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/*
* This file is part of the PySide project.
*
* Copyright (C) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
*
* Contact: PySide team <contact@pyside.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef SIGNALMANAGER_H
#define SIGNALMANAGER_H
#include "pysidemacros.h"
#include <Python.h>
#include <Qt>
#include <QStringList>
#include <QMetaMethod>
#include <QMetaType>
class QObject;
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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