Do the mnemonics work? And the key presses? This is my Exception. The joys
of writing once and testing everywhere... I'm running on WINNT v4.0 build
1381-service pack 4, JVM 1.3.0-C.
Exception occurred during event dispatching:
java.lang.NullPointerException: null pData
at sun.awt.windows.WInputMethod.handleNativeIMEEvent(Native Method)
at sun.awt.windows.WInputMethod.dispatchEvent(WInputMethod.java:275)
at sun.awt.im.InputContext.dispatchEvent(InputContext.java:202)
at
sun.awt.im.InputMethodContext.dispatchEvent(InputMethodContext.java:1
77)
at java.awt.Component.dispatchEventImpl(Component.java:2529)
at java.awt.Container.dispatchEventImpl(Container.java:1213)
at java.awt.Component.dispatchEvent(Component.java:2499)
at
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:2451
)
at
java.awt.LightweightDispatcher.trackMouseEnterExit(Container.java:231
8)
at
java.awt.LightweightDispatcher.processMouseEvent(Container.java:2189)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2125)
at java.awt.Container.dispatchEventImpl(Container.java:1200)
at java.awt.Window.dispatchEventImpl(Window.java:912)
at java.awt.Component.dispatchEvent(Component.java:2499)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:319)
at
java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:10
3)
at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:84)
-----Original Message-----
From: Colin Vipurs [mailto:[EMAIL PROTECTED]]
Sent: 23 February 2001 09:11
To: Neil Thorne
Cc: '[EMAIL PROTECTED]'
Subject: Re: Problems with JPopupMenu
What Exception is getting thrown? This works fine for me on a Mandrake 7
Linux box running Java 1.3
> Hi there. I'm trying to get this simple test program working, which pops
up
> a menu, when you press the windows key (if you don't have the windows key,
> then change the keyReleased check to a different keycode say, VK_A) in the
> textfield. The problem is I get an Exception thrown, and key navigation
does
> not work at all. Is this just buggy swing? Any workarounds?
> thanks very much for your help.
>
> /*
> * ToyFrame.java
> *
> * Created on 22 February 2001, 23:07
> */
>
> package test.core.components.gui.document;
>
> import java.awt.*;
> import javax.swing.*;
>
> /**
> *
> * @author Administrator
> * @version
> */
> public class ToyFrame extends javax.swing.JFrame {
>
> /** Creates new form ToyFrame */
> public ToyFrame() {
> initComponents ();
> pack ();
> }
>
> /** This method is called from within the constructor to
> * initialize the form.
> * WARNING: Do NOT modify this code. The content of this method is
> * always regenerated by the FormEditor.
> */
> private void initComponents ()
> {
> jPopupMenu1 = new javax.swing.JPopupMenu ();
> jMenuItem1 = new javax.swing.JMenuItem ();
> jMenuItem2 = new javax.swing.JMenuItem ();
> jMenuBar1 = new javax.swing.JMenuBar ();
> jMenu1 = new javax.swing.JMenu ();
> jMenuItem3 = new javax.swing.JMenuItem ();
> jMenuItem4 = new javax.swing.JMenuItem ();
> jMenu2 = new javax.swing.JMenu ();
> jMenuItem5 = new javax.swing.JMenuItem ();
> jTextField1 = new javax.swing.JTextField ();
>
> jMenuItem1.setMnemonic ('1');
> jMenuItem1.setText ("Item 1");
>
> jPopupMenu1.add (jMenuItem1);
> jMenuItem2.setMnemonic ('2');
> jMenuItem2.setText ("Item 2");
>
> jPopupMenu1.add (jMenuItem2);
>
> jMenu1.setMnemonic ('F');
> jMenu1.setText ("File");
>
> jMenuItem3.setMnemonic ('O');
> jMenuItem3.setText ("Open");
>
> jMenu1.add (jMenuItem3);
> jMenuItem4.setMnemonic ('C');
> jMenuItem4.setText ("Close");
>
> jMenu1.add (jMenuItem4);
> jMenuBar1.add (jMenu1);
> jMenu2.setMnemonic ('E');
> jMenu2.setText ("Edit");
>
> jMenuItem5.setMnemonic ('C');
> jMenuItem5.setText ("Cut");
>
> jMenu2.add (jMenuItem5);
> jMenuBar1.add (jMenu2);
> addWindowListener (new java.awt.event.WindowAdapter ()
> {
> public void windowClosing (java.awt.event.WindowEvent evt)
> {
> exitForm (evt);
> }
> }
> );
>
> jTextField1.setText ("jTextField1");
> jTextField1.addKeyListener (new java.awt.event.KeyAdapter ()
> {
> public void keyReleased (java.awt.event.KeyEvent evt)
> {
> jTextField1KeyReleased (evt);
> }
> }
> );
>
>
> getContentPane ().add (jTextField1, java.awt.BorderLayout.CENTER);
>
> setJMenuBar (jMenuBar1);
>
> }
>
> private void jTextField1KeyReleased (java.awt.event.KeyEvent evt) {
> if ( evt.getKeyCode() == 0 )
> {
> Component comp = (Component)evt.getSource();
> jPopupMenu1.show(comp, comp.getX() + comp.getHeight() / 2,
comp.getY()
> + comp.getHeight() / 2);
> jPopupMenu1.setRequestFocusEnabled(true);
> jPopupMenu1.requestFocus();
>
> }
> }
>
> /** Exit the Application */
> private void exitForm(java.awt.event.WindowEvent evt) {
> System.exit (0);
> }
>
> /**
> * @param args the command line arguments
> */
> public static void main (String args[]) {
> new ToyFrame ().show ();
> }
>
>
> // Variables declaration - do not modify
> private javax.swing.JPopupMenu jPopupMenu1;
> private javax.swing.JMenuItem jMenuItem1;
> private javax.swing.JMenuItem jMenuItem2;
> private javax.swing.JMenuBar jMenuBar1;
> private javax.swing.JMenu jMenu1;
> private javax.swing.JMenuItem jMenuItem3;
> private javax.swing.JMenuItem jMenuItem4;
> private javax.swing.JMenu jMenu2;
> private javax.swing.JMenuItem jMenuItem5;
> private javax.swing.JTextField jTextField1;
> // End of variables declaration
>
> }
>
>
>
>
> Neil Thorne
> Java Developer
> Kinetech Europe
> 0207 200 7856
>
>
>
>
> **********************************************************************
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>
----
Colin Vipurs
R&D, 'PA' Listings, Howden
(01430) 455 582
'Do you wanna go faster baby?'
**********************************************************************
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[EMAIL PROTECTED]
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