/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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 http://www.qt.io/terms-conditions. For further ** information use the contact form at http://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 2.1 or version 3 as published by the Free ** Software Foundation and appearing in the file LICENSE.LGPLv21 and ** LICENSE.LGPLv3 included in the packaging of this file. Please review the ** following information to ensure the GNU Lesser General Public License ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** As a special exception, The Qt Company gives you certain additional ** rights. These rights are described in The Qt Company LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QPOINTER_H #define QPOINTER_H #include QT_BEGIN_HEADER QT_BEGIN_NAMESPACE template class QPointer { QWeakPointer wp; public: inline QPointer() : wp() { } inline QPointer(T *p) : wp(p) { } inline QPointer(const QPointer &p) : wp(p.wp) { } inline QPointer &operator=(const QPointer &p) { wp = p.wp; return *this; } inline QPointer &operator=(T* p) { wp = p; return *this; } inline bool isNull() const { return wp.isNull(); } inline T* operator->() const { return wp.data(); } inline T& operator*() const { return *wp.data(); } inline operator T*() const { return wp.data(); } inline T* data() const { return wp.data(); } }; template inline bool operator==(const T *o, const QPointer &p) { return o == p.operator->(); } template inline bool operator==(const QPointer &p, const T *o) { return p.operator->() == o; } template inline bool operator==(T *o, const QPointer &p) { return o == p.operator->(); } template inline bool operator==(const QPointer &p, T *o) { return p.operator->() == o; } template inline bool operator==(const QPointer &p1, const QPointer &p2) { return p1.operator->() == p2.operator->(); } template inline bool operator!=(const T *o, const QPointer &p) { return o != p.operator->(); } template inline bool operator!= (const QPointer &p, const T *o) { return p.operator->() != o; } template inline bool operator!=(T *o, const QPointer &p) { return o != p.operator->(); } template inline bool operator!= (const QPointer &p, T *o) { return p.operator->() != o; } template inline bool operator!= (const QPointer &p1, const QPointer &p2) { return p1.operator->() != p2.operator->() ; } QT_END_NAMESPACE QT_END_HEADER #endif // QPOINTER_H