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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt for Python project.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef SIGNALMANAGER_H
#define SIGNALMANAGER_H
#include "pysidemacros.h"
#include <sbkpython.h>
#include <Qt>
#include <QStringList>
#include <QMetaMethod>
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(PyObject* me);
PyObjectWrapper(const PyObjectWrapper &other);
~PyObjectWrapper();
operator PyObject*() const;
PyObjectWrapper& operator=(const PyObjectWrapper &other);
private:
PyObject* m_me;
void* m_data; //future
};
PYSIDE_API QDataStream &operator<<(QDataStream& out, const PyObjectWrapper& myObj);
PYSIDE_API QDataStream &operator>>(QDataStream& in, PyObjectWrapper& myObj);
class PYSIDE_API SignalManager
{
public:
static SignalManager& instance();
QObject* globalReceiver(QObject* sender, PyObject* callback);
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* retriveMetaObject(PyObject* self);
// Used to discovery if SignalManager was connected with object "destroyed()" signal.
int countConnectionsWith(const QObject *object);
// Disconnect all signals managed by Globalreceiver
void clear();
// 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);
PYSIDE_DEPRECATED(QObject* globalReceiver());
PYSIDE_DEPRECATED(void addGlobalSlot(const char* slot, PyObject* callback));
PYSIDE_DEPRECATED(int addGlobalSlotGetIndex(const char* slot, PyObject* callback));
PYSIDE_DEPRECATED(void globalReceiverConnectNotify(QObject *sender, int slotIndex));
PYSIDE_DEPRECATED(void globalReceiverDisconnectNotify(QObject *sender, int slotIndex));
PYSIDE_DEPRECATED(bool hasConnectionWith(const QObject *object));
private:
struct SignalManagerPrivate;
SignalManagerPrivate* m_d;
SignalManager();
~SignalManager();
// disable copy
SignalManager(const SignalManager&);
SignalManager operator=(const SignalManager&);
};
}
Q_DECLARE_METATYPE(PySide::PyObjectWrapper)
#endif
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