On Wed, 11 Mar 2026 01:00:33 GMT, Ziad El Midaoui <[email protected]> 
wrote:

>> The bug occurs when `showRoot` is set to false on a root with no children, 
>> the expanded item count drops is 0 causing `isFocused(0)` to return false 
>> even though `focusedIndex` is still 0. When items are added afterwards the 
>> `treeItemListener` sees `focusedIndex=0` and incorrectly shifts it to 1 
>> placing the focus on second item of the TreeView.
>> The fix replaces `isFocused(0)` with `getFocusedIndex() >= 0`, which reads 
>> the raw stored index.
>
> Ziad El Midaoui has updated the pull request incrementally with one 
> additional commit since the last revision:
> 
>   minor changes

same results on macOS 26.3 M1

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PR Comment: https://git.openjdk.org/jfx/pull/2095#issuecomment-4039612506

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