lain/widgets/base.lua

43 lines
1.1 KiB
Lua

--[[
Licensed under GNU General Public License v2
* (c) 2014, Luke Bonham
--]]
local newtimer = require("lain.helpers").newtimer
local read_pipe = require("lain.helpers").read_pipe
local wibox = require("wibox")
local setmetatable = setmetatable
-- Basic template for custom widgets
-- lain.widgets.base
local function worker(args)
local base = {}
local args = args or {}
local timeout = args.timeout or 5
local cmd = args.cmd or ""
local settings = args.settings or function() end
base.widget = wibox.widget.textbox('')
function base.update()
if output ~= base.prev then
output = read_pipe(cmd)
widget = base.widget
settings()
base.prev = output
end
end
newtimer(cmd, timeout, base.update)
return setmetatable(base, { __index = base.widget })
end
return setmetatable({}, { __call = function(_, ...) return worker(...) end })