/**************************************************************************** ** ** 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. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef GLOBALRECEIVER_V2_H #define GLOBALRECEIVER_V2_H #include #include #include #include #include #include #include #include "dynamicqmetaobject.h" namespace PySide { class DynamicSlotDataV2; class GlobalReceiverV2; typedef QMap GlobalReceiverV2Map; typedef QSharedPointer SharedMap; /** * A class used to make the link between the C++ Signal/Slot and Python callback * This class is used internally by SignalManager **/ class GlobalReceiverV2 : public QObject { public: /** * Create a GlobalReceiver object that will call 'callback' argumentent * * @param callback A Python callable object (can be a method or not) * @param ma A SharedPointer used on Signal manager that contains all instaces of GlobalReceiver **/ GlobalReceiverV2(PyObject *callback, SharedMap map); /** * Destructor **/ ~GlobalReceiverV2(); /** * Reimplemented function from QObject **/ int qt_metacall(QMetaObject::Call call, int id, void** args); const QMetaObject* metaObject() const; /** * Add a extra slot to this object * * @param signature The signature of the slot to be added * @return The index of this slot on metaobject **/ int addSlot(const char* signature); /** * Notify to GlobalReceiver about when a new connection was made **/ void notify(); /** * Used to increment the reference of the GlobalReceiver object * * @param link This is a optional paramenter used to link the ref to some QObject life **/ void incRef(const QObject* link = 0); /** * Used to decrement the reference of the GlobalReceiver object * * @param link This is a optional paramenter used to dismiss the link ref to some QObject **/ void decRef(const QObject* link = 0); /* * Return the count of refs which the GlobalReceiver has * * @param link If any QObject was passed, the function return the number of references relative to this 'link' object * @return The number of references **/ int refCount(const QObject* link) const; /** * Use to retrive the unique hash of this GlobalReceiver object * * @return a string with a unique id based on GlobalReceiver contents **/ QByteArray hash() const; /** * Use to retrive the unique hash of the PyObject based on GlobalReceiver rules * * @param callback The Python callable object used to calculate the id * @return a string with a unique id based on GlobalReceiver contents **/ static QByteArray hash(PyObject* callback); private: DynamicQMetaObject m_metaObject; DynamicSlotDataV2 *m_data; QList m_refs; int m_ref; SharedMap m_sharedMap; }; } #endif