http://bugs.winehq.org/show_bug.cgi?id=6404
--- Comment #6 from Anthon Pang anthon.pang@gmail.com 2008-06-04 12:32:59 --- Appears to be fixed in 1.0-rc3. Moreover, it's *better* than IE running native on XP for the same web site -- tooltips could completely obscure the input box.
Also, tooltips no longer steal focus (bug 2891).