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#290 forgot fs
[etc/awesome.git] / widgets / base.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2014, Luke Bonham                     
6                                                   
7 --]]
8
9 local helpers      = require("lain.helpers")
10 local wibox        = require("wibox")
11 local setmetatable = setmetatable
12
13 -- Basic template for custom widgets
14 -- lain.widgets.base
15
16 local function worker(args)
17     local base      = helpers.make_widget_textbox()
18     local args      = args or {}
19     local timeout   = args.timeout or 5
20     local nostart   = args.nostart or false
21     local stoppable = args.stoppable or false
22     local cmd       = args.cmd or ""
23     local settings  = args.settings or function() end
24
25     function base.update()
26         output = helpers.read_pipe(cmd)
27         if output ~= base.prev then
28             widget = base.widget
29             settings()
30             base.prev = output
31         end
32     end
33
34     base.timer = helpers.newtimer(cmd, timeout, base.update, nostart, stoppable)
35
36     return base
37 end
38
39 return setmetatable({}, { __call = function(_, ...) return worker(...) end })