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-------------------------------------------------
-- Volume Arc 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/volumearc-widget
-- @author Pavel Makhov
-- @copyright 2018 Pavel Makhov
-------------------------------------------------
local awful = require("awful")
local beautiful = require("beautiful")
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 -q -D pulse sset Master 5%+'
local DEC_VOLUME_CMD = 'amixer -q -D pulse sset Master 5%-'
local TOG_VOLUME_CMD = 'amixer -q -D pulse sset Master toggle'
local PATH_TO_ICON = "/usr/share/icons/Arc/status/symbolic/audio-volume-muted-symbolic.svg"
local widget = {}
local function worker(user_args)
local args = user_args or {}
local main_color = args.main_color or beautiful.fg_color
local bg_color = args.bg_color or '#ffffff11'
local mute_color = args.mute_color or beautiful.fg_urgent
local path_to_icon = args.path_to_icon or PATH_TO_ICON
local thickness = args.thickness or 2
local height = args.height or 18
local timeout = args.timeout or 1
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 icon = {
id = "icon",
image = path_to_icon,
resize = true,
widget = wibox.widget.imagebox,
}
local volumearc = wibox.widget {
icon,
max_value = 1,
thickness = thickness,
start_angle = 4.71238898, -- 2pi*3/4
forced_height = height,
forced_width = height,
bg = bg_color,
paddings = 2,
widget = wibox.container.arcchart
}
local update_graphic = function(_, 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.colors = mute == 'off'
and { mute_color }
or { main_color }
end
local button_press = args.button_press or function(_, _, _, button)
if (button == 4) then awful.spawn(inc_volume_cmd, false)
elseif (button == 5) then awful.spawn(dec_volume_cmd, false)
elseif (button == 1) then awful.spawn(tog_volume_cmd, false)
end
spawn.easy_async(get_volume_cmd, function(stdout, stderr, exitreason, exitcode)
update_graphic(volumearc, stdout, stderr, exitreason, exitcode)
end)
end
volumearc:connect_signal("button::press", button_press)
watch(get_volume_cmd, timeout, update_graphic, volumearc)
return volumearc
end
return setmetatable(widget, { __call = function(_, ...) return worker(...) end })
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