gui.scala

import javafx.application.Application
import javafx.event.EventHandler
import javafx.scene.input.MouseEvent
import javafx.stage.Stage
import javafx.scene.{Scene, Group}
import javafx.scene.control.Button

import scalaz.concurrent.Future

class GUI extends Application {

  def start(stage: Stage) = {
    val button = new Button("Click Me")
    val point = Future.async[(Double, Double)] { listen =>
      button.setOnMouseClicked(new EventHandler[MouseEvent] {
        def handle(event: MouseEvent) = listen((event.getScreenX, event.getScreenY))
      })
    }
    point.runAsync(println)
    val scene = new Scene(new Group(button))
    stage.setScene(scene)
    stage.sizeToScene()
    stage.show()
  }

}

object GUI extends App {

  Application.launch(classOf[GUI])

}