Focus issue: why Tab and cursor are not in sync?

Hi, All:
I have a MyTextArea which is a subclass of JTextArea. In processComponentKeyEvent, transferFocus() is called on Tab key. The panel has some MyTextArea's and other GUI components. Here is the problem that is bothering me now:
The cursor does not move with tab, but if you begin to type, it's the next field which accepts the input. For example, the cursor blinks at field 1 (a MyTextArea) when the application is brought up, the tab key is pressed, the cursor is still blinking at field 1, but if I type, field 2 displays the content.
Not only the tap does not move the cursor, neither a mouse click will do.
But if I switch applications, i.e., activate another program and then come back to my application, the cursor then can be moved by tabbing or mouse clicking!
If anyone has any thoughts on this issue, please let me know.
Many thanks in advance!
--Joshua

Hey alon abraham,
I found an article that specifically mentions audio being out of sync with the image on-screen for Windows 7 computers. There are a few troubleshooting steps that don't look like they apply to your situation, but I'd read through the whole article because many of them are applicable:
Troubleshooting iTunes for Windows Vista or Windows 7 video playback performance issues
http://support.apple.com/kb/ts1718
Have a good one,
David

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