diff options
Diffstat (limited to 'src/corelib/kernel/qobject.cpp')
| -rw-r--r-- | src/corelib/kernel/qobject.cpp | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp index dea8c200ef..e3e536d7e1 100644 --- a/src/corelib/kernel/qobject.cpp +++ b/src/corelib/kernel/qobject.cpp @@ -3713,8 +3713,6 @@ void QMetaObject::activate(QObject *sender, int signalOffset, int local_signal_i if (receiverInSameThread) { sw.switchSender(receiver, sender, signal_index); } - const QObjectPrivate::StaticMetaCallFunction callFunction = c->callFunction; - const int method_relative = c->method_relative; if (c->isSlotObject) { c->slotObj->ref(); QScopedPointer<QtPrivate::QSlotObjectBase, QSlotObjectBaseDeleter> obj(c->slotObj); @@ -3727,10 +3725,12 @@ void QMetaObject::activate(QObject *sender, int signalOffset, int local_signal_i obj.reset(); locker.relock(); - } else if (callFunction && c->method_offset <= receiver->metaObject()->methodOffset()) { + } else if (c->callFunction && c->method_offset <= receiver->metaObject()->methodOffset()) { //we compare the vtable to make sure we are not in the destructor of the object. - locker.unlock(); const int methodIndex = c->method(); + const int method_relative = c->method_relative; + const auto callFunction = c->callFunction; + locker.unlock(); if (qt_signal_spy_callback_set.slot_begin_callback != 0) qt_signal_spy_callback_set.slot_begin_callback(receiver, methodIndex, argv ? argv : empty_argv); @@ -3740,7 +3740,7 @@ void QMetaObject::activate(QObject *sender, int signalOffset, int local_signal_i qt_signal_spy_callback_set.slot_end_callback(receiver, methodIndex); locker.relock(); } else { - const int method = method_relative + c->method_offset; + const int method = c->method_relative + c->method_offset; locker.unlock(); if (qt_signal_spy_callback_set.slot_begin_callback != 0) { @@ -4538,6 +4538,8 @@ void qDeleteInEventHandler(QObject *o) make sure to declare the argument type with Q_DECLARE_METATYPE + Overloaded functions can be resolved with help of \l qOverload. + \note The number of arguments in the signal or slot are limited to 6 if the compiler does not support C++11 variadic templates. */ @@ -4573,6 +4575,8 @@ void qDeleteInEventHandler(QObject *o) However, you should take care that any objects used within the functor are still alive when the signal is emitted. + Overloaded functions can be resolved with help of \l qOverload. + \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 must not have an overloaded or templated operator(). @@ -4612,6 +4616,8 @@ void qDeleteInEventHandler(QObject *o) However, you should take care that any objects used within the functor are still alive when the signal is emitted. + Overloaded functions can be resolved with help of \l qOverload. + \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 must not have an overloaded or templated operator(). |