X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/912bd26ede8901c98fd8d7a35f8493ee448109ad..e061c2ec063713e5a7f31f0627263e75dc037139:/widgets/bat.lua

diff --git a/widgets/bat.lua b/widgets/bat.lua
index d18af87..1391641 100644
--- a/widgets/bat.lua
+++ b/widgets/bat.lua
@@ -1,13 +1,15 @@
 
 --[[
-                                                  
-     Licensed under GNU General Public License v2 
-      * (c) 2013,      Luke Bonham                
-      * (c) 2010-2012, Peter Hofmann              
-                                                  
+												  
+	 Licensed under GNU General Public License v2 
+	  * (c) 2013,      Luke Bonham                
+	  * (c) 2010-2012, Peter Hofmann              
+												  
 --]]
 
-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")
 
@@ -21,142 +23,115 @@ 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 settings = args.settings or function() end
-
-    bat.widget = wibox.widget.textbox('')
-
-    bat_notification_low_preset = {
-        title = "Battery low",
-        text = "Plug the cable!",
-        timeout = 15,
-        fg = "#202020",
-        bg = "#CDCDCD"
-    }
-
-    bat_notification_critical_preset = {
-        title = "Battery exhausted",
-        text = "Shutdown imminent",
-        timeout = 15,
-        fg = "#000000",
-        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",
-            perc   = "N/A",
-            time   = "N/A",
-            watt   = "N/A"
-        }
-
-        local bstr  = "/sys/class/power_supply/" .. battery
-
-        local present = helpers.first_line(bstr .. "/present")
-
-        if present == "1"
-        then
-            local rate  = helpers.first_line(bstr .. "/power_now") or
-                          helpers.first_line(bstr .. "/current_now")
-
-            local ratev = helpers.first_line(bstr .. "/voltage_now")
-
-            local rem   = helpers.first_line(bstr .. "/energy_now") or
-                          helpers.first_line(bstr .. "/charge_now")
-
-            local tot   = helpers.first_line(bstr .. "/energy_full") or
-                          helpers.first_line(bstr .. "/charge_full")
-
-            bat_now.status = helpers.first_line(bstr .. "/status") or "N/A"
-
-            rate  = tonumber(rate) or 1
-            ratev = tonumber(ratev)
-            rem   = tonumber(rem)
-            tot   = tonumber(tot)
-
-            local time_rat = 0
-            if bat_now.status == "Charging"
-            then
-                time_rat = (tot - rem) / rate
-            elseif bat_now.status == "Discharging"
-            then
-                time_rat = rem / rate
-            end
-
-            local hrs = math.floor(time_rat)
-            if hrs < 0 then hrs = 0 elseif hrs > 23 then hrs = 23 end
-
-            local min = math.floor((time_rat - hrs) * 60)
-            if min < 0 then min = 0 elseif min > 59 then min = 59 end
-
-            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
-            end
-
-            if rate ~= nil and ratev ~= nil then
-                bat_now.watt = string.format("%.2fW", (rate * ratev) / 1e12)
-            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
-
-        -- notifications for low and critical states
-        if bat_now.status == "Discharging" and notify == "on" and bat_now.perc ~= nil
-        then
-            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,
-                }).id
-            elseif nperc <= 15
-            then
-                bat.id = naughty.notify({
-                    preset = bat_notification_low_preset,
-                    replaces_id = bat.id,
-                }).id
-            end
-        end
-    end
-
-    helpers.newtimer(battery, timeout, update)
-
-    return bat.widget
+	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('')
+
+	bat_notification_low_preset = {
+        title   = "Battery low",
+		text    = "Plug the cable!",
+		timeout = 15,
+		fg      = "#202020",
+		bg      = "#CDCDCD"
+	}
+
+	bat_notification_critical_preset = {
+		title   = "Battery exhausted",
+		text    = "Shutdown imminent",
+		timeout = 15,
+		fg      = "#000000",
+		bg      = "#FFFFFF"
+	}
+
+	function update()
+		bat_now = {
+			status    = "Not present",
+			ac_status = "N/A",
+			perc      = "N/A",
+			time      = "N/A",
+			watt      = "N/A"
+		}
+
+		local bstr    = "/sys/class/power_supply/" .. battery
+		local astr    = "/sys/class/power_supply/" .. ac
+		local present = first_line(bstr .. "/present")
+
+		if present == "1"
+		then
+			-- current_now(I)[uA], voltage_now(U)[uV], power_now(P)[uW]
+			local rate_current      = tonumber(first_line(bstr .. "/current_now"))
+			local rate_voltage      = tonumber(first_line(bstr .. "/voltage_now"))
+			local rate_power        = tonumber(first_line(bstr .. "/power_now"))
+
+			-- energy_now(P)[uWh], charge_now(I)[uAh]
+			local energy_now        = tonumber(first_line(bstr .. "/energy_now") or
+                                      first_line(bstr .. "/charge_now"))
+
+			-- energy_full(P)[uWh], charge_full(I)[uAh],
+			local energy_full       = tonumber(first_line(bstr .. "/energy_full") or
+                                      first_line(bstr .. "/charge_full"))
+
+
+			local energy_percentage = tonumber(first_line(bstr .. "/capacity")) or
+                                      math.floor((energy_now / energy_full) * 100)
+
+			bat_now.status    = first_line(bstr .. "/status") or "N/A"
+			bat_now.ac_status = first_line(astr .. "/online") or "N/A"
+
+			-- if rate = 0 or rate not defined skip the round
+			if	not (rate_power and rate_power > 0) and
+				not (rate_current and  rate_current > 0) and
+				not (bat_now.status == "Full")
+			then
+				return
+			end
+
+			local rate_time = 0
+			if bat_now.status == "Charging" then
+                           rate_time = (energy_full - energy_now) / (rate_power or rate_current)
+			elseif bat_now.status == "Discharging" then
+                           rate_time = energy_now / (rate_power or rate_current)
+			end
+
+			local hours   = math.floor(rate_time)
+			local minutes = math.floor((rate_time - hours) * 60)
+                        
+                        local watt    = rate_power and (rate_power / 1e6) or (rate_voltage * rate_current) / 1e12
+                        
+			bat_now.perc = string.format("%d", energy_percentage)
+			bat_now.time = string.format("%02d:%02d", hours, minutes)
+			bat_now.watt = string.format("%.2fW", watt)
+		end
+
+		widget = bat.widget
+		settings()
+
+		-- notifications for low and critical states
+		if bat_now.status == "Discharging" and notify == "on" and bat_now.perc then
+			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,
+				}).id
+			elseif nperc <= 15 then
+				bat.id = naughty.notify({
+					preset = bat_notification_low_preset,
+					replaces_id = bat.id,
+				}).id
+			end
+		end
+	end
+
+	newtimer(battery, timeout, update)
+
+	return setmetatable(bat, { __index = bat.widget })
 end
 
-return setmetatable(bat, { __call = function(_, ...) return worker(...) end })
+return setmetatable({}, { __call = function(_, ...) return worker(...) end })