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al-skel/home/.config/awesome/vicious/contrib/mpc.lua

49 lines
1.2 KiB
Lua

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-- Licensed under the GNU General Public License v2
-- * (c) 2010, Adrian C. <anrxc@sysphere.org>
-- * (c) 2009, Lucas de Vries <lucas@glacicle.com>
---------------------------------------------------
-- {{{ Grab environment
local type = type
local io = { popen = io.popen }
local setmetatable = setmetatable
local string = { find = string.find }
local helpers = require("vicious.helpers")
-- }}}
-- Mpc: provides the currently playing song in MPD
-- vicious.contrib.mpc
local mpc = {}
-- {{{ MPC widget type
local function worker(format, warg)
-- Get data from mpd
local f = io.popen("mpc")
local np = f:read("*line")
f:close()
-- Not installed,
if np == nil or -- off or stoppped.
(string.find(np, "MPD_HOST") or string.find(np, "volume:"))
then
return {"Stopped"}
end
-- Check if we should scroll, or maybe truncate
if warg then
if type(warg) == "table" then
np = helpers.scroll(np, warg[1], warg[2])
else
np = helpers.truncate(np, warg)
end
end
return {helpers.escape(np)}
end
-- }}}
return setmetatable(mpc, { __call = function(_, ...) return worker(...) end })