JComboBox selection actions on mouse and enter only

I am driving some processing off of selections in a JComboBox.
The ItemListener goes into action when the user mouse clicks on an item (this is good), but also when an item is arrowed through (bad).
I want to wait until the person hits enter before starting my processing.
Ideally the JComboBox popup could close before the start of my processing.
The direction I am currently headed: I notice that when the mouse clicks, and when enter is hit, the JComboBox popup closes. Since these are the 2 user events I want to respond to, this fact interests me greatly. Is there any way to see and use the event of the popup closing?
Note: I don't care so much about the direction I am thinking now as much as a solution to the overall problem.

Try to register a KeyListener to the JComboBox or to its editor (if its editable) and react to the keyReleased Event. In the corresponding listener method you have to query the key typed and react to the ENTER key being pressed. Also get away from the ItemListener as the JComboBox / ItemListene combination is not the best the guys at sun farbricated...

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**Click the KUDOS thumb up on the left to say 'Thanks'**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.

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JComboBox selection actions on mouse and enter only

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