[Kde-bindings] Crash when using the valued returned by KDE::EncodingFileDialog.get_save_file_name_and_encoding in korundum

[Stefano Crocco]

It seems there's something wrong with the value returned by 
KDE::EncodingFileDialog.get_save_file_name_and_encoding in korundum. The 
dialog itself seems to work correctly, but when I try to access the returned 
object, I get an exception. Here's an example code:

require 'korundum4'

data = KDE::AboutData.new "kruby", "", KDE::ki18n("KRuby"), "0.0.39",
    KDE.ki18n('A Ruby IDE written in Ruby')
KDE::CmdLineArgs.init ARGV, data
a = KDE::Application.new

res = KDE::EncodingFileDialog.get_save_file_name_and_encoding 'UTF-8',
__FILE__, '', nil, KDE.i18n('Save File')
p res.encoding

The exact error I get when running the above code (with ruby 1.9.1p243) is:

/usr/lib/ruby19/site_ruby/1.9.1/Qt/qtruby4.rb:2603:in `do_method_missing': 
undefined method `name' for nil:NilClass (NoMethodError)
	from /usr/lib/ruby19/site_ruby/1.9.1/Qt/qtruby4.rb:2606:in 
`do_method_missing'
	from /usr/lib/ruby19/site_ruby/1.9.1/Qt/qtruby4.rb:2606:in 
`do_method_missing'
	from /usr/lib/ruby19/site_ruby/1.9.1/Qt/qtruby4.rb:2606:in 
`do_method_missing'
	from /usr/lib/ruby19/site_ruby/1.9.1/Qt/qtruby4.rb:2606:in 
`do_method_missing'
	from prova.rb:10:in `method_missing'
	from prova.rb:10:in `<main>'

The same happens if I try res.file_names or res.URLs. I'm not sure if this is 
related, but if I write

p res.class

I get KDE::dingFileDialog::Result (of course, I'd expect 
KDE::EncodingFileDialog::Result instead).

By the way, does anyone know whether the bug about KDE::SharedConfig#group not 
working (http://lists.kde.org/?l=kde-bindings&m=125561411924191&w=2) has been 
fixed or is going to be fixed before the release of KDE 4.4? I saw a mail on 
the list (http://lists.kde.org/?l=kde-bindings&m=125804672228574&w=2) from 
which it seems the source of the problem had been found out. However, at least 
until about ten days ago (when I last tried building smokde and korundum from 
svn), it hasn't been fixed. According to the KDE release schedule, the 
bindings freeze for KDE 4.4 is just a matter of days now (the 5th of January). 
I truly hope this bug will be fixed before then (or before KDE 4.4 is 
released, at any rate), because it makes it impossible to use KDE 
configuration system (of course, unless there's a way I don't know of which 
allows to obtain configuration options without using KDE::SharedConfig#group).

Thanks in advance

Stefano