Add button with specifics features in toolbar .

Question

Hi Everybody,
I would like to add a button on toolbar with the same features than
the "HTML" and "Plain text" buttons. These buttons don't have
descriptive text when the window is large enough to see them. When the
window is to small to see same buttons, the button ">>" has to be clicked
and only then may we see the descriptive text.
When the window is in full display, the buttons display descriptive text
and make mandatory to widen the window in an exagerate way. Would it be
possible to display the descriptive text ONLY when the button ">>" is
clicked?
Best Regards,
Pierre

Answer 1

Trying second solution:Getting image in menu bar but mouse click is not working on that menu
Code changed:
//created constructor
OptionCompo()
          try
               img = javax.imageio.ImageIO.read(new java.net.URL(getClass().getResource("zoom.gif"), "zoom.gif"));
          catch(Exception e){}
//changed code of paintComponent()
protected void paintComponent(Graphics g)
          Graphics2D g2 = (Graphics2D)g;
     g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
     RenderingHints.VALUE_ANTIALIAS_ON);
     int h = getHeight();
     Font font = UIManager.getFont("Menu.font");
     g2.setFont(font);
     FontRenderContext frc = g2.getFontRenderContext();
     //Rectangle2D r = font.getStringBounds(text, frc);
     float sx = 5f;
     //float sy = (float)((h + r.getHeight())/2) -
     // font.getLineMetrics(text, frc).getDescent();
     //g2.drawString(text, sx, sy);
     if(img != null) g.drawImage(img,0,0,this);
     double x = sx +/* r.getWidth() +*/ sx; 
//in main
OptionCompo test = new OptionCompo();
What I need to do?