- o -

• ObjectOwnership : QDeclarativeEngine
• ObjectTypes : QTextFormat
• Op : QSqlTableModelPrivate
• OpacityMode : QGLEngineShaderManager
• OpenGLContextProfile : QGLFormat
• OpenGLFeature : QGLFunctions
• OpenGLVersionFlag : QGLFormat
• OpenModeFlag : QIODevice
• OperandsMatchMethod : QPatternist::OptimizationPass
• Operation : QHttpNetworkRequest , QMdiSubWindowPrivate , QNetworkAccessManager , QPathClipper , QTextUndoCommand , QWSWindowOperationEvent
• Operator : QPatternist::AtomicComparator , QPatternist::AtomicMathematician , QPatternist::CombineNodes , QPatternist::QuantifiedExpression
• OptimizationFlag : QGraphicsView
• Option : QDeclarativePixmap , QDeclarativeTypeLoader , QFileDialog , QGLScreen , QPatternist::TypeChecker , QScriptCompletionProviderInterface
• OptionType : QStyleOption
• OrderingEmptySequence : QPatternist::StaticContext
• OrderingMode : QPatternist::StaticContext
• Orientation : QDeclarativeListView , QGraphicsAnchorLayoutPrivate , QPrinter
• OutputFormat : QPrinter