- o -

• objectName : QObject
• offset : QGraphicsDropShadowEffect, QGraphicsVideoItem, QPanGesture
• okButtonText : QInputDialog
• opacity : QGraphicsObject, QGraphicsOpacityEffect, QWindow
• opacityMask : QGraphicsOpacityEffect
• opaqueResize : QSplitter
• openExternalLinks : QGraphicsTextItem, QLabel, QTextBrowser
• openLinks : QTextBrowser
• opticalZoom : QCameraFocus
• optimizationFlags : QGraphicsView
• options : QColorDialog, QFileDialog, QFontDialog, QInputDialog, QPrintDialog, QWizard
• organizationDomain : QCoreApplication
• organizationName : QCoreApplication
• orientation : QAbstractSlider, QDataWidgetMapper, QDialogButtonBox, QProgressBar, QScreen, QSplitter, QToolBar
• origin : QGraphicsRotation, QGraphicsScale
• outputDevice : QSvgGenerator
• outputLocation : QMediaRecorder
• overwriteMode : QPlainTextEdit, QTextEdit