55 lines
1.4 KiB
Lua
55 lines
1.4 KiB
Lua
|
---------------------------------------------------
|
||
|
|
-- Licensed under the GNU General Public License v2
|
||
|
|
-- * (c) 2010, Adrian C. <anrxc@sysphere.org>
|
||
|
|
---------------------------------------------------
|
||
|
|
|
||
|
|
-- {{{ 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 = {}
|
||
|
|
|
||
|
|
|
||
|
|
-- {{{ 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, { __call = function(_, ...) return worker(...) end })
|