Sets whether the indicator of self is activatable.
If set to TRUE, signalTabView::indicator-activated will be emitted when the indicator icon is clicked.
If propertyTabPage:indicator-icon is not set, does nothing.
whether the indicator is activatable
Sets whether the indicator of self is activatable.
If set to TRUE, signalTabView::indicator-activated will be emitted when the indicator icon is clicked.
If propertyTabPage:indicator-icon is not set, does nothing.