diff options
Diffstat (limited to 'src/corelib/tools/qsize.h')
| -rw-r--r-- | src/corelib/tools/qsize.h | 62 |
1 files changed, 18 insertions, 44 deletions
diff --git a/src/corelib/tools/qsize.h b/src/corelib/tools/qsize.h index bab193031c..a5eaf34afe 100644 --- a/src/corelib/tools/qsize.h +++ b/src/corelib/tools/qsize.h @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://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 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2022 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #ifndef QSIZE_H #define QSIZE_H @@ -44,12 +8,18 @@ #include <QtCore/qhashfunctions.h> #include <QtCore/qmargins.h> +#include <QtCore/q20type_traits.h> +#include <QtCore/q23utility.h> + #if defined(Q_OS_DARWIN) || defined(Q_QDOC) struct CGSize; #endif QT_BEGIN_NAMESPACE +// QT_ENABLE_P0846_SEMANTICS_FOR(get) // from qmargins.h + +class QSizeF; class Q_CORE_EXPORT QSize { @@ -109,6 +79,8 @@ public: [[nodiscard]] CGSize toCGSize() const noexcept; #endif + [[nodiscard]] inline constexpr QSizeF toSizeF() const noexcept; + private: int wd; int ht; @@ -116,13 +88,13 @@ private: template <std::size_t I, typename S, std::enable_if_t<(I < 2), bool> = true, - std::enable_if_t<std::is_same_v<std::decay_t<S>, QSize>, bool> = true> + std::enable_if_t<std::is_same_v<q20::remove_cvref_t<S>, QSize>, bool> = true> friend constexpr decltype(auto) get(S &&s) noexcept { if constexpr (I == 0) - return (std::forward<S>(s).wd); + return q23::forward_like<S>(s.wd); else if constexpr (I == 1) - return (std::forward<S>(s).ht); + return q23::forward_like<S>(s.ht); } }; Q_DECLARE_TYPEINFO(QSize, Q_RELOCATABLE_TYPE); @@ -305,13 +277,13 @@ private: template <std::size_t I, typename S, std::enable_if_t<(I < 2), bool> = true, - std::enable_if_t<std::is_same_v<std::decay_t<S>, QSizeF>, bool> = true> + std::enable_if_t<std::is_same_v<q20::remove_cvref_t<S>, QSizeF>, bool> = true> friend constexpr decltype(auto) get(S &&s) noexcept { if constexpr (I == 0) - return (std::forward<S>(s).wd); + return q23::forward_like<S>(s.wd); else if constexpr (I == 1) - return (std::forward<S>(s).ht); + return q23::forward_like<S>(s.ht); } }; Q_DECLARE_TYPEINFO(QSizeF, Q_RELOCATABLE_TYPE); @@ -420,6 +392,8 @@ constexpr inline QSize QSizeF::toSize() const noexcept return QSize(qRound(wd), qRound(ht)); } +constexpr QSizeF QSize::toSizeF() const noexcept { return *this; } + #ifndef QT_NO_DEBUG_STREAM Q_CORE_EXPORT QDebug operator<<(QDebug, const QSizeF &); #endif |