From 4d1402a1a7d87767267d48a77998e4fb13395b31 Mon Sep 17 00:00:00 2001
From: Pavan Rikhi <pavan.rikhi@gmail.com>
Date: Sat, 17 Mar 2018 22:48:24 -0400
Subject: Split Modules into Library & Executable Structure

Move the Main module to a new `app` directory. All other modules have
been nested under the `Xmobar` name. Lots of module headers & imports
were updated.
---
 src/Xmobar/Plugins/Monitors/Wireless.hs | 70 +++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 src/Xmobar/Plugins/Monitors/Wireless.hs

(limited to 'src/Xmobar/Plugins/Monitors/Wireless.hs')

diff --git a/src/Xmobar/Plugins/Monitors/Wireless.hs b/src/Xmobar/Plugins/Monitors/Wireless.hs
new file mode 100644
index 0000000..545f6bc
--- /dev/null
+++ b/src/Xmobar/Plugins/Monitors/Wireless.hs
@@ -0,0 +1,70 @@
+-----------------------------------------------------------------------------
+-- |
+-- Module      :  Plugins.Monitors.Wireless
+-- Copyright   :  (c) Jose Antonio Ortega Ruiz
+-- License     :  BSD-style (see LICENSE)
+--
+-- Maintainer  :  Jose Antonio Ortega Ruiz
+-- Stability   :  unstable
+-- Portability :  unportable
+--
+-- A monitor reporting ESSID and link quality for wireless interfaces
+--
+-----------------------------------------------------------------------------
+
+module Xmobar.Plugins.Monitors.Wireless (wirelessConfig, runWireless)  where
+
+import System.Console.GetOpt
+
+import Xmobar.Plugins.Monitors.Common
+import Network.IWlib
+
+newtype WirelessOpts = WirelessOpts
+  { qualityIconPattern :: Maybe IconPattern
+  }
+
+defaultOpts :: WirelessOpts
+defaultOpts = WirelessOpts
+  { qualityIconPattern = Nothing
+  }
+
+options :: [OptDescr (WirelessOpts -> WirelessOpts)]
+options =
+  [ Option "" ["quality-icon-pattern"] (ReqArg (\d opts ->
+     opts { qualityIconPattern = Just $ parseIconPattern d }) "") ""
+  ]
+
+parseOpts :: [String] -> IO WirelessOpts
+parseOpts argv =
+  case getOpt Permute options argv of
+       (o, _, []) -> return $ foldr id defaultOpts o
+       (_, _, errs) -> ioError . userError $ concat errs
+
+wirelessConfig :: IO MConfig
+wirelessConfig =
+  mkMConfig "<essid> <quality>"
+            ["essid", "quality", "qualitybar", "qualityvbar", "qualityipat"]
+
+runWireless :: String -> [String] -> Monitor String
+runWireless iface args = do
+  opts <- io $ parseOpts args
+  iface' <- if "" == iface then io findInterface else return iface
+  wi <- io $ getWirelessInfo iface'
+  na <- getConfigValue naString
+  let essid = wiEssid wi
+      qlty = fromIntegral $ wiQuality wi
+      e = if essid == "" then na else essid
+  ep <- showWithPadding e
+  q <- if qlty >= 0
+       then showPercentWithColors (qlty / 100)
+       else showWithPadding ""
+  qb <- showPercentBar qlty (qlty / 100)
+  qvb <- showVerticalBar qlty (qlty / 100)
+  qipat <- showIconPattern (qualityIconPattern opts) (qlty / 100)
+  parseTemplate [ep, q, qb, qvb, qipat]
+
+findInterface :: IO String
+findInterface = do
+  c <- readFile "/proc/net/wireless"
+  let nds = lines c
+  return $ if length nds > 2 then takeWhile (/= 'c') (nds!!2) else []
-- 
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