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|
{-#LANGUAGE CPP #-}
-----------------------------------------------------------------------------
-- |
-- Module : Plugins.Monitors.Mem
-- Copyright : (c) Andrea Rossato
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Jose A. Ortega Ruiz <jao@gnu.org>
-- Stability : unstable
-- Portability : unportable
--
-- A memory monitor for Xmobar
--
-----------------------------------------------------------------------------
module Xmobar.Plugins.Monitors.Mem (memConfig, runMem, totalMem, usedMem) where
import Xmobar.Plugins.Monitors.Common
import System.Console.GetOpt
#if defined(freebsd_HOST_OS)
import qualified Xmobar.Plugins.Monitors.Mem.FreeBSD as MM
#else
import qualified Xmobar.Plugins.Monitors.Mem.Linux as MM
#endif
data MemOpts = MemOpts
{ usedIconPattern :: Maybe IconPattern
, freeIconPattern :: Maybe IconPattern
, availableIconPattern :: Maybe IconPattern
}
defaultOpts :: MemOpts
defaultOpts = MemOpts
{ usedIconPattern = Nothing
, freeIconPattern = Nothing
, availableIconPattern = Nothing
}
options :: [OptDescr (MemOpts -> MemOpts)]
options =
[ Option "" ["used-icon-pattern"] (ReqArg (\x o ->
o { usedIconPattern = Just $ parseIconPattern x }) "") ""
, Option "" ["free-icon-pattern"] (ReqArg (\x o ->
o { freeIconPattern = Just $ parseIconPattern x }) "") ""
, Option "" ["available-icon-pattern"] (ReqArg (\x o ->
o { availableIconPattern = Just $ parseIconPattern x }) "") ""
]
memConfig :: IO MConfig
memConfig = mkMConfig
"Mem: <usedratio>% (<cache>M)" -- template
["usedbar", "usedvbar", "usedipat", "freebar", "freevbar", "freeipat",
"availablebar", "availablevbar", "availableipat",
"usedratio", "freeratio", "availableratio",
"total", "free", "buffer", "cache", "available", "used"] -- available replacements
totalMem :: IO Float
totalMem = fmap ((*1024) . (!!1)) MM.parseMEM
usedMem :: IO Float
usedMem = fmap ((*1024) . (!!6)) MM.parseMEM
formatMem :: MemOpts -> [Float] -> Monitor [String]
formatMem opts (r:fr:ar:xs) =
do let f = showDigits 0
mon i x = [showPercentBar (100 * x) x, showVerticalBar (100 * x) x, showIconPattern i x]
sequence $ mon (usedIconPattern opts) r
++ mon (freeIconPattern opts) fr
++ mon (availableIconPattern opts) ar
++ map showPercentWithColors [r, fr, ar]
++ map (showWithColors f) xs
formatMem _ _ = replicate 10 `fmap` getConfigValue naString
runMem :: [String] -> Monitor String
runMem argv =
do m <- io MM.parseMEM
opts <- io $ parseOptsWith options defaultOpts argv
l <- formatMem opts m
parseTemplate l
|
