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layouts: geometry computation aligned to v4.0 API; fixes #267
[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 helpers      = require("lain.helpers")
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 = helpers.make_widget_textbox()
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     function update()
26         local f = io.open(tempfile)
27         if f then
28             coretemp_now = tonumber(f:read("*all")) / 1000
29             f:close()
30         else
31             coretemp_now = "N/A"
32         end
33
34         widget = temp.widget
35         settings()
36     end
37
38     helpers.newtimer("coretemp", timeout, update)
39
40     return temp
41 end
42
43 return setmetatable(temp, { __call = function(_, ...) return worker(...) end })