Class: TkVariable

Inherits:
Object show all
Extended by:
TkCore
Includes:
Comparable, Tk
Defined in:
lib/tk/variable.rb

Direct Known Subclasses

Tk::BLT::Vector, TkVarAccess

Constant Summary collapse

TkCommandNames =

TkCommandNames = ['tkwait'.freeze].freeze

['vwait'.freeze].freeze
TkVar_CB_TBL =

TkVar_CB_TBL = {} TkVar_ID_TBL = {}

TkCore::INTERP.create_table
TkVar_ID_TBL =
TkCore::INTERP.create_table
USE_OLD_TRACE_OPTION_STYLE =
(major < 8) || (major == 8 && minor < 4)
USE_TCLs_SET_VARIABLE_FUNCTIONS =
true

Constants included from TkCore

TkCore::EventFlag, TkCore::INTERP, TkCore::INTERP_MUTEX, TkCore::INTERP_ROOT_CHECK, TkCore::INTERP_THREAD, TkCore::INTERP_THREAD_STATUS, TkCore::RUN_EVENTLOOP_ON_MAIN_THREAD, TkCore::WIDGET_DESTROY_HOOK, TkCore::WITH_ENCODING, TkCore::WITH_RUBY_VM

Constants included from TkComm

TkComm::GET_CONFIGINFO_AS_ARRAY, TkComm::GET_CONFIGINFOwoRES_AS_ARRAY, TkComm::TkExtlibAutoloadModule, TkComm::Tk_CMDTBL, TkComm::Tk_IDs, TkComm::Tk_WINDOWS, TkComm::USE_TCLs_LIST_FUNCTIONS, TkComm::WidgetClassNames

Constants included from TkUtil

TkUtil::None, TkUtil::RELEASE_DATE

Constants included from Tk

Tk::AUTO_PATH, Tk::Fontchooser, Tk::INTERP, Tk::JAPANIZED_TK, Tk::LIBRARY_PATH, Tk::MAINLOOP, Tk::PACKAGE_PATH, Tk::RELEASE_DATE, Tk::TCL_LIBRARY_PATH, Tk::TCL_MAJOR_VERSION, Tk::TCL_MINOR_VERSION, Tk::TCL_PACKAGE_PATH, Tk::TCL_PATCHLEVEL, Tk::TCL_PRECISION, Tk::TCL_VERSION, Tk::TK_MAJOR_VERSION, Tk::TK_MINOR_VERSION, Tk::TK_PATCHLEVEL, Tk::TK_VERSION, Tk::Tkextlib_RELEASE_DATE, Tk::TreeCtrl_Widget, Tk::X_Scrollable, Tk::Y_Scrollable

Constants included from Tk::Encoding

Tk::Encoding::BINARY, Tk::Encoding::BINARY_NAME, Tk::Encoding::DEFAULT_EXTERNAL_NAME, Tk::Encoding::DEFAULT_INTERNAL_NAME, Tk::Encoding::ENCODING_TABLE, Tk::Encoding::RubyEncoding, Tk::Encoding::UNKNOWN, Tk::Encoding::UTF8_NAME

Class Method Summary collapse

Instance Method Summary collapse

Methods included from TkCore

_tk_call_to_list_core, after, after_cancel, after_idle, appname, appsend, appsend_deny, appsend_displayof, callback_break, callback_continue, callback_return, chooseColor, chooseDirectory, do_one_event, event_generate, getMultipleOpenFile, getMultipleSaveFile, getOpenFile, getSaveFile, get_eventloop_tick, get_eventloop_weight, get_no_event_wait, inactive, inactive_displayof, info, ip_eval, ip_eval_with_enc, ip_eval_without_enc, ip_invoke, ip_invoke_with_enc, ip_invoke_without_enc, is_mainloop?, load_cmd_on_ip, mainloop, mainloop_exist?, mainloop_thread?, mainloop_watchdog, messageBox, rb_appsend, rb_appsend_displayof, reset_inactive, reset_inactive_displayof, restart, scaling, scaling_displayof, set_eventloop_tick, set_eventloop_weight, set_no_event_wait, tk_call, tk_call_to_list, tk_call_to_list_with_enc, tk_call_to_list_without_enc, tk_call_to_simplelist, tk_call_to_simplelist_with_enc, tk_call_to_simplelist_without_enc, tk_call_with_enc, tk_call_without_enc, windowingsystem

Methods included from TkComm

_at, _callback_entry?, _callback_entry_class?, _curr_cmd_id, _fromUTF8, _genobj_for_tkwidget, _next_cmd_id, _toUTF8, array2tk_list, #bind, #bind_all, #bind_append, #bind_append_all, #bind_remove, #bind_remove_all, #bindinfo, #bindinfo_all, bool, image_obj, #install_cmd, install_cmd, list, num_or_nil, num_or_str, number, procedure, simplelist, slice_ary, string, #subst, tk_tcl2ruby, uninstall_cmd, #uninstall_cmd, window

Methods included from TkEvent

#install_bind, #install_bind_for_event_class

Methods included from TkUtil

_conv_args, #_conv_args, #_fromUTF8, #_get_eval_enc_str, _get_eval_enc_str, #_get_eval_string, _get_eval_string, #_symbolkey2str, _symbolkey2str, #_toUTF8, bool, eval_cmd, hash_kv, #hash_kv, install_cmd, num_or_nil, #num_or_nil, #num_or_str, num_or_str, #number, number, string, uninstall_cmd, untrust

Methods included from Tk

BinaryString, EncodedString, #Grid, #Pack, #Place, UTF8_String, __create_widget_set__, __disable_toplevel_control__, __import_toplevel_aliases__, __regist_toplevel_aliases__, __remove_toplevel_aliases__, __reset_toplevel_owner__, __set_loaded_toplevel_aliases__, __set_toplevel_aliases__, __toplevel_alias_setup_proc__, _replace_toplevel_aliases, add_kinsoku, backup_current_topdef, bell, bell_on_display, const_missing, current_grabs, cursor_display, default_widget_set, default_widget_set=, define_topalias, define_topobj, delete_kinsoku, destroy, #encoding, #encoding=, errorCode, errorInfo, exit, focus, focus_lastfor, focus_next, focus_prev, focus_to, fromUTF8, grid, grid_forget, has_mainwindow?, load_tcllibrary, load_tclscript, load_tclscript_rsrc, load_tclscript_rsrcid, lower_window, pack, pack_forget, pkgconfig_get, pkgconfig_list, place, place_forget, raise_window, regist_sym_for_loaded_file, replace_topalias, replace_topobj, #root, set_topalias, show_kinsoku, sleep, strictMotif, subst_tk_backslash, subst_utf_backslash, tcl_pkgconfig_get, tcl_pkgconfig_list, thread_update, thread_update_idletasks, tk_pkgconfig_get, tk_pkgconfig_list, toUTF8, to_backslash_sequence, topalias_defined?, toplevel_aliases_on_widget_set, topobj_defined?, ungrid, unload_tcllibrary, unpack, unplace, update, update_idletasks, utf_to_backslash, utf_to_backslash_sequence, wakeup, widget_set_symbols

Methods included from Tk::Encoding

#default_encoding=, #encoding=, #encoding_convertfrom, #encoding_convertto, #encoding_dirs, #encoding_dirs=, #encoding_name, #encoding_names, #encoding_obj, #encoding_objs, #encoding_system=, #encoding_system_name, #encoding_system_obj, #force_default_encoding, #force_default_encoding=, #force_default_encoding?, #tk_encoding_names

Constructor Details

#initialize(val = "", type = nil) ⇒ TkVariable

Returns a new instance of TkVariable.


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# File 'lib/tk/variable.rb', line 283

def initialize(val="", type=nil)
  # @id = Tk_VARIABLE_ID.join('')
  begin
    Tk_VARIABLE_ID.mutex.synchronize{
      @id = Tk_VARIABLE_ID.join(TkCore::INTERP._ip_id_)
      Tk_VARIABLE_ID[1].succ!
    }
  end until INTERP._invoke_without_enc('info', 'globals', @id).empty?

