JFXPanel Input Problem

When I input Japanse (IME on) to the TextFIeld, which is on JFXPanel,
small window for inputting appears on top-left side of screen, and I cannot input directly..

see attachment image file.

it works, but looks crap.

thanks.



1. start the program below
2. IME on
3. input to the TextField
4. result [image|http://pc.gban.jp/?p=45667.png]

package sample;

import javafx.application.Platform;
import javafx.embed.swing.JFXPanel;
import javafx.scene.Scene;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;

import javax.swing.JFrame;
import javax.swing.WindowConstants;

public class Test {

public static void main(String[] args) {
final JFXPanel panel = new JFXPanel();
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.setContentPane(panel);
frame.setSize(100, 100);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
Platform.runLater(new Runnable() {

@Override
public void run() {
GridPane root = new GridPane();
root.addRow(0, new TextField());
Scene scene = new Scene(root);
panel.setScene(scene);
}
});
}
}