http://doc.qt.io/qt-5/qmetaenum.html#details doesn't have a single code example. The detailed description doesn't even mention that fromType() is the first function you need to call to actually get a QMetaEnum. This makes it necessary to go elsewhere (e.g. Stack Overflow) to find out how to use it.

The most common question is how to get a string from an enum value, which this question answers:

http://stackoverflow.com/a/34282031/904422

We should have a similar snippet in the detailed description (including the Q_ENUM part).