Introduce functions to set properties during creation

Change-Id: Idd4c8ab9e34b9bc3e00f21d7cf1e4f1a70586e7f
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

1 files changed, 17 insertions, 1 deletions

diff --git a/src/qml/qml/qqmlapplicationengine.cpp b/src/qml/qml/qqmlapplicationengine.cpp
index e93cfcadb9..d04a89b514 100644
--- a/src/qml/qml/qqmlapplicationengine.cpp
+++ b/src/qml/qml/qqmlapplicationengine.cpp
@@ -131,7 +131,7 @@ void QQmlApplicationEnginePrivate::finishLoad(QQmlComponent *c)
         q->objectCreated(nullptr, c->url());
         break;
     case QQmlComponent::Ready: {
-        auto newObj = c->create();
+        auto newObj = initialProperties.empty() ? c->create() : c->createWithInitialProperties(initialProperties);
         objects << newObj;
         QObject::connect(newObj, &QObject::destroyed, q, [&](QObject *obj) { objects.removeAll(obj); });
         q->objectCreated(objects.constLast(), c->url());
@@ -279,6 +279,22 @@ void QQmlApplicationEngine::load(const QString &filePath)
 }
 
 /*!
+   Sets the initial properties with which the QML component gets initialized after
+   it gets loaded.
+
+
+   \sa QQmlComponent::setInitialProperties
+   \sa QQmlApplicationEngine::load
+   \sa QQmlApplicationEngine::loadData
+   \since 5.14
+*/
+void QQmlApplicationEngine::setInitialProperties(const QVariantMap &initialProperties)
+{
+    Q_D(QQmlApplicationEngine);
+    d->initialProperties = initialProperties;
+}
+
+/*!
   Loads the QML given in \a data. The object tree defined by \a data is
   instantiated immediately.