/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the documentation of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ //! [0] foreach (variable, container) statement; //! [0] //! [1] QList list; ... foreach (QString str, list) cout << str.ascii() << endl; //! [1] //! [2] QString str; foreach (str, list) cout << str.ascii() << endl; //! [2] //! [3] // forward // backward QList list; QList list; ... ... QListIterator i(list); QListIterator i(list); while (i.hasNext()) i.toBack(); cout << i.next().ascii() << endl; while (i.hasPrev()) cout << i.prev().ascii() << endl; //! [3] //! [4] // forward // backward QMutableListIterator i(list); QMutableListIterator i(list); while (i.hasNext()) i.toBack(); if (i.next() > 128) while (i.hasPrev()) i.setValue(128); if (i.prev() > 128) i.setValue(128); //! [4] //! [5] // forward // backward QMutableListIterator i(list); QMutableListIterator i(list); while (i.hasNext()) i.toBack(); if (i.next() % 2 != 0) while (i.hasPrev()) i.remove(); if (i.prev() % 2 != 0) i.remove(); //! [5] //! [6] // STL-style // Java-style QMap::const_iterator i; QMapIterator i(map); for (i = map.begin(); i != map.end(); ++i) while (i.findNext(widget)) if (i.value() == widget) cout << "Found widget " << widget cout << "Found widget " << widget << " under key " << " under key " << i.key() << endl; << i.key() << endl; //! [6] //! [7] // STL-style // Java-style QList::iterator i = list.begin(); QMutableListIterator i(list); while (i != list.end()) { while (i.hasNext()) { if (*i == 0) { int val = i.next(); i = list.erase(i); if (val < 0) } else { i.setValue(-val); if (*i < 0) else if (val == 0) *i = -*i; i.remove(); ++i; } } } //! [7] //! [8] QList list; ... for (int i = 0; i < list.size(); ++i) { if (list[i] < 0.0) list[i] = 0.0; } //! [8] //! [9] QMap map; ... map.value("TIMEOUT", 30); // returns 30 if "TIMEOUT" isn't in the map //! [9] //! [10] QMultiMap map; ... QList values = map.values("TIMEOUT"); //! [10]