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|
------------------------------------------------------------------------------
-- |
-- Module: Xmobar.App.Main
-- Copyright: (c) 2018 Jose Antonio Ortega Ruiz
-- License: BSD3-style (see LICENSE)
--
-- Maintainer: jao@gnu.org
-- Stability: unstable
-- Portability: portable
-- Created: Sun Nov 25, 2018 21:53
--
--
-- Support for creating executable main functions
--
------------------------------------------------------------------------------
module Xmobar.App.Main (xmobar) where
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.Config
import Xmobar.System.Signal (setupSignalHandler, withDeferSignals)
import Xmobar.Run.Template
import Xmobar.X11.Types
import Xmobar.X11.XUtil
import Xmobar.X11.Window
import Xmobar.App.EventLoop (startLoop, startCommand)
xmobar :: Config -> IO ()
xmobar conf = withDeferSignals $ do
initThreads
d <- openDisplay ""
fs <- initFont d (font conf)
fl <- mapM (initFont d) (additionalFonts conf)
cls <- mapM (parseTemplate (commands conf) (sepChar conf))
(splitTemplate (alignSep conf) (template 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
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