---[[
-
- tpbat.lua
- Battery status widget for ThinkPad laptops that use SMAPI
- lain.widget.contrib.tpbat
-
- More on tp_smapi: http://www.thinkwiki.org/wiki/Tp_smapi
-
- Licensed under GNU General Public License v2
- * (c) 2013, Conor Heine
- * (c) 2013, Luca CPZ
- * (c) 2010-2012, Peter Hofmann
-
---]]
-
-local debug = { getinfo = debug.getinfo }
-local newtimer = require("lain.helpers").newtimer
-local first_line = require("lain.helpers").first_line
-local naughty = require("naughty")
-local wibox = require("wibox")
-local string = { format = string.format }
-local math = { floor = math.floor }
-local tostring = tostring
-local setmetatable = setmetatable
-package.path = debug.getinfo(1,"S").source:match[[^@?(.*[\/])[^\/]-$]] .. "?.lua;" .. package.path
-local smapi = require("smapi")
-
--- ThinkPad SMAPI-enabled battery info widget
--- lain.widget.contrib.tpbat
-local tpbat = {}
-
-function tpbat.hide()
- if not tpbat.notification then return end
- naughty.destroy(tpbat.notification)
- tpbat.notification = nil
-end
-
-function tpbat.show(t_out)
- tpbat.hide()
-
- local bat = tpbat.bat
-
- if bat == nil or not bat:installed() then return end
-
- local t_out = t_out or 0
- local mfgr = bat:get('manufacturer') or "no_mfgr"
- local model = bat:get('model') or "no_model"
- local chem = bat:get('chemistry') or "no_chem"
- local status = bat:get('state') or "nil"
- local time = bat:remaining_time()
- local msg = "\t"
-
- if status ~= "idle" and status ~= "nil" then
- if time == "N/A" then
- msg = "...Calculating time remaining..."
- else
- msg = time .. (status == "charging" and " until charged" or " remaining")
- end
- else
- msg = "On AC Power"
- end
-
- local str = string.format("%s : %s %s (%s)\n", bat.name, mfgr, model, chem)
- .. string.format("\n%s \t\t\t %s", status:upper(), msg)
-
- tpbat.notification = naughty.notify({
- text = str,
- timeout = t_out,
- screen = client.focus and client.focus.screen or 1
- })
-end
-
-function tpbat.register(args)
- local args = args or {}
- local timeout = args.timeout or 30
- local battery = args.battery or "BAT0"
- local bat_low_perc = args.bat_low_perc or 15
- local bat_critical_perc = args.bat_critical_perc or 5
- local settings = args.settings or function() end
-
- tpbat.bat = smapi:battery(battery) -- Create a new battery
- local bat = tpbat.bat
-
- tpbat.widget = wibox.widget.textbox()
-
- bat_notification_low_preset = {
- title = "Battery low",
- text = "Plug the cable!",
- timeout = 15,
- fg = "#202020",
- bg = "#CDCDCD"
- }
-
- bat_notification_critical_preset = {
- title = "Battery exhausted",
- text = "Shutdown imminent",
- timeout = 15,
- fg = "#000000",
- bg = "#FFFFFF"
- }
-
- if bat:get('state') == nil
- then
- local n = naughty.notify({
- preset = bat_notification_low_preset,
- title = "SMAPI Battery Warning: Unable to read battery state!",
- text = "This widget is intended for ThinkPads. Is tp_smapi installed? Check your configs & paths.",
- screen = client.focus and client.focus.screen or 1
- })
- end
-
- function tpbat.update()
- bat_now = {
- status = "Not present",
- perc = "N/A",
- time = "N/A",
- watt = "N/A"
- }
-
- if bat:installed()
- then
- bat_now.status = bat:status() or "N/A"
- bat_now.perc = bat:percent()
- bat_now.time = bat:remaining_time()
- -- bat_now.watt = string.format("%.2fW", (VOLTS * AMPS) / 1e12)
-
- -- notifications for low and critical states (when discharging)
- if bat_now.status == "discharging"
- then
- if bat_now.perc <= bat_critical_perc
- then
- tpbat.id = naughty.notify({
- preset = bat_notification_critical_preset,
- replaces_id = tpbat.id,
- screen = client.focus and client.focus.screen or 1
- }).id
- elseif bat_now.perc <= bat_low_perc
- then
- tpbat.id = naughty.notify({
- preset = bat_notification_low_preset,
- replaces_id = tpbat.id,
- screen = client.focus and client.focus.screen or 1
- }).id
- end
- end
-
- bat_now.perc = tostring(bat_now.perc)
- end
-
- widget = tpbat.widget
-
- settings()
- end
-
- newtimer("tpbat-" .. bat.name, timeout, tpbat.update)
-
- widget:connect_signal('mouse::enter', function () tpbat.show() end)
- widget:connect_signal('mouse::leave', function () tpbat.hide() end)
-
- return tpbat
-end
-
-return setmetatable(tpbat, { __call = function(_, ...) return tpbat.register(...) end })
projects / etc / awesome.git / commitdiff