1 files changed, 106 insertions, 0 deletions
diff --git a/sources/pyside2/libpyside/destroylistener.cpp b/sources/pyside2/libpyside/destroylistener.cpp
new file mode 100644
index 000000000..c1d3afb89
--- /dev/null
+++ b/sources/pyside2/libpyside/destroylistener.cpp
@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of PySide2.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <sbkpython.h>
+#include "destroylistener.h"
+
+#include <QObject>
+#include <shiboken.h>
+#include <QDebug>
+#include <QMutex>
+
+PySide::DestroyListener* PySide::DestroyListener::m_instance = 0;
+
+namespace PySide
+{
+
+struct DestroyListenerPrivate
+{
+    static bool m_destroyed;
+};
+
+
+DestroyListener* DestroyListener::instance()
+{
+    if (!m_instance)
+        m_instance = new DestroyListener(0);
+    return m_instance;
+}
+
+void DestroyListener::destroy()
+{
+    if (m_instance) {
+        m_instance->disconnect();
+        delete m_instance;
+        m_instance = 0;
+    }
+}
+
+void DestroyListener::listen(QObject *obj)
+{
+    SbkObject* wrapper = Shiboken::BindingManager::instance().retrieveWrapper(obj);
+    if (!wrapper) // avoid problem with multiple inheritance
+        return;
+
+    if (Py_IsInitialized() == 0)
+        onObjectDestroyed(obj);
+    else
+        QObject::connect(obj, SIGNAL(destroyed(QObject*)), this, SLOT(onObjectDestroyed(QObject*)), Qt::DirectConnection);
+}
+
+void DestroyListener::onObjectDestroyed(QObject* obj)
+{
+    SbkObject* wrapper = Shiboken::BindingManager::instance().retrieveWrapper(obj);
+    if (wrapper) //make sure the object exists before destroy
+        Shiboken::Object::destroy(wrapper, obj);
+}
+
+DestroyListener::DestroyListener(QObject *parent)
+    : QObject(parent)
+{
+    m_d = new DestroyListenerPrivate();
+}
+
+DestroyListener::~DestroyListener()
+{
+    delete m_d;
+}
+
+}//namespace
+