mirror of https://github.com/lcpz/lain.git
104 lines
2.9 KiB
Lua
104 lines
2.9 KiB
Lua
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--[[
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Licensed under GNU General Public License v2
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* (c) 2013, Luke Bonham
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* (c) 2010-2012, Peter Hofmann
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* (c) 2010, Adrian C. <anrxc@sysphere.org>
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--]]
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local markup = require("lain.util.markup")
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local run_in_terminal = require("lain.helpers").run_in_terminal
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local awful = require("awful")
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local beautiful = require("beautiful")
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local wibox = require("wibox")
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local io = io
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local string = { format = string.format,
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match = string.match }
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local setmetatable = setmetatable
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-- ALSA volume infos
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-- nain.widgets.alsa
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local alsa = {
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volume = 0,
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mute = false,
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}
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function worker(args)
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local args = args or {}
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local channel = args.channel or "Master"
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local step = args.step or "1%"
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local header = args.header or " Vol "
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local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
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local color = args.color or beautiful.fg_focus or "#FFFFFF"
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local myvolume = wibox.widget.textbox()
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local myvolumeupdate = function()
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local f = io.popen('amixer get ' .. channel)
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local mixer = f:read("*all")
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f:close()
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local volume, mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
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if volume == nil
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then
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alsa.volume = 0
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else
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alsa.volume = volume
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end
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if mute == nil or mute == 'on'
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then
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alsa.mute = true
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mute = ''
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else
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alsa.mute = false
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mute = 'M'
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end
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local ret = markup(color, string.format("%d%s", volume, mute))
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myvolume:set_markup(markup(header_color, header) .. ret .. " ")
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end
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local myvolumetimer = timer({ timeout = 5 })
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myvolumetimer:connect_signal("timeout", myvolumeupdate)
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myvolumetimer:start()
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myvolumetimer:emit_signal("timeout")
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myvolume:buttons(awful.util.table.join(
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awful.button({}, 1,
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function()
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run_in_terminal('alsamixer')
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end),
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awful.button({}, 3,
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function()
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awful.util.spawn('amixer sset ' .. channel ' toggle')
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end),
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awful.button({}, 4,
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function()
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awful.util.spawn('amixer sset ' .. channel .. ' ' .. step '+')
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myvolumeupdate()
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end),
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awful.button({}, 5,
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function()
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awful.util.spawn('amixer sset ' .. channel .. ' ' .. step '-')
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myvolumeupdate()
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end)
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))
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alsa.widget = myvolume
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alsa.channel = channel
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alsa.step = step
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alsa.notify = myvolumeupdate
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return setmetatable(alsa, { __index = alsa.widget })
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end
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return setmetatable(alsa, { __call = function(_, ...) return worker(...) end })
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