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