diff options
| author | Simon Hausmann <simon.hausmann@qt.io> | 2018-06-06 10:10:53 +0200 |
|---|---|---|
| committer | Simon Hausmann <simon.hausmann@qt.io> | 2018-06-06 16:41:51 +0000 |
| commit | bf1f17364f6c1f548715acf69023f511492682f3 (patch) | |
| tree | 99d8505b2c530913bb22fbb43cca498500588400 /src/corelib/kernel | |
| parent | ae42461f44cf63a66a087cf8c2660c3d914f474c (diff) | |
Add note about calling invokable functions from QML when returning QObjects
Link to the data ownership section of the QML documentation to elaborate
on the special rules that apply for invokable functions that return
QObjects.
Change-Id: I41ea9089468c9505807cf1fde22be759b397a6d3
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Diffstat (limited to 'src/corelib/kernel')
| -rw-r--r-- | src/corelib/kernel/qobject.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp index 6181bd579e..3717d7a19e 100644 --- a/src/corelib/kernel/qobject.cpp +++ b/src/corelib/kernel/qobject.cpp @@ -4533,6 +4533,11 @@ QDebug operator<<(QDebug dbg, const QObject *o) invoked using QMetaObject::invokeMethod(). Since \c normalMethod() function is not registered in this way, it cannot be invoked using QMetaObject::invokeMethod(). + + If an invokable member function returns a pointer to a QObject or a + subclass of QObject and it is invoked from QML, special ownership rules + apply. See \l{qtqml-cppintegration-data.html}{Data Type Conversion Between QML and C++} + for more information. */ /*! |