commit 662620ea80582ad0d5d4dea39b01bbeaa13e5a7b
Author: Taryn Fox <jewelfox fursona net>
Date: Sun Jun 3 04:17:44 2012 -0400
tutorials <javascript>: Added Gtk.Spinner code sample and Mallard page
platform-demos/C/samples/spinner.js | 80 +++++++++++++++++++++++++++++++++++
platform-demos/C/spinner.js.page | 33 ++++++++++++++
2 files changed, 113 insertions(+), 0 deletions(-)
---
diff --git a/platform-demos/C/samples/spinner.js b/platform-demos/C/samples/spinner.js
new file mode 100644
index 0000000..affb6c1
--- /dev/null
+++ b/platform-demos/C/samples/spinner.js
@@ -0,0 +1,80 @@
+#!/usr/bin/gjs
+
+const Gio = imports.gi.Gio;
+const GLib = imports.gi.GLib;
+const Gtk = imports.gi.Gtk;
+const Gdk = imports.gi.Gdk;
+const Lang = imports.lang;
+
+const SpinnerExample = new Lang.Class ({
+ Name: 'Spinner Example',
+
+ // Create the application itself
+ _init: function () {
+ this.application = new Gtk.Application ({
+ application_id: 'org.example.jsspinner',
+ 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 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: "Spinner Example",
+ default_height: 200,
+ default_width: 200,
+ border_width: 30 });
+
+ // Create a spinner which starts spinning automatically
+ this._spinner = new Gtk.Spinner ({active: true});
+ this._window.add (this._spinner);
+
+ // Connect a keypress event to the function that makes it start or stop spinning
+ this._window.connect("key-press-event", Lang.bind(this, this._onKeyPress));
+
+ // Show the window and all child widgets
+ this._window.show_all();
+ },
+
+
+
+ _onKeyPress: function(widget, event) {
+
+ // Get the value of the key that was pressed
+ let keyval = event.get_keyval()[1];
+
+ // If it was the spacebar, toggle the spinner to start or stop
+ if (keyval == Gdk.KEY_space) {
+ if (this._spinner.active == true)
+ this._spinner.stop();
+ else
+ this._spinner.start();
+ }
+ }
+
+
+});
+
+// Run the application
+let app = new SpinnerExample ();
+app.application.run (ARGV);
diff --git a/platform-demos/C/spinner.js.page b/platform-demos/C/spinner.js.page
new file mode 100644
index 0000000..b0b1ada
--- /dev/null
+++ b/platform-demos/C/spinner.js.page
@@ -0,0 +1,33 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<page xmlns="http://projectmallard.org/1.0/";
+ xmlns:xi="http://www.w3.org/2001/XInclude";
+ type="guide" style="task"
+ id="spinner.js">
+ <info>
+ <link type="guide" xref="beginner.js#display-widgets"/>
+ <revision version="0.1" date="2012-06-03" status="draft"/>
+
+ <credit type="author copyright">
+ <name>Taryn Fox</name>
+ <email>jewelfox fursona net</email>
+ <years>2012</years>
+ </credit>
+
+ <desc>A spinner animation</desc>
+ </info>
+
+ <title>Spinner</title>
+ <media type="image" mime="image/png" src="media/spinner.png"/>
+ <p>This Spinner is stopped and started by pressing the spacebar.</p>
+
+<code mime="text/javascript" style="numbered"><xi:include href="samples/spinner.js" parse="text"><xi:fallback/></xi:include></code>
+<p>
+ In this sample we used the following:
+</p>
+<list>
+ <item><p><link href="http://www.roojs.org/seed/gir-1.2-gtk-3.0/gjs/Gdk.html";>Gdk - Key Values</link></p></item>
+ <item><p><link href="http://www.roojs.com/seed/gir-1.2-gtk-3.0/gjs/Gtk.Application.html";>Gtk.Application</link></p></item>
+ <item><p><link href="http://developer.gnome.org/gtk3/stable/GtkApplicationWindow.html";>Gtk.ApplicationWindow</link></p></item>
+ <item><p><link href="http://www.roojs.org/seed/gir-1.2-gtk-3.0/gjs/Gtk.Spinner.html";>Gtk.Spinner</link></p></item>
+</list>
+</page>