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|
------------------------------------------------------------------------------
-- |
-- Module: Xmobar.Plugins.Monitors.Run
-- Copyright: (c) 2018 Jose Antonio Ortega Ruiz
-- License: BSD3-style (see LICENSE)
--
-- Maintainer: jao@gnu.org
-- Stability: unstable
-- Portability: portable
-- Created: Sun Dec 02, 2018 04:17
--
--
-- Running a monitor
--
------------------------------------------------------------------------------
module Xmobar.Plugins.Monitors.Common.Run ( runM
, runMD
, runMB
, runMBD
) where
import Control.Exception (SomeException,handle)
import Data.List
import Control.Monad.Reader
import System.Console.GetOpt
import Xmobar.Plugins.Monitors.Common.Types
import Xmobar.Run.Exec (tenthSeconds)
options :: [OptDescr Opts]
options =
[
Option "H" ["High"] (ReqArg High "number") "The high threshold"
, Option "L" ["Low"] (ReqArg Low "number") "The low threshold"
, Option "h" ["high"] (ReqArg HighColor "color number") "Color for the high threshold: ex \"#FF0000\""
, Option "n" ["normal"] (ReqArg NormalColor "color number") "Color for the normal threshold: ex \"#00FF00\""
, Option "l" ["low"] (ReqArg LowColor "color number") "Color for the low threshold: ex \"#0000FF\""
, Option "t" ["template"] (ReqArg Template "output template") "Output template."
, Option "S" ["suffix"] (ReqArg UseSuffix "True/False") "Use % to display percents or other suffixes."
, Option "d" ["ddigits"] (ReqArg DecDigits "decimal digits") "Number of decimal digits to display."
, Option "p" ["ppad"] (ReqArg PercentPad "percent padding") "Minimum percentage width."
, Option "m" ["minwidth"] (ReqArg MinWidth "minimum width") "Minimum field width"
, Option "M" ["maxwidth"] (ReqArg MaxWidth "maximum width") "Maximum field width"
, Option "w" ["width"] (ReqArg Width "fixed width") "Fixed field width"
, Option "e" ["maxwidthellipsis"] (ReqArg WidthEllipsis "Maximum width ellipsis") "Ellipsis to be added to the field when it has reached its max width."
, Option "c" ["padchars"] (ReqArg PadChars "padding chars") "Characters to use for padding"
, Option "a" ["align"] (ReqArg PadAlign "padding alignment") "'l' for left padding, 'r' for right"
, Option "b" ["bback"] (ReqArg BarBack "bar background") "Characters used to draw bar backgrounds"
, Option "f" ["bfore"] (ReqArg BarFore "bar foreground") "Characters used to draw bar foregrounds"
, Option "W" ["bwidth"] (ReqArg BarWidth "bar width") "Bar width"
, Option "x" ["nastring"] (ReqArg NAString "N/A string") "String used when the monitor is not available"
, Option "T" ["maxtwidth"] (ReqArg MaxTotalWidth "Maximum total width") "Maximum total width"
, Option "E" ["maxtwidthellipsis"] (ReqArg MaxTotalWidthEllipsis "Maximum total width ellipsis") "Ellipsis to be added to the total text when it has reached its max width."
]
doArgs :: [String]
-> ([String] -> Monitor String)
-> ([String] -> Monitor Bool)
-> Monitor String
doArgs args action detect =
case getOpt Permute options args of
(o, n, []) -> do doConfigOptions o
ready <- detect n
if ready
then action n
else return "<Waiting...>"
(_, _, errs) -> return (concat errs)
doConfigOptions :: [Opts] -> Monitor ()
doConfigOptions [] = io $ return ()
doConfigOptions (o:oo) =
do let next = doConfigOptions oo
nz s = let x = read s in max 0 x
bool = (`elem` ["True", "true", "Yes", "yes", "On", "on"])
(case o of
High h -> setConfigValue (read h) high
Low l -> setConfigValue (read l) low
HighColor c -> setConfigValue (Just c) highColor
NormalColor c -> setConfigValue (Just c) normalColor
LowColor c -> setConfigValue (Just c) lowColor
Template t -> setConfigValue t template
PercentPad p -> setConfigValue (nz p) ppad
DecDigits d -> setConfigValue (nz d) decDigits
MinWidth w -> setConfigValue (nz w) minWidth
MaxWidth w -> setConfigValue (nz w) maxWidth
Width w -> setConfigValue (nz w) minWidth >>
setConfigValue (nz w) maxWidth
WidthEllipsis e -> setConfigValue e maxWidthEllipsis
PadChars s -> setConfigValue s padChars
PadAlign a -> setConfigValue ("r" `isPrefixOf` a) padRight
BarBack s -> setConfigValue s barBack
BarFore s -> setConfigValue s barFore
BarWidth w -> setConfigValue (nz w) barWidth
UseSuffix u -> setConfigValue (bool u) useSuffix
NAString s -> setConfigValue s naString
MaxTotalWidth w -> setConfigValue (nz w) maxTotalWidth
MaxTotalWidthEllipsis e -> setConfigValue e maxTotalWidthEllipsis) >> next
runM :: [String] -> IO MConfig -> ([String] -> Monitor String) -> Int
-> (String -> IO ()) -> IO ()
runM args conf action r = runMB args conf action (tenthSeconds r)
runMD :: [String] -> IO MConfig -> ([String] -> Monitor String) -> Int
-> ([String] -> Monitor Bool) -> (String -> IO ()) -> IO ()
runMD args conf action r = runMBD args conf action (tenthSeconds r)
runMB :: [String] -> IO MConfig -> ([String] -> Monitor String) -> IO ()
-> (String -> IO ()) -> IO ()
runMB args conf action wait = runMBD args conf action wait (\_ -> return True)
runMBD :: [String] -> IO MConfig -> ([String] -> Monitor String) -> IO ()
-> ([String] -> Monitor Bool) -> (String -> IO ()) -> IO ()
runMBD args conf action wait detect cb = handle (cb . showException) loop
where ac = doArgs args action detect
loop = conf >>= runReaderT ac >>= cb >> wait >> loop
showException :: SomeException -> String
showException = ("error: "++) . show . flip asTypeOf undefined
|
