ENH dynamically grab wifi interface in xmobar

This commit is contained in:
Nathan Dwarshuis 2021-06-23 00:09:59 -04:00
parent 04343e5bdc
commit adc2222a21
2 changed files with 138 additions and 112 deletions

View File

@ -13,10 +13,16 @@ module Main (main) where
import Control.Monad (filterM) import Control.Monad (filterM)
import Data.Either
import Data.List import Data.List
import Data.Maybe
import DBus import DBus
import System.Directory
import System.FilePath.Posix
import System.IO.Error
import Xmobar.Plugins.Bluetooth import Xmobar.Plugins.Bluetooth
import Xmobar.Plugins.Device import Xmobar.Plugins.Device
import Xmobar.Plugins.IntelBacklight import Xmobar.Plugins.IntelBacklight
@ -83,52 +89,66 @@ filterSpecs = filterM (maybe (return True) exists . csDepends)
where where
exists DBusDepends { ddBus = b, ddPath = p, ddSys = s } = pathExists s b p exists DBusDepends { ddBus = b, ddPath = p, ddSys = s } = pathExists s b p
myCommands :: BarRegions sysfsNet :: FilePath
myCommands = BarRegions sysfsNet = "/sys/class/net"
{ brLeft =
[ CmdSpec
{ csAlias = "UnsafeStdinReader"
, csDepends = Nothing
, csRunnable = Run UnsafeStdinReader
}
]
, brCenter = [] wirelessCmd :: String -> CmdSpec
wirelessCmd interface = CmdSpec
, brRight = { csAlias = interface ++ "wi"
[ CmdSpec
{ csAlias = "wlp0s20f3wi"
, csDepends = Nothing , csDepends = Nothing
, csRunnable = Run , csRunnable = Run
$ Wireless "wlp0s20f3" $ Wireless interface
[ "-t", "<qualityipat><essid>" [ "-t", "<qualityipat><essid>"
, "--" , "--"
, "--quality-icon-pattern", "<icon=wifi_%%.xpm/>" , "--quality-icon-pattern", "<icon=wifi_%%.xpm/>"
] 5 ] 5
} }
, CmdSpec getWireless :: IO (Maybe CmdSpec)
getWireless = do
r <- tryIOError (listDirectory sysfsNet)
ns <- filterM hasWireless $ fromRight [] r
return $ case ns of
[n] -> Just $ wirelessCmd n
_ -> Nothing
where
hasWireless p = doesPathExist $ sysfsNet </> p </> "wireless"
myCommands :: IO BarRegions
myCommands = do
wirelessSpec <- getWireless
let left =
[ CmdSpec
{ csAlias = "UnsafeStdinReader"
, csDepends = Nothing
, csRunnable = Run UnsafeStdinReader
}
]
let right =
[ wirelessSpec
, Just $ CmdSpec
{ csAlias = "enp7s0f1" { csAlias = "enp7s0f1"
, csDepends = Just $ sysDepends devBus devPath , csDepends = Just $ sysDepends devBus devPath
, csRunnable = Run , csRunnable = Run
$ Device ("enp7s0f1", "<fn=2>\xf0e8</fn>", T.fgColor, T.backdropFgColor) 5 $ Device ("enp7s0f1", "<fn=2>\xf0e8</fn>", T.fgColor, T.backdropFgColor) 5
} }
, CmdSpec , Just $ CmdSpec
{ csAlias = vpnAlias { csAlias = vpnAlias
, csDepends = Just $ sysDepends vpnBus vpnPath , csDepends = Just $ sysDepends vpnBus vpnPath
, csRunnable = Run , csRunnable = Run
$ VPN ("<fn=2>\xf023</fn>", T.fgColor, T.backdropFgColor) 5 $ VPN ("<fn=2>\xf023</fn>", T.fgColor, T.backdropFgColor) 5
} }
, CmdSpec , Just $ CmdSpec
{ csAlias = btAlias { csAlias = btAlias
, csDepends = Just $ sysDepends btBus btPath , csDepends = Just $ sysDepends btBus btPath
, csRunnable = Run , csRunnable = Run
$ Bluetooth ("<fn=2>\xf293</fn>", T.fgColor, T.backdropFgColor) 5 $ Bluetooth ("<fn=2>\xf293</fn>", T.fgColor, T.backdropFgColor) 5
} }
, CmdSpec , Just $ CmdSpec
{ csAlias = "alsa:default:Master" { csAlias = "alsa:default:Master"
, csDepends = Nothing , csDepends = Nothing
, csRunnable = Run , csRunnable = Run
@ -142,7 +162,7 @@ myCommands = BarRegions
] ]
} }
, CmdSpec , Just $ CmdSpec
{ csAlias = "battery" { csAlias = "battery"
, csDepends = Nothing , csDepends = Nothing
, csRunnable = Run , csRunnable = Run
@ -161,20 +181,20 @@ myCommands = BarRegions
] 50 ] 50
} }
, CmdSpec , Just $ CmdSpec
{ csAlias = "intelbacklight" { csAlias = "intelbacklight"
, csDepends = Just $ sesDepends xmonadBus blPath , csDepends = Just $ sesDepends xmonadBus blPath
, csRunnable = Run $ IntelBacklight "<fn=1>\xf185</fn>" , csRunnable = Run $ IntelBacklight "<fn=1>\xf185</fn>"
} }
, CmdSpec , Just $ CmdSpec
{ csAlias = ssAlias { csAlias = ssAlias
, csDepends = Just $ sesDepends xmonadBus ssPath , csDepends = Just $ sesDepends xmonadBus ssPath
, csRunnable = Run , csRunnable = Run
$ Screensaver ("<fn=1>\xf254</fn>", T.fgColor, T.backdropFgColor) $ Screensaver ("<fn=1>\xf254</fn>", T.fgColor, T.backdropFgColor)
} }
, CmdSpec , Just $ CmdSpec
{ csAlias = "locks" { csAlias = "locks"
, csDepends = Nothing , csDepends = Nothing
, csRunnable = Run , csRunnable = Run
@ -189,12 +209,16 @@ myCommands = BarRegions
] ]
} }
, CmdSpec , Just $ CmdSpec
{ csAlias = "date" { csAlias = "date"
, csDepends = Nothing , csDepends = Nothing
, csRunnable = Run $ Date "%Y-%m-%d %H:%M:%S " "date" 10 , csRunnable = Run $ Date "%Y-%m-%d %H:%M:%S " "date" 10
} }
] ]
return $ BarRegions
{ brLeft = left
, brCenter = []
, brRight = catMaybes right
} }
fmtSpecs :: [CmdSpec] -> String fmtSpecs :: [CmdSpec] -> String
@ -264,6 +288,6 @@ config br confDir = defaultConfig
main :: IO () main :: IO ()
main = do main = do
br <- mapRegionsM filterSpecs myCommands br <- mapRegionsM filterSpecs =<< myCommands
dir <- getXMonadDir dir <- getXMonadDir
xmobar $ config br dir xmobar $ config br dir

View File

@ -65,6 +65,8 @@ executable xmobar
, my-xmonad , my-xmonad
, xmobar , xmobar
, xmonad >= 0.13 , xmonad >= 0.13
, filepath >= 1.4.2.1
, xmonad-contrib >= 0.13 , xmonad-contrib >= 0.13
, directory >= 1.3.3.0
default-language: Haskell2010 default-language: Haskell2010
ghc-options: -Wall -Werror -fno-warn-missing-signatures -threaded ghc-options: -Wall -Werror -fno-warn-missing-signatures -threaded