helpbrowser.cpp Example File

contextsensitivehelp/helpbrowser.cpp
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#include <QtCore/QLibraryInfo> #include <QtWidgets/QApplication> #include <QtHelp/QHelpEngineCore> #include "helpbrowser.h" HelpBrowser::HelpBrowser(QWidget *parent) : QTextBrowser(parent) { QString collectionFile = QLibraryInfo::location(QLibraryInfo::ExamplesPath) + QLatin1String("/help/contextsensitivehelp/docs/wateringmachine.qhc"); m_helpEngine = new QHelpEngineCore(collectionFile, this); if (!m_helpEngine->setupData()) { delete m_helpEngine; m_helpEngine = 0; } } void HelpBrowser::showHelpForKeyword(const QString &id) { if (m_helpEngine) { QMap<QString, QUrl> links = m_helpEngine->linksForIdentifier(id); if (links.count()) setSource(links.constBegin().value()); } } 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; }