Le 10 sept. 2009 à 08:57, 艾昌林 a écrit : > See the attachment. If you mean the graphical artifacts at the top and bottom of the drop- down menu, then that's specific to Mac OS X 10.6 (Snow Leopard). I imagine some Qt bug. Or are you using an earlier version (10.4 Tiger or 10.5 Leopard)? Bruno Voisin