On Tue, 8 Aug 2023 08:44:25 GMT, Sergei Tachenov <[email protected]> wrote:
> Hello! > > I'm a member of the UI team in JetBrains IntelliJ department, and we have > this bug with popup menus being shown on the wrong monitor in multi-monitor > environments: > > https://youtrack.jetbrains.com/issue/JBR-5824/Dual-monitor-bug-on-the-context-menu > > I managed to track it down to this JDK bug: > > https://bugs.openjdk.org/browse/JDK-6415065 > > I've described the cause and the fix in the commit message, but in short, > what happens here is that `JMenu.getPopupMenuOrigin` sometimes returns > coordinates outside (usually above) of the current screen, and later > `JPopupMenu.adjustPopupLocationToFitScreen` uses those coordinates to fit the > entire popup menu into the screen, which goes wrong because at that point > it's no longer known which screen the menu was initially invoked on. > > I've fixed this by making sure the Y coordinate is still within the correct > screen when it's returned from `JMenu.getPopupMenuOrigin`. This pull request has now been integrated. Changeset: 23ed890f Author: Sergei Tachenov <[email protected]> Committer: Alexey Ushakov <[email protected]> URL: https://git.openjdk.org/jdk/commit/23ed890f3ff25296fb8dbb59532b9079e0326db9 Stats: 17 lines in 1 file changed: 17 ins; 0 del; 0 mod 6415065: Submenu is shown on wrong screen in multiple monitor environment Reviewed-by: prr ------------- PR: https://git.openjdk.org/jdk/pull/15185
