From 9ad35a85e893eadb6602846194bb87e6f9a65211 Mon Sep 17 00:00:00 2001 From: Friedemann Kleint Date: Tue, 25 Jun 2019 12:58:12 +0200 Subject: Remove left-over C++ example snippets Change-Id: I15d5c647e68344ae4a05898be6d8a334cf25f3b4 Reviewed-by: Christian Tismer --- .../snippets/code/src_corelib_global_qglobal.cpp | 514 --------------------- 1 file changed, 514 deletions(-) delete mode 100644 sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_global_qglobal.cpp (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_global_qglobal.cpp') diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_global_qglobal.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_global_qglobal.cpp deleted file mode 100644 index c172beb21..000000000 --- a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_global_qglobal.cpp +++ /dev/null @@ -1,514 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the documentation of Qt for Python. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -//! [0] -label.setAlignment(Qt.AlignLeft | Qt.AlignTop) -//! [0] - - -//! [1] -class MyClass -{ -public: - enum Option { - NoOptions = 0x0, - ShowTabs = 0x1, - ShowAll = 0x2, - SqueezeBlank = 0x4 - }; - Q_DECLARE_FLAGS(Options, Option) - ... -}; - -Q_DECLARE_OPERATORS_FOR_FLAGS(MyClass::Options) -//! [1] - -//! [meta-object flags] -Q_FLAGS(Options) -//! [meta-object flags] - -//! [2] -typedef QFlags 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"); - return false; -} -//! [4] - - -//! [5] -qint64 value = Q_INT64_C(932838457459459); -//! [5] - - -//! [6] -quint64 value = Q_UINT64_C(932838457459459); -//! [6] - - -//! [7] -void myMsgHandler(QtMsgType, const char *); -//! [7] - - -//! [8] -qint64 value = Q_INT64_C(932838457459459); -//! [8] - - -//! [9] -quint64 value = Q_UINT64_C(932838457459459); -//! [9] - - -//! [10] -myValue = -4 -absoluteValue = qAbs(myValue) -// absoluteValue == 4 -//! [10] - - -//! [11] -valueA = 2.3 -valueB = 2.7 - -roundedValueA = qRound(valueA) -// roundedValueA = 2 -roundedValueB = qRound(valueB) -// roundedValueB = 3 -//! [11] - - -//! [12] -valueA = 42949672960.3 -valueB = 42949672960.7 - -roundedValueA = qRound(valueA) -// roundedValueA = 42949672960 -roundedValueB = qRound(valueB) -// roundedValueB = 42949672961 -//! [12] - - -//! [13] -myValue = 6 -yourValue = 4 - -minValue = qMin(myValue, yourValue) -// minValue == yourValue -//! [13] - - -//! [14] -myValue = 6 -yourValue = 4 - -maxValue = qMax(myValue, yourValue) -// maxValue == myValue -//! [14] - - -//! [15] -myValue = 10 -minValue = 2 -maxValue = 6 - -boundedValue = qBound(minValue, myValue, maxValue) -// boundedValue == 6 -//! [15] - - -//! [16] -#if QT_VERSION >= 0x040100 - QIcon icon = style()->standardIcon(QStyle::SP_TrashIcon); -#else - QPixmap pixmap = style()->standardPixmap(QStyle::SP_TrashIcon); - QIcon icon(pixmap); -#endif -//! [16] - - -//! [17] -// File: div.cpp - -#include - -int divide(int a, int b) -{ - Q_ASSERT(b != 0); - return a / b; -} -//! [17] - - -//! [18] -ASSERT: "b == 0" in file div.cpp, line 7 -//! [18] - - -//! [19] -// File: div.cpp - -#include - -int divide(int a, int b) -{ - Q_ASSERT_X(b != 0, "divide", "division by zero"); - return a / b; -} -//! [19] - - -//! [20] -ASSERT failure in divide: "division by zero", file div.cpp, line 7 -//! [20] - - -//! [21] -int *a; - -Q_CHECK_PTR(a = new int[80]); // WRONG! - -a = new (nothrow) int[80]; // Right -Q_CHECK_PTR(a); -//! [21] - - -//! [22] -template -const TInputType &myMin(const TInputType &value1, const TInputType &value2) -{ - qDebug() << Q_FUNC_INFO << "was called with value1:" << value1 << "value2:" << value2; - - if(value1 < value2) - return value1; - else - return value2; -} -//! [22] - - -//! [23] -#include -#include -#include - -void myMessageOutput(QtMsgType type, const char *msg) -{ - switch (type) { - case QtDebugMsg: - fprintf(stderr, "Debug: %s\n", msg); - break; - case QtWarningMsg: - fprintf(stderr, "Warning: %s\n", msg); - break; - case QtCriticalMsg: - fprintf(stderr, "Critical: %s\n", msg); - break; - case QtFatalMsg: - fprintf(stderr, "Fatal: %s\n", msg); - abort(); - } -} - -int main(int argc, char **argv) -{ - qInstallMsgHandler(myMessageOutput); - QApplication app(argc, argv); - ... - return app.exec(); -} -//! [23] - - -//! [24] -qDebug("Items in list: %d", myList.size()); -//! [24] - - -//! [25] -qDebug() << "Brush:" << myQBrush << "Other value:" << i; -//! [25] - - -//! [26] -void f(int c) -{ - if (c > 200) - qWarning("f: bad argument, c == %d", c); -} -//! [26] - - -//! [27] -qWarning() << "Brush:" << myQBrush << "Other value:" -<< i; -//! [27] - - -//! [28] -void load(const QString &fileName) -{ - QFile file(fileName); - if (!file.exists()) - qCritical("File '%s' does not exist!", qPrintable(fileName)); -} -//! [28] - - -//! [29] -qCritical() << "Brush:" << myQBrush << "Other -value:" << i; -//! [29] - - -//! [30] -int divide(int a, int b) -{ - if (b == 0) // program error - qFatal("divide: cannot divide by zero"); - return a / b; -} -//! [30] - - -//! [31] -forever { - ... -} -//! [31] - - -//! [32] -CONFIG += no_keywords -//! [32] - - -//! [33] -CONFIG += no_keywords -//! [33] - - -//! [34] -QString FriendlyConversation::greeting(int type) -{ -static const char *greeting_strings[] = { - QT_TR_NOOP("Hello"), - QT_TR_NOOP("Goodbye") -}; -return tr(greeting_strings[type]); -} -//! [34] - - -//! [35] -static const char *greeting_strings[] = { - QT_TRANSLATE_NOOP("FriendlyConversation", "Hello"), - QT_TRANSLATE_NOOP("FriendlyConversation", "Goodbye") -}; - -QString FriendlyConversation::greeting(int type) -{ - return tr(greeting_strings[type]); -} - -QString global_greeting(int type) -{ - return qApp->translate("FriendlyConversation", - greeting_strings[type]); -} -//! [35] - - -//! [36] - -static { const char *source; const char *comment; } greeting_strings[] = -{ - QT_TRANSLATE_NOOP3("FriendlyConversation", "Hello", - "A really friendly hello"), - QT_TRANSLATE_NOOP3("FriendlyConversation", "Goodbye", - "A really friendly goodbye") -}; - -QString FriendlyConversation::greeting(int type) -{ - return tr(greeting_strings[type].source, - greeting_strings[type].comment); -} - -QString global_greeting(int type) -{ - return qApp->translate("FriendlyConversation", - greeting_strings[type].source, - greeting_strings[type].comment); -} -//! [36] - - -//! [37] -qWarning("%s: %s", qPrintable(key), qPrintable(value)); -//! [37] - - -//! [38] -struct Point2D -{ - int x; - int y; -}; - -Q_DECLARE_TYPEINFO(Point2D, Q_PRIMITIVE_TYPE); -//! [38] - - -//! [39] -class Point2D -{ -public: - Point2D() { data = new int[2]; } - Point2D(const Point2D &other) { ... } - ~Point2D() { delete[] data; } - - Point2D &operator=(const Point2D &other) { ... } - - int x() const { return data[0]; } - int y() const { return data[1]; } - -private: - int *data; -}; - -Q_DECLARE_TYPEINFO(Point2D, Q_MOVABLE_TYPE); -//! [39] - - -//! [40] -#if Q_BYTE_ORDER == Q_BIG_ENDIAN -... -#endif - -or - -#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN -... -#endif - -//! [40] - - -//! [41] - -#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN -... -#endif - -//! [41] - - -//! [42] -#if Q_BYTE_ORDER == Q_BIG_ENDIAN -... -#endif - -//! [42] - -//! [begin namespace macro] -namespace QT_NAMESPACE { -//! [begin namespace macro] - -//! [end namespace macro] -} -//! [end namespace macro] - -//! [43] -class MyClass : public QObject -{ - - private: - Q_DISABLE_COPY(MyClass) -}; - -//! [43] - -//! [44] -class MyClass : public QObject -{ - - private: - MyClass(const MyClass &); - MyClass &operator=(const MyClass &); -}; -//! [44] - -//! [45] - w = QWidget() -//! [45] - -//! [46] - // Instead of comparing with 0.0 - qFuzzyCompare(0.0,1.0e-200); // This will return false - // Compare adding 1 to both values will fix the problem - qFuzzyCompare(1 + 0.0, 1 + 1.0e-200); // This will return true -//! [46] - -- cgit v1.2.3