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|
-----------------------------------------------------------------------------
-- |
-- Module : Xmobar.Main
-- Copyright : (c) Andrea Rossato
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Andrea Rossato <andrea.rossato@unibz.it>
-- Stability : unstable
-- Portability : unportable
--
-- The main module of Xmobar, a text based status bar
--
-----------------------------------------------------------------------------
module Main ( -- * Main Stuff
-- $main
main
, readConfig
, readDefaultConfig
) where
import Xmobar
import Parsers
import Config
import System.Environment
import System.IO.Error
-- $main
-- | The main entry point
main :: IO ()
main =
do args <- getArgs
config <- case args of
[cfgfile] -> readConfig cfgfile
_ -> readDefaultConfig
cl <- parseTemplate config (template config)
var <- execCommands config cl
(d,w) <- createWin config
runXmobar config var d w eventLoop
-- | Reads the configuration files or quits with an error
readConfig :: FilePath -> IO Config
readConfig f =
do s <- readFile f
case reads s of
[(config,_)] -> return config
[] -> error ("Corrupt config file: " ++ f)
_ -> error ("Some problem occured. Aborting...")
-- | Read default configuration or quit with an error
readDefaultConfig :: IO Config
readDefaultConfig =
do home <- getEnv "HOME"
let path = home ++ "/.xmobarrc"
catch (readConfig path)
(\e -> if isUserError e then ioError e else return defaultConfig)
|
