fix 'attempt to index a nil value (global self)'

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

diff --git a/widgets/bat.lua b/widgets/bat.lua
index ea749d3614c9179e9b1f5397fe4d86af7d030bf7..8b62790104d287aa514cb556c707083e2493be0a 100644 (file)
--- a/widgets/bat.lua
+++ b/widgets/bat.lua
@@ -120,31 +120,35 @@ local function worker(args)
         bat_now.ac_status = tonumber(first_line(string.format("%s%s/online", pspath, ac))) or "N/A"
 
         if bat_now.status ~= "N/A" then
+            if bat_now.status ~= "Full" and sum_rate_power == 0 and bat_now.ac_status == 1 then
+                                                               bat_now.perc  = math.floor(math.min(100, (sum_energy_now / sum_energy_full) * 100))
+                                                               bat_now.time  = "00:00"
+                                                               bat_now.watt  = 0
+
             -- update {perc,time,watt} iff battery not full and rate > 0
-            if bat_now.status ~= "Full" and (sum_rate_power > 0 or sum_rate_current > 0) then
+            elseif bat_now.status ~= "Full" then
                 local rate_time = 0
-                local div = (sum_rate_power > 0 and sum_rate_power) or sum_rate_current
-
-                if bat_now.status == "Charging" then
-                    rate_time = (sum_energy_full - sum_energy_now) / div
-                else -- Discharging
-                    rate_time = sum_energy_now / div
-                end
-
-                if 0 < rate_time and rate_time < 0.01 then -- check for magnitude discrepancies (#199)
-                    rate_time_magnitude = math.abs(math.floor(math.log10(rate_time)))
-                    rate_time = rate_time * 10^(rate_time_magnitude - 2)
-                end
+                -- Calculate time and watt if rates are greater then 0
+                if (sum_rate_power > 0 or sum_rate_current > 0) then
+                    local div = (sum_rate_power > 0 and sum_rate_power) or sum_rate_current
+
+                    if bat_now.status == "Charging" then
+                        rate_time = (sum_energy_full - sum_energy_now) / div
+                    else -- Discharging
+                        rate_time = sum_energy_now / div
+                    end
+
+                    if 0 < rate_time and rate_time < 0.01 then -- check for magnitude discrepancies (#199)
+                        rate_time_magnitude = math.abs(math.floor(math.log10(rate_time)))
+                        rate_time = rate_time * 10^(rate_time_magnitude - 2)
+                    end
+                 end
 
                 local hours   = math.floor(rate_time)
                 local minutes = math.floor((rate_time - hours) * 60)
                 bat_now.perc  = math.floor(math.min(100, (sum_energy_now / sum_energy_full) * 100))
                 bat_now.time  = string.format("%02d:%02d", hours, minutes)
                 bat_now.watt  = tonumber(string.format("%.2f", sum_rate_energy / 1e6))
-            elseif bat_now.status ~= "Full" and sum_rate_power == 0 and bat_now.ac_status == 1 then
-                                                               bat_now.perc  = math.floor(math.min(100, (sum_energy_now / sum_energy_full) * 100))
-                                                               bat_now.time  = "00:00"
-                                                               bat_now.watt  = 0
             elseif bat_now.status == "Full" then
                 bat_now.perc  = 100
                 bat_now.time  = "00:00"
@@ -171,9 +175,9 @@ local function worker(args)
         end
     end
 
-    newtimer(battery, timeout, bat.update)
-
-    return bat
+    newtimer("batteries", timeout, bat.update)
+    
+    return setmetatable(bat, { __index = bat.widget })
 end
 
 return setmetatable({}, { __call = function(_, ...) return worker(...) end })