on_focus

zng_wgt_input::focus

Function on_focus 

Source 
pub fn on_focus(
    child: impl IntoUiNode,
    handler: Handler<FocusChangedArgs>,
) -> UiNode
Expand description

P Widget got direct keyboard focus.

§Preview

You can preview this event using on_pre_focus. Otherwise the handler is only called after the widget content has a chance to stop propagation.

§Async

You can use async event handlers with this property.