--[[ Licensed under GNU General Public License v2 * (c) 2013, Luke Bonham * (c) 2013, Rman --]] local helpers = require("lain.helpers") local awful = require("awful") local naughty = require("naughty") local wibox = require("wibox") local math = { modf = math.modf } local string = { format = string.format, match = string.match, rep = string.rep } local tonumber = tonumber local setmetatable = setmetatable -- ALSA volume bar -- lain.widgets.alsabar local alsabar = { colors = { background = "#000000", mute = "#EB8F8F", unmute = "#A4CE8A" }, _current_level = 0, _muted = false } local function worker(args) local args = args or {} local timeout = args.timeout or 5 local settings = args.settings or function() end local width = args.width or 63 local height = args.height or 1 local ticks = args.ticks or false local ticks_size = args.ticks_size or 7 local vertical = args.vertical or false alsabar.cmd = args.cmd or "amixer" alsabar.channel = args.channel or "Master" alsabar.colors = args.colors or alsabar.colors alsabar.followtag = args.followtag or false alsabar._notify = args.notify or "on" alsabar.notification_preset = args.notification_preset if not alsabar.notification_preset then alsabar.notification_preset = naughty.config.defaults alsabar.notification_preset.font = "Monospace 11" end alsabar.bar = wibox.widget { forced_height = height, forced_width = width, color = alsabar.colors.unmute, background_color = alsabar.colors.background, margins = 1, paddings = 1, ticks = ticks, ticks_size = ticks_size, widget = wibox.widget.progressbar, layout = vertical and wibox.container.rotate } alsabar.tooltip = awful.tooltip({ objects = { alsabar.bar } }) function alsabar.update() helpers.async(alsabar.cmd, function(mixer) local volu,mute = string.match(mixer, "([%d]+)%%.*%[([%l]*)") if (volu and tonumber(volu) ~= alsabar._current_level) or (mute and string.match(mute, "on") ~= alsabar._muted) then alsabar._current_level = tonumber(volu) or alsabar._current_level alsabar.bar:set_value(alsabar._current_level / 100) if (not mute and tonumber(volu) == 0) or mute == "off" then alsabar._muted = true alsabar.tooltip:set_text ("[Muted]") alsabar.bar.color = alsabar.colors.mute else alsabar._muted = false alsabar.tooltip:set_text(string.format("%s: %s", alsabar.channel, volu)) alsabar.bar.color = alsabar.colors.unmute end volume_now = {} volume_now.level = tonumber(volu) volume_now.status = mute settings() end end) end function alsabar.notify() alsabar.update(function() local preset = alsabar.notification_preset if alsabar._muted then preset.title = string.format("%s - Muted", alsabar.channel) else preset.title = string.format("%s - %s%%", alsabar.channel, alsabar._current_level) end int = math.modf((alsabar._current_level / 100) * awful.screen.focused().mywibox.height) preset.text = string.format("[%s%s]", string.rep("|", int), string.rep(" ", awful.screen.focused().mywibox.height - int)) if alsabar.followtag then preset.screen = awful.screen.focused() end alsabar.id = naughty.notify ({ replaces_id = alsabar.id, preset = preset }).id end) end timer_id = string.format("alsabar-%s-%s", alsabar.cmd, alsabar.channel) helpers.newtimer(timer_id, timeout, alsabar.update) return alsabar end return setmetatable(alsabar, { __call = function(_, ...) return worker(...) end })