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#!/usr/bin/gjs
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
// We start out with 0 cookies
var cookies = 0;
const GettingTheSignal = new Lang.Class({
Name: 'Getting the Signal',
// Create the application itself
_init: function() {
this.application = new Gtk.Application();
// 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 window when active
_onActivate: function() {
this._window.present();
},
// Callback function for 'startup' signal 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,
default_height: 200,
default_width: 400,
border_width: 20,
title: "Choose the one that says 'cookie'!"});
// Create the radio buttons
this._cookieRadio = new Gtk.RadioButton ({ label: "Cookie" });
this._notCookieOne = new Gtk.RadioButton ({ label: "Not cookie",
group: this._cookieRadio });
this._notCookieTwo = new Gtk.RadioButton ({ label: "Not cookie",
group: this._cookieRadio });
// Arrange the radio buttons in their own grid
this._radioGrid = new Gtk.Grid ();
this._radioGrid.attach (this._notCookieOne, 0, 0, 1, 1);
this._radioGrid.attach (this._cookieRadio, 0, 1, 1, 1);
this._radioGrid.attach (this._notCookieTwo, 0, 2, 1, 1);
// Set the button that will be at the top to be active by default
this._notCookieOne.set_active (true);
// Create the cookie button
this._cookieButton = new Gtk.Button ({
label: "Get a cookie" });
// Connect the cookie button to the function that handles clicking it
this._cookieButton.connect ('clicked', Lang.bind (this, this._getACookie));
// Create the label
this._cookieLabel = new Gtk.Label ({
label: "Number of cookies: " + cookies });
// Create a grid to arrange everything inside
this._grid = new Gtk.Grid ({
halign: Gtk.Align.CENTER,
valign: Gtk.Align.CENTER,
row_spacing: 20 });
// Put everything inside the grid
this._grid.attach (this._radioGrid, 0, 0, 1, 1);
this._grid.attach (this._cookieButton, 0, 1, 1, 1);
this._grid.attach (this._cookieLabel, 0, 2, 1, 1);
// Add the grid to the window
this._window.add (this._grid);
// Show the window and all child widgets
this._window.show_all();
},
_getACookie: function() {
// Did you select "cookie" instead of "not cookie"?
if (this._cookieRadio.get_active()) {
// Increase the number of cookies by 1 and update the label
cookies++;
this._cookieLabel.set_label ("Number of cookies: " + cookies);
}
}
});
// Run the application
let app = new GettingTheSignal ();
app.application.run (ARGV);
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