95 lines
3.2 KiB
Lua
95 lines
3.2 KiB
Lua
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-- battery widget type for FreeBSD
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-- Copyright (C) 2017-2019 mutlusun <mutlusun@github.com>
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-- Copyright (C) 2019 Nguyễn Gia Phong <vn.mcsinyx@gmail.com>
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--
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-- This file is part of Vicious.
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--
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-- Vicious is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as
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-- published by the Free Software Foundation, either version 2 of the
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-- License, or (at your option) any later version.
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--
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-- Vicious is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with Vicious. If not, see <https://www.gnu.org/licenses/>.
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-- {{{ Grab environment
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local tonumber = tonumber
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local math = { floor = math.floor }
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local string = {
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gmatch = string.gmatch,
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format = string.format
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}
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local helpers = require("vicious.helpers")
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local spawn = require("vicious.spawn")
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-- }}}
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-- Battery: provides battery level of requested battery
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-- vicious.widgets.battery_freebsd
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local bat_freebsd = {}
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-- {{{ Battery widget type
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local function parse(stdout, stderr, exitreason, exitcode)
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local bat_info = {}
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for line in string.gmatch(stdout, "[^\n]+") do
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for key,value in string.gmatch(line, "(.+):%s+(.+)") do
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bat_info[key] = value
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end
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end
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-- current state
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-- see: https://github.com/freebsd/freebsd/blob/master/usr.sbin/acpi/acpiconf/acpiconf.c
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local battery_state = {
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["high"] = "↯",
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["charging"] = "+",
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["critical charging"] = "+",
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["discharging"] = "-",
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["critical discharging"] = "!",
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["critical"] = "!",
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}
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local state = battery_state[bat_info["State"]] or "N/A"
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-- battery capacity in percent
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local percent = tonumber(bat_info["Remaining capacity"]:match"[%d]+")
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-- use remaining (charging or discharging) time calculated by acpiconf
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local time = bat_info["Remaining time"]
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if time == "unknown" then
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time = "∞"
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end
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-- calculate wear level from (last full / design) capacity
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local wear = "N/A"
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if bat_info["Last full capacity"] and bat_info["Design capacity"] then
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local l_full = tonumber(bat_info["Last full capacity"]:match"[%d]+")
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local design = tonumber(bat_info["Design capacity"]:match"[%d]+")
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wear = math.floor(l_full / design * 100)
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end
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-- dis-/charging rate as presented by battery
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local rate = bat_info["Present rate"]:match"([%d]+)%smW"
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rate = string.format("%2.1f", tonumber(rate / 1000))
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-- returns
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-- * state (high "↯", discharging "-", charging "+", N/A "⌁" }
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-- * remaining_capacity (percent)
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-- * remaining_time, by battery
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-- * wear level (percent)
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-- * present_rate (mW)
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return {state, percent, time, wear, rate}
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end
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function bat_freebsd.async(format, warg, callback)
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local battery = warg or "batt"
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spawn.easy_async("acpiconf -i " .. helpers.shellquote(battery),
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function (...) callback(parse(...)) end)
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end
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-- }}}
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return helpers.setasyncall(bat_freebsd)
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