Switch

Object Hierarchy:

Description:

switch
╰── slider

public class Application : Gtk.Window {
	public Application () {
		// Prepare Gtk.Window:
		this.title = "My Gtk.Switch";
		this.window_position = Gtk.WindowPosition.CENTER;
		this.destroy.connect (Gtk.main_quit);

		// The button:
		Gtk.Switch _switch = new Gtk.Switch ();
		this.add (_switch);

		_switch.notify["active"].connect (() => {
			if (_switch.active) {
				print ("The switch is on!\n");
			} else {
				print ("The switch is off!\n");
			}
		});

		// Changes the state to on:
		_switch.set_active (true);
	}

	public static int main (string[] args) {
		Gtk.init (ref args);

		Application app = new Application ();
		app.show_all ();
		Gtk.main ();
		return 0;
	}
}

valac --pkg gtk+-3.0 Gtk.Switch.vala

Content:

Properties:

• public bool active { get; set; }
  Whether the Switch widget is in its on or off state.
• public bool state { get; set; }
  The backend state that is controlled by the switch.

Creation methods:

• public Switch ()
  Creates a new Switch widget.

Methods:

• public bool get_active ()
  Gets whether the Switch is in its “on” or “off” state.
• public bool get_state ()
  Gets the underlying state of the Switch.
• public void set_active (bool is_active)
  Changes the state of this to the desired one.
• public void set_state (bool state)
  Sets the underlying state of the Switch.

Signals:

• public virtual signal void activate ()
  The activate signal on GtkSwitch is an action signal and emitting it causes the switch to animate.
• public virtual signal bool state_set (bool state)
  The state_set signal on GtkSwitch is emitted to change the underlying state.

Inherited Members: