RFR: 8340344: The first item in TreeView is not aligned in the beginning [v5]

[Ziad El Midaoui]

On Tue, 20 May 2025 17:53:54 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

>> Yes, the cells after disclosure node use the new `defaultDisclosureWidth`. But their layout happens twice using the new `defaultDisclosureWidth`.
>> 
>> **First time**: The loop `for (IndexedCell cell : flow.cells) {` initiates the layout of all the cells, including the cells that are after the disclosure node.
>> 
>> **Second time**: and layout of those after cells happens again as part of ongoing layout of `TreeView` from this method `Parent.layout()`
>
> as long as both layouts happens within the same pulse, we should be ok.
> I did not see any flicker with the last change.

Yes,
I did limit the re-layout in my fix to happen only for the cells before the disclosure node cell.

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PR Review Comment: https://git.openjdk.org/jfx/pull/1715#discussion_r2098719206