import javafx.application.Platform; 
import javafx.embed.swing.JFXPanel; 
import javafx.scene.Scene; 
import javafx.scene.control.Button; 
import javafx.scene.control.ComboBox; 
import javafx.scene.control.Tooltip; 
import javafx.scene.layout.HBox; 
import javax.swing.*; 
import javax.swing.SwingUtilities; 
import java.awt.event.*;
import java.awt.*;

/** 
 *  * 
 *   * @author diego.cirujano-cuesta 
 *    */ 
public class test extends JFrame { 

    private static void initAndShowGUI() { 
        JFrame frame = new JFrame("FX"); 
        frame.setSize(300, 200);
        final JFXPanel fxPanel = new JFXPanel(); 
        frame.add(fxPanel); 
        JButton jb = new JButton("Swing button");
        jb.addMouseMotionListener(new MouseMotionAdapter() {
            public void mouseMoved(MouseEvent e) {
                //System.err.println("JButton: x=" + e.getX() + "   y=" + e.getY() + "   scrX=" + e.getXOnScreen() + "   scrY=" + e.getYOnScreen());
            }
        });
        jb.setToolTipText("JButton");
        frame.add(jb, BorderLayout.NORTH);
        frame.setVisible(true); 

        Platform.runLater(() -> { 
            Button btn = new Button("Hola mundo"); 
            btn.setTooltip(new Tooltip("hola mundo")); 

            ComboBox box = new ComboBox(); 

            HBox root = new HBox(btn, box); 
            Scene scene = new Scene(root); 
            fxPanel.setScene(scene); 
        }); 
    } 

    public static void main(String[] args) { 
        SwingUtilities.invokeLater(() -> { 
            initAndShowGUI(); 
        }); 
    } 

}