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

66 lines
2.0 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 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 bar_color = "#74aeab"
local mute_color = "#ff0000"
local background_color = "#3a3a3a"
local volumebar_widget = wibox.widget {
max_value = 1,
forced_width = 50,
paddings = 0,
border_width = 0.5,
color = bar_color,
background_color = background_color,
shape = gears.shape.bar,
clip = true,
margins = {
top = 10,
bottom = 10,
},
widget = wibox.widget.progressbar
}
local update_graphic = function(widget, stdout, _, _, _)
local mute = string.match(stdout, "%[(o%D%D?)%]")
local volume = string.match(stdout, "(%d?%d?%d)%%")
volume = tonumber(string.format("% 3d", volume))
widget.value = volume / 100;
widget.color = mute == "off" and mute_color
or bar_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