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catch child compent's key events from container?

Posted on 2002-06-13
4
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Last Modified: 2010-03-31
Hi,
   I have a JPanel which contain some image JLabels.
How can I add a key listener to JPanel that catch
key events even JLabels
is in focus.

Thanks.
Sean
0
Comment
Question by:xzhang4
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4 Comments
 
LVL 19

Expert Comment

by:Jim Cakalic
ID: 7076115
According to the javadoc, JLabel cannot get the keyboard focus. Do you have some sample code that doesn't work as you had expected?

Jim
0
 

Author Comment

by:xzhang4
ID: 7076307
OK.  I am wrong.   How about JPanel contain some JButtons.
Thanks.
0
 
LVL 92

Accepted Solution

by:
objects earned 100 total points
ID: 7076781
Try getting the input map as follows:

InputMap map = panel.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);

Add add your input action to this map.
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LVL 92

Expert Comment

by:objects
ID: 7082828
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