RFR: 8078471: The BACKSPACE key doesn't work with the special options"-client -Dswing.defaultlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel" [v4]

[Prasanta Sadhukhan]

On Sun, 27 Nov 2022 16:25:15 GMT, Abhishek Kumar <abhiscxk at openjdk.org> wrote:

>> The Backspace key doesn't lead to parent directory of current directory for JFileChooser in GTK LAF. 
>> Added the lazy input value in `GTKLookandFeel` and fix is working fine.
>> 
>> Implemented a manual test to check BackSpace behavior for all installed LAF in Linux platform.
>> The test mentioned in [JDK-8078471](https://bugs.openjdk.org/browse/JDK-8078471) `javax/swing/JFileChooser/4150029/bug4150029.html` also working fine with GTK option (-client -Dswing.defaultlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel).
>
> Abhishek Kumar has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Whitespace error fix

Marked as reviewed by psadhukhan (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/11291