--[[
-
- Licensed under GNU General Public License v2
- * (c) 2013, Luke Bonham
- * (c) 2010-2012, Peter Hofmann
- * (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 markup = require("lain.util.markup")
-local run_in_terminal = require("lain.helpers").run_in_terminal
+local newtimer = require("lain.helpers").newtimer
+local read_pipe = require("lain.helpers").read_pipe
-local awful = require("awful")
-local beautiful = require("beautiful")
-local wibox = require("wibox")
+local wibox = require("wibox")
-local io = io
-local string = { format = string.format,
- match = string.match }
+local string = { match = string.match,
+ format = string.format }
-local setmetatable = setmetatable
+local setmetatable = setmetatable
--- ALSA volume infos
--- nain.widgets.alsa
-local alsa = {
- volume = 0,
- mute = false,
-}
+-- ALSA volume
+-- lain.widgets.alsa
+local alsa = { last_level = "0", last_status = "" }
-function worker(args)
- local args = args or {}
- local channel = args.channel or "Master"
- local step = args.step or "1%"
- local header = args.header or " Vol "
- local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
- local color = args.color or beautiful.fg_focus or "#FFFFFF"
+local function worker(args)
+ local args = args or {}
+ local timeout = args.timeout or 5
+ local settings = args.settings or function() end
- local myvolume = wibox.widget.textbox()
- local myvolumeupdate = function()
- local f = 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.widget = wibox.widget.textbox('')
- local volume, mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
+ function alsa.update()
+ mixer = read_pipe(string.format("%s get %s", alsa.cmd, alsa.channel))
+ l,s = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
- if volume == nil
- then
- alsa.volume = 0
- else
- alsa.volume = volume
- end
+ 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
- if mute == nil or mute == 'on'
- then
- alsa.mute = true
- mute = ''
- else
- alsa.mute = false
- mute = 'M'
+ widget = alsa.widget
+ settings()
end
-
- local ret = markup(color, string.format("%d%s", volume, mute))
- myvolume:set_markup(markup(header_color, header) .. ret .. " ")
end
- local myvolumetimer = timer({ timeout = 5 })
- myvolumetimer:connect_signal("timeout", myvolumeupdate)
- myvolumetimer:start()
- myvolumetimer:emit_signal("timeout")
-
- myvolume:buttons(awful.util.table.join(
- awful.button({}, 1,
- function()
- run_in_terminal('alsamixer')
- end),
- awful.button({}, 3,
- function()
- awful.util.spawn('amixer sset ' .. channel ' toggle')
- end),
-
- awful.button({}, 4,
- function()
- awful.util.spawn('amixer sset ' .. channel .. ' ' .. step '+')
- myvolumeupdate()
- end),
-
- awful.button({}, 5,
- function()
- awful.util.spawn('amixer sset ' .. channel .. ' ' .. step '-')
- myvolumeupdate()
- end)
- ))
-
- alsa.widget = myvolume
- alsa.channel = channel
- alsa.step = step
- alsa.notify = myvolumeupdate
+ timer_id = string.format("alsa-%s-%s", alsa.cmd, alsa.channel)
+ newtimer(timer_id, timeout, alsa.update)
return setmetatable(alsa, { __index = alsa.widget })
end