On Fri, 10 Mar 2023 19:45:58 GMT, Damon Nguyen <dngu...@openjdk.org> wrote:

>> The issue is in Aqua L&F when an editable JComboBox with a border is used. 
>> In this case, when the comboBox is clicked for the drop-down menu to show, 
>> the drop-down menu appears at the wrong coordinates (blocking the text of 
>> the comboBox and making it unreadable).
>> 
>> This seems to have been the case for a while and a similar issue appeared 
>> recently where an editable Aqua JComboBox also had wrong positioning due to 
>> having a border.
>> 
>> This fix checks for a border and modifies the bounds to accommodate the 
>> border's size. Then the usual calculations for the comboBox popup works as 
>> expected.
>> 
>> The new headful test creates an editable comboBox with a TitledBorder and 
>> with no border. Then, it automatically clicks the comboBox to open the 
>> popup, and clicks where the position of the first selectionItem should be. 
>> Finally, it checks if the selected item is correct. This is for all L&F's 
>> and the test passes on all OS's.
>
> Damon Nguyen has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   Remove debug image

src/java.desktop/macosx/classes/com/apple/laf/AquaComboBoxPopup.java line 193:

> 191:             popupBoundsY += inset.top + inset.bottom;
> 192:         }
> 193: 

Did we check where the popup appears for the native components?

-------------

PR: https://git.openjdk.org/jdk/pull/12750

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