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/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** 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 have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QHash>
#include <QMainWindow>
#include <QTextDocumentFragment>
class QAction;
class QTextDocument;
class QTextEdit;
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
MainWindow();
public slots:
void openFile();
void printFile();
void printPdf();
private:
QAction *printAction;
QAction *pdfPrintAction;
QString currentFile;
QTextEdit *editor;
QTextDocument *document;
};
#endif
#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()
{
QTextDocument *document = editor->document();
QPrinter printer;
QPrintDialog *dlg = new QPrintDialog(&printer, this);
if (dlg->exec() != QDialog::Accepted)
return;
document->print(&printer);
}
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);
}
#include <QtGui>
#include "mainwindow.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MainWindow *window = new MainWindow;
window->resize(640, 480);
window->show();
return app.exec();
}
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