Key listener not trigger auto-reduction.
should create a InputMethodListener and replace a part of key listener.
Non-English environment(key input)
While doing Bug Triage and Review I found that this issue is still marked as open.
From your description and from your code changes I can not see what really the problem is that is to be solved here. It may be this patch is already applied in a similar way (but not marked as such) or that the issue is solved in a totally other way. I can not find any problems with the actual Swing CComboBox. Can you please tell me if this is still an issue or describe better what the issue was so I can review it better?
Issue is not reproducible. May be resolved in the last months through other changes. CAn be reopened if it shows up again or will be explained better.