--[[
-
- 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 markup = require("lain.util.markup")
+local newtimer = require("lain.helpers").newtimer
local first_line = require("lain.helpers").first_line
-local beautiful = require("beautiful")
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
+local tostring = tostring
local setmetatable = setmetatable
-- Battery infos
-- lain.widgets.bat
-local bat = {
- status = "not present",
- perc = "N/A",
- time = "N/A",
-}
-
-function worker(args)
- local args = args or {}
- local battery = args.battery or "BAT0"
- local show_all = args.show_all or false
- local refresh_timeout = args.refresh_timeout or 30
- local header = args.header or " Bat "
- local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
- local color = args.color or beautiful.fg_focus or "#FFFFFF"
- local shadow = args.shadow or false
-
- local mybattery = wibox.widget.textbox()
-
- local mybatteryupdate = function()
- local present = first_line("/sys/class/power_supply/"
- .. battery
- .. "/present")
-
- if present == "1"
- then
- local rate = first_line("/sys/class/power_supply/"
- .. battery ..
- "/power_now")
- local ratev = first_line("/sys/class/power_supply/"
- .. battery ..
- "/voltage_now")
- local rem = first_line("/sys/class/power_supply/"
- .. battery ..
- "/energy_now")
- local tot = first_line("/sys/class/power_supply/"
- .. battery ..
- "/energy_full")
- bat.status = first_line("/sys/class/power_supply/"
- .. battery ..
- "/status")
-
- local time_rat = 0
- if bat.status == "Charging"
- then
- status = "(+)"
- time_rat = (tot - rem) / rate
- elseif bat.status == "Discharging"
- then
- status = "(-)"
- time_rat = rem / rate
- else
- status = "(.)"
- end
-
- local hrs = math.floor(time_rat)
- local min = (time_rat - hrs) * 60
- bat.time = string.format("%02d:%02d", hrs, min)
-
- local amount = (rem / tot) * 100
-
- if shadow
- then
- bat.perc = string.format("%d", amount)
- else
- bat.perc = string.format("%d%%", amount)
- end
- local watt = string.format("%.2fW", (rate * ratev) / 1e12)
+local function worker(args)
+ local bat = {}
+ local args = args or {}
+ local timeout = args.timeout or 30
+ local batteries = args.batteries or (args.battery and {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"
+ }
+
+ bat_now = {
+ status = "N/A",
+ ac_status = "N/A",
+ perc = "N/A",
+ time = "N/A",
+ watt = "N/A"
+ }
+
+ bat_now.n_status = {}
+ for i = 1, #batteries do
+ bat_now.n_status[i] = "N/A"
+ end
- if show_all
- then
- text = watt .. " " .. bat.perc .. " " .. bat.time .. " " .. bat.status
- else
- text = bat.perc
+ function update()
+ local sum_rate_current = 0
+ local sum_rate_voltage = 0
+ local sum_rate_power = 0
+ local sum_energy_now = 0
+ local sum_energy_full = 0
+ local sum_energy_percentage = 0
+ local pspath = "/sys/class/power_supply/"
+
+ for i, battery in ipairs(batteries) do
+ local bstr = pspath .. battery
+ local present = first_line(bstr .. "/present")
+
+ if tonumber(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.n_status[i] = first_line(bstr .. "/status") or "N/A"
+
+ sum_rate_current = sum_rate_current + (rate_current or 0)
+ sum_rate_voltage = sum_rate_voltage + rate_voltage
+ sum_rate_power = sum_rate_power + (rate_power or ((rate_voltage * rate_current) / 1e6))
+ sum_energy_now = sum_energy_now + (energy_now or 0)
+ sum_energy_full = sum_energy_full + energy_full
+ sum_energy_percentage = sum_energy_percentage + energy_percentage
end
+ end
- -- notifications for low and critical states
- if amount <= 5
- then
- naughty.notify{
- text = "shutdown imminent",
- title = "battery nearly exhausted",
- position = "top_right",
- timeout = 15,
- fg="#000000",
- bg="#ffffff",
- ontop = true
- }
- elseif amount <= 15
- then
- old_id = naughty.notify{
- text = "plug the cable",
- title = "battery low",
- position = "top_right",
- timeout = 5,
- fg="#202020",
- bg="#cdcdcd",
- ontop = true
- }
+ bat_now.status = bat_now.n_status[1]
+ bat_now.ac_status = tonumber(first_line(string.format("%s%s/online", pspath, ac))) or "N/A"
+
+ if bat_now.status ~= "N/A" then
+ -- 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 sum_rpc = sum_rate_power or sum_rate_current
+ local enr = 0
+ local m1 = tostring(sum_rpc):len()
+ local m2 = 0
+
+ if bat_now.status == "Charging" then
+ enr = sum_energy_full - sum_energy_now
+ m2 = tostring(sum_energy_full):len()
+ else -- Discharging
+ enr = sum_energy_now
+ m2 = tostring(enr):len()
+ end
+
+ -- solve magnitude differences, which may be caused
+ -- by file discrepancies
+ magnitude_diff = m1 - m2
+ if magnitude_diff > 0 then
+ sum_rpc = sum_rpc / 10^magnitude_diff
+ elseif magnitude_diff < 0 then
+ enr = enr / 10^(magnitude_diff * -1)
+ end
+
+ local rate_time = enr / sum_rpc
+ 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
end
- else
- text = "none"
end
- if shadow
- then
- mybattery:set_text('')
- else
- mybattery:set_markup(markup(header_color, header)
- .. markup(color, text) .. " ")
+ widget = bat.widget
+ settings()
+
+ -- notifications for low and critical states
+ if notify == "on" and bat_now.perc and bat_now.status == "Discharging" then
+ if bat_now.perc <= 5 then
+ bat.id = naughty.notify({
+ preset = bat_notification_critical_preset,
+ replaces_id = bat.id
+ }).id
+ elseif bat_now.perc <= 15 then
+ bat.id = naughty.notify({
+ preset = bat_notification_low_preset,
+ replaces_id = bat.id
+ }).id
+ end
end
end
- local mybatterytimer = timer({ timeout = refresh_timeout })
- mybatterytimer:connect_signal("timeout", mybatteryupdate)
- mybatterytimer:start()
- mybatterytimer:emit_signal("timeout")
-
- bat.widget = mybattery
+ 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 })
projects / etc / awesome.git / blobdiff