X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/37c4198cdf300b4dab002e5cbc9ea2590f17f168..40d3c9e33af88711c78b50b5eb3d2d48388f796e:/widgets/bat.lua diff --git a/widgets/bat.lua b/widgets/bat.lua index 8cc1ea9..43b7a5f 100644 --- a/widgets/bat.lua +++ b/widgets/bat.lua @@ -1,10 +1,10 @@ --[[ - + Licensed under GNU General Public License v2 * (c) 2013, Luke Bonham * (c) 2010-2012, Peter Hofmann - + --]] local newtimer = require("lain.helpers").newtimer @@ -13,7 +13,7 @@ local first_line = require("lain.helpers").first_line local naughty = require("naughty") local wibox = require("wibox") -local math = { floor = math.floor } +local math = { floor = math.floor, min = math.min } local string = { format = string.format } local tonumber = tonumber @@ -23,117 +23,110 @@ 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 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")) - - -- 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) - then - return - end - - -- 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" - - 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) - - bat_now.perc = string.format("%d", energy_percentage) - bat_now.time = string.format("%02d:%02d", hours, minutes) - bat_now.watt = string.format("%.2fW", rate_power / 1e6 or (rate_voltage * rate_current) / 1e12) - - 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 }) + 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" + + -- update {perc,time,watt} iff rate > 0 and battery not full + if ((rate_current and rate_current > 0) or (rate_power and rate_power > 0)) + and bat_now.status ~= "N/A" and bat_now.status ~= "Full" + then + 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", math.min(100, energy_percentage)) + bat_now.time = string.format("%02d:%02d", hours, minutes) + bat_now.watt = string.format("%.2fW", watt) + end + 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({}, { __call = function(_, ...) return worker(...) end })