#!/usr/bin/gjs

imports.gi.versions.Gtk = '3.0';

const Gtk = imports.gi.Gtk;

class HelloWorld {

    constructor() {

        this.application = new Gtk.Application();

        this.application.connect('activate', this._onActivate.bind(this));

        this.application.connect('startup', this._onStartup.bind(this));

    }

    _onActivate() {

        this._window.show_all();

    }

    _onStartup() {

        let builder = new Gtk.Builder();

        builder.add_from_file('tour.glade');

        this._window = builder.get_object('window1');

        this.application.add_window(this._window);

    }

};

let app = new HelloWorld();

app.application.run(ARGV);