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Diffstat (limited to 'src/testlib/qsignalspy.qdoc')
| -rw-r--r-- | src/testlib/qsignalspy.qdoc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/testlib/qsignalspy.qdoc b/src/testlib/qsignalspy.qdoc index 9559090e8f..31cdeaba6a 100644 --- a/src/testlib/qsignalspy.qdoc +++ b/src/testlib/qsignalspy.qdoc @@ -72,6 +72,20 @@ \snippet code/doc_src_qsignalspy.cpp 4 */ +/*! \fn QSignalSpy::QSignalSpy(const QObject *object, PointerToMemberFunction signal) + \since 5.4 + + Constructs a new QSignalSpy that listens for emissions of the \a signal + from the QObject \a object. If QSignalSpy is not able to listen for a + valid signal (for example, because \a object is null or \a signal does + not denote a valid signal of \a object), an explanatory warning message + will be output using qWarning() and subsequent calls to \c isValid() will + return false. + + Example: + \snippet code/doc_src_qsignalspy.cpp 6 +*/ + /*! \fn QSignalSpy::isValid() const Returns \c true if the signal spy listens to a valid signal, otherwise false. |