Test disabling a JMenu in Swing

testdisablejmenu.kt

package com.mcs.testdisablejmenu

import javax.swing.JFrame
import javax.swing.JMenuBar
import javax.swing.JMenu
import javax.swing.JMenuItem

fun main(args: Array<String>) {
	val menuBar = JMenuBar()
	val menu = JMenu("Disable me")
	menu.add(JMenuItem("Hello world"))
	menuBar.add(menu)
	
	//This call seems to have no effect on the enabled state of its contained components
	//menuBar.setEnabled(false)

	//This call leads to the JMenu ending up disabled (grayed out & unusable)
	menu.setEnabled(false)
	
	val frame = JFrame("Test disable JMenu")
	frame.setJMenuBar(menuBar)
	frame.pack()
	frame.setLocation(300, 300)
	frame.setVisible(true)
}