awesomewm/yawl/widgets/battery.lua

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2022-04-10 15:40:28 +00:00
-- YAWL, Battery widget module
local battery = {}
local mt = {}
-- Requires
local wibox = require("wibox")
local base = require("yawl.base")
local utils = require("yawl.utils")
local beautiful = require("beautiful")
local watch = require("awful.widget.watch")
-- Entrypoint
function mt.__call()
-- base txt widget
local t = base.txt()
local w = base.bg()
w:set_widget(t)
-- change default bg to battery full
w:set_bg(beautiful.yawl_battery_full)
-- icon widget
local i = base.icon("")
-- merge of the two
local widget = wibox.widget {
i,
w,
layout = wibox.layout.fixed.horizontal,
}
-- watch func
watch(
'acpi', 10,
function(_, stdout, stderr, exitreason, exitcode)
-- get lines for acpi
local lines = utils.split(stdout, "[^\r\n]+")
-- use first line (BAT0), get elements
-- 1 : Battery
-- 2 : :0
-- 3 : State (Full, Discharching, Charging)
-- 4 : Level (X%)
local parts = utils.split(lines[1], "%S+")
-- format data in dedicated vars
local level = string.gsub(parts[4], "%%,?", "")
local state = string.gsub(parts[3], ",", "")
-- set background based on level
if tonumber(level) >= 70 then
i:set_text("")
w:set_bg(beautiful.yawl_battery_full)
elseif tonumber(level) >= 30 then
i:set_text("")
w:set_bg(beautiful.yawl_battery_mid)
else
i:set_text("")
w:set_bg(beautiful.yawl_battery_low)
end
-- set state based on charging, full or discharching
local st = ""
if state == "Full" then
st = ""
elseif state == "Discharging" then
st = ""
elseif state == "Charging" then
st = ""
else
st = ""
end
t:set_text(" " .. st .. " " .. level .. "% ")
end,
w
)
return widget
end
-- Return widget
return setmetatable(battery, mt)