package examples.swing import scala.swing._ import scala.swing.event._ object CountButton extends SimpleSwingApplication { def top = new MainFrame { title = "My Frame" contents = new GridPanel(2, 2) { hGap = 3 vGap = 3 val button = new Button { text = "Press Me!" } contents += button val label = new Label { text = "No button clicks registered" } contents += label listenTo(button) var nclicks = 0 reactions += { case ButtonClicked(b) => nclicks += 1 label.text = "Number of button clicks: "+nclicks } } } }