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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 2020 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 WIDGET_DIR = HOME .. '/.config/awesome/awesome-wm-widgets/batteryarc-widget'
local batteryarc_widget = {}
local function worker(user_args)
local args = user_args or {}
local font = args.font or 'Play 6'
local arc_thickness = args.arc_thickness or 2
local show_current_level = args.show_current_level or false
local size = args.size or 18
local timeout = args.timeout or 10
local show_notification_mode = args.show_notification_mode or 'on_hover' -- on_hover / on_click
local notification_position = args.notification_position or 'top_right' -- see naughty.notify position argument
local main_color = args.main_color or beautiful.fg_color
local bg_color = args.bg_color or '#ffffff11'
local low_level_color = args.low_level_color or '#e53935'
local medium_level_color = args.medium_level_color or '#c0ca33'
local charging_color = args.charging_color or '#43a047'
local warning_msg_title = args.warning_msg_title or 'Houston, we have a problem'
local warning_msg_text = args.warning_msg_text or 'Battery is dying'
local warning_msg_position = args.warning_msg_position or 'bottom_right'
local warning_msg_icon = args.warning_msg_icon or WIDGET_DIR .. '/spaceman.jpg'
local enable_battery_warning = args.enable_battery_warning
if enable_battery_warning == nil then
enable_battery_warning = true
end
local text = wibox.widget {
font = font,
align = 'center',
valign = 'center',
widget = wibox.widget.textbox
}
local text_with_background = wibox.container.background(text)
batteryarc_widget = wibox.widget {
text_with_background,
max_value = 100,
rounded_edge = true,
thickness = arc_thickness,
start_angle = 4.71238898, -- 2pi*3/4
forced_height = size,
forced_width = size,
bg = bg_color,
paddings = 2,
widget = wibox.container.arcchart
}
local last_battery_check = os.time()
--[[ Show warning notification ]]
local function show_battery_warning()
naughty.notify {
icon = warning_msg_icon,
icon_size = 100,
text = warning_msg_text,
title = warning_msg_title,
timeout = 25, -- show the warning for a longer time
hover_timeout = 0.5,
position = warning_msg_position,
bg = "#F06060",
fg = "#EEE9EF",
width = 300,
}
end
local function update_widget(widget, stdout)
local charge = 0
local status
for s in stdout:gmatch("[^\r\n]+") do
local cur_status, charge_str, _ = string.match(s, '.+: ([%a%s]+), (%d?%d?%d)%%,?(.*)')
if cur_status ~= nil and charge_str ~=nil then
local cur_charge = tonumber(charge_str)
if cur_charge > charge then
status = cur_status
charge = cur_charge
end
end
end
widget.value = charge
if status == 'Charging' then
text_with_background.bg = charging_color
text_with_background.fg = '#000000'
else
text_with_background.bg = '#00000000'
text_with_background.fg = main_color
end
if show_current_level == true then
--- 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)
else
text.text = ''
end
if charge < 15 then
widget.colors = { low_level_color }
if enable_battery_warning and 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
widget.colors = { medium_level_color }
else
widget.colors = { main_color }
end
end
watch("acpi", timeout, update_widget, batteryarc_widget)
-- Popup with battery info
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,
width = 200,
position = notification_position,
}
end)
end
if show_notification_mode == 'on_hover' then
batteryarc_widget:connect_signal("mouse::enter", function() show_battery_status() end)
batteryarc_widget:connect_signal("mouse::leave", function() naughty.destroy(notification) end)
elseif show_notification_mode == 'on_click' then
batteryarc_widget:connect_signal('button::press', function(_, _, _, button)
if (button == 1) then show_battery_status() end
end)
end
return batteryarc_widget
end
return setmetatable(batteryarc_widget, { __call = function(_, ...)
return worker(...)
end })
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