On Tue, 6 Aug 2024 23:12:44 GMT, Damon Nguyen <dngu...@openjdk.org> wrote:
> Previously in [JDK-8282772](https://bugs.openjdk.org/browse/JDK-8282772), > there was a fix for JButtons with HTML content alignment for non-MacOS L&Fs. > This fix was to make other L&Fs in line with the Aqua fix found in > [JDK-8015854](https://bugs.openjdk.org/browse/JDK-8015854). > > However, the non-MacOS L&F fix caused a regression and the details and > original discussion can be found in > [JDK-8318590](https://bugs.openjdk.org/browse/JDK-8318590). This non-MacOS > L&F fix was backed out and the current behavior for JButtons with HTML > content for these L&Fs was deemed to be correct as is. > > Through discussion, a note about Metal's different margin values should be > added somewhere for future reference. Metal's horizontal margins are 14 where > other L&Fs are zero or some small value. This discrepancy is what caused the > original issue to be filed. This change is to add a comment to > `MetalLookAndFeel.java` since there is no exact spot where these values are > set for the margin. It's been added where other Metal components (CheckBox, > RadioButton, etc.) have comments on margins as well. > > Here are some L&F values for reference/comparison: > > Metal's margins: [top=2,left=14,bottom=2,right=14] > Aqua's margins: [top=0,left=2,bottom=0,right=2] > Motif's margins: [top=2,left=4,bottom=2,right=4] > Nimbus's margins: [top=0,left=0,bottom=0,right=0] I found the values to be set in `BasicLookAndFeel.java` which explains why other custom L&F's are also affected. Moving the doc to there and changing this back to a public doc change can be done instead. Otherwise, I can leave it as a comment note where the value is set. ------------- PR Comment: https://git.openjdk.org/jdk/pull/20482#issuecomment-2278835514
