FYI, the code to do horizontal scroll in Aqua is in <http://hg.openjdk.java.net/jdk9/client/jdk/file/tip/src/macosx/classes/com/apple/laf/AquaScrollPaneUI.java>. The whole point of this class is to do the "grody hack". ;-)
Cheers, Mike Swingler Apple Inc. On Jul 26, 2014, at 4:54 AM, Robert Krüger <krue...@lesspain.de> wrote: > OK, I have done that. Btw, are there any concrete plans to migrate > that to Jira as well? > > Thanks, > > Robert > > On Fri, Jul 25, 2014 at 4:23 PM, Alexander Scherbatiy > <alexandr.scherba...@oracle.com> wrote: >> >> Please, file the bug report in http://bugreport.java.com/bugreport >> >> Thanks, >> Alexandr. >> >> >> On 7/25/2014 10:34 AM, Robert Krüger wrote: >>> >>> Hi, >>> >>> horizontal scrolling in a JScrollPane does not work with a touchpad >>> with Metal and Nimbus Look & Feel when both scrollbars are visible. >>> It does work with Aqua. >>> >>> This little example demonstrates the problem: >>> >>> import javax.swing.*; >>> >>> public class TestTreeScrolling { >>> public static void main(String[] args) throws Exception { >>> for (UIManager.LookAndFeelInfo info : >>> UIManager.getInstalledLookAndFeels()) { >>> if (info.getName().startsWith("Nimbus")) { >>> UIManager.setLookAndFeel(info.getClassName()); >>> break; >>> } >>> } >>> final JFrame frame = new >>> JFrame(TestTreeScrolling.class.getSimpleName()); >>> frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); >>> >>> final JScrollPane scrollPane = new JScrollPane(new JTree()); >>> >>> scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); >>> >>> scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED); >>> frame.getContentPane().add(scrollPane); >>> frame.pack(); >>> frame.setVisible(true); >>> } >>> } >>> >>> Expand the tree a bit and resize the window so that both scrollbars >>> are visible. Making a horizontal scroll gesture on the touchpad >>> results in vertical scrolling. >>> >>> Tested systematically with JDKs 6_51 and 8_11 but observed with all >>> production releases of 8 before as well. >>> >>> Is this a known bug? >>> >>> Is there a known workaround (hacking the Look & Feel is also an option >>> because we override it in our application anyway)? There must be as >>> IntelliJ Idea does not have this problem and they are not using Aqua >>> but I have failed to find it in their code. >>> >>> Does it make sense to file a bug report and if so where? >>> >>> Best, >>> >>> Robert >> >> > > > > -- > Robert Krüger > Managing Partner > Lesspain GmbH & Co. KG > > www.lesspain-software.com
