/**************************************************************************** ** ** 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 #include #include #include #include #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() + '\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("/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]