[wxruby-users] Problems loading .xrc file

[Magnus Sjöstrand]

Hi,

I'm trying to load a gui with a xrcise/.xrc combo. I've tried both with
this trivial .xrc - which is just a frame with nothing in it - and a few
more advanced which worked great when compiled to c++.

I've tried both win xp sp2 and vista, ruby 1.8.6 from the one-click
installer and 1.8.7, wxRuby (1.9.7) and wx_sugar (0.1.20) installed with
gems.

C:\Users\magnuss\workspace\TestProject>ruby main.rb
10:55:50: Error: Cannot load resources from file
'file:/C%3A/Users/magnuss/workspace/TestProject/noname.xrc'.
c:/ruby/lib/ruby/gems/1.8/gems/wxruby-1.9.7-x86-mswin32/lib/wx/classes/xmlresource.rb:31:in
`load': Failed to load XRC from 'noname.xrc'; check the file exists
and is valid XML (RuntimeError)
        from ./forms.rb:16:in `initialize'
        from main.rb:10:in `new'
        from main.rb:10

The .xrc file is in the same directory as my main.rb, and does indeed
exist :)

Any ideas or tips would be greatly appreciated :)

best regards,
Magnus Sjöstrand

=====================================================
main.rb

require "wx"
require "forms"

include Wx

class MainWindow < MainWindowBase

end

MainWindow.new.main_loop
=====================================================
noname.xrc

<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<resource xmlns="http://www.wxwindows.org/wxxrc" version="2.3.0.1">
  <object class="wxFrame" name="MainFrame" subclass="MainWindowBase">
    <style>wxDEFAULT_FRAME_STYLE|wxTAB_TRAVERSAL</style>
    <size>500,300</size>
    <title></title>
  </object>
</resource>
=====================================================
forms.rb

class MainWindowBase < Wx::Frame

  def initialize(parent = nil)
    super()
    xml = Wx::XmlResource.get
    xml.flags = 2 # Wx::XRC_NO_SUBCLASSING
    xml.init_all_handlers
    xml.load("noname.xrc")
    xml.load_frame_subclass(self, parent, "MainFrame")

    finder = lambda do | x |
      int_id = Wx::xrcid(x)
      begin
        Wx::Window.find_window_by_id(int_id, self) || int_id
      # Temporary hack to work around regression in 1.9.2; remove
      # begin/rescue clause in later versions
      rescue RuntimeError
        int_id
      end
    end

    if self.class.method_defined? "on_init"
      self.on_init()
    end
  end
end
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