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|
-------------------------------------------------
-- Battery Widget for Awesome Window Manager
-- Shows the battery status using the ACPI tool
-- More details could be found here:
-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/battery-widget
-- @author Pavel Makhov
-- @copyright 2017 Pavel Makhov
-------------------------------------------------
local awful = require("awful")
local naughty = require("naughty")
local watch = require("awful.widget.watch")
local wibox = require("wibox")
-- acpi sample outputs
-- Battery 0: Discharging, 75%, 01:51:38 remaining
-- Battery 0: Charging, 53%, 00:57:43 until charged
local PATH_TO_ICONS = "/usr/share/icons/Arc/status/symbolic/"
local HOME = os.getenv("HOME")
local battery_widget = wibox.widget {
{
id = "icon",
widget = wibox.widget.imagebox,
resize = false
},
layout = wibox.container.margin(_, 0, 0, 3)
}
-- Popup with battery info
-- One way of creating a pop-up notification - naughty.notify
local notification
local function show_battery_status()
awful.spawn.easy_async([[bash -c 'acpi']],
function(stdout, _, _, _)
naughty.destroy(notification)
notification = naughty.notify{
text = stdout,
title = "Battery status",
timeout = 5, hover_timeout = 0.5,
width = 200,
}
end
)
end
-- Alternative to naughty.notify - tooltip. You can compare both and choose the preferred one
--battery_popup = awful.tooltip({objects = {battery_widget}})
-- To use colors from beautiful theme put
-- following lines in rc.lua before require("battery"):
-- beautiful.tooltip_fg = beautiful.fg_normal
-- beautiful.tooltip_bg = beautiful.bg_normal
local function show_battery_warning()
naughty.notify{
icon = HOME .. "/.config/awesome/nichosi.png",
icon_size=100,
text = "Huston, we have a problem",
title = "Battery is dying",
timeout = 5, hover_timeout = 0.5,
position = "bottom_right",
bg = "#F06060",
fg = "#EEE9EF",
width = 300,
}
end
local last_battery_check = os.time()
watch("acpi -i", 10,
function(widget, stdout, stderr, exitreason, exitcode)
local batteryType
local battery_info = {}
local capacities = {}
for s in stdout:gmatch("[^\r\n]+") do
local status, charge_str, time = string.match(s, '.+: (%a+), (%d?%d?%d)%%,?.*')
if string.match(s, 'rate information') then
-- ignore such line
elseif status ~= nil then
table.insert(battery_info, {status = status, charge = tonumber(charge_str)})
else
local cap_str = string.match(s, '.+:.+last full capacity (%d+)')
table.insert(capacities, tonumber(cap_str))
end
end
local capacity = 0
for i, cap in ipairs(capacities) do
capacity = capacity + cap
end
local charge = 0
local status
for i, batt in ipairs(battery_info) do
if batt.charge >= charge then
status = batt.status -- use most charged battery status
-- this is arbitrary, and maybe another metric should be used
end
charge = charge + batt.charge * capacities[i]
end
charge = charge / capacity
if (charge >= 0 and charge < 15) then
batteryType = "battery-empty%s-symbolic"
if status ~= 'Charging' and os.difftime(os.time(), last_battery_check) > 300 then
-- if 5 minutes have elapsed since the last warning
last_battery_check = time()
show_battery_warning()
end
elseif (charge >= 15 and charge < 40) then batteryType = "battery-caution%s-symbolic"
elseif (charge >= 40 and charge < 60) then batteryType = "battery-low%s-symbolic"
elseif (charge >= 60 and charge < 80) then batteryType = "battery-good%s-symbolic"
elseif (charge >= 80 and charge <= 100) then batteryType = "battery-full%s-symbolic"
end
if status == 'Charging' then
batteryType = string.format(batteryType, '-charging')
else
batteryType = string.format(batteryType, '')
end
widget.icon:set_image(PATH_TO_ICONS .. batteryType .. ".svg")
-- Update popup text
-- battery_popup.text = string.gsub(stdout, "\n$", "")
end,
battery_widget)
battery_widget:connect_signal("mouse::enter", function() show_battery_status() end)
battery_widget:connect_signal("mouse::leave", function() naughty.destroy(notification) end)
return battery_widget
|