  TkVar_ID_TBL.mutex.synchronize{
    TkVar_ID_TBL[@id] = self
  }

  @var  = @id
  @elem = nil

  @def_default = false
  @default_val = nil

  @trace_var  = nil
  @trace_elem = nil
  @trace_opts = nil

  @type = nil
  var = self
  @element_type = Hash.new{|k,v| var.default_value_type }

  self.default_value_type = type

  # teach Tk-ip that @id is global var
  INTERP._invoke_without_enc('global', @id)
  #INTERP._invoke('global', @id)

  # create and init
  if val.kind_of?(Hash)
    # assoc-array variable
    self[''] = 0
    self.clear
  end
  self.value = val

=begin
  if val == []
    # INTERP._eval(format('global %s; set %s(0) 0; unset %s(0)',
    #                     @id, @id, @id))
  elsif val.kind_of?(Array)
    a = []
    # val.each_with_index{|e,i| a.push(i); a.push(array2tk_list(e))}
    # s = '"' + a.join(" ").gsub(/[\[\]$"]/, '\\\\\&') + '"'
    val.each_with_index{|e,i| a.push(i); a.push(e)}
    #s = '"' + array2tk_list(a).gsub(/[\[\]$"]/, '\\\\\&') + '"'
    s = '"' + array2tk_list(a).gsub(/[\[\]$"\\]/, '\\\\\&') + '"'
    INTERP._eval(format('global %s; array set %s %s', @id, @id, s))
  elsif  val.kind_of?(Hash)
    #s = '"' + val.to_a.collect{|e| array2tk_list(e)}.join(" ")\
    #             .gsub(/[\[\]$"]/, '\\\\\&') + '"'
    s = '"' + val.to_a.collect{|e| array2tk_list(e)}.join(" ")\
                 .gsub(/[\[\]$"\\]/, '\\\\\&') + '"'
    INTERP._eval(format('global %s; array set %s %s', @id, @id, s))
  else
    #s = '"' + _get_eval_string(val).gsub(/[\[\]$"]/, '\\\\\&') + '"'
    s = '"' + _get_eval_string(val).gsub(/[\[\]$"\\]/, '\\\\\&') + '"'
    INTERP._eval(format('global %s; set %s %s', @id, @id, s))
  end
=end
=begin
  if  val.kind_of?(Hash)
    #s = '"' + val.to_a.collect{|e| array2tk_list(e)}.join(" ")\
    #             .gsub(/[\[\]$"]/, '\\\\\&') + '"'
    s = '"' + val.to_a.collect{|e| array2tk_list(e)}.join(" ")\
                 .gsub(/[\[\]$"\\]/, '\\\\\&') + '"'
    INTERP._eval(Kernel.format('global %s; array set %s %s', @id, @id, s))
  else
    #s = '"' + _get_eval_string(val).gsub(/[\[\]$"]/, '\\\\\&') + '"'
    s = '"' + _get_eval_string(val).gsub(/[\[\]$"\\]/, '\\\\\&') + '"'
    INTERP._eval(Kernel.format('global %s; set %s %s', @id, @id, s))
  end
=end
end

Class Method Details

.callback(id, name1, name2, op) ⇒ Object

def TkVariable.callback(args)


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# File 'lib/tk/variable.rb', line 56

def TkVariable.callback(id, name1, name2, op)
  #name1,name2,op = tk_split_list(args)
  #name1,name2,op = tk_split_simplelist(args)
  if cb_obj = TkVar_CB_TBL[id]
    #_get_eval_string(TkVar_CB_TBL[name1].trace_callback(name2,op))
    begin
      _get_eval_string(cb_obj.trace_callback(name2, op))
    rescue SystemExit
      exit(0)
    rescue Interrupt
      exit!(1)
    rescue Exception => e
      begin
        msg = _toUTF8(e.class.inspect) + ': ' +
              _toUTF8(e.message) + "\n" +
              "\n---< backtrace of Ruby side >-----\n" +
              _toUTF8(e.backtrace.join("\n")) +
              "\n---< backtrace of Tk side >-------"
        if TkCore::WITH_ENCODING
          msg.force_encoding('utf-8')
        else
          msg.instance_variable_set(:@encoding, 'utf-8')
        end
      rescue Exception
        msg = e.class.inspect + ': ' + e.message + "\n" +
              "\n---< backtrace of Ruby side >-----\n" +
              e.backtrace.join("\n") +
              "\n---< backtrace of Tk side >-------"
      end
      fail(e, msg)
    end
=begin
    begin
      raise 'check backtrace'
    rescue
      # ignore backtrace before 'callback'
      pos = -($!.backtrace.size)
    end
    begin
      _get_eval_string(TkVar_CB_TBL[name1].trace_callback(name2,op))
    rescue
      trace = $!.backtrace
      raise $!, "\n#{trace[0]}: #{$!.message} (#{$!.class})\n" +
                "\tfrom #{trace[1..pos].join("\n\tfrom ")}"
    end
=end
  else
    ''
  end
end

