From 6ebe2d9e72175eee241f6e35e6d59bda770242e7 Mon Sep 17 00:00:00 2001
From: Luke Bonham <dada@archlinux.info>
Date: Tue, 22 Mar 2016 08:39:38 +0100
Subject: [PATCH] bat: #177 fix Watt computation; make AC state available #178

---
 widgets/alsabar.lua |  2 +-
 widgets/bat.lua     | 47 +++++++++++++++++++++++++--------------------
 wiki                |  2 +-
 3 files changed, 28 insertions(+), 23 deletions(-)

diff --git a/widgets/alsabar.lua b/widgets/alsabar.lua
index 7e8cd5a..83e27b5 100644
--- a/widgets/alsabar.lua
+++ b/widgets/alsabar.lua
@@ -127,7 +127,7 @@ local function worker(args)
         -- Capture mixer control state:          [5%] ... ... [on]
         local volu, mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
 
-        if tonumber(volu) ~= alsabar._current_level or string.match(mute, "on") ~= alsabar._muted
+        if (volu and tonumber(volu) ~= alsabar._current_level) or string.match(mute, "on") ~= alsabar._muted
         then
             alsabar._current_level = tonumber(volu)
             alsabar.bar:set_value(alsabar._current_level / 100)
diff --git a/widgets/bat.lua b/widgets/bat.lua
index d55be17..9740bbe 100644
--- a/widgets/bat.lua
+++ b/widgets/bat.lua
@@ -23,11 +23,12 @@ local setmetatable = setmetatable
 -- lain.widgets.bat
 
 local function worker(args)
-    local bat = {}
-    local args = args or {}
-    local timeout = args.timeout or 30
-    local battery = args.battery or "BAT0"
-    local notify = args.notify or "on"
+    local bat      = {}
+    local args     = args or {}
+    local timeout  = args.timeout or 30
+    local battery  = args.battery or "BAT0"
+    local ac       = args.ac or "AC0"
+    local notify   = args.notify or "on"
     local settings = args.settings or function() end
 
     bat.widget = wibox.widget.textbox('')
@@ -50,32 +51,34 @@ local function worker(args)
 
     function update()
         bat_now = {
-            status = "Not present",
-            perc   = "N/A",
-            time   = "N/A",
-            watt   = "N/A"
+            status    = "Not present",
+            ac_status = "N/A",
+            perc      = "N/A",
+            time      = "N/A",
+            watt      = "N/A"
         }
 
-        local bstr  = "/sys/class/power_supply/" .. battery
-
+        local bstr    = "/sys/class/power_supply/" .. battery
         local present = first_line(bstr .. "/present")
 
         if present == "1"
         then
-            local rate  = first_line(bstr .. "/power_now") or
-                          first_line(bstr .. "/current_now")
+            local rate     = first_line(bstr .. "/power_now")
+
+            local rate_alt = first_line(bstr .. "/current_now")
 
-            local ratev = first_line(bstr .. "/voltage_now")
+            local ratev    = first_line(bstr .. "/voltage_now")
 
-            local rem   = first_line(bstr .. "/energy_now") or
-                          first_line(bstr .. "/charge_now")
+            local rem      = first_line(bstr .. "/energy_now") or
+                             first_line(bstr .. "/charge_now")
 
-            local tot   = first_line(bstr .. "/energy_full") or
-                          first_line(bstr .. "/charge_full")
+            local tot      = first_line(bstr .. "/energy_full") or
+                             first_line(bstr .. "/charge_full")
 
             bat_now.status = first_line(bstr .. "/status") or "N/A"
+            bat_now.ac     = first_line(string.format("/sys/class/power_supply/%s/online", ac)) or "N/A"
 
-            rate  = tonumber(rate) or 1
+            rate  = tonumber(rate)
             ratev = tonumber(ratev)
             rem   = tonumber(rem)
             tot   = tonumber(tot)
@@ -107,8 +110,10 @@ local function worker(args)
                 bat_now.perc = "0"
             end
 
-            if rate ~= nil and ratev ~= nil then
+            if rate and ratev then
                 bat_now.watt = string.format("%.2fW", (rate * ratev) / 1e12)
+            elseif rate_alt then
+                bat_now.watt = string.format("%.2fW", rate_alt)
             else
                 bat_now.watt = "N/A"
             end
@@ -119,7 +124,7 @@ local function worker(args)
         settings()
 
         -- notifications for low and critical states
-        if bat_now.status == "Discharging" and notify == "on" and bat_now.perc ~= nil
+        if bat_now.status == "Discharging" and notify == "on" and bat_now.perc
         then
             local nperc = tonumber(bat_now.perc) or 100
             if nperc <= 5
diff --git a/wiki b/wiki
index a39f73e..f1868c3 160000
--- a/wiki
+++ b/wiki
@@ -1 +1 @@
-Subproject commit a39f73e09d8862493c1c0db542c86db0918b4a39
+Subproject commit f1868c31feab78b1898998407a597e3c06ee71ba
-- 
2.39.5