From 12424d6eda711947eff7fad4f1429627b780fe01 Mon Sep 17 00:00:00 2001
From: Jose Antonio Ortega Ruiz <jao@gnu.org>
Date: Sun, 26 May 2013 14:20:51 +0200
Subject: New idle status for battery monitor

---
 news.md                      |  3 ++-
 readme.md                    |  7 ++++++-
 src/Plugins/Monitors/Batt.hs | 11 ++++++++---
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/news.md b/news.md
index 0379160..740d2dd 100644
--- a/news.md
+++ b/news.md
@@ -5,7 +5,8 @@
 _New features_
 
   - The battery monitor accepts template variables in its `-O` and
-    `-o` (on/off AC-status) arguments (see [github #109]).
+    `-o` and the new `-i` (on/off/idle AC-status) arguments (see
+    [github #109]).
 
 [github #109]: https://github.com/jaor/xmobar/issues/109
 
diff --git a/readme.md b/readme.md
index 6055f56..fe22d37 100644
--- a/readme.md
+++ b/readme.md
@@ -734,6 +734,7 @@ something like:
   (these options, being specific to the monitor, are to be specified
   after a `--` in the argument list):
   - `-O`: string for AC "on" status (default: "On")
+  - `-i`: string for AC "idle" status (default: "On")
   - `-o`: string for AC "off" status (default: "Off")
   - `-L`: low power (`watts`) threshold (default: -12)
   - `-H`: high power threshold (default: -10)
@@ -753,7 +754,7 @@ something like:
          Run BatteryP ["BAT0"]
                       ["-t", "<acstatus><watts> (<left>%)",
                        "-L", "10", "-H", "80", "-p", "3",
-                       "--", "-O", "<fc=green>On</fc> - ", "-o", "",
+                       "--", "-O", "<fc=green>On</fc> - ", "-i", "",
                        "-L", "-15", "-H", "-5",
                        "-l", "red", "-m", "blue", "-h", "green"]
                       600
@@ -774,6 +775,10 @@ something like:
                       , "--", "-O", "Charging", "-o", "Battery: <left>%"
                       ] 10
 
+- The "idle" AC state is selected whenever the AC power entering the
+  battery is zero.
+
+
 ### `TopProc Args RefreshRate`
 
 - Aliases to `top`
diff --git a/src/Plugins/Monitors/Batt.hs b/src/Plugins/Monitors/Batt.hs
index dc18c54..eddec06 100644
--- a/src/Plugins/Monitors/Batt.hs
+++ b/src/Plugins/Monitors/Batt.hs
@@ -25,6 +25,7 @@ import System.Console.GetOpt
 data BattOpts = BattOpts
   { onString :: String
   , offString :: String
+  , idleString :: String
   , posColor :: Maybe String
   , lowWColor :: Maybe String
   , mediumWColor :: Maybe String
@@ -39,6 +40,7 @@ defaultOpts :: BattOpts
 defaultOpts = BattOpts
   { onString = "On"
   , offString = "Off"
+  , idleString = "On"
   , posColor = Nothing
   , lowWColor = Nothing
   , mediumWColor = Nothing
@@ -53,6 +55,7 @@ options :: [OptDescr (BattOpts -> BattOpts)]
 options =
   [ Option "O" ["on"] (ReqArg (\x o -> o { onString = x }) "") ""
   , Option "o" ["off"] (ReqArg (\x o -> o { offString = x }) "") ""
+  , Option "i" ["idle"] (ReqArg (\x o -> o { idleString = x }) "") ""
   , Option "p" ["positive"] (ReqArg (\x o -> o { posColor = Just x }) "") ""
   , Option "l" ["low"] (ReqArg (\x o -> o { lowWColor = Just x }) "") ""
   , Option "m" ["medium"] (ReqArg (\x o -> o { mediumWColor = Just x }) "") ""
@@ -140,10 +143,12 @@ readBatteries opts bfs =
            ft = sum (map full bats)
            left = if ft > 0 then sum (map now bats) / ft else 0
            watts = sign * sum (map power bats)
-           time = if watts == 0 then 0 else sum $ map time' bats
-           mwatts = if watts == 0 then 1 else sign * watts
+           idle = watts == 0
+           time = if idle then 0 else sum $ map time' bats
+           mwatts = if idle then 1 else sign * watts
            time' b = (if ac then full b - now b else now b) / mwatts
-           acstr = if ac then onString opts else offString opts
+           acstr = if idle then idleString opts else
+                     if ac then onString opts else offString opts
        return $ if isNaN left then NA else Result left watts time acstr
 
 runBatt :: [String] -> Monitor String
-- 
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