Fixed initial state where alsa.update may never be called

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

diff --git a/widgets/bat.lua b/widgets/bat.lua
index d18af87b35001ab4021627fc74e451902e283a8b..d55be1746def102d4e8db39a96fcc15b160204ab 100644 (file)
--- a/widgets/bat.lua
+++ b/widgets/bat.lua
@@ -7,7 +7,9 @@
                                                   
 --]]
 
-local helpers      = require("lain.helpers")
+local newtimer     = require("lain.helpers").newtimer
+local first_line   = require("lain.helpers").first_line
+
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
@@ -46,11 +48,6 @@ local function worker(args)
         bg = "#FFFFFF"
     }
 
-    helpers.set_map(battery .. "status", "N/A")
-    helpers.set_map(battery .. "perc", "N/A")
-    helpers.set_map(battery .. "time", "N/A")
-    helpers.set_map(battery .. "watt", "N/A")
-
     function update()
         bat_now = {
             status = "Not present",
@@ -61,22 +58,22 @@ local function worker(args)
 
         local bstr  = "/sys/class/power_supply/" .. battery
 
-        local present = helpers.first_line(bstr .. "/present")
+        local present = first_line(bstr .. "/present")
 
         if present == "1"
         then
-            local rate  = helpers.first_line(bstr .. "/power_now") or
-                          helpers.first_line(bstr .. "/current_now")
+            local rate  = first_line(bstr .. "/power_now") or
+                          first_line(bstr .. "/current_now")
 
-            local ratev = helpers.first_line(bstr .. "/voltage_now")
+            local ratev = first_line(bstr .. "/voltage_now")
 
-            local rem   = helpers.first_line(bstr .. "/energy_now") or
-                          helpers.first_line(bstr .. "/charge_now")
+            local rem   = first_line(bstr .. "/energy_now") or
+                          first_line(bstr .. "/charge_now")
 
-            local tot   = helpers.first_line(bstr .. "/energy_full") or
-                          helpers.first_line(bstr .. "/charge_full")
+            local tot   = first_line(bstr .. "/energy_full") or
+                          first_line(bstr .. "/charge_full")
 
-            bat_now.status = helpers.first_line(bstr .. "/status") or "N/A"
+            bat_now.status = first_line(bstr .. "/status") or "N/A"
 
             rate  = tonumber(rate) or 1
             ratev = tonumber(ratev)
@@ -100,17 +97,14 @@ local function worker(args)
 
             bat_now.time = string.format("%02d:%02d", hrs, min)
 
-            bat_now.perc = helpers.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
+            local perc = tonumber(first_line(bstr .. "/capacity")) or math.floor((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
 
             if rate ~= nil and ratev ~= nil then
@@ -118,22 +112,12 @@ local function worker(args)
             else
                 bat_now.watt = "N/A"
             end
-        end
 
-        if bat_now.status ~= helpers.get_map(battery .. "status")
-           or bat_now.perc ~= helpers.get_map(battery .. "perc")
-           or bat_now.time ~= helpers.get_map(battery .. "time")
-           or bat_now.watt ~= helpers.get_map(battery .. "watt")
-        then
-            widget = bat.widget
-            settings()
-
-            helpers.set_map(battery .. "status", bat_now.status)
-            helpers.set_map(battery .. "perc", bat_now.perc)
-            helpers.set_map(battery .. "time", bat_now.time)
-            helpers.set_map(battery .. "watt", bat_now.watt)
         end
 
+        widget = bat.widget
+        settings()
+
         -- notifications for low and critical states
         if bat_now.status == "Discharging" and notify == "on" and bat_now.perc ~= nil
         then
@@ -154,9 +138,9 @@ local function worker(args)
         end
     end
 
-    helpers.newtimer(battery, 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 })