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