Seed (programming)

For other uses, see Seed (disambiguation).

Seed is a JavaScript interpreter and a library of the GNOME project to create standalone applications in JavaScript. It uses the JavaScript engine JavaScriptCore of the WebKit project. It is possible to easily create modules in C.

Seed

Developer(s)	Robert Carr, Matt Arsenault and Tim Horton
Initial release	November 8, 2008 (2008-11-08)
Stable release	3.8.1 / April 16, 2013 (2013-04-16)
Repository	gitlab.gnome.org/GNOME/seed
Written in	C
Available in	English
Type	Interpreter, library
License	GNU LGPL
Website	wiki.gnome.org/Projects/Seed

Seed is integrated in GNOME since the 2.28 version and is used by two games in the GNOME Games package. It is also used by the Web web browser for the design of its extensions. The module is also officially supported by the GTK+ project.

Hello world in Seed

This example uses the standard output to output the string "Hello, World".

#!/usr/bin/env seed

print("Hello, world!");

A program using GTK+

This code shows an empty window named "Example".

#!/usr/bin/env seed

Gtk = imports.gi.Gtk;
Gtk.init(Seed.argv);

var window = new Gtk.Window({title: "Example"});

window.signal.hide.connect(Gtk.main_quit);
window.show_all();

Gtk.main();

Modules

To use a module, just instantiate a class having for name imports. followed by the name of the module respecting the case sensitivity.

• The modules using GObject Introspection, who starts by imports.gi. :
  • Gtk
  • Gst
  • GObject
  • Gio
  • Clutter
  • GLib
  • Gdk
  • WebKit
  • GdkPixbuf, GdkPixbuf
• Libxml
• Cairo
• DBus
• MPFR
• Os (system library)
• Canvas (using Cairo)
• multiprocessing
• readline
• ffi
• sqlite
• sandbox

List of the Seed versions

The names of the versions of Seed are albums of famous rock bands.

Version	Code Name	Release Date
0.1		8 November 2008
0.3	Wednesday Morning 3AM	2 January 2009
0.5	Transformer	16 April 2009
0.6	Beatles for Sale	29 April 2009
0.7	Another Side of Bob Dylan	13 May 2009
0.8	Bringing It All Back Home	29 May 2009
0.8.5	Self Portrait	10 July 2009
2.27.90	London Calling	10 August 2009
2.27.91	Yellow Submarine	21 August 2009
2.27.92	Metal Machine Music	7 September 2009
2.28.0	The Rise and Fall of Ziggy Stardust and the Spiders	21 September 2009
2.29.2	Never Mind the Bollocks	16 November 2009
2.29.3		30 November 2009
2.29.4		17 December 2009
2.29.5	Icky Thump	1 January 2010
2.29.5.1	Achtung Baby	1 January 2010
2.29.5.2	Third Stage	7 January 2010
2.29.5.3	Twist and Shout	11 January 2010
2.29.90	Fort Nightly	8 February 2010
2.29.91	Greatest Hits	23 February 2010
2.30.0	Piano Man	29 March 2010
2.31.1	The Black Album	29 March 2010

See also

• GNOME
• JavaScript
• Server-side JavaScript
• JavaScriptCore
• XULRunner

References

• Anwari, Mohammad (1 January 2013). "3 Programming Languages". GNOME 3 Application Development Beginner's Guide. Packt. ISBN 9781849519427. OCLC 852469655.

External links

• Seed on the GNOME wiki
• Seed documentation Archived 2010-06-11 at the Wayback Machine
• An auto-generated documentation of the Seed modules
• Official tutorial of Seed
• A short tutorial Archived 2011-05-18 at the Wayback Machine showing how to create a basic web browser using WebKitGTK+.
• Blog of Robert Carr