.new_hash(val = {}) ⇒ Object


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# File 'lib/tk/variable.rb', line 107

def self.new_hash(val = {})
  if val.kind_of?(Hash)
    self.new(val)
  else
    fail ArgumentError, 'Hash is expected'
  end
end

Instance Method Details

#%(other) ⇒ Object


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# File 'lib/tk/variable.rb', line 1227

def %(other)
  num_or_str(self._value) % other
  #begin
  #  number(self._value) % other
  #rescue
  #  self._value % other
  #end
end

#&(other) ⇒ Object


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# File 'lib/tk/variable.rb', line 1181

def &(other)
  if other.kind_of?(Array)
    self.to_a & other.to_a
  else
    self.to_i & other.to_i
  end
end

#*(other) ⇒ Object


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# File 'lib/tk/variable.rb', line 1216

def *(other)
  num_or_str(self._value) * other
  #begin
  #  number(self._value) * other
  #rescue
  #  self._value * other
  #end
end

#**(other) ⇒ Object

begin

number(self._value) % other

rescue

self._value % other

end


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# File 'lib/tk/variable.rb', line 1235

def **(other)
  number(self._value) ** other
end

#+(other) ⇒ Object


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# File 'lib/tk/variable.rb', line 1195

def +(other)
  case other
  when Array
    self.to_a + other
  when String
    self._value + other
  else
    begin
      number(self._value) + other
    rescue
      self._value + other.to_s
    end
  end
end

#[email protected]Object


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# File 'lib/tk/variable.rb', line 1174

def [email protected]
  self.numeric
end

#-(other) ⇒ Object


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# File 'lib/tk/variable.rb', line 1209

def -(other)
  if other.kind_of?(Array)
    self.to_a - other
  else
    number(self._value) - other
  end
end

#[email protected]Object


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# File 'lib/tk/variable.rb', line 1177

def [email protected]
  -(self.numeric)
end

#/(other) ⇒ Object

begin

number(self._value) * other

rescue

self._value * other

end


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# File 'lib/tk/variable.rb', line 1224

def /(other)
  number(self._value) / other
end

#<=>(other) ⇒ Object


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# File 'lib/tk/variable.rb', line 1281

def <=>(other)
  if other.kind_of?(TkVariable)
    begin
      val = other.numeric
      other = val
    rescue
      other = other._value
    end
  elsif other.kind_of?(Numeric)
    begin
      return self.numeric <=> other
    rescue
      return self._value <=> other.to_s
    end
  elsif other.kind_of?(Array)
    return self.list <=> other
  else
    return self._value <=> other
  end
end

#==(other) ⇒ Object


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# File 'lib/tk/variable.rb', line 1242

def ==(other)
  case other
  when TkVariable
    #self.equal?(other)
    self._value == other._value
  when String
    self.to_s == other
  when Symbol
    self.to_sym == other
  when Integer
    self.to_i == other
  when Float
    self.to_f == other
  when Array
    self.to_a == other
  when Hash
    # false if self is not an assoc array
    self._value == other
  else
    # false
    self._value == _get_eval_string(other)
  end
end

#===(other) ⇒ Object


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# File 'lib/tk/variable.rb', line 1266

def ===(other)
  if other.kind_of?(TkVariable)
    self.id == other.id
  else
    super
  end
end

#=~(other) ⇒ Object


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# File 'lib/tk/variable.rb', line 1238

def =~(other)
  self._value =~ other
end

#[](*idxs) ⇒ Object


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# File 'lib/tk/variable.rb', line 686

def [](*idxs)
  _to_default_element_type(idxs, _element_value(*idxs))
end

#[]=(*args) ⇒ Object


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# File 'lib/tk/variable.rb', line 530

def []=(*args)
  val = args.pop
  type = default_element_value_type(args)
  val = val._value if !type && type != :variable && val.kind_of?(TkVariable)
  index = args.collect{|idx| _get_eval_string(idx, true)}.join(',')
  _fromUTF8(INTERP._set_global_var2(@id, index, _get_eval_string(val, true)))
  #_fromUTF8(INTERP._set_global_var2(@id, _toUTF8(_get_eval_string(index)),
  #                                 _toUTF8(_get_eval_string(val))))
  #_fromUTF8(INTERP._set_global_var2(@id, _get_eval_string(index, true),
  #                                 _get_eval_string(val, true)))
end

