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git.madduck.net Git - etc/awesome.git/blobdiff - widgets/alsa.lua
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[url "git://git.madduck.net/madduck/"]
insteadOf = madduck:
-local newtimer = require("lain.helpers").newtimer
-
-local wibox = require("wibox")
-
-local io = { popen = io.popen }
-local string = { match = string.match }
-
-local setmetatable = setmetatable
+local helpers = require("lain.helpers")
+local shell = require("awful.util").shell
+local wibox = require("wibox")
+local string = { match = string.match,
+ format = string.format }
+local setmetatable = setmetatable
-- ALSA volume
-- lain.widgets.alsa
-- ALSA volume
-- lain.widgets.alsa
local function worker(args)
local function worker(args)
+ local alsa = { widget = wibox.widget.textbox() }
local args = args or {}
local timeout = args.timeout or 5
local args = args or {}
local timeout = args.timeout or 5
- local channel = args.channel or "Master"
local settings = args.settings or function() end
local settings = args.settings or function() end
- alsa.widget = wibox.widget.textbox('')
-
- function alsa.update()
- local f = assert(io.popen('amixer get ' .. channel))
- local mixer = f:read("*all")
- f:close()
+ alsa.cmd = args.cmd or "amixer"
+ alsa.channel = args.channel or "Master"
+ alsa.togglechannel = args.togglechannel
+ local format_cmd = string.format("%s get %s", alsa.cmd, alsa.channel)
- volume_now.level, volume_now.status = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
+ if alsa.togglechannel then
+ format_cmd = { shell, "-c", string.format("%s get %s; %s get %s",
+ alsa.cmd, alsa.channel, alsa.cmd, alsa.togglechannel) }
+ end
- if volume_now.level == nil
- then
- volume_now.level = "0"
- volume_now.status = "off"
- end
- if volume_now.status == ""
- then
- if volume_now.level == "0"
- then
- volume_now.status = "off"
- else
- volume_now.status = "on"
+ function alsa.update()
+ helpers.async(format_cmd, function(mixer)
+ local l,s = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
+ if alsa.last.level ~= l or alsa.last.status ~= s then
+ volume_now = { level = l, status = s }
+ widget = alsa.widget
+ settings()
+ alsa.last = volume_now
- end
-
- widget = alsa.widget
- settings()
- newtimer("alsa" , timeout, alsa.update)
+ helpers.newtimer(string.format("alsa-%s-%s", alsa.cmd, alsa.channel) , timeout, alsa.update)
- return setmetatable(alsa, { __index = alsa.widget })
-return setmetatable(alsa , { __call = function(_, ...) return worker(...) end })
+return setmetatable({} , { __call = function(_, ...) return worker(...) end })