diff options
Diffstat (limited to 'src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp')
| -rw-r--r-- | src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp | 146 |
1 files changed, 32 insertions, 114 deletions
diff --git a/src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp b/src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp index a540b88247..25d3abf67e 100644 --- a/src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp +++ b/src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp @@ -1,52 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 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) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause //! [0] label->setAlignment(Qt::AlignLeft | Qt::AlignTop); @@ -79,17 +32,6 @@ Q_FLAG(Options) typedef QFlags<Enum> Flags; //! [2] - -//! [3] -int myValue = 10; -int minValue = 2; -int maxValue = 6; - -int boundedValue = qBound(minValue, myValue, maxValue); -// boundedValue == 6 -//! [3] - - //! [4] if (!driver()->isOpen() || driver()->isOpenError()) { qWarning("QSqlQuery::exec: database not open"); @@ -108,11 +50,6 @@ quint64 value = Q_UINT64_C(932838457459459); //! [6] -//! [7] -void myMsgHandler(QtMsgType, const char *); -//! [7] - - //! [8] qint64 value = Q_INT64_C(932838457459459); //! [8] @@ -203,7 +140,7 @@ int boundedValue = qBound(minValue, myValue, maxValue); //! [16] -#if QT_VERSION >= 0x040100 +#if QT_VERSION >= QT_VERSION_CHECK(4, 1, 0) QIcon icon = style()->standardIcon(QStyle::SP_TrashIcon); #else QPixmap pixmap = style()->standardPixmap(QStyle::SP_TrashIcon); @@ -273,37 +210,26 @@ const TInputType &myMin(const TInputType &value1, const TInputType &value2) //! [23] -#include <qapplication.h> +#include <QApplication> #include <stdio.h> #include <stdlib.h> -void myMessageOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg) +QtMessageHandler originalHandler = nullptr; + +void logToFile(QtMsgType type, const QMessageLogContext &context, const QString &msg) { - QByteArray localMsg = msg.toLocal8Bit(); - const char *file = context.file ? context.file : ""; - const char *function = context.function ? context.function : ""; - switch (type) { - case QtDebugMsg: - fprintf(stderr, "Debug: %s (%s:%u, %s)\n", localMsg.constData(), file, context.line, function); - break; - case QtInfoMsg: - fprintf(stderr, "Info: %s (%s:%u, %s)\n", localMsg.constData(), file, context.line, function); - break; - case QtWarningMsg: - fprintf(stderr, "Warning: %s (%s:%u, %s)\n", localMsg.constData(), file, context.line, function); - break; - case QtCriticalMsg: - fprintf(stderr, "Critical: %s (%s:%u, %s)\n", localMsg.constData(), file, context.line, function); - break; - case QtFatalMsg: - fprintf(stderr, "Fatal: %s (%s:%u, %s)\n", localMsg.constData(), file, context.line, function); - break; - } + QString message = qFormatLogMessage(type, context, msg); + static FILE *f = fopen("log.txt", "a"); + fprintf(f, "%s\n", qPrintable(message)); + fflush(f); + + if (originalHandler) + *originalHandler(type, context, msg); } int main(int argc, char **argv) { - qInstallMessageHandler(myMessageOutput); + originalHandler = qInstallMessageHandler(logToFile); QApplication app(argc, argv); ... return app.exec(); @@ -339,8 +265,7 @@ void f(int c) //! [27] -qWarning() << "Brush:" << myQBrush << "Other value:" -<< i; +qWarning() << "Brush:" << myQBrush << "Other value:" << i; //! [27] @@ -355,8 +280,7 @@ void load(const QString &fileName) //! [29] -qCritical() << "Brush:" << myQBrush << "Other -value:" << i; +qCritical() << "Brush:" << myQBrush << "Other value:" << i; //! [29] @@ -514,16 +438,20 @@ void TheClass::addLabels() } //! [qttrid_noop] +//! [qttrid_n_noop] +static const char * const ids[] = { + //% "%n foo(s) found." + QT_TRID_N_NOOP("qtn_foo"), + //% "%n bar(s) found." + QT_TRID_N_NOOP("qtn_bar"), + 0 +}; -//! [37] -qWarning("%s: %s", qUtf8Printable(key), qUtf8Printable(value)); -//! [37] - - -//! [qUtf16Printable] -qWarning("%ls: %ls", qUtf16Printable(key), qUtf16Printable(value)); -//! [qUtf16Printable] - +QString result(int type, int n) +{ + return qtTrId(ids[type], n); +} +//! [qttrid_n_noop] //! [38] struct Point2D @@ -553,7 +481,7 @@ private: int *data; }; -Q_DECLARE_TYPEINFO(Point2D, Q_MOVABLE_TYPE); +Q_DECLARE_TYPEINFO(Point2D, Q_RELOCATABLE_TYPE); //! [39] @@ -624,11 +552,6 @@ qFuzzyCompare(0.0, 1.0e-200); // This will return false qFuzzyCompare(1 + 0.0, 1 + 1.0e-200); // This will return true //! [46] -//! [47] -CApaApplication *myApplicationFactory(); -//! [47] - - //! [49] void myMessageHandler(QtMsgType, const QMessageLogContext &, const QString &); //! [49] @@ -656,11 +579,6 @@ template<> class QTypeInfo<A> : public QTypeInfoMerger<A, B, C, D> {}; ... qOverload<int, const QString &>(&Foo::overloadedFunction) //! [52] -//! [53] - ... QOverload<>::of(&Foo::overloadedFunction) - ... QOverload<int, const QString &>::of(&Foo::overloadedFunction) -//! [53] - //! [54] struct Foo { void overloadedFunction(int, const QString &); @@ -720,7 +638,7 @@ bool readConfiguration(const QFile &file) //! [qt-version-check] #include <QtGlobal> -#if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)) +#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0) #include <QtWidgets> #else #include <QtGui> |