On the very first mouse press on a JComboBox with a heavyweight popup, the JComboBox does nothing except grab focus. After the first press, all JComboBoxes with heavyweight popups seem to work fine. To reproduce, launch the attached test case, ListTestCB.java.

When the test launches, click on one of the JComboBoxes - notice that they grab focus, but do not show the popup. After the first click, all works fine.
###@###.### 2005-05-27 15:11:30 GMT