220 lines
6.6 KiB
Haskell
220 lines
6.6 KiB
Haskell
--------------------------------------------------------------------------------
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-- | Commands for controlling power
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module XMonad.Internal.Command.Power
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-- commands
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( runHibernate
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, runOptimusPrompt
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, runPowerOff
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, runPowerPrompt
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, runReboot
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, runScreenLock
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, runSuspend
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, runSuspendPrompt
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, runQuitPrompt
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-- daemons
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, runAutolock
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-- functions
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, hasBattery
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, suspendPrompt
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, quitPrompt
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, powerPrompt
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, defFontPkgs
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, promptFontDep
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) where
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import Control.Arrow (first)
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import Data.Either
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import qualified Data.Map as M
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import Graphics.X11.Types
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import System.Directory
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import System.Exit
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import System.FilePath.Posix
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import System.IO.Error
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import System.Process (ProcessHandle)
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import XMonad.Core
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import XMonad.Internal.Dependency
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import XMonad.Internal.Process (spawnPipeArgs)
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import XMonad.Internal.Shell
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import qualified XMonad.Internal.Theme as T
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import XMonad.Prompt
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import XMonad.Prompt.ConfirmPrompt
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--------------------------------------------------------------------------------
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-- | Executables
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myScreenlock :: String
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myScreenlock = "screenlock"
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myOptimusManager :: String
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myOptimusManager = "optimus-manager"
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myPrimeOffload :: String
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myPrimeOffload = "prime-offload"
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--------------------------------------------------------------------------------
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-- | Packages
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optimusPackages :: [Fulfillment]
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optimusPackages = [Package False "optimus-manager"]
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--------------------------------------------------------------------------------
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-- | Core commands
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runScreenLock :: SometimesX
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runScreenLock = sometimesExe "screen locker" "i3lock script"
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[Package False "i3lock-color"] False myScreenlock
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runPowerOff :: X ()
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runPowerOff = spawn "systemctl poweroff"
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runSuspend :: X ()
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runSuspend = spawn "systemctl suspend"
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runHibernate :: X ()
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runHibernate = spawn "systemctl hibernate"
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runReboot :: X ()
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runReboot = spawn "systemctl reboot"
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--------------------------------------------------------------------------------
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-- | Autolock
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runAutolock :: Sometimes (IO ProcessHandle)
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runAutolock = sometimesIO_ "automatic screen lock" "xss-lock" tree cmd
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where
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tree = And_ (Only_ $ sysExe [Package True "xss-lock"] "xss-lock")
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$ Only_ $ IOSometimes_ runScreenLock
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cmd = snd <$> spawnPipeArgs "xss-lock" ["--ignore-sleep", "screenlock"]
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--------------------------------------------------------------------------------
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-- | Confirmation prompts
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promptFontDep :: IOTree T.FontBuilder
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promptFontDep = fontTreeAlt T.defFontFamily defFontPkgs
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defFontPkgs :: [Fulfillment]
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defFontPkgs = [Package True "ttf-dejavu"]
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confirmPrompt' :: String -> X () -> T.FontBuilder -> X ()
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confirmPrompt' s x fb = confirmPrompt (T.promptTheme fb) s x
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suspendPrompt :: T.FontBuilder -> X ()
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suspendPrompt = confirmPrompt' "suspend?" runSuspend
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quitPrompt :: T.FontBuilder -> X ()
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quitPrompt = confirmPrompt' "quit?" $ io exitSuccess
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sometimesPrompt :: String -> (T.FontBuilder -> X ()) -> SometimesX
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sometimesPrompt n = sometimesIO n (n ++ " command") promptFontDep
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-- TODO doesn't this need to also lock the screen?
