Picking Mouse Events on Bounds in JavaFX

import javafx.application.Application; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.geometry.Insets; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.control.CheckBox; import javafx.scene.control.TextArea; import javafx.scene.input.MouseEvent; import javafx.scene.layout.HBox; import javafx.scene.layout.VBox; import javafx.scene.paint.Color; import javafx.scene.shape.Circle; import javafx.scene.shape.Rectangle; import javafx.stage.Stage; public class FxInputEventExample2 extends Application { // Create the LoggingArea private TextArea loggingArea = new TextArea(""); // Create the CheckBox private CheckBox checkbox = new CheckBox("Pick on Bounds"); // Create the Circle private Circle circle = new Circle(50, 50, 50, Color.LIGHTGRAY); public static void main(String[] args) { Application.launch(args); } @Override public void start(Stage stage) { // Create the Rectangle Rectangle rectangle = new Rectangle(100, 100); rectangle.setFill(Color.RED); // Create the Group Group group = new Group(); // Add the children to the Group group.getChildren().addAll(rectangle, circle); // Create the HBox HBox hbox = new HBox(); // Set Padding and Spacing for the HBox hbox.setPadding(new Insets(20)); hbox.setSpacing(20); // Add the children to the HBox hbox.getChildren().addAll(group, checkbox); // Create the VBox VBox root = new VBox(); // Set Padding and Spacing for the VBox root.setPadding(new Insets(20)); root.setSpacing(20); // Add the children to the VBox root.getChildren().addAll(hbox, loggingArea); // Add MOUSE_CLICKED event handlers to the Circle circle.setOnMouseClicked(new EventHandler<MouseEvent>() { public void handle(MouseEvent event) { handleMouseClicked(event); } }); // Add MOUSE_CLICKED event handlers to the Rectangle rectangle.setOnMouseClicked(new EventHandler<MouseEvent>() { public void handle(MouseEvent event) { handleMouseClicked(event); } }); // Add an Action handler to the CheckBox checkbox.setOnAction(new EventHandler<ActionEvent>() { @Override public void handle(ActionEvent event) { handleActionEvent(event); } }); // Set the Padding and Border for the VBox root.setStyle("-fx-padding: 10;" + "-fx-border-style: solid inside;" + "-fx-border-width: 2;" + "-fx-border-insets: 5;" + "-fx-border-radius: 5;" + "-fx-border-color: blue;"); // Create the Scene Scene scene = new Scene(root); // Add the Scene to the Stage stage.setScene(scene); // Set the Title of the Stage stage.setTitle("A Pick on Bounds Example"); // Display the Stage stage.show(); } public void handleMouseClicked(MouseEvent e) { // Get the source and type of the Event String target = e.getTarget().getClass().getSimpleName(); String type = e.getEventType().getName(); // Log the Informations this.loggingArea.appendText(type + " on " + target + "\n"); } public void handleActionEvent(ActionEvent e) { if (checkbox.isSelected()) { circle.setPickOnBounds(true); } else { circle.setPickOnBounds(false); } } }