(re)merged #142

[etc/awesome.git] / widgets / bat.lua

diff --git a/widgets/bat.lua b/widgets/bat.lua
index 4526c857ac78f252daf2f2b41f27e6e4e20798c1..61828ecfe9cb98c164c6526becdd75b4db363cc7 100644 (file)
--- a/widgets/bat.lua
+++ b/widgets/bat.lua
@@ -21,9 +21,9 @@ local setmetatable = setmetatable
 
 -- Battery infos
 -- lain.widgets.bat
-local bat = {}
 
 local function worker(args)
+    local bat = {}
     local args = args or {}
     local timeout = args.timeout or 30
     local battery = args.battery or "BAT0"
@@ -97,13 +97,17 @@ local function worker(args)
 
             bat_now.time = string.format("%02d:%02d", hrs, min)
 
-            local perc = (rem / tot) * 100
-            if perc <= 100 then
-                bat_now.perc = string.format("%d", perc)
-            elseif perc > 100 then
-                bat_now.perc = "100"
-            elseif perc < 0 then
-                bat_now.perc = "0"
+            bat_now.perc = first_line(bstr .. "/capacity")
+
+            if not bat_now.perc then
+                local perc = (rem / tot) * 100
+                if perc <= 100 then
+                    bat_now.perc = string.format("%d", perc)
+                elseif perc > 100 then
+                    bat_now.perc = "100"
+                elseif perc < 0 then
+                    bat_now.perc = "0"
+                end
             end
 
             if rate ~= nil and ratev ~= nil then
@@ -118,27 +122,28 @@ local function worker(args)
         settings()
 
         -- notifications for low and critical states
-        if bat_now.status == "Discharging" and notify == "on"
+        if bat_now.status == "Discharging" and notify == "on" and bat_now.perc ~= nil
         then
-            if tonumber(bat_now.perc) <= 5
+            local nperc = tonumber(bat_now.perc) or 100
+            if nperc <= 5
             then
                 bat.id = naughty.notify({
                     preset = bat_notification_critical_preset,
-                    replaces_id = bat.id
+                    replaces_id = bat.id,
                 }).id
-            elseif tonumber(bat_now.perc) <= 15
+            elseif nperc <= 15
             then
                 bat.id = naughty.notify({
                     preset = bat_notification_low_preset,
-                    replaces_id = bat.id
+                    replaces_id = bat.id,
                 }).id
             end
         end
     end
 
-    newtimer("bat", timeout, update)
+    newtimer(battery, timeout, update)
 
-    return bat.widget
+    return setmetatable(bat, { __index = bat.widget })
 end
 
-return setmetatable(bat, { __call = function(_, ...) return worker(...) end })
+return setmetatable({}, { __call = function(_, ...) return worker(...) end })