf293</fn>", T.fgColor, T.backdropFgColor) 5
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}
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, Just $ CmdSpec
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{ csAlias = "alsa:default:Master"
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, csDepends = Nothing
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, csRunnable = Run
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$ Alsa "default" "Master"
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[ "-t", "<status><volume>%"
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, "--"
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, "-O", "<fn=1>\xf028</fn>"
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, "-o", "<fn=1>\xf026 </fn>"
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, "-c", T.fgColor
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, "-C", T.fgColor
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]
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}
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, Just $ CmdSpec
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{ csAlias = "battery"
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, csDepends = Nothing
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, csRunnable = Run
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$ Battery
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[ "--template", "<acstatus><left>"
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, "--Low", "10"
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, "--High", "80"
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, "--low", "red"
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, "--normal", T.fgColor
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, "--high", T.fgColor
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, "--"
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, "-P"
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, "-o" , "<fn=1>\xf0e7</fn>"
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, "-O" , "<fn=1>\xf1e6</fn>"
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, "-i" , "<fn=1>\xf1e6</fn>"
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] 50
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}
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, Just $ CmdSpec
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{ csAlias = "intelbacklight"
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, csDepends = Just $ sesDepends xmonadBus blPath
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, csRunnable = Run $ IntelBacklight "<fn=1>\xf185</fn>"
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}
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, Just $ CmdSpec
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{ csAlias = ssAlias
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, csDepends = Just $ sesDepends xmonadBus ssPath
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, csRunnable = Run
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$ Screensaver ("<fn=1>\xf254</fn>", T.fgColor, T.backdropFgColor)
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}
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, Just $ CmdSpec
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{ csAlias = "locks"
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, csDepends = Nothing
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, csRunnable = Run
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$ Locks
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[ "-N", "<fn=3>\x1f13d</fn>"
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, "-n", xmobarColor T.backdropFgColor "" "<fn=3>\x1f13d</fn>"
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, "-C", "<fn=3>\x1f132</fn>"
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, "-c", xmobarColor T.backdropFgColor "" "<fn=3>\x1f132</fn>"
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, "-s", ""
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, "-S", ""
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, "-d", "<fn=3> </fn>"
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]
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}
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, Just $ CmdSpec
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{ csAlias = "date"
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, csDepends = Nothing
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, csRunnable = Run $ Date "%Y-%m-%d %H:%M:%S " "date" 10
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}
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]
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return $ BarRegions
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{ brLeft = left
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, brCenter = []
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, brRight = catMaybes right
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}
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fmtSpecs :: [CmdSpec] -> String
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fmtSpecs = intercalate sep . fmap go
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where
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@ -264,6 +288,6 @@ config br confDir = defaultConfig
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main :: IO ()
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main = do
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br <- mapRegionsM filterSpecs myCommands
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br <- mapRegionsM filterSpecs =<< myCommands
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dir <- getXMonadDir
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xmobar $ config br dir
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@ -65,6 +65,8 @@ executable xmobar
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, my-xmonad
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, xmobar
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, xmonad >= 0.13
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, filepath >= 1.4.2.1
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, xmonad-contrib >= 0.13
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, directory >= 1.3.3.0
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default-language: Haskell2010
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ghc-options: -Wall -Werror -fno-warn-missing-signatures -threaded
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