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git.madduck.net Git - etc/awesome.git/blobdiff - widgets/alsa.lua
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insteadOf = madduck:
-
- Licensed under GNU General Public License v2
- * (c) 2013, Luke Bonham
- * (c) 2010, Adrian C. <anrxc@sysphere.org>
-
+
+ Licensed under GNU General Public License v2
+ * (c) 2013, Luke Bonham
+ * (c) 2010, Adrian C. <anrxc@sysphere.org>
+
--]]
local newtimer = require("lain.helpers").newtimer
--]]
local newtimer = require("lain.helpers").newtimer
+local read_pipe = require("lain.helpers").read_pipe
local wibox = require("wibox")
local wibox = require("wibox")
-local io = { popen = io.popen }
-local string = { match = string.match }
+local string = { match = string.match,
+ format = string.format }
local setmetatable = setmetatable
-- ALSA volume
-- lain.widgets.alsa
local setmetatable = setmetatable
-- ALSA volume
-- lain.widgets.alsa
+local alsa = { last_level = "0", last_status = "" }
local function worker(args)
local args = args or {}
local timeout = args.timeout or 5
local function worker(args)
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
- widget = wibox.widget.textbox('')
+ alsa.cmd = args.cmd or "amixer"
+ alsa.channel = args.channel or "Master"
+ alsa.widget = wibox.widget.textbox('')
- function update()
- local f = io.popen('amixer get ' .. channel)
- local mixer = f:read("*all")
- f:close()
+ function alsa.update()
+ mixer = read_pipe(string.format("%s get %s", alsa.cmd, alsa.channel))
+ l, s = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
+ if alsa.last_level ~= l or alsa.last_status ~= s then
+ volume_now = { level = l, status = s }
+ alsa.last_level = l
+ alsa.last_status = s
- volume.level, volume.status = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
-
- if volume.level == nil
- then
- volume.level = 0
- volume.status = "off"
- end
-
- if volume.status == ""
- then
- if volume.level == 0
- then
- volume.status = "off"
- else
- volume.status = "on"
- end
+ widget = alsa.widget
+ settings()
- newtimer("alsa", timeout, update )
+ timer_id = string.format("alsa-%s-%s", alsa.cmd, alsa.channel )
- output = { widget = widget, notify = update }
+ newtimer(timer_id, timeout, alsa.update)
- return setmetatable(output, { __index = output .widget })
+ return setmetatable(alsa, { __index = alsa .widget })
end
return setmetatable(alsa, { __call = function(_, ...) return worker(...) end })
end
return setmetatable(alsa, { __call = function(_, ...) return worker(...) end })
projects / etc / awesome.git / blobdiff