201 lines
7.3 KiB
Lua
201 lines
7.3 KiB
Lua
-------------------------------------------------
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-- Battery Widget for Awesome Window Manager
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-- Shows the battery status using the ACPI tool
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-- More details could be found here:
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-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/battery-widget
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-- @author Pavel Makhov
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-- @copyright 2017 Pavel Makhov
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-------------------------------------------------
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local awful = require("awful")
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local naughty = require("naughty")
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local watch = require("awful.widget.watch")
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local wibox = require("wibox")
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local gfs = require("gears.filesystem")
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local dpi = require('beautiful').xresources.apply_dpi
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-- acpi sample outputs
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-- Battery 0: Discharging, 75%, 01:51:38 remaining
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-- Battery 0: Charging, 53%, 00:57:43 until charged
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local HOME = os.getenv("HOME")
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local WIDGET_DIR = HOME .. '/.config/awesome/awesome-wm-widgets/battery-widget'
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local battery_widget = {}
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local function worker(user_args)
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local args = user_args or {}
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local font = args.font or 'Play 8'
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local path_to_icons = args.path_to_icons or "/usr/share/icons/Arc/status/symbolic/"
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local show_current_level = args.show_current_level or false
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local margin_left = args.margin_left or 0
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local margin_right = args.margin_right or 0
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local display_notification = args.display_notification or false
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local display_notification_onClick = args.display_notification_onClick or true
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local position = args.notification_position or "top_right"
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local timeout = args.timeout or 10
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local warning_msg_title = args.warning_msg_title or 'Huston, we have a problem'
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local warning_msg_text = args.warning_msg_text or 'Battery is dying'
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local warning_msg_position = args.warning_msg_position or 'bottom_right'
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local warning_msg_icon = args.warning_msg_icon or WIDGET_DIR .. '/spaceman.jpg'
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local enable_battery_warning = args.enable_battery_warning
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if enable_battery_warning == nil then
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enable_battery_warning = true
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end
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if not gfs.dir_readable(path_to_icons) then
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naughty.notify{
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title = "Battery Widget",
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text = "Folder with icons doesn't exist: " .. path_to_icons,
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preset = naughty.config.presets.critical
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}
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end
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local icon_widget = wibox.widget {
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{
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id = "icon",
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widget = wibox.widget.imagebox,
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resize = false
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},
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valign = 'center',
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layout = wibox.container.place,
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}
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local level_widget = wibox.widget {
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font = font,
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widget = wibox.widget.textbox
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}
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battery_widget = wibox.widget {
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icon_widget,
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level_widget,
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layout = wibox.layout.fixed.horizontal,
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}
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-- Popup with battery info
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-- One way of creating a pop-up notification - naughty.notify
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local notification
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local function show_battery_status(batteryType)
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awful.spawn.easy_async([[bash -c 'acpi']],
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function(stdout, _, _, _)
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naughty.destroy(notification)
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notification = naughty.notify{
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text = stdout,
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title = "Battery status",
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icon = path_to_icons .. batteryType .. ".svg",
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icon_size = dpi(16),
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position = position,
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timeout = 5, hover_timeout = 0.5,
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width = 200,
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screen = mouse.screen
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}
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end
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)
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end
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-- Alternative to naughty.notify - tooltip. You can compare both and choose the preferred one
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--battery_popup = awful.tooltip({objects = {battery_widget}})
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-- To use colors from beautiful theme put
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-- following lines in rc.lua before require("battery"):
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-- beautiful.tooltip_fg = beautiful.fg_normal
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-- beautiful.tooltip_bg = beautiful.bg_normal
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local function show_battery_warning()
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naughty.notify {
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icon = warning_msg_icon,
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icon_size = 100,
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text = warning_msg_text,
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title = warning_msg_title,
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timeout = 25, -- show the warning for a longer time
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hover_timeout = 0.5,
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position = warning_msg_position,
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bg = "#F06060",
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fg = "#EEE9EF",
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width = 300,
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screen = mouse.screen
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}
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end
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local last_battery_check = os.time()
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local batteryType = "battery-good-symbolic"
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watch("acpi -i", timeout,
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function(widget, stdout)
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local battery_info = {}
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local capacities = {}
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for s in stdout:gmatch("[^\r\n]+") do
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local status, charge_str, _ = string.match(s, '.+: (%a+), (%d?%d?%d)%%,?(.*)')
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if status ~= nil then
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table.insert(battery_info, {status = status, charge = tonumber(charge_str)})
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else
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local cap_str = string.match(s, '.+:.+last full capacity (%d+)')
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table.insert(capacities, tonumber(cap_str))
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end
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end
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local capacity = 0
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for _, cap in ipairs(capacities) do
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capacity = capacity + cap
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end
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local charge = 0
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local status
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for i, batt in ipairs(battery_info) do
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if capacities[i] ~= nil then
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if batt.charge >= charge then
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status = batt.status -- use most charged battery status
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-- this is arbitrary, and maybe another metric should be used
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end
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charge = charge + batt.charge * capacities[i]
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end
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end
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charge = charge / capacity
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if show_current_level then
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level_widget.text = string.format('%d%%', charge)
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end
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if (charge >= 1 and charge < 15) then
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batteryType = "battery-empty%s-symbolic"
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if enable_battery_warning and status ~= 'Charging' and os.difftime(os.time(), last_battery_check) > 300 then
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-- if 5 minutes have elapsed since the last warning
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last_battery_check = os.time()
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show_battery_warning()
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end
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elseif (charge >= 15 and charge < 40) then batteryType = "battery-caution%s-symbolic"
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elseif (charge >= 40 and charge < 60) then batteryType = "battery-low%s-symbolic"
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elseif (charge >= 60 and charge < 80) then batteryType = "battery-good%s-symbolic"
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elseif (charge >= 80 and charge <= 100) then batteryType = "battery-full%s-symbolic"
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end
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if status == 'Charging' then
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batteryType = string.format(batteryType, '-charging')
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else
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batteryType = string.format(batteryType, '')
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end
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widget.icon:set_image(path_to_icons .. batteryType .. ".svg")
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-- Update popup text
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-- battery_popup.text = string.gsub(stdout, "\n$", "")
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end,
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icon_widget)
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if display_notification then
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battery_widget:connect_signal("mouse::enter", function() show_battery_status(batteryType) end)
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battery_widget:connect_signal("mouse::leave", function() naughty.destroy(notification) end)
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elseif display_notification_onClick then
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battery_widget:connect_signal("button::press", function(_,_,_,button)
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if (button == 3) then show_battery_status(batteryType) end
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end)
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battery_widget:connect_signal("mouse::leave", function() naughty.destroy(notification) end)
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end
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return wibox.container.margin(battery_widget, margin_left, margin_right)
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end
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return setmetatable(battery_widget, { __call = function(_, ...) return worker(...) end })
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