#boolObject


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# File 'lib/tk/variable.rb', line 775

def bool
  TkComm.bool(_value)
=begin
  # see Tcl_GetBoolean man-page
  case _value.downcase
  when '0', 'false', 'no', 'off'
    false
  else
    true
  end
=end
end

#bool_element(*idxs) ⇒ Object

# see Tcl_GetBoolean man-page

case _value.downcase
when '0', 'false', 'no', 'off'
  false
else
  true
end

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# File 'lib/tk/variable.rb', line 787

def bool_element(*idxs)
  TkComm.bool(_element_value(*idxs))
end

#clearObject


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# File 'lib/tk/variable.rb', line 443

def clear
  if (is_scalar?)
    fail RuntimeError, 'cannot clear a scalar variable'
  end
  keys.each{|k| unset(k)}
  self
end

#coerce(other) ⇒ Object


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# File 'lib/tk/variable.rb', line 1157

def coerce(other)
  case other
  when TkVariable
    [other._value, self._value]
  when String
    [other, self.to_s]
  when Symbol
    [other, self.to_sym]
  when Numeric
    [other, self.numeric]
  when Array
    [other, self.to_a]
  else
    [other, self._value]
  end
end

#default_element_value_type(idxs) ⇒ Object


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# File 'lib/tk/variable.rb', line 149

def default_element_value_type(idxs)
  if idxs.kind_of?(Array)
    index = idxs.collect{|idx| _get_eval_string(idx, true)}.join(',')
  else
    index = _get_eval_string(idxs, true)
  end
  @element_type[index]
end

#default_proc(cmd = Proc.new) ⇒ Object


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# File 'lib/tk/variable.rb', line 134

def default_proc(cmd = Proc.new)
  @def_default = :proc
  @default_val = cmd
  self
end

#default_value(val = nil, &b) ⇒ Object

default_value is available only when the variable is an assoc array.


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# File 'lib/tk/variable.rb', line 118

def default_value(val=nil, &b)
  if b
    @def_default = :proc
    @default_val = proc(&b)
  else
    @def_default = :val
    @default_val = val
  end
  self
end

#default_value_typeObject


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# File 'lib/tk/variable.rb', line 146

def default_value_type
  @type
end

#element_lappend(idxs, *elems) ⇒ Object


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# File 'lib/tk/variable.rb', line 1104

def element_lappend(idxs, *elems)
  if idxs.kind_of?(Array)
    idxs = idxs.collect{|idx| _get_eval_string(idx, true)}.join(',')
  end
  tk_call('lappend', "#{@id}(#{idxs})", *elems)
  self
end

#element_lget_f(elem_idxs, idx) ⇒ Object


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# File 'lib/tk/variable.rb', line 1136

def element_lget_f(elem_idxs, idx)
  number(element_lget(elem_idxs, idx)).to_f
end

#element_lget_i(elem_idxs, idx) ⇒ Object


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# File 'lib/tk/variable.rb', line 1129

def element_lget_i(elem_idxs, idx)
  number(element_lget(elem_idxs, idx)).to_i
end

#element_lindex(elem_idxs, idx) ⇒ Object Also known as: element_lget


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# File 'lib/tk/variable.rb', line 1116

def element_lindex(elem_idxs, idx)
  if elem_idxs.kind_of?(Array)
    val = _element_value(*elem_idxs)
  else
    val = _element_value(elem_idxs)
  end
  tk_call('lindex', val, idx)
end

#element_lset(elem_idxs, idx, val) ⇒ Object


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# File 'lib/tk/variable.rb', line 1144

def element_lset(elem_idxs, idx, val)
  if elem_idxs.kind_of?(Array)
    idxs = elem_idxs.collect{|i| _get_eval_string(i, true)}.join(',')
  end
  tk_call('lset', "#{@id}(#{idxs})", idx, val)
  self
end

