All patches and comments are welcome. Please squash your changes to logical
commits before using git-format-patch and git-send-email to
patches@git.madduck.net.
If you'd read over the Git project's submission guidelines and adhered to them,
I'd be especially grateful.
5 Battery status widget for ThinkPad laptops that use SMAPI
6 lain.widgets.contrib.tpbat
8 More on tp_smapi: http://www.thinkwiki.org/wiki/Tp_smapi
10 Licensed under GNU General Public License v2
11 * (c) 2013, Conor Heine
12 * (c) 2013, Luke Bonham
13 * (c) 2010-2012, Peter Hofmann
17 local debug = { getinfo = debug.getinfo }
18 local newtimer = require("lain.helpers").newtimer
19 local first_line = require("lain.helpers").first_line
20 local naughty = require("naughty")
21 local wibox = require("wibox")
23 local string = { format = string.format }
24 local math = { floor = math.floor }
25 local tostring = tostring
26 local setmetatable = setmetatable
28 package.path = debug.getinfo(1,"S").source:match[[^@?(.*[\/])[^\/]-$]] .. "?.lua;" .. package.path
29 local smapi = require("smapi")
31 -- ThinkPad SMAPI-enabled battery info widget
32 -- lain.widgets.contrib.tpbat
34 local tpbat_notification = nil
37 if not tpbat.notification then return end
38 naughty.destroy(tpbat.notification)
39 tpbat.notification = nil
42 function tpbat.show(t_out)
47 if bat == nil or not bat:installed() then return end
49 local t_out = t_out or 0
50 local mfgr = bat:get('manufacturer') or "no_mfgr"
51 local model = bat:get('model') or "no_model"
52 local chem = bat:get('chemistry') or "no_chem"
53 local status = bat:get('state') or "nil"
54 local time = bat:remaining_time()
57 if status ~= "idle" and status ~= "nil"
61 msg = "...Calculating time remaining..."
63 msg = time .. (status == "charging" and " until charged" or " remaining")
69 local str = string.format("%s : %s %s (%s)\n", bat.name, mfgr, model, chem)
70 .. string.format("\n%s \t\t\t %s", status:upper(), msg)
72 tpbat_notification = naughty.notify({
73 preset = naughty.config.defaults,
76 screen = client.focus and client.focus.screen or 1
80 function tpbat.register(args)
81 local args = args or {}
82 local timeout = args.timeout or 30
83 local battery = args.battery or "BAT0"
84 local settings = args.settings or function() end
86 tpbat.bat = smapi:battery(battery) -- Create a new battery
89 tpbat.widget = wibox.widget.textbox('')
91 bat_notification_low_preset = {
92 title = "Battery low",
93 text = "Plug the cable!",
99 bat_notification_critical_preset = {
100 title = "Battery exhausted",
101 text = "Shutdown imminent",
107 if bat:get('state') == nil
109 local n = naughty.notify({
110 preset = bat_notification_low_preset,
111 title = "SMAPI Battery Warning: Unable to read battery state!",
112 text = "This widget is intended for ThinkPads. Is tp_smapi installed? Check your configs & paths.",
113 screen = client.focus and client.focus.screen or 1
119 status = "Not present",
127 bat_now.status = bat:status() or "N/A"
128 bat_now.perc = bat:percent()
129 bat_now.time = bat:remaining_time()
130 -- bat_now.watt = string.format("%.2fW", (VOLTS * AMPS) / 1e12)
132 -- notifications for low and critical states (when discharging)
133 if bat_now.status == "discharging"
137 tpbat.id = naughty.notify({
138 preset = bat_notification_critical_preset,
139 replaces_id = tpbat.id,
140 screen = client.focus and client.focus.screen or 1
142 elseif bat_now.perc <= 15
144 tpbat.id = naughty.notify({
145 preset = bat_notification_low_preset,
146 replaces_id = tpbat.id,
147 screen = client.focus and client.focus.screen or 1
152 bat_now.perc = tostring(bat_now.perc)
155 widget = tpbat.widget
159 newtimer("tpbat-" .. bat.name, timeout, update)
161 widget:connect_signal('mouse::enter', function () tpbat.show() end)
162 widget:connect_signal('mouse::leave', function () tpbat.hide() end)
167 return setmetatable(tpbat, { __call = function(_, ...) return tpbat.register(...) end })