RFR: JDK-8282772: JButton text set as HTML content has unwanted padding [v4]

[Prasanta Sadhukhan]

On Tue, 10 May 2022 19:03:23 GMT, DamonGuy <duke at openjdk.java.net> wrote:

>> The insets for buttons were incorrect for L&Fs except for Aqua when the text is set to HTML. This was fixed in Aqua by adding a conditional to check for the BasicHTML property key in the button component. This same logic can be used to fix Metal & Motif L&Fs in BasicButtonUI, but Nimbus is not fixed by this. Nimbus gets its default values from a skin.laf file, and when the defaults here are set to have left & right insets to 0 for ButtonUI, the issue is fixed. I also tested for non-HTML text after the changes, and the changes do not affect normal text.
>> 
>> The HtmlButtonImageTest has been changed to cycle through all L&Fs available on a device.
>
> DamonGuy has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Added string buffer. Separated fail images. Changed exception to throw at the end of test.

Marked as reviewed by psadhukhan (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/8407