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|
-------------------------------------------------
-- Battery Arc Widget for Awesome Window Manager
-- Shows the battery level of the laptop
-- More details could be found here:
-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/batteryarc-widget
-- @author Pavel Makhov
-- @copyright 2019 Pavel Makhov
-------------------------------------------------
local awful = require("awful")
local beautiful = require("beautiful")
local naughty = require("naughty")
local wibox = require("wibox")
local watch = require("awful.widget.watch")
local HOME = os.getenv("HOME")
local text = wibox.widget {
id = "txt",
font = "Play 6",
align = 'center', -- align the text
valign = 'center',
widget = wibox.widget.textbox
}
local text_with_background = wibox.container.background(text)
local batteryarc = wibox.widget {
text_with_background,
max_value = 1,
rounded_edge = true,
thickness = 2,
start_angle = 4.71238898, -- 2pi*3/4
forced_height = 18,
forced_width = 18,
bg = "#ffffff11",
paddings = 2,
widget = wibox.container.arcchart,
set_value = function(self, value)
self.value = value
end,
}
local last_battery_check = os.time()
watch("acpi -i", 10,
function(widget, stdout)
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
-- use most charged battery status. This is arbitrary, and maybe another metric should be used
status = batt.status
end
charge = charge + batt.charge * capacities[i]
end
local charge_percentage
if capacity > 5 then
charge = charge / capacity
charge_percentage = charge / 100
else
-- when widget.value is < 0.04, the widget shows a full circle (as widget.value=1)
charge_percentage = 0.05
end
widget.value = charge / 100
if status == 'Charging' then
text_with_background.bg = beautiful.widget_green
text_with_background.fg = beautiful.widget_black
else
text_with_background.bg = beautiful.widget_transparent
text_with_background.fg = beautiful.widget_main_color
end
--- if battery is fully charged (100) there is not enough place for three digits, so we don't show any text
text.text = charge == 100
and ''
or string.format('%d', charge)
if charge < 15 then
batteryarc.colors = { beautiful.widget_red }
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 = os.time()
show_battery_warning()
end
elseif charge > 15 and charge < 40 then
batteryarc.colors = { beautiful.widget_yellow }
else
batteryarc.colors = { beautiful.widget_main_color }
end
end,
batteryarc)
-- Popup with battery info
-- One way of creating a pop-up notification - naughty.notify
local notification
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
batteryarc:connect_signal("mouse::enter", function() show_battery_status() end)
batteryarc:connect_signal("mouse::leave", function() naughty.destroy(notification) 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
--[[ Show warning notification ]]
function show_battery_warning()
naughty.notify {
icon = HOME .. "/.config/awesome/awesome-wm-widgets/batteryarc-widget/spaceman.jpg",
icon_size = 100,
text = "Battery is dying", -- switch text and title
title = "Huston, we have a problem",
timeout = 25, -- show the warning for a longer time
hover_timeout = 0.5,
position = "bottom_right",
bg = "#F06060",
fg = "#EEE9EF",
width = 300,
}
end
return batteryarc
|
