I was able to reproduce this bug in a pure gtk+ application, and have reported a bug to gtk+:
https://bugzilla.gnome.org/show_bug.cgi?id=726030 ** Bug watch added: GNOME Bug Tracker #726030 https://bugzilla.gnome.org/show_bug.cgi?id=726030 ** Bug watch added: GNOME Bug Tracker #726030 https://bugzilla.gnome.org/show_bug.cgi?id=726030 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-panel in Ubuntu. https://bugs.launchpad.net/bugs/965953 Title: Indicator menus are too short and scroll when opened from screen bottom To manage notifications about this bug go to: https://bugs.launchpad.net/gtk/+bug/965953/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs