--[[
Licensed under GNU General Public License v2
- * (c) 2013, Luke Bonham
+ * (c) 2013, Luca CPZ
* (c) 2010-2012, Peter Hofmann
--]]
-local first_line = require("lain.helpers").first_line
-local newtimer = require("lain.helpers").newtimer
+local helpers = require("lain.helpers")
+local fs = require("gears.filesystem")
local naughty = require("naughty")
local wibox = require("wibox")
-local math = { abs = math.abs,
- floor = math.floor,
- log10 = math.log10,
- min = math.min }
-local string = { format = string.format }
+local math = math
+local string = string
local ipairs = ipairs
local tonumber = tonumber
local bat = { widget = wibox.widget.textbox() }
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 n_perc = args.n_perc or { 5, 15 }
+ local pspath = args.pspath or "/sys/class/power_supply/"
local settings = args.settings or function() end
+ if not fs.is_dir(pspath) then
+ naughty.notify { text = "lain.widget.bat: invalid power supply path", timeout = 0 }
+ return
+ end
+
+ bat.batteries = args.batteries or (args.battery and {args.battery}) or {}
+ bat.ac = args.ac or "AC0"
+
+ function bat.get_batteries()
+ helpers.line_callback("ls -1 " .. pspath, function(line)
+ local bstr = string.match(line, "BAT%w+")
+ if bstr then
+ bat.batteries[#bat.batteries + 1] = bstr
+ else
+ bat.ac = string.match(line, "A%w+") or "AC0"
+ end
+ end)
+ end
+
+ if #bat.batteries == 0 then bat.get_batteries() end
+
bat_notification_critical_preset = {
title = "Battery exhausted",
text = "Shutdown imminent",
bg = "#CDCDCD"
}
+ bat_notification_charged_preset = {
+ title = "Battery full",
+ text = "You can unplug the cable",
+ timeout = 15,
+ fg = "#202020",
+ bg = "#CDCDCD"
+ }
+
bat_now = {
status = "N/A",
ac_status = "N/A",
bat_now.n_status = {}
bat_now.n_perc = {}
- for i = 1, #batteries do
+ for i = 1, #bat.batteries do
bat_now.n_status[i] = "N/A"
bat_now.n_perc[i] = 0
end
+ -- used to notify full charge only once before discharging
+ local fullnotification = false
+
function bat.update()
local sum_rate_current = 0
local sum_rate_voltage = 0
local sum_rate_energy = 0
local sum_energy_now = 0
local sum_energy_full = 0
- local pspath = "/sys/class/power_supply/"
- for i, battery in ipairs(batteries) do
+ for i, battery in ipairs(bat.batteries) do
local bstr = pspath .. battery
- local present = first_line(bstr .. "/present")
+ local present = helpers.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"))
+ local rate_current = tonumber(helpers.first_line(bstr .. "/current_now"))
+ local rate_voltage = tonumber(helpers.first_line(bstr .. "/voltage_now"))
+ local rate_power = tonumber(helpers.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"))
+ local energy_now = tonumber(helpers.first_line(bstr .. "/energy_now") or
+ helpers.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_full = tonumber(helpers.first_line(bstr .. "/energy_full") or
+ helpers.first_line(bstr .. "/charge_full"))
- local energy_percentage = tonumber(first_line(bstr .. "/capacity")) or
+ local energy_percentage = tonumber(helpers.first_line(bstr .. "/capacity")) or
math.floor((energy_now / energy_full) * 100)
- bat_now.n_status[i] = first_line(bstr .. "/status") or "N/A"
+ bat_now.n_status[i] = helpers.first_line(bstr .. "/status") or "N/A"
bat_now.n_perc[i] = energy_percentage or bat_now.n_perc[i]
sum_rate_current = sum_rate_current + (rate_current or 0)
bat_now.status = status
end
end
- bat_now.ac_status = tonumber(first_line(string.format("%s%s/online", pspath, ac))) or "N/A"
+ bat_now.ac_status = tonumber(helpers.first_line(string.format("%s%s/online", pspath, bat.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
widget = bat.widget
settings()
- -- notifications for critical and low levels
- if notify == "on" and bat_now.status == "Discharging" then
- if tonumber(bat_now.perc) <= n_perc[1] then
- bat.id = naughty.notify({
- preset = bat_notification_critical_preset,
- replaces_id = bat.id
- }).id
- elseif tonumber(bat_now.perc) <= n_perc[2] then
+ -- notifications for critical, low, and full levels
+ if notify == "on" then
+ if bat_now.status == "Discharging" then
+ if tonumber(bat_now.perc) <= n_perc[1] then
+ bat.id = naughty.notify({
+ preset = bat_notification_critical_preset,
+ replaces_id = bat.id
+ }).id
+ elseif tonumber(bat_now.perc) <= n_perc[2] then
+ bat.id = naughty.notify({
+ preset = bat_notification_low_preset,
+ replaces_id = bat.id
+ }).id
+ end
+ fullnotification = false
+ elseif bat_now.status == "Full" and not fullnotification then
bat.id = naughty.notify({
- preset = bat_notification_low_preset,
+ preset = bat_notification_charged_preset,
replaces_id = bat.id
}).id
+ fullnotification = true
end
end
end
- newtimer("batteries", timeout, bat.update)
+ helpers.newtimer("batteries", timeout, bat.update)
return bat
end
projects / etc / awesome.git / blobdiff