diff options
Diffstat (limited to 'src/corelib/doc/snippets/qmetatype/registerConverters.cpp')
-rw-r--r-- | src/corelib/doc/snippets/qmetatype/registerConverters.cpp | 61 |
1 files changed, 11 insertions, 50 deletions
diff --git a/src/corelib/doc/snippets/qmetatype/registerConverters.cpp b/src/corelib/doc/snippets/qmetatype/registerConverters.cpp index 11e9ce1bfc..f53d04b7a6 100644 --- a/src/corelib/doc/snippets/qmetatype/registerConverters.cpp +++ b/src/corelib/doc/snippets/qmetatype/registerConverters.cpp @@ -1,53 +1,7 @@ -/**************************************************************************** -** -** Copyright (C) 2021 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the documentation of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2021 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause +#include <QJsonObject> #include <QMetaType> #include <QString> @@ -58,7 +12,7 @@ int main() { int y; int z; - QString toString() const { return u"[x: %1; y: %2, z: %3]"_qs.arg(QString::number(x), + QString toString() const { return u"[x: %1; y: %2, z: %3]"_s.arg(QString::number(x), QString::number(y), QString::number(z)); } }; @@ -97,5 +51,12 @@ int main() { QMetaType::registerConverter<CustomStringType, QString>([](const CustomStringType &str) { return QString::fromUtf8(str.data()); }); + QMetaType::registerConverter<QJsonValue, QPointF>( + [](const QJsonValue &value) -> std::optional<QPointF> { + const auto object = value.toObject(); + if (!object.contains("x") || !object.contains("y")) + return std::nullopt; // The conversion fails if the required properties are missing + return QPointF{object["x"].toDouble(), object["y"].toDouble()}; + }); //! [unaryfunc] } |