From d0c5040aca2add1398e37ef96004924fc8e6ee41 Mon Sep 17 00:00:00 2001
From: jao <jao@gnu.org>
Date: Tue, 15 Oct 2019 03:01:30 +0100
Subject: Battery: -P to show %

---
 changelog.md                                 |  1 +
 readme.md                                    |  1 +
 src/Xmobar/Plugins/Monitors/Batt.hs          | 13 +++++++++----
 src/Xmobar/Plugins/Monitors/Common/Output.hs |  3 ++-
 4 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/changelog.md b/changelog.md
index fb027c5..c0957ad 100644
--- a/changelog.md
+++ b/changelog.md
@@ -5,6 +5,7 @@ _New features_
   - New plugin `MailX` extending `Mail` with colors and prefix/suffix.
   - New options `--lows`, `--mediums`, and `--highs` for `Battery`
     to display an additional string depending on battery level.
+  - New option `-P` in `Battery` to add a `%` symbol to `<left>`.
   - New options `-L` and `-H` for `Volume` to set low and high volume
     levels, as well as `-l`, `-m`, and `-h` to display an additional
     string depending on current volume level.
diff --git a/readme.md b/readme.md
index 6cff2ab..073a181 100644
--- a/readme.md
+++ b/readme.md
@@ -911,6 +911,7 @@ specification, such as `("clear", "<icon=weather-clear.xbm/>")`.
     percentage left in the battery is less or equal than the threshold
     given by the `-A` option.  If not present, no action is
     undertaken.
+  - `-P`: to include a percentage symbol in `left`.
   - `--on-icon-pattern`: dynamic string for current battery charge
     when AC is "on" in `leftipat`.
   - `--off-icon-pattern`: dynamic string for current battery charge
diff --git a/src/Xmobar/Plugins/Monitors/Batt.hs b/src/Xmobar/Plugins/Monitors/Batt.hs
index 16137b1..3f407b6 100644
--- a/src/Xmobar/Plugins/Monitors/Batt.hs
+++ b/src/Xmobar/Plugins/Monitors/Batt.hs
@@ -48,6 +48,7 @@ data BattOpts = BattOpts
   , lowString :: String
   , mediumString :: String
   , highString :: String
+  , incPerc :: Bool
   }
 
 defaultOpts :: BattOpts
@@ -71,6 +72,7 @@ defaultOpts = BattOpts
   , lowString = ""
   , mediumString = ""
   , highString = ""
+  , incPerc = False
   }
 
 options :: [OptDescr (BattOpts -> BattOpts)]
@@ -87,6 +89,7 @@ options =
   , Option "f" ["online"] (ReqArg (\x o -> o { onlineFile = x }) "") ""
   , Option "s" ["scale"] (ReqArg (\x o -> o {scale = read x}) "") ""
   , Option "a" ["action"] (ReqArg (\x o -> o { onLowAction = Just x }) "") ""
+  , Option "P" ["percent"] (NoArg (\o -> o {incPerc = True})) ""
   , Option "A" ["action-threshold"]
                (ReqArg (\x o -> o { actionThreshold = read x }) "") ""
   , Option "" ["on-icon-pattern"] (ReqArg (\x o ->
@@ -243,13 +246,14 @@ runBatt = runBatt' ["BAT", "BAT0", "BAT1", "BAT2"]
 runBatt' :: [String] -> [String] -> Monitor String
 runBatt' bfs args = do
   opts <- io $ parseOpts args
+  let sp = incPerc opts
   c <- io $ readBatteries opts =<< mapM batteryFiles bfs
   suffix <- getConfigValue useSuffix
   d <- getConfigValue decDigits
   nas <- getConfigValue naString
   case c of
     Result x w t s ->
-      do l <- fmtPercent x
+      do l <- fmtPercent x sp
          ws <- fmtWatts w opts suffix d
          si <- getIconPattern opts s x
          st <- showWithColors'
@@ -257,13 +261,14 @@ runBatt' bfs args = do
                  (100 * x)
          parseTemplate (l ++ [st, fmtTime $ floor t, ws, si])
     NA -> getConfigValue naString
-  where fmtPercent :: Float -> Monitor [String]
-        fmtPercent x = do
+  where fmtPercent :: Float -> Bool -> Monitor [String]
+        fmtPercent x sp = do
           let x' = minimum [1, x]
+          pc <- if sp then colorizeString (100 * x') "%" else return ""
           p <- showPercentWithColors x'
           b <- showPercentBar (100 * x') x'
           vb <- showVerticalBar (100 * x') x'
-          return [b, vb, p]
+          return [b, vb, p ++ pc]
         fmtWatts x o s d = do
           ws <- showWithPadding $ showDigits d x ++ (if s then "W" else "")
           return $ color x o ws
diff --git a/src/Xmobar/Plugins/Monitors/Common/Output.hs b/src/Xmobar/Plugins/Monitors/Common/Output.hs
index 53c5b0f..7a14a74 100644
--- a/src/Xmobar/Plugins/Monitors/Common/Output.hs
+++ b/src/Xmobar/Plugins/Monitors/Common/Output.hs
@@ -1,7 +1,7 @@
 ------------------------------------------------------------------------------
 -- |
 -- Module: Xmobar.Plugins.Monitors.Strings
--- Copyright: (c) 2018 Jose Antonio Ortega Ruiz
+-- Copyright: (c) 2018, 2019 Jose Antonio Ortega Ruiz
 -- License: BSD3-style (see LICENSE)
 --
 -- Maintainer: jao@gnu.org
@@ -18,6 +18,7 @@
 module Xmobar.Plugins.Monitors.Common.Output ( IconPattern
                                              , parseIconPattern
                                              , padString
+                                             , colorizeString
                                              , showWithPadding
                                              , showWithColors
                                              , showWithColors'
-- 
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