7d4d47de70
The connect() documentation makes it clear that UniqueConnection does not work with free functions / function objects and the like; only with actual PMFs. Rather than silently *ignoring* the flag, be vocal about its presence by warning, and make the connection fail (as the user has passed an illegal argument). [ChangeLog][QtCore][QObject] QObject::connect() now will refuse to connect a signal to a free function / function object if UniqueConnection is passed. Note that UniqueConnection has never worked for such connections -- the flag was simply ignored, and they were established multiple times. Now, the flag is not ignored and results in a connection failure (as well as a runtime warning by Qt). Change-Id: I6509667018c74f9bd24910cde0a1b16c5f84f064 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io> Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> |
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