Well I thought we should place something there to show what the rbSFML library can do. It's not much but I feel it's really useful. Here's a link:
http://www.sfml-dev.org/wiki/en/sources/messageboxHere's for instance my main file for my current project:
#!/usr/bin/env ruby
# Copyright (c) 2010 Henrik Valter Vogelius Hansson
#
# This software is provided 'as-is', without any express or implied
# warranty. In no event will the authors be held liable for any damages
# arising from the use of this software.
#
# Permission is granted to anyone to use this software for any purpose,
# including commercial applications, and to alter it and redistribute it
# freely, subject to the following restrictions:
#
# 1. The origin of this software must not be misrepresented; you must not
# claim that you wrote the original software. If you use this software
# in a product, an acknowledgment in the product documentation would be
# appreciated but is not required.
#
# 2. Altered source versions must be plainly marked as such, and must not be
# misrepresented as being the original software.
#
# 3. This notice may not be removed or altered from any source
# distribution.
require './src/scripts/config.rb'
begin
System::Application.init
rescue Exception => error
message = error.message + '\n'
message += error.backtrace.join( '\n' )
MessageBox.show( error.class.toString + " error!", message )
end