Codebase list ruby-fxruby / cfa4e4c lib / fox16 / exceptions_for_fxerror.rb
cfa4e4c

Tree @cfa4e4c (Download .tar.gz)

exceptions_for_fxerror.rb @cfa4e4c — raw · history · blame 

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
module Fox
  FXWindow.subclasses.each do |klass|
    klass.send(:alias_method, :create_without_parent_created_check, :create)
    klass.send(:define_method, :create) do
      unless parent.created?
        raise RuntimeError, "trying to create window before creating parent window"
      end
      if owner && !owner.created?
        raise RuntimeError, "trying to create window before creating owner window"
      end
      if visual.nil?
        raise RuntimeError, "trying to create window without a visual"
      end
      create_without_parent_created_check
    end
  end
end