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Diffstat (limited to 'src/Xmobar/Plugins/Monitors/Batt.hs')
| -rw-r--r-- | src/Xmobar/Plugins/Monitors/Batt.hs | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/src/Xmobar/Plugins/Monitors/Batt.hs b/src/Xmobar/Plugins/Monitors/Batt.hs deleted file mode 100644 index 80f4275..0000000 --- a/src/Xmobar/Plugins/Monitors/Batt.hs +++ /dev/null @@ -1,247 +0,0 @@ ------------------------------------------------------------------------------ --- | --- Module : Plugins.Monitors.Batt --- Copyright : (c) 2010, 2011, 2012, 2013, 2015, 2016, 2018 Jose A Ortega --- (c) 2010 Andrea Rossato, Petr Rockai --- License : BSD-style (see LICENSE) --- --- Maintainer : Jose A. Ortega Ruiz <jao@gnu.org> --- Stability : unstable --- Portability : unportable --- --- A battery monitor for Xmobar --- ------------------------------------------------------------------------------ - -module Xmobar.Plugins.Monitors.Batt ( battConfig, runBatt, runBatt' ) where - -import Control.Exception (SomeException, handle) -import Xmobar.Plugins.Monitors.Common -import System.FilePath ((</>)) -import System.IO (IOMode(ReadMode), hGetLine, withFile) -import System.Posix.Files (fileExist) -import System.Console.GetOpt -import Data.List (sort, sortBy, group) -import Data.Maybe (fromMaybe) -import Data.Ord (comparing) -import Text.Read (readMaybe) - -data BattOpts = BattOpts - { onString :: String - , offString :: String - , idleString :: String - , posColor :: Maybe String - , lowWColor :: Maybe String - , mediumWColor :: Maybe String - , highWColor :: Maybe String - , lowThreshold :: Float - , highThreshold :: Float - , onlineFile :: FilePath - , scale :: Float - , onIconPattern :: Maybe IconPattern - , offIconPattern :: Maybe IconPattern - , idleIconPattern :: Maybe IconPattern - } - -defaultOpts :: BattOpts -defaultOpts = BattOpts - { onString = "On" - , offString = "Off" - , idleString = "On" - , posColor = Nothing - , lowWColor = Nothing - , mediumWColor = Nothing - , highWColor = Nothing - , lowThreshold = 10 - , highThreshold = 12 - , onlineFile = "AC/online" - , scale = 1e6 - , onIconPattern = Nothing - , offIconPattern = Nothing - , idleIconPattern = Nothing - } - -options :: [OptDescr (BattOpts -> BattOpts)] -options = - [ Option "O" ["on"] (ReqArg (\x o -> o { onString = x }) "") "" - , Option "o" ["off"] (ReqArg (\x o -> o { offString = x }) "") "" - , Option "i" ["idle"] (ReqArg (\x o -> o { idleString = x }) "") "" - , Option "p" ["positive"] (ReqArg (\x o -> o { posColor = Just x }) "") "" - , Option "l" ["low"] (ReqArg (\x o -> o { lowWColor = Just x }) "") "" - , Option "m" ["medium"] (ReqArg (\x o -> o { mediumWColor = Just x }) "") "" - , Option "h" ["high"] (ReqArg (\x o -> o { highWColor = Just x }) "") "" - , Option "L" ["lowt"] (ReqArg (\x o -> o { lowThreshold = read x }) "") "" - , Option "H" ["hight"] (ReqArg (\x o -> o { highThreshold = read x }) "") "" - , Option "f" ["online"] (ReqArg (\x o -> o { onlineFile = x }) "") "" - , Option "s" ["scale"] (ReqArg (\x o -> o {scale = read x}) "") "" - , Option "" ["on-icon-pattern"] (ReqArg (\x o -> - o { onIconPattern = Just $ parseIconPattern x }) "") "" - , Option "" ["off-icon-pattern"] (ReqArg (\x o -> - o { offIconPattern = Just $ parseIconPattern x }) "") "" - , Option "" ["idle-icon-pattern"] (ReqArg (\x o -> - o { idleIconPattern = Just $ parseIconPattern x }) "") "" - ] - -parseOpts :: [String] -> IO BattOpts -parseOpts argv = - case getOpt Permute options argv of - (o, _, []) -> return $ foldr id defaultOpts o - (_, _, errs) -> ioError . userError $ concat errs - -data Status = Charging | Discharging | Full | Idle | Unknown deriving (Read, Eq) - -data Result = Result Float Float Float Status | NA - -sysDir :: FilePath -sysDir = "/sys/class/power_supply" - -battConfig :: IO MConfig -battConfig = mkMConfig - "Batt: <watts>, <left>% / <timeleft>" -- template - ["leftbar", "leftvbar", "left", "acstatus", "timeleft", "watts", "leftipat"] -- replacements - -data Files = Files - { fFull :: String - , fNow :: String - , fVoltage :: String - , fCurrent :: String - , fStatus :: String - , isCurrent :: Bool - } | NoFiles deriving Eq - -data Battery = Battery - { full :: !Float - , now :: !Float - , power :: !Float - , status :: !String - } - -safeFileExist :: String -> String -> IO Bool -safeFileExist d f = handle noErrors $ fileExist (d </> f) - where noErrors = const (return False) :: SomeException -> IO Bool - -batteryFiles :: String -> IO Files -batteryFiles bat = - do is_charge <- exists "charge_now" - is_energy <- if is_charge then return False else exists "energy_now" - is_power <- exists "power_now" - plain <- exists (if is_charge then "charge_full" else "energy_full") - let cf = if is_power then "power_now" else "current_now" - sf = if plain then "" else "_design" - return $ case (is_charge, is_energy) of - (True, _) -> files "charge" cf sf is_power - (_, True) -> files "energy" cf sf is_power - _ -> NoFiles - where prefix = sysDir </> bat - exists = safeFileExist prefix - files ch cf sf ip = Files { fFull = prefix </> ch ++ "_full" ++ sf - , fNow = prefix </> ch ++ "_now" - , fCurrent = prefix </> cf - , fVoltage = prefix </> "voltage_now" - , fStatus = prefix </> "status" - , isCurrent = not ip} - -haveAc :: FilePath -> IO Bool -haveAc f = - handle onError $ withFile (sysDir </> f) ReadMode (fmap (== "1") . hGetLine) - where onError = const (return False) :: SomeException -> IO Bool - -readBattery :: Float -> Files -> IO Battery -readBattery _ NoFiles = return $ Battery 0 0 0 "Unknown" -readBattery sc files = - do a <- grab $ fFull files - b <- grab $ fNow files - d <- grab $ fCurrent files - s <- grabs $ fStatus files - let sc' = if isCurrent files then sc / 10 else sc - a' = max a b -- sometimes the reported max charge is lower than - return $ Battery (3600 * a' / sc') -- wattseconds - (3600 * b / sc') -- wattseconds - (d / sc') -- watts - s -- string: Discharging/Charging/Full - where grab f = handle onError $ withFile f ReadMode (fmap read . hGetLine) - onError = const (return (-1)) :: SomeException -> IO Float - grabs f = handle onError' $ withFile f ReadMode hGetLine - onError' = const (return "Unknown") :: SomeException -> IO String - --- sortOn is only available starting at ghc 7.10 -sortOn :: Ord b => (a -> b) -> [a] -> [a] -sortOn f = - map snd . sortBy (comparing fst) . map (\x -> let y = f x in y `seq` (y, x)) - -mostCommonDef :: Eq a => a -> [a] -> a -mostCommonDef x xs = head $ last $ [x] : sortOn length (group xs) - -readBatteries :: BattOpts -> [Files] -> IO Result -readBatteries opts bfs = - do let bfs' = filter (/= NoFiles) bfs - bats <- mapM (readBattery (scale opts)) (take 3 bfs') - ac <- haveAc (onlineFile opts) - let sign = if ac then 1 else -1 - ft = sum (map full bats) - left = if ft > 0 then sum (map now bats) / ft else 0 - watts = sign * sum (map power bats) - time = if watts == 0 then 0 else max 0 (sum $ map time' bats) - mwatts = if watts == 0 then 1 else sign * watts - time' b = (if ac then full b - now b else now b) / mwatts - statuses :: [Status] - statuses = map (fromMaybe Unknown . readMaybe) - (sort (map status bats)) - acst = mostCommonDef Unknown $ filter (Unknown/=) statuses - racst | acst /= Unknown = acst - | time == 0 = Idle - | ac = Charging - | otherwise = Discharging - return $ if isNaN left then NA else Result left watts time racst - -runBatt :: [String] -> Monitor String -runBatt = runBatt' ["BAT", "BAT0", "BAT1", "BAT2"] - -runBatt' :: [String] -> [String] -> Monitor String -runBatt' bfs args = do - opts <- io $ parseOpts args - c <- io $ readBatteries opts =<< mapM batteryFiles bfs - suffix <- getConfigValue useSuffix - d <- getConfigValue decDigits - nas <- getConfigValue naString - case c of - Result x w t s -> - do l <- fmtPercent x - ws <- fmtWatts w opts suffix d - si <- getIconPattern opts s x - parseTemplate (l ++ [fmtStatus opts s nas, fmtTime $ floor t, ws, si]) - NA -> getConfigValue naString - where fmtPercent :: Float -> Monitor [String] - fmtPercent x = do - let x' = minimum [1, x] - p <- showPercentWithColors x' - b <- showPercentBar (100 * x') x' - vb <- showVerticalBar (100 * x') x' - return [b, vb, p] - fmtWatts x o s d = do - ws <- showWithPadding $ showDigits d x ++ (if s then "W" else "") - return $ color x o ws - fmtTime :: Integer -> String - fmtTime x = hours ++ ":" ++ if length minutes == 2 - then minutes else '0' : minutes - where hours = show (x `div` 3600) - minutes = show ((x `mod` 3600) `div` 60) - fmtStatus opts Idle _ = idleString opts - fmtStatus _ Unknown na = na - fmtStatus opts Full _ = idleString opts - fmtStatus opts Charging _ = onString opts - fmtStatus opts Discharging _ = offString opts - maybeColor Nothing str = str - maybeColor (Just c) str = "<fc=" ++ c ++ ">" ++ str ++ "</fc>" - color x o | x >= 0 = maybeColor (posColor o) - | -x >= highThreshold o = maybeColor (highWColor o) - | -x >= lowThreshold o = maybeColor (mediumWColor o) - | otherwise = maybeColor (lowWColor o) - getIconPattern opts st x = do - let x' = minimum [1, x] - case st of - Unknown -> showIconPattern (offIconPattern opts) x' - Idle -> showIconPattern (idleIconPattern opts) x' - Full -> showIconPattern (idleIconPattern opts) x' - Charging -> showIconPattern (onIconPattern opts) x' - Discharging -> showIconPattern (offIconPattern opts) x' |