added quake

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

diff --git a/widgets/bat.lua b/widgets/bat.lua
index fa9f85458bf823517902cb0d223861cebc6cdb6d..069fac8cb980b7e138b2a57783b65cd7755d1639 100644 (file)
--- a/widgets/bat.lua
+++ b/widgets/bat.lua
@@ -13,10 +13,13 @@ local first_line   = require("lain.helpers").first_line
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
-local math         = { floor  = math.floor, min = math.min }
+local math         = { abs    = math.abs,
+                       floor  = math.floor,
+                       log10  = math.log10,
+                       min    = math.min }
 local string       = { format = string.format }
-local tonumber     = tonumber
 
+local tonumber     = tonumber
 local setmetatable = setmetatable
 
 -- Battery infos
@@ -70,7 +73,6 @@ local function worker(args)
         local sum_energy_full       = 0
         local sum_energy_percentage = 0
         local pspath                = "/sys/class/power_supply/"
-  --      local pspath = "/home/luke/Download/"
 
         for i, battery in ipairs(batteries) do
             local bstr    = pspath .. battery
@@ -111,24 +113,27 @@ local function worker(args)
             -- update {perc,time,watt} iff battery not full and rate > 0
             if bat_now.status ~= "Full" and (sum_rate_current > 0 or sum_rate_power > 0) then
                 local rate_time = 0
-                local sum_rpc   = sum_rate_power or sum_rate_current
-                if sum_rpc >= 1e8 then sum_rpc = sum_rpc / 10 end
 
                 if bat_now.status == "Charging" then
-                    rate_time = (sum_energy_full - sum_energy_now) / sum_rpc
-                elseif bat_now.status == "Discharging" then
-                    rate_time = sum_energy_now / sum_rpc
+                    rate_time = (sum_energy_full - sum_energy_now) / (sum_rate_power or sum_rate_current)
+                else -- Discharging
+                    rate_time = sum_energy_now / (sum_rate_power or sum_rate_current)
+                end
+
+                if rate_time < 0.01 then -- check for magnitude discrepancies
+                    rate_time_magnitude = math.abs(math.floor(math.log10(rate_time)))
+                    rate_time = rate_time * 10^(rate_time_magnitude - 2)
                 end
 
-                local hours   = math.floor(rate_time)
-                local minutes = math.floor((rate_time - hours) * 60)
-                bat_now.perc  = tonumber(string.format("%d", math.min(100, sum_energy_percentage / #batteries)))
-                bat_now.time  = string.format("%02d:%02d", hours, minutes)
-                bat_now.watt  = tonumber(string.format("%.2f", sum_rate_power / 1e6))
+                local hours     = math.floor(rate_time)
+                local minutes   = math.floor((rate_time - hours) * 60)
+                bat_now.perc    = tonumber(string.format("%d", math.min(100, sum_energy_percentage / #batteries)))
+                bat_now.time    = string.format("%02d:%02d", hours, minutes)
+                bat_now.watt    = tonumber(string.format("%.2f", sum_rate_power / 1e6))
             elseif bat_now.status == "Full" then
-                bat_now.perc  = 100
-                bat_now.time  = "00:00"
-                bat_now.watt  = 0
+                bat_now.perc    = 100
+                bat_now.time    = "00:00"
+                bat_now.watt    = 0
             end
         end