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     2 **

     3 ** Copyright (C) 2009 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.

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     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

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    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

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    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.

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

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

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    36 **

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    38 ** $QT_END_LICENSE$

    39 **

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

    41 

    42 #include <QtGui>

    43 

    44 #include "mainwindow.h"

    45 

    46 MainWindow::MainWindow(QWidget *parent)

    47     : QMainWindow(parent)

    48 {

    49     setWindowTitle("Dock Widgets");

    50 

    51     setupDockWindow();

    52     setupContents();

    53     setupMenus();

    54 

    55     textBrowser = new QTextBrowser(this);

    56 

    57     connect(headingList, SIGNAL(itemClicked(QListWidgetItem *)),

    58             this, SLOT(updateText(QListWidgetItem *)));

    59 

    60     updateText(headingList->item(0));

    61     headingList->setCurrentRow(0);

    62     setCentralWidget(textBrowser);

    63 }

    64 

    65 void MainWindow::setupContents()

    66 {

    67     QFile titlesFile(":/Resources/titles.txt");

    68     titlesFile.open(QFile::ReadOnly);

    69     int chapter = 0;

    70 

    71     do {

    72         QString line = titlesFile.readLine().trimmed();

    73         QStringList parts = line.split("\t", QString::SkipEmptyParts);

    74         if (parts.size() != 2)

    75             break;

    76 

    77         QString chapterTitle = parts[0];

    78         QString fileName = parts[1];

    79 

    80         QFile chapterFile(fileName);

    81 

    82         chapterFile.open(QFile::ReadOnly);

    83         QListWidgetItem *item = new QListWidgetItem(chapterTitle, headingList);

    84         item->setData(Qt::DisplayRole, chapterTitle);

    85         item->setData(Qt::UserRole, chapterFile.readAll());

    86         item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);

    87         chapterFile.close();

    88 

    89         chapter++;

    90     } while (titlesFile.isOpen());

    91 

    92     titlesFile.close();

    93 }

    94 

    95 void MainWindow::setupDockWindow()

    96 {

    97 //! [0]

    98     contentsWindow = new QDockWidget(tr("Table of Contents"), this);

    99     contentsWindow->setAllowedAreas(Qt::LeftDockWidgetArea

   100                                   | Qt::RightDockWidgetArea);

   101     addDockWidget(Qt::LeftDockWidgetArea, contentsWindow);

   102 

   103     headingList = new QListWidget(contentsWindow);

   104     contentsWindow->setWidget(headingList);

   105 //! [0]

   106 }

   107 

   108 void MainWindow::setupMenus()

   109 {

   110     QAction *exitAct = new QAction(tr("E&xit"), this);

   111     exitAct->setShortcut(tr("Ctrl+Q"));

   112     exitAct->setStatusTip(tr("Exit the application"));

   113     connect(exitAct, SIGNAL(triggered()), qApp, SLOT(closeAllWindows()));

   114 

   115     QMenu *fileMenu = menuBar()->addMenu(tr("&File"));

   116     fileMenu->addAction(exitAct);

   117 }

   118 

   119 void MainWindow::updateText(QListWidgetItem *item)

   120 {

   121     QString text = item->data(Qt::UserRole).toString();

   122     textBrowser->setHtml(text);

   123 }