The QtHelp module contains classes to enable developers to include online help and documentation in their applications.
QCompressedHelpInfo
QHelpEngine
QHelpIndexModel
QHelpSearchQueryWidget
QHelpContentItem
QHelpEngineCore
QHelpIndexWidget
QHelpSearchResult
QHelpContentModel
QHelpFilterData
QHelpSearchEngine
QHelpSearchResultWidget
QHelpContentWidget
QHelpFilterEngine
QHelpSearchQuery