- o -
- off() : KLed
- offColor() : KLed
- offset() : KRuler
- okClicked() : KDialogBase
- on() : KLed , TDEToolBarButton
- opacity() : KRootPixmap
- openLink() : KActiveLabel
- openURL() : TDEAboutDialog , TDEAboutWidget
- openURLSlot() : TDEAboutDialog , TDEAboutWidget
- orientation() : KDockSplitter , KPanelApplet , KPanelExtension , KSeparator , TDESelector
- orientationChange() : KPanelApplet
- originalText() : KLineEdit
- overwrite() : KStdGuiItem