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#!/usr/bin/gjs
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const Application = new Lang.Class ({
Name: 'Application',
//create the application
_init: function () {
this.application = new Gtk.Application ({
application_id: 'org.example.myapp',
flags: Gio.ApplicationFlags.FLAGS_NONE
});
//connect to 'activate' and 'startup' signals to the callback functions
this.application.connect('activate', Lang.bind(this, this._onActivate));
this.application.connect('startup', Lang.bind(this, this._onStartup));
},
//create the UI (in this case it's just the ApplicationWindow
_buildUI: function () {
this._window = new Gtk.ApplicationWindow ({ application: this.application,
window_position: Gtk.WindowPosition.CENTER,
title: "Welcome to GNOME" });
//uncommenting the line below will change the window size
//this._window.set_default_size(600, 400);
//show the window and all child widgets (none in this case)
this._window.show_all();
},
//callback function for 'activate' signal
_onActivate: function () {
this._window.present ();
},
//callback function for 'startup' signal
_onStartup: function () {
this._buildUI ();
}
});
//run the application
let app = new Application ();
app.application.run (ARGV);
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