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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();
},
_showNew: function() {
print ("This doesn't do anything. It is only a demonstration.");
},
_showAbout: function() {
print ("No AboutDialog here. This is only a demonstration.");
},
//create the menu items and connect the signals to the callback functions.
_initMenus: function() {
let menu = new Gio.Menu();
menu.append("New",'app.new');
menu.append("About", 'app.about');
menu.append("Quit",'app.quit');
this.application.set_app_menu(menu);
let newAction = new Gio.SimpleAction ({ name: 'new' });
newAction.connect('activate', Lang.bind(this,
function() {
this._showNew();
}));
this.application.add_action(newAction);
let aboutAction = new Gio.SimpleAction ({ name: 'about' });
aboutAction.connect('activate', Lang.bind(this,
function() {
this._showAbout();
}));
this.application.add_action(aboutAction);
let quitAction = new Gio.SimpleAction ({ name: 'quit' });
quitAction.connect('activate', Lang.bind(this,
function() {
this._window.destroy();
}));
this.application.add_action(quitAction);
},
//callback function for 'activate' signal
_onActivate: function() {
this._window.present();
},
//callback function for 'startup' signal
_onStartup: function() {
//You must call _initMenus() before calling _buildUI().
this._initMenus();
this._buildUI();
}
});
//run the application
let app = new Application ();
app.application.run (ARGV);
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