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53 lines
1.5 KiB
53 lines
1.5 KiB
--[[ |
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Licensed under GNU General Public License v2 |
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* (c) 2013, Luca CPZ |
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* (c) 2010, Adrian C. <anrxc@sysphere.org> |
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--]] |
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local helpers = require("lain.helpers") |
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local shell = require("awful.util").shell |
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local wibox = require("wibox") |
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local string = string |
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-- ALSA volume |
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-- lain.widget.alsa |
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local function factory(args) |
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args = args or {} |
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local alsa = { widget = args.widget or wibox.widget.textbox() } |
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local timeout = args.timeout or 5 |
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local settings = args.settings or function() end |
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alsa.cmd = args.cmd or "amixer" |
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alsa.channel = args.channel or "Master" |
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alsa.togglechannel = args.togglechannel |
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local format_cmd = string.format("%s get %s", alsa.cmd, alsa.channel) |
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if alsa.togglechannel then |
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format_cmd = { shell, "-c", string.format("%s get %s; %s get %s", |
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alsa.cmd, alsa.channel, alsa.cmd, alsa.togglechannel) } |
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end |
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alsa.last = {} |
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function alsa.update() |
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helpers.async(format_cmd, function(mixer) |
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local l,s = string.match(mixer, "([%d]+)%%.*%[([%l]*)") |
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if alsa.last.level ~= l or alsa.last.status ~= s then |
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volume_now = { level = l, status = s } |
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widget = alsa.widget |
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settings() |
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alsa.last = volume_now |
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end |
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end) |
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end |
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helpers.newtimer(string.format("alsa-%s-%s", alsa.cmd, alsa.channel), timeout, alsa.update) |
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return alsa |
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end |
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return factory
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