volume indicator pulseaudio

-- Volume indicator pa
volumecfg = {}
volumecfg.sink = " alsa_output.pci-0000_00_1b.0.analog-stereo"
volumecfg.widget = widget( { type = "textbox", name = "volumecfg.widget", align = "right" } )
volumecfg.mixercommand = function (command)
    closeLastNoti()
    local fd = io.popen(command .. " && pacmd dump |grep -e set-sink-volume -e set-sink-mute")
    local status = fd:read("*all")
    fd:close()
    local volume = string.match(status, "(0x%x%x%x?%x)")
    volume_f = tonumber(string.format("%04x", volume),"16")
    volume = math.ceil(volume_f/655)
    if string.find(status, " no", 1, true) then
        volume = "<span color='#4E99E6'>♫</span>" .. volume .. "% "
    else
        volume = "♩" .. volume .. "m"
    end
    volumecfg.widget.text = volume
    naughty.notify({font = "Droid Sans 36", position = "bottom_right", screen = screen.count(),  border_width = 0, timeout = 2, hover_timeout = 1, title = "Громкость", text = volumecfg.widget.text })
end
volumecfg.update = function ()
    volumecfg.mixercommand("pactl set-sink-volume " .. volumecfg.sink .. " +0")
end
volumecfg.up = function ()
    local add_volume = " +1000"
    if (volume_f+1000)> 65535 then add_volume = " 65500" end
    volumecfg.mixercommand("pactl set-sink-volume " .. volumecfg.sink .. add_volume)
end
volumecfg.down = function ()
    volumecfg.mixercommand("pactl set-sink-volume " .. volumecfg.sink .. " -1000")
end
volumecfg.toggle = function ()
    volumecfg.mixercommand("pactl set-sink-mute " .. volumecfg.sink .. " toggle")
end

volumecfg.widget:buttons(awful.util.table.join(
    awful.button({ }, 4, function () volumecfg.up() end),
    awful.button({ }, 5, function () volumecfg.down() end),
    awful.button({ }, 3, function () awful.util.spawn("/usr/bin/pavucontrol") end),
    awful.button({ }, 1, function () volumecfg.toggle() end)
))
volumecfg.update()

volumecfg.widget.border_width = 0
--volumecfg.widget.width = 80
volumecfg.widget.border_color = beautiful.fg_focus
--volumecfg_t = awful.tooltip({ objects = { volumecfg.widget },})
--volumecfg_t:set_text( "Громкость" )
--volumecfg_t.border_width = 0