Updated

.config/mpv/scripts/uosc/elements/ManagedButton.lua

@@ -0,0 +1,29 @@
+local Button = require('elements/Button')
+
+---@alias ManagedButtonProps {name: string; anchor_id?: string; render_order?: number}
+
+---@class ManagedButton : Button
+local ManagedButton = class(Button)
+
+---@param id string
+---@param props ManagedButtonProps
+function ManagedButton:new(id, props) return Class.new(self, id, props) --[[@as ManagedButton]] end
+---@param id string
+---@param props ManagedButtonProps
+function ManagedButton:init(id, props)
+	---@type string | table | nil
+	self.command = nil
+
+	Button.init(self, id, table_assign({}, props, {on_click = function() execute_command(self.command) end}))
+
+	self:register_disposer(buttons:subscribe(props.name, function(data) self:update(data) end))
+end
+
+function ManagedButton:update(data)
+	for _, prop in ipairs({'icon', 'active', 'badge', 'command', 'tooltip'}) do
+		self[prop] = data[prop]
+	end
+	self.is_clickable = self.command ~= nil
+end
+
+return ManagedButton