#element_to_f(*idxs) ⇒ Object


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# File 'lib/tk/variable.rb', line 951

def element_to_f(*idxs)
  number(_element_value(*idxs)).to_f
end

#element_to_i(*idxs) ⇒ Object


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# File 'lib/tk/variable.rb', line 944

def element_to_i(*idxs)
  number(_element_value(*idxs)).to_i
end

#element_to_s(*idxs) ⇒ Object


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# File 'lib/tk/variable.rb', line 961

def element_to_s(*idxs)
  _element_value(*idxs)
end

#element_to_sym(*idxs) ⇒ Object Also known as: symbol_element


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# File 'lib/tk/variable.rb', line 997

def element_to_sym(*idxs)
  _element_value(*idxs).intern
end

#eventloop_tkwaitObject


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# File 'lib/tk/variable.rb', line 388

def eventloop_tkwait
  wait(false, true)
end

#eventloop_wait(check_root = false) ⇒ Object


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# File 'lib/tk/variable.rb', line 379

def eventloop_wait(check_root = false)
  wait(false, check_root)
end

#exist?(*elems) ⇒ Boolean

Returns:

  • (Boolean)

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# File 'lib/tk/variable.rb', line 415

def exist?(*elems)
  INTERP._invoke_without_enc('global', @id)
  if elems.empty?
    TkComm.bool(tk_call('info', 'exist', @id))
  else
    # array
    index = elems.collect{|idx| _get_eval_string(idx, true)}.join(',')
    TkComm.bool(tk_call('info', 'exist', "#{@id}")) &&
      TkComm.bool(tk_call('info', 'exist', "#{@id}(#{index})"))
  end
end

#idObject


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# File 'lib/tk/variable.rb', line 395

def id
  @id
end

#inspectObject


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# File 'lib/tk/variable.rb', line 1152

def inspect
  #Kernel.format "#<TkVariable: %s>", @id
  '#<TkVariable: ' + @id + '>'
end

#is_hash?Boolean

Returns:

  • (Boolean)

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# File 'lib/tk/variable.rb', line 404

def is_hash?
  #ITNERP._eval("global #{@id}; array exist #{@id}") == '1'
  INTERP._invoke_without_enc('global', @id)
  # INTERP._invoke_without_enc('array', 'exist', @id) == '1'
  TkComm.bool(INTERP._invoke_without_enc('array', 'exist', @id))
end

#is_scalar?Boolean

Returns:

  • (Boolean)

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# File 'lib/tk/variable.rb', line 411

def is_scalar?
  ! is_hash?
end

#keysObject


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# File 'lib/tk/variable.rb', line 427

def keys
  if (is_scalar?)
    fail RuntimeError, 'cannot get keys from a scalar variable'
  end
  #tk_split_simplelist(INTERP._eval("global #{@id}; array get #{@id}"))
  INTERP._invoke_without_enc('global', @id)
  #tk_split_simplelist(INTERP._fromUTF8(INTERP._invoke_without_enc('array', 'names', @id)))
  tk_split_simplelist(INTERP._invoke_without_enc('array', 'names', @id),
                      false, true)
end

#lappend(*elems) ⇒ Object


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# File 'lib/tk/variable.rb', line 1100

def lappend(*elems)
  tk_call('lappend', @id, *elems)
  self
end

#lget_f(idx) ⇒ Object


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# File 'lib/tk/variable.rb', line 1133

def lget_f(idx)
  number(lget(idx)).to_f
end

#lget_i(idx) ⇒ Object


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# File 'lib/tk/variable.rb', line 1126

def lget_i(idx)
  number(lget(idx)).to_i
end

#lindex(idx) ⇒ Object Also known as: lget


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# File 'lib/tk/variable.rb', line 1112

def lindex(idx)
  tk_call('lindex', self._value, idx)
end

#listObject Also known as: to_a, to_ary


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# File 'lib/tk/variable.rb', line 1027

def list
  #tk_split_list(value)
  tk_split_simplelist(_value)
end

#list_element(*idxs) ⇒ Object Also known as: element_to_a


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# File 'lib/tk/variable.rb', line 1033

def list_element(*idxs)
  tk_split_simplelist(_element_value(*idxs))
end

#lset(idx, val) ⇒ Object


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# File 'lib/tk/variable.rb', line 1140

def lset(idx, val)
  tk_call('lset', @id, idx, val)
  self
end

#nonzero?Boolean

Returns:

  • (Boolean)

