69 lines
2.0 KiB
Lua
69 lines
2.0 KiB
Lua
-- contrib/ossvol_linux.lua
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-- Copyright (C) 2010 Adrian C. <anrxc@sysphere.org>
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-- Copyright (C) 2017 Jörg Thalheim <joerg@higgsboson.tk>
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--
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-- This file is part of Vicious.
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--
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-- Vicious is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as
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-- published by the Free Software Foundation, either version 2 of the
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-- License, or (at your option) any later version.
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--
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-- Vicious is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with Vicious. If not, see <https://www.gnu.org/licenses/>.
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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 = { match = string.match }
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-- }}}
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-- Ossvol: provides volume levels of requested OSS mixers
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-- vicious.contrib.ossvol
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local ossvol_linux = {}
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-- {{{ Volume widget type
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local function worker(format, warg)
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if not warg then return end
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local mixer_state = {
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["on"] = "♫", -- "",
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["off"] = "♩" -- "M"
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}
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-- Get mixer control contents
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local f = io.popen("ossmix -c")
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local mixer = f:read("*all")
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f:close()
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-- Capture mixer control state
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local volu = tonumber(string.match(mixer, warg .. "[%s]([%d%.]+)"))/0.25
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local mute = string.match(mixer, "vol%.mute[%s]([%a]+)")
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-- Handle mixers without data
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if volu == nil then
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return {0, mixer_state["off"]}
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end
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-- Handle mixers without mute
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if mute == "OFF" and volu == "0"
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-- Handle mixers that are muted
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or mute == "ON" then
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mute = mixer_state["off"]
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else
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mute = mixer_state["on"]
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end
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return {volu, mute}
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end
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-- }}}
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return setmetatable(ossvol_linux, { __call = function(_, ...) return worker(...) end })
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