diff options
Diffstat (limited to 'src/corelib/kernel/qobject.cpp')
| -rw-r--r-- | src/corelib/kernel/qobject.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp index 0a504657a3..38e55b7aa9 100644 --- a/src/corelib/kernel/qobject.cpp +++ b/src/corelib/kernel/qobject.cpp @@ -513,7 +513,7 @@ void QMetaCallEvent::placeMetaCall(QObject *object) \code const bool wasBlocked = someQObject->blockSignals(true); // no signals here - someQObject->blockSignals(false); + someQObject->blockSignals(wasBlocked); \endcode except the code using QSignalBlocker is safe in the face of @@ -4436,6 +4436,8 @@ void qDeleteInEventHandler(QObject *o) \snippet code/src_corelib_kernel_qobject.cpp 46 The connection will automatically disconnect if the sender is destroyed. + However, you should take care that any objects used within the functor + are still alive when the signal is emitted. \note If the compiler does not support C++11 variadic templates, the number of arguments in the signal or slot are limited to 6, and the functor object @@ -4473,6 +4475,8 @@ void qDeleteInEventHandler(QObject *o) The connection will automatically disconnect if the sender or the context is destroyed. + However, you should take care that any objects used within the functor + are still alive when the signal is emitted. \note If the compiler does not support C++11 variadic templates, the number of arguments in the signal or slot are limited to 6, and the functor object |