awesome-wm-widgets/volumebar-widget/volumebar.lua

86 lines
2.8 KiB
Lua

-------------------------------------------------
-- Volume Bar Widget for Awesome Window Manager
-- Shows the current volume level
-- More details could be found here:
-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/volumebar-widget
-- @author Pavel Makhov
-- @copyright 2018 Pavel Makhov
-------------------------------------------------
local awful = require("awful")
local beautiful = require("beautiful")
local gears = require("gears")
local spawn = require("awful.spawn")
local watch = require("awful.widget.watch")
local wibox = require("wibox")
local GET_VOLUME_CMD = 'amixer -D pulse sget Master'
local INC_VOLUME_CMD = 'amixer -D pulse sset Master 5%+'
local DEC_VOLUME_CMD = 'amixer -D pulse sset Master 5%-'
local TOG_VOLUME_CMD = 'amixer -D pulse sset Master toggle'
local widget = {}
local function worker(args)
local args = args or {}
local main_color = args.main_color or beautiful.fg_normal
local mute_color = args.mute_color or beautiful.fg_urgent
local width = args.width or 50
local shape = args.shape or 'bar'
local margins = args.margins or 10
local get_volume_cmd = args.get_volume_cmd or GET_VOLUME_CMD
local inc_volume_cmd = args.inc_volume_cmd or INC_VOLUME_CMD
local dec_volume_cmd = args.dec_volume_cmd or DEC_VOLUME_CMD
local tog_volume_cmd = args.tog_volume_cmd or TOG_VOLUME_CMD
local volumebar_widget = wibox.widget {
max_value = 1,
forced_width = width,
color = main_color,
background_color = '#ffffff11',
shape = gears.shape[shape],
margins = {
top = margins,
bottom = margins,
},
widget = wibox.widget.progressbar
}
local update_graphic = function(widget, stdout, _, _, _)
local mute = string.match(stdout, "%[(o%D%D?)%]") -- \[(o\D\D?)\] - [on] or [off]
local volume = string.match(stdout, "(%d?%d?%d)%%") -- (\d?\d?\d)\%)
volume = tonumber(string.format("% 3d", volume))
widget.value = volume / 100;
widget.color = mute == "off"
and mute_color
or main_color
end
volumebar_widget:connect_signal("button::press", function(_, _, _, button)
if (button == 4) then
awful.spawn(inc_volume_cmd)
elseif (button == 5) then
awful.spawn(dec_volume_cmd)
elseif (button == 1) then
awful.spawn(tog_volume_cmd)
end
spawn.easy_async(get_volume_cmd, function(stdout, stderr, exitreason, exitcode)
update_graphic(volumebar_widget, stdout, stderr, exitreason, exitcode)
end)
end)
watch(get_volume_cmd, 1, update_graphic, volumebar_widget)
return volumebar_widget
end
return setmetatable(widget, { __call = function(_, ...) return worker(...) end })