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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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    38 ** $QT_END_LICENSE$

    39 **

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

    41 

    42 #include <QtGui>

    43 

    44 #include "mainwindow.h"

    45 

    46 MainWindow::MainWindow()

    47 {

    48     QMenu *fileMenu = new QMenu(tr("&File"));

    49 

    50     fileMenu->addAction(tr("&Open..."), this, SLOT(openFile()),

    51                         QKeySequence(tr("Ctrl+O", "File|Open")));

    52 

    53     printAction = fileMenu->addAction(tr("&Print..."), this, SLOT(printFile()));

    54     printAction->setEnabled(false);

    55 

    56     pdfPrintAction = fileMenu->addAction(tr("Print as P&DF..."), this, SLOT(printPdf()));

    57     pdfPrintAction->setEnabled(false);

    58 

    59     fileMenu->addAction(tr("E&xit"), this, SLOT(close()),

    60                         QKeySequence(tr("Ctrl+Q", "File|Exit")));

    61 

    62     menuBar()->addMenu(fileMenu);

    63 

    64     editor = new QTextEdit(this);

    65     document = new QTextDocument(this);

    66     editor->setDocument(document);

    67 

    68     connect(editor, SIGNAL(selectionChanged()), this, SLOT(updateMenus()));

    69 

    70     setCentralWidget(editor);

    71     setWindowTitle(tr("Text Document Writer"));

    72 }

    73 

    74 void MainWindow::openFile()

    75 {

    76     QString fileName = QFileDialog::getOpenFileName(this,

    77         tr("Open file"), currentFile, "HTML files (*.html);;Text files (*.txt)");

    78     

    79     if (!fileName.isEmpty()) {

    80         QFileInfo info(fileName);

    81         if (info.completeSuffix() == "html") {

    82             QFile file(fileName);

    83             

    84             if (file.open(QIODevice::ReadOnly)) {

    85                 editor->setHtml(file.readAll());

    86                 file.close();

    87                 currentFile = fileName;

    88             }

    89         } else if (info.completeSuffix() == "txt") {

    90             QFile file(fileName);

    91             

    92             if (file.open(QIODevice::ReadOnly)) {

    93                 editor->setPlainText(file.readAll());

    94                 file.close();

    95                 currentFile = fileName;

    96             }

    97         }

    98         printAction->setEnabled(true);

    99         pdfPrintAction->setEnabled(true);

   100     }

   101 }

   102 

   103 void MainWindow::printFile()

   104 {

   105 //! [0]

   106     QTextDocument *document = editor->document();

   107     QPrinter printer;

   108 

   109     QPrintDialog *dlg = new QPrintDialog(&printer, this);

   110     if (dlg->exec() != QDialog::Accepted)

   111         return;

   112 

   113     document->print(&printer);

   114 //! [0]

   115 }

   116 

   117 void MainWindow::printPdf()

   118 {

   119     QPrinter printer(QPrinter::HighResolution);

   120     printer.setOutputFormat(QPrinter::PdfFormat);

   121 

   122     QPrintDialog *printDialog = new QPrintDialog(&printer, this);

   123     if (printDialog->exec() == QDialog::Accepted)

   124         editor->document()->print(&printer);

   125 }