RFR: 8371067: RichTextArea: requestLayout by inline node doesn't reach VFlow [v2]

[Andy Goryachev]

On Thu, 20 Nov 2025 17:58:53 GMT, Jurgen <duke at openjdk.org> wrote:

>> The expectation is that most text cells contain `TextFlow`, with the `VFlow` managing the layout.  Once `VFlow` determines the target width, it queries the `TextFlow` for its preferred height to determine the actual size.
>> 
>> For paragraphs that contains `Regions` - either inline or as whole paragraphs - this logic needs to be augmented to propagate the `requestLayout()` flag up the hierarchy.  We don't want to do this for pure text cells, but we must do it for embedded nodes.
>> 
>> `addNode(Node)` handles the inline node case, `RichParagraph.of(Supplier<Region>)` does the "full-width" case.
>> 
>> so to answer your question - if I understand the issue - the `embedsNode` flag was added to enable telling `VFlow` that it needs to reflow because some embedded node asked for it.  Pure text cells don't need this signaling enabled.
>> 
>> Did I answer your question (satisfactorily :-) ?
>
> I think so ....
>> Pure text cells don't need this signaling enabled.
> 
> If this is what is intended, then from how I read the code that is not what is happening because `add(Node)` is called even for Text only cells. See: 
> 
> https://github.com/openjdk/jfx/blob/f87448ec156608527d77a4204e98e08052ffecd1/modules/jfx.incubator.richtext/src/main/java/com/sun/jfx/incubator/scene/control/richtext/VFlow.java#L827-L828

Thanks again @Jugen for pointing this out.  Sorry, it took a while for me to understand what's going on.

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PR Review Comment: https://git.openjdk.org/jfx/pull/1975#discussion_r2547416975