[Bug 1581835] Re: Native Look and Feel for Swing does not work

[Tiago Stürmer Daitx]

Thank you for taking the time to report this bug and helping to make
Ubuntu better.

The GTK L&F has a few known issues and is not enabled by default. Please
see bug #183139.

You might try adding those properties to either
/etc/java-7-openjdk/swing.properties
/etc/java-8-openjdk/swing.properties, one per line without the "-D", as
in:

awt.useSystemAAFontSettings=on
swing.aatext=true
swing.defaultlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel
swing.crossplatformlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel

Be aware that the application you are trying to run might override those
settings on its own, if so that would require you to edit the
application configuration files.

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https://bugs.launchpad.net/bugs/1581835

Title:
  Native Look and Feel for Swing does not work

Status in openjdk-7 package in Ubuntu:
  New
Status in openjdk-8 package in Ubuntu:
  New

Bug description:
  Openjdk-7 and openjdk-8 do not enable native look and feel by default. But they support it. Apps use ugly blue theme, even if the code contains "UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());"
  I've tried Xubuntu 14.04, Ubuntu Mate 16.04 - apps look ugly. (for example logisim)

  To get native LAF you need to use these arguments: _JAVA_OPTIONS 
  -Dawt.useSystemAAFontSettings=on -Dswing.aatext=true -Dswing.defaultlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel -Dswing.crossplatformlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel

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