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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 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 http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QByteArray>
#include <QtCore/QDir>
#include <QtCore/QLibraryInfo>
#include <QtCore/QProcess>
#include <QtGui/QMessageBox>
#include "assistant.h"
Assistant::Assistant()
: proc(0)
{
}
//! [0]
Assistant::~Assistant()
{
if (proc && proc->state() == QProcess::Running) {
proc->terminate();
proc->waitForFinished(3000);
}
delete proc;
}
//! [0]
//! [1]
void Assistant::showDocumentation(const QString &page)
{
if (!startAssistant())
return;
QByteArray ba("SetSource ");
ba.append("qthelp://com.trolltech.examples.simpletextviewer/doc/");
proc->write(ba + page.toLocal8Bit() + '\0');
}
//! [1]
//! [2]
bool Assistant::startAssistant()
{
if (!proc)
proc = new QProcess();
if (proc->state() != QProcess::Running) {
QString app = QLibraryInfo::location(QLibraryInfo::BinariesPath) + QDir::separator();
#if !defined(Q_OS_MAC)
app += QLatin1String("assistant");
#else
app += QLatin1String("Assistant.app/Contents/MacOS/Assistant");
#endif
QStringList args;
args << QLatin1String("-collectionFile")
<< QLibraryInfo::location(QLibraryInfo::ExamplesPath)
+ QLatin1String("/help/simpletextviewer/documentation/simpletextviewer.qhc")
<< QLatin1String("-enableRemoteControl");
proc->start(app, args);
if (!proc->waitForStarted()) {
QMessageBox::critical(0, QObject::tr("Simple Text Viewer"),
QObject::tr("Unable to launch Qt Assistant (%1)").arg(app));
return false;
}
}
return true;
}
//! [2]
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