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# File 'lib/tk/variable.rb', line 1277

def nonzero?
  !(numeric.zero?)
end

#numericObject


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# File 'lib/tk/variable.rb', line 730

def numeric
  number(_value)
end

#numeric_element(*idxs) ⇒ Object


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# File 'lib/tk/variable.rb', line 733

def numeric_element(*idxs)
  number(_element_value(*idxs))
end

#numlistObject


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# File 'lib/tk/variable.rb', line 1038

def numlist
  list.collect!{|val| number(val)}
end

#numlist_element(*idxs) ⇒ Object


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# File 'lib/tk/variable.rb', line 1041

def numlist_element(*idxs)
  list_element(*idxs).collect!{|val| number(val)}
end

#procedureObject


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# File 'lib/tk/variable.rb', line 899

def procedure
  TkComm.procedure(self._value)
end

#procedure_element(*idxs) ⇒ Object


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# File 'lib/tk/variable.rb', line 902

def procedure_element(*idxs)
  TkComm.procedure(_element_value(*idxs))
end

#ref(*idxs) ⇒ Object


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# File 'lib/tk/variable.rb', line 399

def ref(*idxs)
  # "#{@id}(#{idxs.collect{|idx| _get_eval_string(idx)}.join(',')})"
  TkVarAccess.new("#{@id}(#{idxs.collect{|idx| _get_eval_string(idx)}.join(',')})")
end

#set_bool(val) ⇒ Object Also known as: bool=


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# File 'lib/tk/variable.rb', line 790

def set_bool(val)
  if ! val
    self.value = '0'
  else
    case val.to_s.downcase
    when 'false', '0', 'no', 'off'
      self.value = '0'
    else
      self.value = '1'
    end
  end
  self
end

#set_bool_element(idxs, val) ⇒ Object


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# File 'lib/tk/variable.rb', line 804

def set_bool_element(idxs, val)
  if ! val
    val = '0'
  else
    case val.to_s.downcase
    when 'false', '0', 'no', 'off'
      val = '0'
    else
      val = '1'
    end
  end
  if idxs.kind_of?(Array)
    self[*idxs]=val
  else
    self[idxs]=val
  end
  self
end

#set_bool_element_type(idxs, val) ⇒ Object


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# File 'lib/tk/variable.rb', line 828

def set_bool_element_type(idxs, val)
  self.set_default_element_value_type(idxs, :bool)
  self.set_bool_element(idxs, val)
end

#set_bool_type(val) ⇒ Object Also known as: bool_type=


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# File 'lib/tk/variable.rb', line 822

def set_bool_type(val)
  @type = :bool
  self.bool=(val)
  self
end

#set_default_element_value_type(idxs, type) ⇒ Object


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# File 'lib/tk/variable.rb', line 227

def set_default_element_value_type(idxs, type)
  _set_default_value_type_core(type, idxs)
  self
end

#set_default_value(val) ⇒ Object Also known as: default_value=


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# File 'lib/tk/variable.rb', line 128

def set_default_value(val)
  @def_default = :val
  @default_val = val
  self
end

#set_default_value_type(type) ⇒ Object Also known as: default_value_type=


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# File 'lib/tk/variable.rb', line 221

def set_default_value_type(type)
  _set_default_value_type_core(type, nil)
  self
end

#set_element_value(idxs, val) ⇒ Object


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# File 'lib/tk/variable.rb', line 703

def set_element_value(idxs, val)
  if idxs.kind_of?(Array)
    self[*idxs]=val
  else
    self[idxs]=val
  end
  self
end

#set_element_value_type(idxs, val) ⇒ Object


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# File 'lib/tk/variable.rb', line 720

def set_element_value_type(idxs, val)
  self.set_default_element_value_type(idxs, val.class)
  if idxs.kind_of?(Array)
    self[*idxs]=val
  else
    self[idxs]=val
  end
  self
end

#set_list(val) ⇒ Object Also known as: list=, set_numlist


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# File 'lib/tk/variable.rb', line 1045

def set_list(val)
  case val
  when Array
    self.value=(val)
  when TkVariable
    self.value=(val.list)
  else
    raise ArgumentError, "Array is expected"
  end
  self
end

#set_list_element(idxs, val) ⇒ Object Also known as: set_numlist_element


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# File 'lib/tk/variable.rb', line 1061

def set_list_element(idxs, val)
  case val
  when Array
    val
  when TkVariable
    val = val.list
  else
    raise ArgumentError, "Array is expected"
  end
  if idxs.kind_of?(Array)
    self[*idxs]=val
  else
    self[idxs]=val
  end
  self
end

#set_list_element_type(idxs, val) ⇒ Object


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# File 'lib/tk/variable.rb', line 1085

def set_list_element_type(idxs, val)
  self.set_default_element_value_type(idxs, :list)
  self.set_list_element(idxs, val)
end

