1 files changed, 104 insertions, 0 deletions
diff --git a/sources/pyside6/plugins/uitools/customwidget.cpp b/sources/pyside6/plugins/uitools/customwidget.cpp
new file mode 100644
index 000000000..976754feb
--- /dev/null
+++ b/sources/pyside6/plugins/uitools/customwidget.cpp
@@ -0,0 +1,104 @@
+// Copyright (C) 2020 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 "customwidget.h"
+#include <QtCore/qdebug.h>
+
+// Part of the static plugin linked to the QtUiLoader Python module,
+// allowing it to create a custom widget written in Python.
+PyCustomWidget::PyCustomWidget(PyObject *objectType) :
+    m_pyObject(objectType),
+    m_name(QString::fromUtf8(reinterpret_cast<PyTypeObject *>(objectType)->tp_name))
+{
+}
+
+bool PyCustomWidget::isContainer() const
+{
+    return false;
+}
+
+bool PyCustomWidget::isInitialized() const
+{
+    return m_initialized;
+}
+
+QIcon PyCustomWidget::icon() const
+{
+    return {};
+}
+
+QString PyCustomWidget::domXml() const
+{
+    return {};
+}
+
+QString PyCustomWidget::group() const
+{
+    return {};
+}
+
+QString PyCustomWidget::includeFile() const
+{
+    return {};
+}
+
+QString PyCustomWidget::name() const
+{
+    return m_name;
+}
+
+QString PyCustomWidget::toolTip() const
+{
+    return {};
+}
+
+QString PyCustomWidget::whatsThis() const
+{
+    return {};
+}
+
+// A copy of this code exists in PyDesignerCustomWidget::createWidget()
+// (see sources/pyside6/PySide6/QtDesigner/qpydesignercustomwidgetcollection.cpp).
+QWidget *PyCustomWidget::createWidget(QWidget *parent)
+{
+    // Create a python instance and return cpp object
+    PyObject *pyParent = nullptr;
+    bool unknownParent = false;
+    if (parent != nullptr) {
+        pyParent = reinterpret_cast<PyObject *>(Shiboken::BindingManager::instance().retrieveWrapper(parent));
+        if (pyParent != nullptr) {
+            Py_INCREF(pyParent);
+        } else {
+            static Shiboken::Conversions::SpecificConverter converter("QWidget*");
+            pyParent = converter.toPython(&parent);
+            unknownParent = true;
+        }
+    } else {
+        Py_INCREF(Py_None);
+        pyParent = Py_None;
+    }
+
+    Shiboken::AutoDecRef pyArgs(PyTuple_New(1));
+    PyTuple_SET_ITEM(pyArgs.object(), 0, pyParent); // tuple will keep pyParent reference
+
+    // Call python constructor
+    auto *result = reinterpret_cast<SbkObject *>(PyObject_CallObject(m_pyObject, pyArgs));
+    if (result == nullptr) {
+        qWarning("Unable to create a Python custom widget of type \"%s\".",
+                 qPrintable(m_name));
+        PyErr_Print();
+        return nullptr;
+    }
+
+    if (unknownParent) // if parent does not exist in python, transfer the ownership to cpp
+        Shiboken::Object::releaseOwnership(result);
+    else
+        Shiboken::Object::setParent(pyParent, reinterpret_cast<PyObject *>(result));
+
+    return reinterpret_cast<QWidget *>(Shiboken::Object::cppPointer(result, Py_TYPE(result)));
+}
+
+void PyCustomWidget::initialize(QDesignerFormEditorInterface *)
+{
+    m_initialized = true;
+}