diff options
Diffstat (limited to 'src/quick/items/qquickopenglshadereffect.cpp')
| -rw-r--r-- | src/quick/items/qquickopenglshadereffect.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/quick/items/qquickopenglshadereffect.cpp b/src/quick/items/qquickopenglshadereffect.cpp index 42fcee3c0d..4f4c403483 100644 --- a/src/quick/items/qquickopenglshadereffect.cpp +++ b/src/quick/items/qquickopenglshadereffect.cpp @@ -256,10 +256,14 @@ void QQuickOpenGLShaderEffectCommon::connectPropertySignals(QQuickItem *item, qWarning("QQuickOpenGLShaderEffect: property '%s' does not have notification method!", d.name.constData()); } else { auto *mapper = signalMappers[shaderType].at(i); - mapper->setSignalIndex(pd->notifyIndex()); + mapper->setSignalIndex(itemMetaObject->property(d.propertyIndex).notifySignal().methodIndex()); Q_ASSERT(item->metaObject() == itemMetaObject); - QObjectPrivate::connectImpl(item, mapper->signalIndex(), item, nullptr, mapper, - Qt::AutoConnection, nullptr, itemMetaObject); + bool ok = QObjectPrivate::connectImpl(item, pd->notifyIndex(), item, nullptr, mapper, + Qt::AutoConnection, nullptr, itemMetaObject); + if (!ok) + qWarning() << "Failed to connect to property" << itemMetaObject->property(d.propertyIndex).name() + << "(" << d.propertyIndex << ", signal index" << pd->notifyIndex() + << ") of item" << item; } } else { // If the source is set via a dynamic property, like the layer is, then we need this |