207aae5560
Functions in Qt that take a callback need to support callables with or without context objects, and member functions of an object. The implementation of those overloads follows a pattern that ultimately results in a QSlotObjectBase implementation being created and passed to an implementation helper that takes care of the logic. Factor that common pattern into a new helper template in QtPrivate that returns a suitable QSlotObjectBase after checking that the functor is compatible with the specified argument types. Use that new helper template in the implementation of QCoreApplication::requestPermission and QHostInfo::lookupHost. The only disadvantage of centralizing this logic is that we cannot print a more detailed error message indicating which argument types the caller expects. However, that information is visible from the detailed compiler errors anyway. Change-Id: I24cf0b2442217857b96ffc4d2d6c997c4fae34e0 Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io> |
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| CMakeLists.txt | ||
| tst_qpermission.cpp | ||