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9c82b8b62823edecd2b3367e204a548fce4a0574
[etc/awesome.git] / widgets / temp.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2013, Luke Bonham                     
6                                                   
7 --]]
8
9 local newtimer     = require("lain.helpers").newtimer
10 local wibox        = require("wibox")
11 local io           = { open = io.open }
12 local tonumber     = tonumber
13 local setmetatable = setmetatable
14
15 -- coretemp
16 -- lain.widgets.temp
17 local temp = {}
18
19 local function worker(args)
20     local args     = args or {}
21     local timeout  = args.timeout or 2
22     local tempfile = args.tempfile or "/sys/class/thermal/thermal_zone0/temp"
23     local settings = args.settings or function() end
24
25     temp.widget = wibox.widget.textbox()
26
27     function update()
28         local f = io.open(tempfile)
29         local coretemp_now
30         if f then
31             coretemp_now = tonumber(f:read("*all")) / 1000
32             f:close()
33         else
34             coretemp_now = "N/A"
35         end
36
37         widget = temp.widget
38         settings()
39     end
40
41     newtimer("coretemp", timeout, update)
42
43     return temp.widget
44 end
45
46 return setmetatable(temp, { __call = function(_, ...) return worker(...) end })