1 files changed, 92 insertions, 0 deletions
diff --git a/sources/pyside6/libpysideqml/pysideqmlforeign.cpp b/sources/pyside6/libpysideqml/pysideqmlforeign.cpp
new file mode 100644
index 000000000..18d39d121
--- /dev/null
+++ b/sources/pyside6/libpysideqml/pysideqmlforeign.cpp
@@ -0,0 +1,92 @@
+// Copyright (C) 2022 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
+
+#include "pysideqmlforeign_p.h"
+#include "pysideqmltypeinfo_p.h"
+
+#include <signalmanager.h>
+#include <pysideclassdecorator_p.h>
+
+#include <shiboken.h>
+#include <signature.h>
+#include <sbkstring.h>
+
+#include <QtCore/QDebug>
+
+// The QmlForeign decorator modifies QmlElement to create a different type
+// QmlElement.
+class PySideQmlForeignPrivate : public PySide::ClassDecorator::TypeDecoratorPrivate
+{
+public:
+    PyObject *tp_call(PyObject *self, PyObject *args, PyObject * /* kw */) override;
+    const char *name() const override;
+};
+
+// The call operator is passed the class type and registers the type
+// in QmlTypeInfo.
+PyObject *PySideQmlForeignPrivate::tp_call(PyObject *self, PyObject *args, PyObject * /* kw */)
+{
+    PyObject *klass = tp_call_check(args, CheckMode::WrappedType);
+    if (klass == nullptr)
+        return nullptr;
+
+    auto *data = DecoratorPrivate::get<PySideQmlForeignPrivate>(self);
+    const auto info = PySide::Qml::ensureQmlTypeInfo(klass);
+    info->foreignType = data->type();
+    // Insert an alias to be used by the factory functions of Decorators like
+    // @QmlExtended and @QmlAttached.
+    auto *foreignObj = reinterpret_cast<const PyObject *>(info->foreignType);
+    PySide::Qml::insertQmlTypeInfoAlias(foreignObj, info);
+
+    Py_INCREF(klass);
+    return klass;
+}
+
+const char *PySideQmlForeignPrivate::name() const
+{
+    return "QmlForeign";
+}
+
+extern "C" {
+
+static PyTypeObject *createPySideQmlForeignType(void)
+{
+    auto typeSlots =
+        PySide::ClassDecorator::Methods<PySideQmlForeignPrivate>::typeSlots();
+
+    PyType_Spec PySideQmlForeignType_spec = {
+        "2:PySide6.QtCore.qmlForeign",
+        sizeof(PySideClassDecorator),
+        0,
+        Py_TPFLAGS_DEFAULT,
+        typeSlots.data()
+    };
+    return SbkType_FromSpec(&PySideQmlForeignType_spec);
+}
+
+PyTypeObject *PySideQmlForeign_TypeF(void)
+{
+    static auto *type = createPySideQmlForeignType();
+    return type;
+}
+
+} // extern "C"
+
+static const char *qmlForeign_SignatureStrings[] = {
+    "PySide6.QtQml.QmlForeign(self,type:type)",
+    nullptr // Sentinel
+};
+
+namespace PySide::Qml {
+
+void initQmlForeign(PyObject *module)
+{
+    if (InitSignatureStrings(PySideQmlForeign_TypeF(), qmlForeign_SignatureStrings) < 0)
+        return;
+
+    Py_INCREF(PySideQmlForeign_TypeF());
+    PyModule_AddObject(module, "QmlForeign",
+                       reinterpret_cast<PyObject *>(PySideQmlForeign_TypeF()));
+}
+
+} // namespace PySide::Qml