/* A window in the application. */

class MyWindow : Gtk.ApplicationWindow {

	/* Constructor */

	internal MyWindow (MyApplication app) {

		Object (application: app, title: "What is your name?");

		var name_box = new Gtk.Entry ();

		/* Connect to the signal handler. */

		name_box.activate.connect (this.on_activate);

		name_box.show ();

		this.set_default_size (300, 100);

		this.border_width = 10;

		/* Add the name_box to this window. */

		this.add (name_box);

	}

	/* Signal handler (aka. callback function) for the 'activate'

	 * signal of a Gtk.Entry.

	 */

	void on_activate (Gtk.Entry entry) {

		name = entry.get_text ();

		print ("\nHello " + name + "!\n\n");

	}

}

/* This is the application. */

class MyApplication : Gtk.Application {

	/* Constructor for the application. */

	internal MyApplication () {

		Object (application_id: "org.example.MyApplication");

	}

	/* Override the 'activate' signal of GLib.Application. */

	protected override void activate () {

		/* Create a new window for this application

		 * and show it. */

		new MyWindow (this).show ();

	}

}

/* The main function creates and runs the application. */

int main (string[] args) {

	return new MyApplication ().run (args);

}