1 files changed, 118 insertions, 0 deletions
diff --git a/sources/pyside6/libpysideqml/pysideqmluncreatable.cpp b/sources/pyside6/libpysideqml/pysideqmluncreatable.cpp
new file mode 100644
index 000000000..7c0f6b8ff
--- /dev/null
+++ b/sources/pyside6/libpysideqml/pysideqmluncreatable.cpp
@@ -0,0 +1,118 @@
+// Copyright (C) 2021 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 "pysideqmluncreatable.h"
+#include <pysideclassdecorator_p.h>
+#include <pysideclassinfo.h>
+
+#include <shiboken.h>
+#include <signature.h>
+#include <sbkcppstring.h>
+
+#include <QtCore/qbytearray.h>
+#include <private/qmetaobjectbuilder_p.h>
+
+using namespace Qt::StringLiterals;
+
+class PySideQmlUncreatablePrivate : public PySide::ClassDecorator::StringDecoratorPrivate
+{
+public:
+    PyObject *tp_call(PyObject *self, PyObject *args, PyObject * /* kw */) override;
+    int tp_init(PyObject *self, PyObject *args, PyObject *kwds) override;
+    const char *name() const override;
+};
+
+const char *PySideQmlUncreatablePrivate::name() const
+{
+    return "QmlUncreatable";
+}
+
+// The call operator is passed the class type and registers the reason
+// in the uncreatableReasonMap()
+PyObject *PySideQmlUncreatablePrivate::tp_call(PyObject *self, PyObject *args, PyObject * /* kw */)
+{
+    PyObject *klass = tp_call_check(args, CheckMode::WrappedType);
+    if (klass== nullptr)
+        return nullptr;
+
+    auto *type = reinterpret_cast<PyTypeObject *>(klass);
+    auto *data = DecoratorPrivate::get<PySideQmlUncreatablePrivate>(self);
+    setUncreatableClassInfo(type, data->string());
+
+    Py_INCREF(klass);
+    return klass;
+}
+
+int PySideQmlUncreatablePrivate::tp_init(PyObject *self, PyObject *args, PyObject * /* kwds */)
+{
+    int result = -1;
+    const auto argsCount = PyTuple_Size(args);
+    if (argsCount == 0) {
+        result = 0; // QML-generated reason
+    } else if (argsCount == 1) {
+        PyObject *arg = PyTuple_GET_ITEM(args, 0);
+        result = arg == Py_None
+            ? 0 // QML-generated reason
+            : convertToString(self, args);
+    }
+
+    if (result != 0) {
+        PyErr_Format(PyExc_TypeError,
+                     "QmlUncreatable() takes a single string argument or no argument");
+    }
+
+    return result;
+}
+
+extern "C" {
+
+PyTypeObject *createPySideQmlUncreatableType(void)
+{
+    auto typeSlots =
+        PySide::ClassDecorator::Methods<PySideQmlUncreatablePrivate>::typeSlots();
+
+    PyType_Spec PySideQmlUncreatableType_spec = {
+        "2:PySide6.QtCore.qmlUncreatable",
+        sizeof(PySideClassDecorator),
+        0,
+        Py_TPFLAGS_DEFAULT,
+        typeSlots.data()
+    };
+    return SbkType_FromSpec(&PySideQmlUncreatableType_spec);
+}
+
+PyTypeObject *PySideQmlUncreatable_TypeF(void)
+{
+    static auto *type = createPySideQmlUncreatableType();
+    return type;
+}
+
+} // extern "C"
+
+static const char *qmlUncreatable_SignatureStrings[] = {
+    "PySide6.QtQml.QmlUncreatable(self,reason:str)",
+    nullptr // Sentinel
+};
+
+void initQmlUncreatable(PyObject *module)
+{
+    if (InitSignatureStrings(PySideQmlUncreatable_TypeF(), qmlUncreatable_SignatureStrings) < 0)
+        return;
+
+    Py_INCREF(PySideQmlUncreatable_TypeF());
+    PyModule_AddObject(module, "QmlUncreatable",
+                       reinterpret_cast<PyObject *>(PySideQmlUncreatable_TypeF()));
+}
+
+void setUncreatableClassInfo(PyTypeObject *type, const QByteArray &reason)
+{
+    PySide::ClassInfo::setClassInfo(type, {
+        {"QML.Creatable"_ba, "false"_ba},
+        {"QML.UncreatableReason"_ba, reason} });
+}
+
+void setUncreatableClassInfo(QMetaObjectBuilder *builder, const QByteArray &reason)
+{
+    builder->addClassInfo("QML.Creatable", "false");
+    builder->addClassInfo("QML.UncreatableReason", reason);
+}