RFR: JDK-8015739: Background of JInternalFrame is located out of JInternalFrame [v2]

[Alexey Ivanov]

On Tue, 27 Sep 2022 21:28:23 GMT, Harshitha Onkar <honkar at openjdk.org> wrote:

>> src/java.desktop/share/classes/javax/swing/plaf/metal/MetalBorders.java line 277:
>> 
>>> 275:             }
>>> 276: 
>>> 277:             Graphics2D g2d = (Graphics2D) g;
>> 
>> Regardless, i see that absolutely similar code down this file for FrameBorder and DialogBorder. Are these UI elements suffer from the same issue or is it only limited to InternalFrame? If they do suffer from the same issue i would suggest either fixing it all together or at least submitting new bugs tracking existence of the problem. Of course problem might not be present for some reason in these components but it is worth checking it out while you are working on the code and remember all the details.
>
> @azuev-java Tested FrameBorder and DialogBorder, they have a similar problem to JInternalFrameBorder (border scaling issue). I have created a new JBS issue - **[JDK-8294484](https://bugs.openjdk.org/browse/JDK-8294484)** to track Frame and Dialog Borders of Metal LAF as there is a plan to create a common utility method and refactor the common steps.

Thank you, @honkar-jdk. Once the border handling is unified, fixing `FrameBorder` and `DialogBorder` will be easier and code duplication will be avoided.

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PR: https://git.openjdk.org/jdk/pull/10274