On Wed, 11 Jun 2025 19:17:24 GMT, Andy Goryachev <ango...@openjdk.org> wrote:

>> Please refer to
>> 
>> https://github.com/andy-goryachev-oracle/Test/blob/main/doc/Text/LayoutInfo.md
>> 
>> The RichTextArea control 
>> ([JDK-8301121](https://bugs.openjdk.org/browse/JDK-8301121)), or any custom 
>> control that needs non-trivial navigation within complex or wrapped text 
>> needs a public API to get information about text layout.
>> 
>> This change fixes the missing functionality by adding a new public method to 
>> the `Text` and `TextFlow` classes.:
>> 
>> 
>>     /**
>>      * Obtains the snapshot of the current text layout information.
>>      * @return the layout information
>>      * @since 25
>>      */
>>     public final LayoutInfo getLayoutInfo()
>> 
>> 
>> The `LayoutInfo` provides a view into the text layout within 
>> `Text`/`TextFlow` nodes such as:
>> 
>> - caret information
>> - text lines: offsets and bounds
>> - overall layout bounds
>> - text selection geometry
>> - strike-through geometry
>> - underline geometry
>> 
>> 
>> 
>> 
>> ## WARNINGS
>> 
>> Presently, information obtained via certain Text/TextField methods is 
>> incorrect with non-zero padding and borders, see 
>> [JDK-8341438](https://bugs.openjdk.org/browse/JDK-8341438).
>> 
>> This PR provides correct answers in the new API, leaving the behavior of the 
>> existing methods unchanged (there is a compatibility risk associated with 
>> trying to fix [JDK-8341438](https://bugs.openjdk.org/browse/JDK-8341438) ).
>> 
>> Also, the RTL support is out of scope for this PR, due to multiple 
>> pre-existing conditions, see https://bugs.openjdk.org/browse/JDK-8343557
>> 
>> 
>> ## Testing
>> 
>> The new APIs can be visually tested using the Monkey Tester on this branch:
>> https://github.com/andy-goryachev-oracle/MonkeyTest/tree/text.layout.api
>> 
>> in the Text and TextFlow pages:
>> ![Screenshot 2024-11-04 at 11 38 
>> 21](https://github.com/user-attachments/assets/2e17e55c-f819-4742-8a42-b9af2b6bac72)
>> 
>> Two very basic headful tests have been added.
>> 
>> 
>> ## See Also
>> 
>> https://github.com/FXMisc/RichTextFX/pull/1246
>
> Andy Goryachev has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   review comments

LGTM

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

Marked as reviewed by kcr (Lead).

PR Review: https://git.openjdk.org/jfx/pull/1596#pullrequestreview-2918569516

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