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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "mainwindow.h"
+
+MainWindow::MainWindow()
+{
+ QMenu *fileMenu = new QMenu(tr("&File"));
+
+ fileMenu->addAction(tr("&Open..."), this, SLOT(openFile()),
+ QKeySequence(tr("Ctrl+O", "File|Open")));
+
+ printAction = fileMenu->addAction(tr("&Print..."), this, SLOT(printFile()));
+ printAction->setEnabled(false);
+
+ pdfPrintAction = fileMenu->addAction(tr("Print as P&DF..."), this, SLOT(printPdf()));
+ pdfPrintAction->setEnabled(false);
+
+ fileMenu->addAction(tr("E&xit"), this, SLOT(close()),
+ QKeySequence(tr("Ctrl+Q", "File|Exit")));
+
+ menuBar()->addMenu(fileMenu);
+
+ editor = new QTextEdit(this);
+ document = new QTextDocument(this);
+ editor->setDocument(document);
+
+ connect(editor, SIGNAL(selectionChanged()), this, SLOT(updateMenus()));
+
+ setCentralWidget(editor);
+ setWindowTitle(tr("Text Document Writer"));
+}
+
+void MainWindow::openFile()
+{
+ QString fileName = QFileDialog::getOpenFileName(this,
+ tr("Open file"), currentFile, "HTML files (*.html);;Text files (*.txt)");
+
+ if (!fileName.isEmpty()) {
+ QFileInfo info(fileName);
+ if (info.completeSuffix() == "html") {
+ QFile file(fileName);
+
+ if (file.open(QIODevice::ReadOnly)) {
+ editor->setHtml(file.readAll());
+ file.close();
+ currentFile = fileName;
+ }
+ } else if (info.completeSuffix() == "txt") {
+ QFile file(fileName);
+
+ if (file.open(QIODevice::ReadOnly)) {
+ editor->setPlainText(file.readAll());
+ file.close();
+ currentFile = fileName;
+ }
+ }
+ printAction->setEnabled(true);
+ pdfPrintAction->setEnabled(true);
+ }
+}
+
+void MainWindow::printFile()
+{
+//! [0]
+ QTextDocument *document = editor->document();
+ QPrinter printer;
+
+ QPrintDialog *dlg = new QPrintDialog(&printer, this);
+ if (dlg->exec() != QDialog::Accepted)
+ return;
+
+ document->print(&printer);
+//! [0]
+}
+
+void MainWindow::printPdf()
+{
+ QPrinter printer(QPrinter::HighResolution);
+ printer.setOutputFormat(QPrinter::PdfFormat);
+
+ QPrintDialog *printDialog = new QPrintDialog(&printer, this);
+ if (printDialog->exec() == QDialog::Accepted)
+ editor->document()->print(&printer);
+}