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|
{-# LANGUAGE CPP #-}
-----------------------------------------------------------------------------
-- |
-- Module : Xmobar
-- Copyright : (c) 2011, 2012, 2013, 2014, 2015, 2017, 2018 Jose Antonio Ortega Ruiz
-- (c) 2007 Andrea Rossato
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Jose A. Ortega Ruiz <jao@gnu.org>
-- Stability : unstable
-- Portability : unportable
--
-- A status bar for the Xmonad Window Manager
--
-----------------------------------------------------------------------------
module Xmobar (xmobar, Runnable (..), module Xmobar.Config) where
import Xmobar.EventLoop (startLoop, startCommand)
import Xmobar.Config
import Xmobar.Runnable
import Data.Foldable (for_)
import qualified Data.Map as Map
import Graphics.X11.Xlib
import Control.Concurrent.Async (Async, cancel)
import Control.Exception (bracket)
import Xmobar.Parsers
import Xmobar.XUtil
import Xmobar.Signal (setupSignalHandler, withDeferSignals)
import Xmobar.Window
import Xmobar.Types
splitTemplate :: Config -> [String]
splitTemplate conf =
case break (==l) t of
(le,_:re) -> case break (==r) re of
(ce,_:ri) -> [le, ce, ri]
_ -> def
_ -> def
where [l, r] = alignSep
(if length (alignSep conf) == 2 then conf else defaultConfig)
t = template conf
def = [t, "", ""]
xmobar :: Config -> IO ()
xmobar conf = withDeferSignals $ do
initThreads
d <- openDisplay ""
fs <- initFont d (font conf)
fl <- mapM (initFont d) (additionalFonts conf)
cls <- mapM (parseTemplate conf) (splitTemplate conf)
sig <- setupSignalHandler
bracket (mapM (mapM $ startCommand sig) cls)
cleanupThreads
$ \vars -> do
(r,w) <- createWin d fs conf
let ic = Map.empty
to = textOffset conf
ts = textOffsets conf ++ replicate (length fl) (-1)
startLoop (XConf d r w (fs:fl) (to:ts) ic conf) sig vars
cleanupThreads :: [[([Async ()], a)]] -> IO ()
cleanupThreads vars =
for_ (concat vars) $ \(asyncs, _) ->
for_ asyncs cancel
|
