diff options
Diffstat (limited to 'src/corelib/doc/snippets/code/doc_src_qiterator.cpp')
| -rw-r--r-- | src/corelib/doc/snippets/code/doc_src_qiterator.cpp | 160 |
1 files changed, 72 insertions, 88 deletions
diff --git a/src/corelib/doc/snippets/code/doc_src_qiterator.cpp b/src/corelib/doc/snippets/code/doc_src_qiterator.cpp index 265e4a724a..0d921b87e6 100644 --- a/src/corelib/doc/snippets/code/doc_src_qiterator.cpp +++ b/src/corelib/doc/snippets/code/doc_src_qiterator.cpp @@ -1,59 +1,12 @@ -/**************************************************************************** -** -** 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] QList<float> list; ... QListIterator<float> i(list); while (i.hasNext()) - qDebug() << i.next(); + float f = i.next(); //! [0] @@ -61,7 +14,7 @@ while (i.hasNext()) QListIterator<float> i(list); i.toBack(); while (i.hasPrevious()) - qDebug() << i.previous(); + float f = i.previous(); //! [1] //! [6] @@ -69,24 +22,15 @@ QSet<QString> set; ... QSetIterator<QString> i(set); while (i.hasNext()) - qDebug() << i.next(); + float f = i.next(); //! [6] - -//! [7] -QSetIterator<QString> i(set); -i.toBack(); -while (i.hasPrevious()) - qDebug() << i.previous(); -//! [7] - - //! [8] QList<float> list; ... QMutableListIterator<float> i(list); while (i.hasNext()) - qDebug() << i.next(); + float f = i.next(); //! [8] @@ -94,7 +38,7 @@ while (i.hasNext()) QMutableListIterator<float> i(list); i.toBack(); while (i.hasPrevious()) - qDebug() << i.previous(); + float f = i.previous(); //! [9] @@ -115,18 +59,9 @@ QSet<float> set; ... QMutableSetIterator<float> i(set); while (i.hasNext()) - qDebug() << i.next(); + float f = i.next(); //! [17] - -//! [18] -QMutableSetIterator<float> i(set); -i.toBack(); -while (i.hasPrevious()) - qDebug() << i.previous(); -//! [18] - - //! [19] QMutableListIterator<int> i(list); while (i.hasNext()) { @@ -183,26 +118,45 @@ while (i.findNext(widget)) { } //! [28] - -//! [29] -QHash<int, QWidget *> hash; +//! [26multi] +QMultiMap<int, QWidget *> multimap; ... -QHashIterator<int, QWidget *> i(hash); +QMultiMapIterator<int, QWidget *> i(multimap); while (i.hasNext()) { i.next(); qDebug() << i.key() << ": " << i.value(); } -//! [29] +//! [26multi] -//! [30] -QHashIterator<int, QWidget *> i(hash); +//! [27multi] +QMultiMapIterator<int, QWidget *> i(multimap); i.toBack(); while (i.hasPrevious()) { i.previous(); qDebug() << i.key() << ": " << i.value(); } -//! [30] +//! [27multi] + + +//! [28multi] +QMultiMapIterator<int, QWidget *> i(multimap); +while (i.findNext(widget)) { + qDebug() << "Found widget " << widget << " under key " + << i.key(); +} +//! [28multi] + + +//! [29] +QHash<int, QWidget *> hash; +... +QHashIterator<int, QWidget *> i(hash); +while (i.hasNext()) { + i.next(); + qDebug() << i.key() << ": " << i.value(); +} +//! [29] //! [31] @@ -254,25 +208,55 @@ while (i.hasNext()) { //! [35] -//! [36] -QHash<int, QWidget *> hash; +//! [32multi] +QMultiMap<int, QWidget *> multimap; ... -QMutableHashIterator<QString, QWidget *> i(hash); +QMutableMultiMapIterator<int, QWidget *> i(multimap); while (i.hasNext()) { i.next(); qDebug() << i.key() << ": " << i.value(); } -//! [36] +//! [32multi] -//! [37] -QMutableHashIterator<int, QWidget *> i(hash); +//! [33multi] +QMutableMultiMapIterator<int, QWidget *> i(multimap); i.toBack(); while (i.hasPrevious()) { i.previous(); qDebug() << i.key() << ": " << i.value(); } -//! [37] +//! [33multi] + + +//! [34multi] +QMutableMultiMapIterator<int, QWidget *> i(multimap); +while (i.findNext(widget)) { + qDebug() << "Found widget " << widget << " under key " + << i.key(); +} +//! [34multi] + + +//! [35multi] +QMutableMultiMapIterator<QString, QString> i(multimap); +while (i.hasNext()) { + i.next(); + if (i.key() == i.value()) + i.remove(); +} +//! [35multi] + + +//! [36] +QHash<int, QWidget *> hash; +... +QMutableHashIterator<QString, QWidget *> i(hash); +while (i.hasNext()) { + i.next(); + qDebug() << i.key() << ": " << i.value(); +} +//! [36] //! [38] |