[gnome-devel-docs] tutorials <javascript>: Added Gtk.ProgressBar code sample and Mallard page
- From: Tiffany Antopolski <antopolski src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-devel-docs] tutorials <javascript>: Added Gtk.ProgressBar code sample and Mallard page
- Date: Sat, 2 Jun 2012 03:35:06 +0000 (UTC)
commit 81a94ab010974a052417d95ac36cff6ad4d6a103
Author: Taryn Fox <jewelfox fursona net>
Date: Fri Jun 1 06:07:33 2012 -0400
tutorials <javascript>: Added Gtk.ProgressBar code sample and Mallard page
platform-demos/C/progressbar.js.page | 42 ++++++++++++++++
platform-demos/C/samples/progressbar.js | 81 +++++++++++++++++++++++++++++++
2 files changed, 123 insertions(+), 0 deletions(-)
---
diff --git a/platform-demos/C/progressbar.js.page b/platform-demos/C/progressbar.js.page
new file mode 100644
index 0000000..c8f99f2
--- /dev/null
+++ b/platform-demos/C/progressbar.js.page
@@ -0,0 +1,42 @@
+<page xmlns="http://projectmallard.org/1.0/"
+ xmlns:xi="http://www.w3.org/2001/XInclude"
+ type="guide" style="task"
+ id="progressbar.js">
+ <info>
+ <link type="guide" xref="beginner.js#display-widgets"/>
+ <revision version="0.1" date="2012-06-01" status="draft"/>
+
+ <credit type="author copyright">
+ <name>Taryn Fox</name>
+ <email>jewelfox fursona net</email>
+ <years>2012</years>
+ </credit>
+
+ <desc>A bar which animates to indicate progress</desc>
+ </info>
+
+ <title>ProgressBar</title>
+ <media type="video" mime="application/ogv" src="media/progressbar.ogv">
+ <tt:tt xmlns:tt="http://www.w3.org/ns/ttml">
+ <tt:body>
+ <tt:div begin="0s" end="6s">
+ <tt:p>
+ Pressing any key stops and starts this ProgressBar.
+ </tt:p>
+ </tt:div>
+ </tt:body>
+ </tt:tt>
+ </media>
+ <p>This ProgressBar is stopped and started by pressing any key.</p>
+
+<code mime="text/javascript" style="numbered"><xi:include href="samples/progressbar.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/GLib.html">GLib</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.com/seed/gir-1.2-gtk-3.0/gjs/Gtk.ProgressBar.html">Gtk.ProgressBar</link></p></item>
+</list>
+</page>
diff --git a/platform-demos/C/samples/progressbar.js b/platform-demos/C/samples/progressbar.js
new file mode 100644
index 0000000..ef516b5
--- /dev/null
+++ b/platform-demos/C/samples/progressbar.js
@@ -0,0 +1,81 @@
+#!/usr/bin/gjs
+
+const Gio = imports.gi.Gio;
+const GLib = imports.gi.GLib;
+const Gtk = imports.gi.Gtk;
+const Lang = imports.lang;
+
+const ProgressBarExample = new Lang.Class({
+ Name: 'ProgressBar Example',
+
+ // Create the application itself
+ _init: function() {
+ this.application = new Gtk.Application({
+ application_id: 'org.example.jsprogressbar',
+ 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,
+ default_height: 20,
+ default_width: 220,
+ title: "ProgressBar Example"});
+
+ // Create the progress bar
+ this.progressBar = new Gtk.ProgressBar ();
+ this._window.add(this.progressBar);
+
+ // Start the function that pulses the bar every 100 milliseconds
+ this.sourceID = GLib.timeout_add(GLib.PRIORITY_DEFAULT, 100, Lang.bind(this, this._barPulse));
+
+ // Connect a keypress event to the function that toggles the bar to start or stop pulsing
+ this._window.connect("key-press-event", Lang.bind(this, this._onKeyPress));
+
+ // Show the window and all child widgets
+ this._window.show_all();
+ },
+
+
+
+ // Pulse the progressbar (unless it has been disabled by a keypress)
+ _barPulse: function() {
+ this.progressBar.pulse();
+ return true;
+ },
+
+ // Start or stop the progressbar when a key is pressed
+ _onKeyPress: function() {
+ if (this.sourceID == 0)
+ this.sourceID = GLib.timeout_add(GLib.PRIORITY_DEFAULT, 100, Lang.bind(this, this._barPulse));
+ else {
+ GLib.source_remove(this.sourceID);
+ this.sourceID = 0;
+ }
+ }
+
+});
+
+// Run the application
+let app = new ProgressBarExample ();
+app.application.run (ARGV);
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