import sublime, sublimeplugin class toggleScrollbarPlugin(sublimeplugin.Plugin): def onActivated(self, view): verticalScrollBar = view.options().get('wantVerticalScrollBar') if view.size() == view.visibleRegion().size(): if verticalScrollBar: view.options().set('wantVerticalScrollBar', False) else: if not verticalScrollBar: view.options().set('wantVerticalScrollBar', True)