As explained in eclipse bug 291257 adding setting GDK_NATIVE_WINDOWS environment variable to "1" ("export GDK_NATIVE_WINDOWS=true") before running eclipse solves the problem.
https://bugs.eclipse.org/bugs/show_bug.cgi?id=291257 ** Bug watch added: Eclipse bugs #291257 https://bugs.eclipse.org/bugs/show_bug.cgi?id=291257 -- Buttons in Eclipse not working correctly with GTK+ 2.18.1-1 https://bugs.launchpad.net/bugs/442078 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gtk+2.0 in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs