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Diffstat (limited to 'src/qt3support/tools/q3deepcopy.h')
-rw-r--r-- | src/qt3support/tools/q3deepcopy.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/qt3support/tools/q3deepcopy.h b/src/qt3support/tools/q3deepcopy.h new file mode 100644 index 0000000..1b6d13f --- /dev/null +++ b/src/qt3support/tools/q3deepcopy.h @@ -0,0 +1,89 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the Qt3Support module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef Q3DEEPCOPY_H +#define Q3DEEPCOPY_H + +#include <QtCore/qglobal.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Qt3SupportLight) + +template <class T> +class Q3DeepCopy +{ +public: + inline Q3DeepCopy() + { + } + + inline Q3DeepCopy(const T &t) + : deepcopy(t) + { + deepcopy.detach(); + } + + inline Q3DeepCopy<T> &operator=(const T &t) + { + deepcopy = t; + deepcopy.detach(); + return *this; + } + + inline operator T () + { + T tmp = deepcopy; + tmp.detach(); + return tmp; + } + +private: + T deepcopy; +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // Q3DEEPCOPY_H |