117 lines
3.8 KiB
Lua
117 lines
3.8 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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---------------------------------------------------
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-- {{{ Grab environment
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local tonumber = tonumber
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local io = { popen = io.popen }
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local setmetatable = setmetatable
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local string = { gmatch = string.gmatch }
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local helpers = require("vicious.helpers")
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local math = { floor = math.floor }
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-- }}}
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-- Mpd: provides Music Player Daemon information
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-- vicious.widgets.mpd
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local mpd_all = {}
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-- {{{ Return true if number is nonzero
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local function cbool(number)
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return type(number) == "number" and number ~= 0 or number
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end
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-- }}}
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-- {{{ Format playing progress
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function format_progress(elapsed, duration)
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local em, es = math.floor(elapsed / 60), math.floor(elapsed % 60)
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local dm, ds = math.floor(duration / 60), math.floor(duration % 60)
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if dm < 10 then
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return ("%d:%02d"):format(em, es), ("%d:%02d"):format(dm, ds)
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elseif dm < 60 then
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return ("%02d:%02d"):format(em, es), ("%02d:%02d"):format(dm, ds)
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elseif dm < 600 then
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return ("%d:%02d:%02d"):format(math.floor(em / 60), math.floor(em % 60), es),
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("%d:%02d:%02d"):format(math.floor(dm / 60), math.floor(dm % 60), ds)
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else
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return ("%02d:%02d:%02d"):format(math.floor(em / 60), math.floor(em % 60), es),
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("%02d:%02d:%02d"):format(math.floor(dm / 60), math.floor(dm % 60), ds)
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end
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end
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-- }}}
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-- {{{ Format playing progress (percentage)
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function format_progress_percentage(elapsed, duration)
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if duration > 0 then
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local percentage = math.floor((elapsed / duration) * 100 + 0.5)
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return ("%d%%"):format(percentage)
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else
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return("0%")
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end
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end
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-- }}}
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-- {{{ MPD widget type
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local function worker(format, warg)
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-- Fallback values
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local mpd_state = {
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["{volume}"] = 0,
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["{bitrate}"] = 0,
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["{elapsed}"] = 0,
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["{duration}"] = 0,
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["{repeat}"] = false,
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["{random}"] = false,
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["{state}"] = "N/A",
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["{Artist}"] = "N/A",
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["{Title}"] = "N/A",
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["{Album}"] = "N/A",
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["{Genre}"] = "N/A",
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--["{Name}"] = "N/A",
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--["{file}"] = "N/A",
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}
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-- Construct MPD client options, fallback to defaults when necessary
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local query = ("printf 'password %s\nstatus\ncurrentsong\nclose\n'"):format(
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warg and (warg.password or warg[1]) or '""')
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local connect = ("curl --connect-timeout 1 -fsm 3 telnet://%s:%s"):format(
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warg and (warg.host or warg[2]) or "127.0.0.1",
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warg and (warg.port or warg[3]) or "6600")
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-- Get data from MPD server
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local f = io.popen(query .. "|" .. connect)
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for line in f:lines() do
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for k, v in string.gmatch(line, "([%w]+):[%s](.*)$") do
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local key = "{" .. k .. "}"
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if k == "volume" or k == "bitrate" or
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k == "elapsed" or k == "duration" then
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mpd_state[key] = v and tonumber(v)
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elseif k == "repeat" or k == "random" then
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mpd_state[key] = cbool(v)
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elseif k == "state" then
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mpd_state[key] = helpers.capitalize(v)
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elseif k == "Artist" or k == "Title" or
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--k == "Name" or k == "file" or
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k == "Album" or k == "Genre" then
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mpd_state[key] = v
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end
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end
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end
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f:close()
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-- Formatted elapsed and duration
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mpd_state["{Elapsed}"], mpd_state["{Duration}"] = format_progress(
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mpd_state["{elapsed}"], mpd_state["{duration}"])
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-- Formatted playing progress percentage
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mpd_state["{Progress}"] = format_progress_percentage(
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mpd_state["{elapsed}"], mpd_state["{duration}"])
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return mpd_state
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end
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-- }}}
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return setmetatable(mpd_all, { __call = function(_, ...) return worker(...) end })
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