Gtk.Widget::focus-out-event

function callback(widget, event:Gdk.EventFocus, ):Boolean;

The ::focus-out-event signal will be emitted when the keyboard focus leaves the @widget's window.

To receive this signal, the Gdk.Window associated to the widget needs to enable the #GDK_FOCUS_CHANGE_MASK mask.

widget

instance of Gtk.Widget that is emitting the signal

event

the Gdk.EventFocus which triggered this signal.

Returns

true to stop other handlers from being invoked for the event. false to propagate the event further.