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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 ImageExample = new Lang.Class ({
Name: 'Image Example',
/* Create the application itself
This boilerplate code is needed to build any GTK+ application. */
_init: function () {
this.application = new Gtk.Application ({
application_id: 'org.example.jsimage',
flags: Gio.ApplicationFlags.FLAGS_NONE
});
// Connect '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));
},
// Callback function for 'activate' signal presents windows when active
_onActivate: function () {
this._window.present ();
},
// Callback function for 'startup' signal initializes menus and builds the UI
_onStartup: function () {
this._buildUI ();
},
// Build the application's UI
_buildUI: function () {
// Create the application window
this._window = new Gtk.ApplicationWindow ({ application: this.application,
window_position: Gtk.WindowPosition.CENTER,
title: "Welcome to GNOME",
default_height: 300,
default_width: 300 });
// Create the label
this.jsimage = new Gtk.Image ({file: "gnome-image.png"});
this._window.add (this.jsimage);
// Show the window and all child widgets
this._window.show_all();
}
});
// Run the application
let app = new ImageExample ();
app.application.run (ARGV);
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