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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt for Python.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 PYSIDE_SIGNAL_H
#define PYSIDE_SIGNAL_H
#include <QObject>
#include <QString>
#include <QStringList>
#include <pysidemacros.h>
#include <sbkpython.h>
#include <basewrapper.h>
extern "C"
{
extern PYSIDE_API PyTypeObject PySideSignalType;
extern PYSIDE_API PyTypeObject PySideSignalInstanceType;
// Internal object
struct PYSIDE_API PySideSignal;
struct PySideSignalInstancePrivate;
struct PYSIDE_API PySideSignalInstance
{
PyObject_HEAD
PySideSignalInstancePrivate* d;
};
}; // extern "C"
namespace PySide {
namespace Signal {
PYSIDE_API bool checkType(PyObject* type);
/**
* This function creates a Signal object which stays attached to QObject class
*
* @param name of the Signal to be registered on meta object
* @param signatures a list of signatures supported by this signal, ended with a NULL pointer
* @return Return a new reference to PyObject* of type PySideSignal
* @deprecated Use registerSignals
**/
PYSIDE_DEPRECATED(PYSIDE_API PySideSignal* newObject(const char* name, ...));
/**
* Register all C++ signals of a QObject on Python type.
*/
PYSIDE_API void registerSignals(SbkObjectType* pyObj, const QMetaObject* metaObject);
/**
* This function creates a Signal object which stays attached to QObject class based on a list of QMetaMethods
*
* @param source of the Signal to be registered on meta object
* @param methods a list of QMetaMethod wich contains the supported signature
* @return Return a new reference to PyObject* of type PySideSignal
**/
PYSIDE_API PySideSignalInstance* newObjectFromMethod(PyObject* source, const QList<QMetaMethod>& methods);
/**
* This function initializes the Signal object by creating a PySideSignalInstance
*
* @param self a Signal object used as base to PySideSignalInstance
* @param name the name to be used on PySideSignalInstance
* @param object the PyObject where the signal will be attached
* @return Return a new reference to PySideSignalInstance
**/
PYSIDE_API PySideSignalInstance* initialize(PySideSignal* signal, PyObject* name, PyObject* object);
/**
* This function is used to retrieve the object in which the signal is attached
*
* @param self The Signal object
* @return Return the internal reference to the parent object of the signal
**/
PYSIDE_API PyObject* getObject(PySideSignalInstance* signal);
/**
* This function is used to retrieve the signal signature
*
* @param self The Signal object
* @return Return the signal signature
**/
PYSIDE_API const char* getSignature(PySideSignalInstance* signal);
/**
* This function is used to retrieve the signal signature
*
* @param self The Signal object
* @return Return the signal signature
**/
PYSIDE_API void updateSourceObject(PyObject* source);
/**
* @deprecated Use registerSignals
**/
PYSIDE_DEPRECATED(PYSIDE_API void addSignalToWrapper(SbkObjectType* wrapperType, const char* signalName, PySideSignal* signal));
/**
* This function verifies if the signature is a QtSignal base on SIGNAL flag
* @param signature The signal signature
* @return Return true if this is a Qt Signal, otherwise return false
**/
PYSIDE_API bool isQtSignal(const char* signature);
/**
* This function is similar to isQtSignal, however if it fails, it'll raise a Python error instead.
*
* @param signature The signal signature
* @return Return true if this is a Qt Signal, otherwise return false
**/
PYSIDE_API bool checkQtSignal(const char* signature);
/**
* This function is used to retrieve the signature base on Signal and receiver callback
* @param signature The signal signature
* @param receiver The QObject which will receive the signal
* @param callback Callback function which will connect to the signal
* @param encodeName Used to specify if the returned signature will be encoded with Qt signal/slot style
* @return Return the callback signature
**/
PYSIDE_API QString getCallbackSignature(const char* signal, QObject* receiver, PyObject* callback, bool encodeName);
/**
* This function parses the signature and then returns a list of argument types.
*
* @param signature The signal signature
* @param isShortCircuit If this is a shortCircuit(python<->python) signal
* @return Return true if this is a Qt Signal, otherwise return false
* @todo replace return type by QList<QByteArray>
**/
QStringList getArgsFromSignature(const char* signature, bool* isShortCircuit = 0);
} // namespace Signal
} // namespace PySide
#endif
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