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/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the example classes of the Qt Toolkit.
**
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
** exception, Nokia gives you certain additional rights. These rights
** are described in the Nokia Qt GPL Exception version 1.3, included in
** the file GPL_EXCEPTION.txt in this package.
**
** Qt for Windows(R) Licensees
** As a special exception, Nokia, as the sole copyright holder for Qt
** Designer, grants users of the Qt/Eclipse Integration plug-in the
** right for the Qt/Eclipse Integration to link to functionality
** provided by Qt Designer and its related libraries.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
****************************************************************************/
#include <QtCore/QProcess>
#include <QtCore/QTextStream>
#include <QtCore/QLibraryInfo>
#include <QtCore/QDir>
#include <QtGui/QMessageBox>
#include "assistant.h"
Assistant::Assistant()
: proc(0)
{
}
//! [0]
Assistant::~Assistant()
{
if (proc && proc->state() == QProcess::Running) {
proc->terminate();
proc->waitForFinished(3000);
}
}
//! [0]
//! [1]
void Assistant::showDocumentation(const QString &page)
{
if (!startAssistant())
return;
QTextStream str(proc);
str << QLatin1String("SetSource qthelp://com.trolltech.examples.simpletextviewer/doc/")
<< page << QLatin1Char('\0') << endl;
}
//! [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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