RFR: 8335547: Support multi-line prompt text for TextArea [v4]

[Kevin Rushforth]

On Mon, 7 Apr 2025 15:14:52 GMT, Ziad El Midaoui <zelmidaoui at openjdk.org> wrote:

>> One thing I am curious about: I don't see a similar stripping of newlines in the text itself for TextField, and yet it does render the whole string as if the newline had been stripped. Do you know why we need to strip it from promptTextProperty explicitly and not from textProperty?
>
> @kevinrushforth 
> This is due to `TextFieldContent::insert` we have a filterInput and the second parameter to strip newlines is set to true in the textField class.
> `filterInput(String txt, boolean stripNewlines, boolean stripTabs)`
> For `TextAreaContent::insert` the parameter is set to false to allow newlines.

Thanks for the explanation. I have no further comments or questions, so feel free to integrate when ready.

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PR Review Comment: https://git.openjdk.org/jfx/pull/1716#discussion_r2038207513