EventControllerFocus

Object Hierarchy:

Description:

[ CCode ( type_id = "gtk_event_controller_focus_get_type ()" ) ]
public sealed class EventControllerFocus : EventController

Tracks keyboard focus.

The event controller offers [signal@Gtk.EventControllerFocus:GtkEventControllerFocus:enter] and [signal@Gtk.EventControllerFocus: GtkEventControllerFocus:leave] signals, as well as [property@Gtk.EventControllerFocus:is-focus] and [ property@Gtk.EventControllerFocus:contains-focus] properties which are updated to reflect focus changes inside the widget hierarchy that is rooted at the controllers widget.

Namespace: Gtk

Package: gtk4

Content:

Properties:

public bool contains_focus { get; }
true if focus is contained in the controllers widget.
public bool is_focus { get; }
true if focus is in the controllers widget itself, as opposed to in a descendent widget.

Creation methods:

public EventControllerFocus ()
Creates a new event controller that will handle focus events.

Signals:

public signal void enter ()
Emitted whenever the focus enters into the widget or one of its descendents.
public signal void leave ()
Emitted whenever the focus leaves the widget hierarchy that is rooted at the widget that the controller is attached to.

Inherited Members:

All known members inherited from class Gtk.EventController

All known members inherited from class GLib.Object