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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 examples 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 Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
#include "findfiledialog.h"
//! [0]
MainWindow::MainWindow()
{
textViewer = new QTextEdit;
textViewer->setReadOnly(true);
QFile file("documentation/intro.html");
if (file.open(QIODevice::ReadOnly))
textViewer->setHtml(file.readAll());
setCentralWidget(textViewer);
createActions();
createMenus();
initializeAssistant();
setWindowTitle(tr("Simple Text Viewer"));
resize(750, 400);
}
//! [0]
//! [1]
void MainWindow::closeEvent(QCloseEvent *)
{
if (assistantClient)
assistantClient->closeAssistant();
}
//! [1]
void MainWindow::about()
{
QMessageBox::about(this, tr("About Simple Text Viewer"),
tr("This example demonstrates how to use\n" \
"Qt Assistant as help system for your\n" \
"own application."));
}
//! [2]
void MainWindow::assistant()
{
assistantClient->showPage(QLibraryInfo::location(QLibraryInfo::ExamplesPath) +
QDir::separator() +
"assistant/simpletextviewer/documentation/index.html");
}
//! [2]
//! [3]
void MainWindow::open()
{
FindFileDialog dialog(textViewer, assistantClient);
dialog.exec();
}
//! [3]
void MainWindow::createActions()
{
assistantAct = new QAction(tr("Help Contents"), this);
assistantAct->setShortcuts(QKeySequence::HelpContents);
connect(assistantAct, SIGNAL(triggered()), this, SLOT(assistant()));
openAct = new QAction(tr("&Open..."), this);
openAct->setShortcuts(QKeySequence::Open);
connect(openAct, SIGNAL(triggered()), this, SLOT(open()));
clearAct = new QAction(tr("&Clear"), this);
clearAct->setShortcut(tr("Ctrl+C"));
connect(clearAct, SIGNAL(triggered()), textViewer, SLOT(clear()));
exitAct = new QAction(tr("E&xit"), this);
exitAct->setShortcuts(QKeySequence::Quit);
connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
aboutAct = new QAction(tr("&About"), this);
connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
aboutQtAct = new QAction(tr("About &Qt"), this);
connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
}
void MainWindow::createMenus()
{
fileMenu = new QMenu(tr("&File"), this);
fileMenu->addAction(openAct);
fileMenu->addAction(clearAct);
fileMenu->addSeparator();
fileMenu->addAction(exitAct);
helpMenu = new QMenu(tr("&Help"), this);
helpMenu->addAction(assistantAct);
helpMenu->addSeparator();
helpMenu->addAction(aboutAct);
helpMenu->addAction(aboutQtAct);
menuBar()->addMenu(fileMenu);
menuBar()->addMenu(helpMenu);
}
//! [4]
void MainWindow::initializeAssistant()
{
assistantClient = new QAssistantClient(QLibraryInfo::location(QLibraryInfo::BinariesPath), this);
QStringList arguments;
arguments << "-profile" << QString("documentation") + QDir::separator() + QString("simpletextviewer.adp");
assistantClient->setArguments(arguments);
}
//! [4]
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