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runSuspendPrompt :: SometimesX
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runSuspendPrompt = sometimesPrompt "suspend prompt" suspendPrompt
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runQuitPrompt :: SometimesX
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runQuitPrompt = sometimesPrompt "quit prompt" quitPrompt
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--------------------------------------------------------------------------------
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-- | Nvidia Optimus
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-- TODO for some reason the screen never wakes up after suspend when
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-- the nvidia card is up, so block suspend if nvidia card is running
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-- and warn user
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isUsingNvidia :: IO Bool
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isUsingNvidia = doesDirectoryExist "/sys/module/nvidia"
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hasBattery :: IO (Maybe String)
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hasBattery = do
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ps <- fromRight [] <$> tryIOError (listDirectory syspath)
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ts <- mapM readType ps
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return $ if "Battery\n" `elem` ts then Nothing else Just "battery not found"
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where
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readType p = fromRight [] <$> tryIOError (readFile $ syspath </> p </> "type")
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syspath = "/sys/class/power_supply"
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runOptimusPrompt' :: T.FontBuilder -> X ()
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runOptimusPrompt' fb = do
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nvidiaOn <- io isUsingNvidia
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switch $ if nvidiaOn then "integrated" else "nvidia"
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where
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switch mode = confirmPrompt' (prompt mode) (cmd mode) fb
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prompt mode = "gpu switch to " ++ mode ++ "?"
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cmd mode = spawn $
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myPrimeOffload
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#!&& unwords [myOptimusManager, "--switch", mode, "--no-confirm"]
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#!&& "killall xmonad"
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runOptimusPrompt :: SometimesX
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runOptimusPrompt = Sometimes "graphics switcher"
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(\x -> xpfOptimus x && xpfBattery x) [s]
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where
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s = Subfeature { sfData = r, sfName = "optimus manager" }
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r = IORoot runOptimusPrompt' t
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t = And1 promptFontDep
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$ listToAnds (socketExists "optimus-manager" [] socketName)
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$ sysExe optimusPackages <$> [myOptimusManager, myPrimeOffload]
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socketName = (</> "optimus-manager") <$> getTemporaryDirectory
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--------------------------------------------------------------------------------
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-- | Universal power prompt
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data PowerMaybeAction = Poweroff
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| Shutdown
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| Hibernate
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| Reboot
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deriving (Eq)
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instance Enum PowerMaybeAction where
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toEnum 0 = Poweroff
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toEnum 1 = Shutdown
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toEnum 2 = Hibernate
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toEnum 3 = Reboot
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toEnum _ = errorWithoutStackTrace "Main.Enum.PowerMaybeAction.toEnum: bad argument"
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fromEnum Poweroff = 0
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fromEnum Shutdown = 1
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fromEnum Hibernate = 2
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fromEnum Reboot = 3
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data PowerPrompt = PowerPrompt
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instance XPrompt PowerPrompt where
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showXPrompt PowerPrompt = "(P)oweroff (S)uspend (H)ibernate (R)eboot:"
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runPowerPrompt :: SometimesX
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runPowerPrompt = Sometimes "power prompt" (const True) [sf]
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where
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sf = Subfeature withLock "prompt with lock"
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withLock = IORoot (uncurry powerPrompt) tree
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tree = And12 (,) lockTree promptFontDep
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lockTree = Or (Only $ IOSometimes runScreenLock id) (Only $ IOConst skip)
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powerPrompt :: X () -> T.FontBuilder -> X ()
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powerPrompt lock fb = mkXPrompt PowerPrompt theme comp executeMaybeAction
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where
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comp = mkComplFunFromList theme []
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theme = (T.promptTheme fb) { promptKeymap = keymap }
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keymap = M.fromList
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$ ((controlMask, xK_g), quit) :
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map (first $ (,) 0)
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[ (xK_p, sendMaybeAction Poweroff)
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, (xK_s, sendMaybeAction Shutdown)
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, (xK_h, sendMaybeAction Hibernate)
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, (xK_r, sendMaybeAction Reboot)
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, (xK_Return, quit)
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, (xK_Escape, quit)
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]
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sendMaybeAction a = setInput (show $ fromEnum a) >> setSuccess True >> setDone True
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executeMaybeAction a = case toEnum $ read a of
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Poweroff -> runPowerOff
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Shutdown -> lock >> runSuspend
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Hibernate -> lock >> runHibernate
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Reboot -> runReboot
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