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Diffstat (limited to 'examples/help/simpletextviewer/assistant.cpp')
-rw-r--r-- | examples/help/simpletextviewer/assistant.cpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/examples/help/simpletextviewer/assistant.cpp b/examples/help/simpletextviewer/assistant.cpp new file mode 100644 index 0000000..b6fb88a --- /dev/null +++ b/examples/help/simpletextviewer/assistant.cpp @@ -0,0 +1,110 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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] |