My Dream GUI Toolkit

# ... my app stuff heredef show_gui  main_window = GUI::Window.new do |window|    window.label = 'I wish this were possible'    window.button(:label => "Click me!", :callback => :click_me, :layout => :fill)  endenddef click_me  GUI::Dialog.new(:title => "Success!", :message => "Don't you just love it?")end