title: Embedded JEditorPane in a SWT Shell
body: <p>I am trying to embed a JEditorPane in a SWT Shell without success. The JEditorPane does not appear and I don't understand why.</p>
  
  <pre><code>import java.awt.Color;
  import java.io.FileInputStream;
  import java.io.FileNotFoundException;
  import java.io.IOException;
  
  import javax.swing.JEditorPane;
  import javax.swing.JScrollPane;
  import javax.swing.text.BadLocationException;
  import javax.swing.text.rtf.RTFEditorKit;
  
  import org.eclipse.swt.SWT;
  import org.eclipse.swt.awt.SWT_AWT;
  import org.eclipse.swt.widgets.Composite;
  import org.eclipse.swt.widgets.Display;
  import org.eclipse.swt.widgets.Menu;
  import org.eclipse.swt.widgets.MenuItem;
  import org.eclipse.swt.widgets.Shell;
  
  public class EmbeddedRtf {
  
     public static void main(String args[]) {
        final Display display = new Display();
        final Shell shell = new Shell(display);
        shell.setText("Rtf editor");
  
    Menu mb = new Menu(shell, SWT.BAR);
    MenuItem fileItem = new MenuItem(mb, SWT.CASCADE);
    fileItem.setText("&amp;File");
    Menu fileMenu = new Menu(shell, SWT.DROP_DOWN);
    fileItem.setMenu(fileMenu);
    MenuItem exitItem = new MenuItem(fileMenu, SWT.PUSH);
    exitItem.setText("&amp;Exit\tCtrl+X");
    exitItem.setAccelerator(SWT.CONTROL + 'X');
    MenuItem aboutItem = new MenuItem(fileMenu, SWT.PUSH);
    aboutItem.setText("&amp;About\tCtrl+A");
    aboutItem.setAccelerator(SWT.CONTROL + 'A');
    shell.setMenuBar(mb);
  
    Composite rtfComposite = new Composite(shell, SWT.EMBEDDED);
  
    java.awt.Frame frame = SWT_AWT.new_Frame(rtfComposite);
    java.awt.Panel panel = new java.awt.Panel(new java.awt.FlowLayout());
    frame.add(panel);
  
    // Create an RTF editor window
    RTFEditorKit rtf = new RTFEditorKit();
    JEditorPane editor = new JEditorPane();
    editor.setEditorKit(rtf);
    editor.setBackground(Color.white);
  
    // This text could be big so add a scroll pane
    JScrollPane scroller = new JScrollPane();
    scroller.getViewport().add(editor);
    panel.add(scroller);
  
    // Load an RTF file into the editor
    try {
       FileInputStream fi = new FileInputStream("test.rtf");
       rtf.read(fi, editor.getDocument(), 0);
    } catch (FileNotFoundException e) {
       System.out.println("File not found");
    } catch (IOException e) {
       System.out.println("I/O error");
    } catch (BadLocationException e) {
    }
  
    shell.open();
    while (!shell.isDisposed()) {
       if (!display.readAndDispatch())
          display.sleep();
    }
    display.dispose();
     }
  }
  </code></pre>
  
  <p>I made also a small program using only swing components and the JEditorPane appears, but when I embed it in a shell, it does not appear.
  Thank you.</p>