Method: Tk::Iwidgets::Menubar#_parse_menu_spec

Defined in:
lib/tkextlib/iwidgets/menubar.rb

#_parse_menu_spec(menu_spec) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/menubar.rb', line 88

def _parse_menu_spec(menu_spec)
  ret = ''
  menu_spec.each{|spec|
    next unless spec

    if spec.kind_of?(Hash)
      args = [spec]
      type = 'options'
    else
      type, *args = spec
    end

    type = type.to_s
    case type
    when 'options'
      keys = args[0]
      ary = [type]
      ary.concat(hash_kv(keys))
      ret << array2tk_list(ary) << "\n"

    when 'menubutton', 'cascade'
      name, keys = args
      if keys
        ary = [type, name]
        keys = _symbolkey2str(keys)
        keys['menu'] = _parse_menu_spec(keys['menu']) if keys.key?('menu')
        ary.concat(hash_kv(keys))
        ret << array2tk_list(ary) << "\n"
      else
        ret << array2tk_list([type, name]) << "\n"
      end

    else
      name, keys = args
      if keys
        ary = [type, name]
        ary.concat(hash_kv(keys))
        ret << array2tk_list(ary) << "\n"
      else
        ret << array2tk_list([type, name]) << "\n"
      end
    end
  }
  ret
end