1 files changed, 100 insertions, 0 deletions
diff --git a/sources/pyside6/libpyside/signalmanager.h b/sources/pyside6/libpyside/signalmanager.h
new file mode 100644
index 000000000..c531d6630
--- /dev/null
+++ b/sources/pyside6/libpyside/signalmanager.h
@@ -0,0 +1,100 @@
+// Copyright (C) 2016 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 SIGNALMANAGER_H
+#define SIGNALMANAGER_H
+
+#include "pysidemacros.h"
+
+#include <sbkpython.h>
+#include <shibokenmacros.h>
+
+#include <QtCore/QMetaMethod>
+
+#include <optional>
+
+QT_FORWARD_DECLARE_CLASS(QDataStream)
+
+namespace PySide
+{
+
+/// Thin wrapper for PyObject which increases the reference count at the constructor but *NOT* at destructor.
+class PYSIDE_API PyObjectWrapper
+{
+public:
+    PyObjectWrapper(PyObjectWrapper&&) = delete;
+    PyObjectWrapper& operator=(PyObjectWrapper &&) = delete;
+
+    PyObjectWrapper();
+    explicit PyObjectWrapper(PyObject* me);
+    PyObjectWrapper(const PyObjectWrapper &other);
+    PyObjectWrapper& operator=(const PyObjectWrapper &other);
+
+    void reset(PyObject *o);
+
+    ~PyObjectWrapper();
+    operator PyObject*() const;
+
+    // FIXME: To be removed in Qt7
+    // This was done to make QAbstractItemModel::data() work without explicit conversion of
+    // QVariant(PyObjectWrapper) to QVariant(int). This works because QAbstractItemModel::data()
+    // inturn calls legacyEnumValueFromModelData(const QVariant &data). But this function will
+    // be removed in Qt7.
+    // The proper fix would be to associate PyObjectWrapper to the corresponding C++ Enum.
+    int toInt() const;
+
+private:
+    PyObject* m_me;
+};
+
+PYSIDE_API QDataStream &operator<<(QDataStream& out, const PyObjectWrapper& myObj);
+PYSIDE_API QDataStream &operator>>(QDataStream& in, PyObjectWrapper& myObj);
+
+class PYSIDE_API SignalManager
+{
+public:
+    Q_DISABLE_COPY_MOVE(SignalManager)
+
+    using QmlMetaCallErrorHandler = std::optional<int>(*)(QObject *object);
+
+    static SignalManager& instance();
+
+    static void setQmlMetaCallErrorHandler(QmlMetaCallErrorHandler handler);
+
+    QObject* globalReceiver(QObject *sender, PyObject *callback, QObject *receiver = nullptr);
+    void releaseGlobalReceiver(const QObject* sender, QObject* receiver);
+    int globalReceiverSlotIndex(QObject* sender, const char* slotSignature) const;
+    void notifyGlobalReceiver(QObject* receiver);
+
+    bool emitSignal(QObject* source, const char* signal, PyObject* args);
+    static int qt_metacall(QObject* object, QMetaObject::Call call, int id, void** args);
+
+    // Used to register a new signal/slot on QMetaobject of source.
+    static bool registerMetaMethod(QObject* source, const char* signature, QMetaMethod::MethodType type);
+    static int registerMetaMethodGetIndex(QObject* source, const char* signature, QMetaMethod::MethodType type);
+
+    // used to discovery metaobject
+    static const QMetaObject* retrieveMetaObject(PyObject* self);
+
+    // Disconnect all signals managed by Globalreceiver
+    void clear();
+    void purgeEmptyGlobalReceivers();
+
+    // Utility function to call a python method usign args received in qt_metacall
+    static int callPythonMetaMethod(const QMetaMethod& method, void** args, PyObject* obj, bool isShortCuit);
+
+    static void deleteGlobalReceiver(const QObject *globalReceiver);
+
+private:
+    struct SignalManagerPrivate;
+    SignalManagerPrivate* m_d;
+
+    SignalManager();
+    ~SignalManager();
+};
+
+}
+
+Q_DECLARE_METATYPE(PySide::PyObjectWrapper)
+
+#endif