Popups throwing a NullPointerException

Question

I know that I will get jives because I am using awt, and I bet this problem is about Swing being more developed than awt, but anyway:
I am trying to get a popup to appear when I click on a label. (right-click because I am using Windows). I am using the following code. When I right-click on the labl I get a NullPointerException, because the popup doesn't have a parent. From what I understood, a parent I the Menu from which the popup should appear, but I don't want it that way; I want it to popup from "anywhere" (well, actually, the label).
May I note that I downloaded the source code from Sun's tutorials and they worked, I added a simple command to check for the popup's parent and discovered it is null, but that was in Swing.
Can you please advise? Many thanks.
here's the code:
import java.awt.*;
import java.awt.event.*;
public class MyFrame extends Frame implements ActionListener
     //properties
     private Label lbl;
     private MenuItem miClick;
     private PopupMenu pum;
     //constructor
     public MyFrame()
          setSize(200, 200);
          lbl = new Label("before menu item");
          lbl.addMouseListener(new MyMouseEvent(pum));
          add(lbl);
          pum = new PopupMenu();
          miClick = new MenuItem("Click me");
          miClick.addActionListener(this);
          pum.add(miClick);
          setVisible(true);
     //methods
     public void actionPerformed(ActionEvent ae)
          lbl.setText("After Click");
     //nested class
     public class MyMouseEvent extends MouseAdapter
          //properties
          PopupMenu pum;
          //constructor
          public MyMouseEvent(PopupMenu pop)
               pum = pop;
          //methods
          public void mousePressed(MouseEvent me)
               doPopup(me);
          public void mouseReleased(MouseEvent me)
               doPopup(me);
          public void doPopup(MouseEvent me)
               if(me.isPopupTrigger())
                    pum.show(me.getComponent(), me.getX(), me.getY());
}Run it from any where like this:
MyFrame f = new MyFrame();Right-click on the label named click me, and a NullPointerException should be throw.
Thanks

Answer 1

Oh my gosh, I am sooo sorry about that.
I amended the code, and the constructor now read:
public MyFrame()
     setSize(200, 200);
     lbl = new Label("before menu item");
     pum = new PopupMenu();
     miClick = new MenuItem("Click me");
     miClick.addActionListener(this);
     pum.add(miClick);
     lbl.addMouseListener(new MyMouseEvent(pum));
     add(lbl);
     setVisible(true);
}Unfortunately, it's still throwing the same exception: NullPointerException: parent is null
DarrylBurke wrote:
And MyMouseEvent is a terrible name for a class that is in fact a MouseListener and not in any way a MouseEvent.
dbI know, but I wrote that in 2 minutes, and didn't really take notice of naming. =D It's just a SSCCE.
Thanks for the time,
Two-eyes %
PS: the TraceStack shows that the exception is being thrown here:
public void doPopup(MouseEvent me)
     if(me.isPopupTrigger())
          pum.show(me.getComponent(), me.getX(), me.getY()); //<--here
}Edited by: two-eyes on Jan 11, 2010 7:09 AM