QMenuBar and QMenu doesn't show in Mac OS X
问题 I'm using Qt 4.7.4 on Mac OS X 10.7.4 , and I'm trying to add a QMenuBar and a QMenu to my application without success. When looking for examples, I found the Basic Layouts and the screenshot of the interface on Windows displays the File menu, which is what I'm trying to do: However , running this example on Mac OS X doesn't show the File menu inside the application window: and it also doesn't show in the top Mac OS X bar: It seems that this is either a bug of Qt 4.7.4 on Mac OS X, or we are