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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtCore/QFileInfo>
#include <QtCore/QLibraryInfo>
#include <QtCore/QStandardPaths>
#include <QtWidgets/QApplication>
#include <QtHelp/QHelpEngineCore>
#include "helpbrowser.h"
#include "qhelplink.h"
using namespace Qt::StringLiterals;
static QString documentationDirectory()
{
QStringList paths;
#ifdef SRCDIR
paths.append(QLatin1StringView(SRCDIR));
#endif
paths.append(QLibraryInfo::path(QLibraryInfo::ExamplesPath));
paths.append(QCoreApplication::applicationDirPath());
paths.append(QStandardPaths::standardLocations(QStandardPaths::AppDataLocation));
for (const auto &dir : std::as_const(paths)) {
const QString path = dir + "/docs"_L1;
if (QFileInfo::exists(path))
return path;
}
return {};
}
HelpBrowser::HelpBrowser(QWidget *parent)
: QTextBrowser(parent)
{
const QString collectionFile = documentationDirectory() + "/wateringmachine.qhc"_L1;
m_helpEngine = new QHelpEngineCore(collectionFile, this);
if (!m_helpEngine->setupData()) {
delete m_helpEngine;
m_helpEngine = nullptr;
}
}
void HelpBrowser::showHelpForKeyword(const QString &id)
{
if (m_helpEngine) {
QList<QHelpLink> documents = m_helpEngine->documentsForIdentifier(id);
if (documents.count())
setSource(documents.first().url);
}
}
QVariant HelpBrowser::loadResource(int type, const QUrl &name)
{
QByteArray ba;
if (type < 4 && m_helpEngine) {
QUrl url(name);
if (name.isRelative())
url = source().resolved(url);
ba = m_helpEngine->fileData(url);
}
return ba;
}
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