1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the documentation of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

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    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include <QtGui>

    43 #include <iostream>

    44 using namespace std;

    45 

    46 class Widget : public QWidget

    47 {

    48 public:

    49     Widget(QWidget *parent = 0);

    50 };

    51 

    52 Widget::Widget(QWidget *parent)

    53     : QWidget(parent)

    54 {

    55 //! [0]

    56     QStringList fonts;

    57     fonts << "Arial" << "Helvetica" << "Times" << "Courier";

    58 //! [0]

    59 

    60 //! [1]

    61     for (int i = 0; i < fonts.size(); ++i)

    62          cout << fonts.at(i).toLocal8Bit().constData() << endl;

    63 //! [1]

    64 

    65 //! [2]

    66     QStringListIterator javaStyleIterator(fonts);

    67     while (javaStyleIterator.hasNext())

    68          cout << javaStyleIterator.next().toLocal8Bit().constData() << endl;

    69 //! [2]

    70 

    71 //! [3]

    72     QStringList::const_iterator constIterator;

    73     for (constIterator = fonts.constBegin(); constIterator != fonts.constEnd();

    74            ++constIterator)

    75         cout << (*constIterator).toLocal8Bit().constData() << endl;

    76 //! [3]

    77 

    78 //! [4]

    79     QString str = fonts.join(",");

    80      // str == "Arial,Helvetica,Times,Courier"

    81 //! [4]

    82 

    83 //! [5] //! [6]

    84     QStringList list;

    85 //! [5]

    86     list = str.split(",");

    87      // list: ["Arial", "Helvetica", "Times", "Courier"]

    88 //! [6]

    89 

    90 //! [7]

    91     QStringList monospacedFonts = fonts.filter(QRegExp("Courier|Fixed"));

    92 //! [7]

    93 

    94 //! [8]

    95     QStringList files;

    96     files << "$QTDIR/src/moc/moc.y"

    97           << "$QTDIR/src/moc/moc.l"

    98           << "$QTDIR/include/qconfig.h";

    99 

   100     files.replaceInStrings("$QTDIR", "/usr/lib/qt");

   101     // files: [ "/usr/lib/qt/src/moc/moc.y", ...]

   102 //! [8]

   103 

   104     QString str1, str2, str3;

   105 //! [9]

   106     QStringList longerList = (QStringList() << str1 << str2 << str3);

   107 //! [9]

   108 

   109     list.clear();

   110 //! [10]

   111     list << "Bill Murray" << "John Doe" << "Bill Clinton";

   112 

   113 //! [11]

   114     QStringList result;

   115 //! [11]

   116     result = list.filter("Bill");

   117     // result: ["Bill Murray", "Bill Clinton"]

   118 //! [10]

   119 

   120     result.clear();

   121 //! [12]

   122     foreach (QString str, list) {

   123         if (str.contains("Bill"))

   124             result += str;

   125     }

   126 //! [12]

   127 

   128     list.clear();

   129 //! [13]

   130     list << "alpha" << "beta" << "gamma" << "epsilon";

   131     list.replaceInStrings("a", "o");

   132     // list == ["olpho", "beto", "gommo", "epsilon"]

   133 //! [13]

   134 

   135     list.clear();

   136 //! [14]

   137     list << "alpha" << "beta" << "gamma" << "epsilon";

   138     list.replaceInStrings(QRegExp("^a"), "o");

   139     // list == ["olpha", "beta", "gamma", "epsilon"]

   140 //! [14]

   141 

   142     list.clear();

   143 //! [15]

   144     list << "Bill Clinton" << "Murray, Bill";

   145     list.replaceInStrings(QRegExp("^(.*), (.*)$"), "\\2 \\1");

   146     // list == ["Bill Clinton", "Bill Murray"]

   147 //! [15]

   148 }

   149 

   150 int main(int argc, char *argv[])

   151 {

   152     QApplication app(argc, argv);

   153     Widget widget;

   154     widget.show();

   155     return app.exec();

   156 }