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-------------------------------------------------
-- Cmus Widget for Awesome Window Manager
-- Show what's playing, play/pause, etc
-- @author Augusto Gunsch
-- @copyright 2022 Augusto Gunsch
-------------------------------------------------
local awful = require("awful")
local wibox = require("wibox")
local watch = require("awful.widget.watch")
local spawn = require("awful.spawn")
local beautiful = require('beautiful')
local function ellipsize(text, length)
-- utf8 only available in Lua 5.3+
if utf8 == nil then
return text:sub(0, length)
end
return (utf8.len(text) > length and length > 0)
and text:sub(0, utf8.offset(text, length - 2) - 1) .. '...'
or text
end
local cmus_widget = {}
local function worker(user_args)
local args = user_args or {}
local font = args.font or beautiful.font
local path_to_icons = args.path_to_icons or "/usr/share/icons/Arc/actions/symbolic/"
local timeout = args.timeout or 10
local max_length = args.max_length or 30
local space = args.space or 3
cmus_widget.widget = wibox.widget {
{
{
id = "playback_icon",
resize = false,
widget = wibox.widget.imagebox,
},
layout = wibox.container.place
},
{
id = "text",
font = font,
widget = wibox.widget.textbox
},
spacing = space,
layout = wibox.layout.fixed.horizontal,
update_icon = function(self, name)
self:get_children_by_id("playback_icon")[1]:set_image(path_to_icons .. name)
end,
set_title = function(self, title)
self:get_children_by_id("text")[1]:set_text(title)
end
}
local function update_widget(widget, stdout, _, _, code)
if code == 0 then
local cmus_info = {}
for s in stdout:gmatch("[^\r\n]+") do
local key, val = string.match(s, "^tag (%a+) (.+)$")
if key and val then
cmus_info[key] = val
else
key, val = string.match(s, "^set (%a+) (.+)$")
if key and val then
cmus_info[key] = val
else
key, val = string.match(s, "^(%a+) (.+)$")
if key and val then
cmus_info[key] = val
end
end
end
end
local title = cmus_info.title
if not title and cmus_info.file then
title = cmus_info.file:gsub("%..-$", "")
title = title:gsub("^.+/", "")
end
if title then
if cmus_info["status"] == "playing" then
widget:update_icon("media-playback-start-symbolic.svg")
elseif cmus_info["status"] == "paused" then
widget:update_icon("media-playback-pause-symbolic.svg")
else
widget:update_icon("media-playback-stop-symbolic.svg")
end
widget:set_title(ellipsize(title, max_length))
widget.visible = true
else
widget.visible = false
end
else
widget.visible = false
end
end
function cmus_widget:update()
spawn.easy_async("cmus-remote -Q",
function(stdout, _, _, code)
update_widget(cmus_widget.widget, stdout, _, _, code)
end)
end
function cmus_widget:play_pause()
spawn("cmus-remote -u")
cmus_widget.update()
end
function cmus_widget:pause()
spawn("cmus-remote -U")
cmus_widget.update()
end
function cmus_widget:play()
spawn("cmus-remote -p")
cmus_widget.update()
end
function cmus_widget:next_track()
spawn("cmus-remote -n")
cmus_widget.update()
end
function cmus_widget:prev_track()
spawn("cmus-remote -r")
cmus_widget.update()
end
function cmus_widget:stop()
spawn("cmus-remote -s")
cmus_widget.update()
end
cmus_widget.widget:buttons(
awful.util.table.join(
awful.button({}, 1, function() cmus_widget:play_pause() end)
)
)
watch("cmus-remote -Q", timeout, update_widget, cmus_widget.widget)
return cmus_widget.widget
end
return setmetatable(cmus_widget, { __call = function(_, ...)
return worker(...)
end })
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