[ Version ( deprecated = true , deprecated_since = "2.9.4" ) ]
public virtual signal void focus_event (bool focus_in)
Warning: focus_event is deprecated since 2.9.4.
The signal "focus-event" is emitted when an object gained or lost focus.
Use the state_change signal instead.
| arg1 |
a boolean value which indicates whether the object gained or lost focus. |