1 files changed, 68 insertions, 0 deletions
diff --git a/src/qmlmodels/qqmladaptormodelenginedata_p.h b/src/qmlmodels/qqmladaptormodelenginedata_p.h
new file mode 100644
index 0000000000..290a74e1ee
--- /dev/null
+++ b/src/qmlmodels/qqmladaptormodelenginedata_p.h
@@ -0,0 +1,68 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+
+#ifndef QQMLADAPTORMODELENGINEDATA_P_H
+#define QQMLADAPTORMODELENGINEDATA_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <private/qqmldelegatemodel_p_p.h>
+#include <private/qmetaobjectbuilder_p.h>
+#include <private/qqmlproperty_p.h>
+
+#include <private/qv4value_p.h>
+#include <private/qv4functionobject_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QQmlAdaptorModelEngineData : public QV4::ExecutionEngine::Deletable
+{
+public:
+    QQmlAdaptorModelEngineData(QV4::ExecutionEngine *v4);
+
+    QV4::ExecutionEngine *v4;
+    QV4::PersistentValue listItemProto;
+
+    static QV4::ReturnedValue get_index(const QV4::FunctionObject *f, const QV4::Value *thisObject, const QV4::Value *, int)
+    {
+        QV4::Scope scope(f);
+        QV4::Scoped<QQmlDelegateModelItemObject> o(scope, thisObject->as<QQmlDelegateModelItemObject>());
+        if (!o)
+            RETURN_RESULT(scope.engine->throwTypeError(QStringLiteral("Not a valid DelegateModel object")));
+
+        RETURN_RESULT(QV4::Encode(o->d()->item->index));
+    }
+
+    template <typename T, typename M> static void setModelDataType(QMetaObjectBuilder *builder, M *metaType)
+    {
+        builder->setFlags(MetaObjectFlag::DynamicMetaObject);
+        builder->setClassName(T::staticMetaObject.className());
+        builder->setSuperClass(&T::staticMetaObject);
+        metaType->propertyOffset = T::staticMetaObject.propertyCount();
+        metaType->signalOffset = T::staticMetaObject.methodCount();
+    }
+
+    static void addProperty(QMetaObjectBuilder *builder, int propertyId, const QByteArray &propertyName, const QByteArray &propertyType)
+    {
+        builder->addSignal("__" + QByteArray::number(propertyId) + "()");
+        QMetaPropertyBuilder property = builder->addProperty(
+                propertyName, propertyType, propertyId);
+        property.setWritable(true);
+    }
+
+    V4_DEFINE_EXTENSION(QQmlAdaptorModelEngineData, get)
+};
+
+QT_END_NAMESPACE
+
+#endif // QQMLADAPTORMODELENGINEDATA_P_H