gistfile1.rbx

module RCalc
  require "java"
  require "rswing"
  require "frame"
  require "text_field"
  
  include RSwing::Components
  
  include_package 'javax.swing'
  include_package 'java.awt'
  
  class MainFrame < Frame
    
    BorderLayout = java::awt::BorderLayout
    
    def initialize (name, &block)
      super(name, &block)
      
        self.default_close_operation = :exit_on_close
        #frame.layout = BorderLayout.new
        
        self.pack
        self.visible = true
    end
  end
  
  MainFrame.new("rCalc") do |frame|
    TextField.new( :belongs_to => frame, :name => :textField, :layout => BorderLayout::NORTH )
  end
end