mirror of https://github.com/qTox/qTox.git
Anthony Bilinski
7 years ago
14 changed files with 144 additions and 77 deletions
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/*
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Copyright © 2019 by The qTox Project Contributors |
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This file is part of qTox, a Qt-based graphical interface for Tox. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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qTox is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with qTox. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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#ifndef STORNGTYPE_H |
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#define STORNGTYPE_H |
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#include <QHash> |
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/* This class facilitates creating a named class which wraps underlying POD,
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* avoiding implict casts and arithmetic of the underlying data. |
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* Usage: Declare named type with arbitrary tag, then hook up Qt metatype for use |
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* in signals/slots. For queued connections, registering the metatype is also |
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* required before the type is used. |
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* using ReceiptNum = NamedType<uint32_t, struct ReceiptNumTag>; |
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* Q_DECLARE_METATYPE(ReceiptNum); |
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* qRegisterMetaType<ReceiptNum>(); |
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*/ |
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template <typename T, typename Parameter> |
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class NamedType |
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{ |
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public: |
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NamedType() {} |
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explicit NamedType(T const& value) : value_(value) {} |
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T& get() { return value_; } |
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T const& get() const {return value_; } |
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bool operator==(const NamedType& rhs) const { return value_ == rhs.value_; } |
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bool operator<(const NamedType& rhs) const { return value_ < rhs.value_; } |
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bool operator>(const NamedType& rhs) const { return value_ > rhs.value_; } |
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private: |
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T value_; |
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}; |
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template <typename T, typename Parameter> |
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inline uint qHash(const NamedType<T,Parameter> &key, uint seed = 0) { |
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return qHash(key.get(), seed); |
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} |
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#endif // STORNGTYPE_H
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