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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "assistant.h"
#include <QByteArray>
#include <QDir>
#include <QLibraryInfo>
#include <QMessageBox>
#include <QProcess>
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://org.qt-project.examples.simpletextviewer/doc/");
proc->write(ba + page.toLocal8Bit() + '\n');
}
//! [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("/assistant/simpletextviewer/documentation/simpletextviewer.qhc")
<< QLatin1String("-enableRemoteControl");
proc->start(app, args);
if (!proc->waitForStarted()) {
QMessageBox::critical(nullptr, QObject::tr("Simple Text Viewer"),
QObject::tr("Unable to launch Qt Assistant (%1)").arg(app));
return false;
}
}
return true;
}
//! [2]
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