local math = { floor = math.floor }
local string = { format = string.format }
+local tonumber = tonumber
local setmetatable = setmetatable
-- Battery infos
-- lain.widgets.bat
-local bat = { id = nil }
+local bat = {}
local function worker(args)
local args = args or {}
local battery = args.battery or "BAT0"
local settings = args.settings or function() end
- bat_now = {
- status = "not present",
- perc = "N/A",
- time = "N/A",
- watt = "N/A"
- }
-
- widget = wibox.widget.textbox('')
+ bat.widget = wibox.widget.textbox('')
function update()
- local present = first_line("/sys/class/power_supply/"
- .. battery
- .. "/present")
+ bat_now = {
+ status = "Not present",
+ perc = "N/A",
+ time = "N/A",
+ watt = "N/A"
+ }
+
+ local bstr = "/sys/class/power_supply/" .. battery
+
+ local present = first_line(bstr .. "/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_now.status = first_line("/sys/class/power_supply/"
- .. battery ..
- "/status")
+ local rate = first_line(bstr .. "/power_now") or
+ first_line(bstr .. "/current_now")
+
+ local ratev = first_line(bstr .. "/voltage_now")
+
+ local rem = first_line(bstr .. "/energy_now") or
+ first_line(bstr .. "/charge_now")
+
+ local tot = first_line(bstr .. "/energy_full") or
+ first_line(bstr .. "/charge_full")
+
+ bat_now.status = first_line(bstr .. "/status") or "N/A"
+
+ rate = tonumber(rate)
+ ratev = tonumber(ratev)
+ rem = tonumber(rem)
+ tot = tonumber(tot)
local time_rat = 0
if bat_now.status == "Charging"
end
local hrs = math.floor(time_rat)
- local min = (time_rat - hrs) * 60
+ 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 = (rem / tot) * 100
+ bat_now.perc = string.format("%d", (rem / tot) * 100)
bat_now.watt = string.format("%.2fW", (rate * ratev) / 1e12)
-- notifications for low and critical states
- if bat_now.perc <= 5
+ if bat_now.status == "Discharging"
then
- bat.id = naughty.notify({
- text = "shutdown imminent",
- title = "battery nearly exhausted",
- position = "top_right",
- timeout = 15,
- fg="#000000",
- bg="#ffffff",
- ontop = true,
- replaces_id = bat.id
- }).id
- elseif bat.perc <= 15
- then
- bat.id = naughty.notify({
- text = "plug the cable",
- title = "battery low",
- position = "top_right",
- timeout = 15,
- fg="#202020",
- bg="#cdcdcd",
- ontop = true,
- replaces_id = bat.id
- }).id
+ if tonumber(bat_now.perc) <= 5
+ then
+ bat.id = naughty.notify({
+ text = "shutdown imminent",
+ title = "battery nearly exhausted",
+ position = "top_right",
+ timeout = 15,
+ fg="#000000",
+ bg="#ffffff",
+ ontop = true,
+ replaces_id = bat.id
+ }).id
+ elseif tonumber(bat_now.perc) <= 15
+ then
+ bat.id = naughty.notify({
+ text = "plug the cable",
+ title = "battery low",
+ position = "top_right",
+ timeout = 15,
+ fg="#202020",
+ bg="#cdcdcd",
+ ontop = true,
+ replaces_id = bat.id
+ }).id
+ end
end
-
- bat_now.perc = string.format("%d", bat_now.perc)
end
+ widget = bat.widget
settings()
end
newtimer("bat", timeout, update)
- return widget
+ return bat.widget
end
return setmetatable(bat, { __call = function(_, ...) return worker(...) end })