self << (@edit_source_button=GuiButton.new.set(:scale_x => 0.15, :scale_y => 0.07, :offset_x => 0.4, :offset_y => -0.5 + 0.035, :background_image => $engine.load_image('images/buttons/close.png'), :background_image_hover => $engine.load_image('images/buttons/close-hover.png')))