#set_list_type(val) ⇒ Object Also known as: list_type=


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# File 'lib/tk/variable.rb', line 1079

def set_list_type(val)
  @type = :list
  self.list=(val)
  self
end

#set_numeric(val) ⇒ Object Also known as: numeric=


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# File 'lib/tk/variable.rb', line 736

def set_numeric(val)
  case val
  when Numeric
    self.value=(val)
  when TkVariable
    self.value=(val.numeric)
  else
    raise ArgumentError, "Numeric is expected"
  end
  self
end

#set_numeric_element(idxs, val) ⇒ Object


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# File 'lib/tk/variable.rb', line 748

def set_numeric_element(idxs, val)
  case val
  when Numeric
    val
  when TkVariable
    val = val.numeric
  else
    raise ArgumentError, "Numeric is expected"
  end
  if idxs.kind_of?(Array)
    self[*idxs]=val
  else
    self[idxs]=val
  end
  self
end

#set_numeric_element_type(idxs, val) ⇒ Object


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# File 'lib/tk/variable.rb', line 770

def set_numeric_element_type(idxs, val)
  self.set_default_element_value_type(idxs, :numeric)
  self.set_numeric_element(idxs, val)
end

#set_numeric_type(val) ⇒ Object Also known as: numeric_type=


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# File 'lib/tk/variable.rb', line 764

def set_numeric_type(val)
  @type = :numeric
  self.numeric=(val)
  self
end

#set_numlist_element_type(idxs, val) ⇒ Object


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# File 'lib/tk/variable.rb', line 1095

def set_numlist_element_type(idxs, val)
  self.set_default_element_value_type(idxs, :numlist)
  self.set_numlist_element(idxs, val)
end

#set_numlist_type(val) ⇒ Object Also known as: numlist_type=


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# File 'lib/tk/variable.rb', line 1089

def set_numlist_type(val)
  @type = :numlist
  self.numlist=(val)
  self
end

#set_procedure(cmd) ⇒ Object Also known as: procedure=


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# File 'lib/tk/variable.rb', line 905

def set_procedure(cmd)
  self.value = cmd
  self
end

#set_procedure_element(idxs, cmd) ⇒ Object


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# File 'lib/tk/variable.rb', line 910

def set_procedure_element(idxs, cmd)
  cmd = cmd._value if cmd.kind_of?(TkVariable)
  if idxs.kind_of?(Array)
    self[*idxs]=cmd
  else
    self[idxs]=cmd
  end
  self
end

#set_procedure_element_type(idxs, cmd) ⇒ Object


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# File 'lib/tk/variable.rb', line 925

def set_procedure_element_type(idxs, cmd)
  self.set_default_element_value_type(idxs, :procedure)
  self.set_proceure_element(idxs, cmd)
end

#set_procedure_type(cmd) ⇒ Object Also known as: procedure_type=


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# File 'lib/tk/variable.rb', line 919

def set_procedure_type(cmd)
  @type = :procedure
  self.procedure=(cmd)
  self
end

#set_string(val) ⇒ Object Also known as: string=


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# File 'lib/tk/variable.rb', line 967

def set_string(val)
  val = val._value if val.kind_of?(TkVariable)
  self.value=val
  self
end

#set_string_element(idxs, val) ⇒ Object


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# File 'lib/tk/variable.rb', line 973

def set_string_element(idxs, val)
  val = val._value if val.kind_of?(TkVariable)
  if idxs.kind_of?(Array)
    self[*idxs]=val
  else
    self[idxs]=val
  end
  self
end

#set_string_element_type(idxs, val) ⇒ Object


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# File 'lib/tk/variable.rb', line 988

def set_string_element_type(idxs, val)
  self.set_default_element_value_type(idxs, :string)
  self.set_string_element(idxs, val)
end

#set_string_type(val) ⇒ Object Also known as: string_type=


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# File 'lib/tk/variable.rb', line 982

def set_string_type(val)
  @type = :string
  self.string=(val)
  self
end

#set_symbol(val) ⇒ Object Also known as: symbol=


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# File 'lib/tk/variable.rb', line 1001

def set_symbol(val)
  val = val._value if val.kind_of?(TkVariable)
  self.value=val
  self
end

#set_symbol_element(idxs, val) ⇒ Object


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# File 'lib/tk/variable.rb', line 1007

def set_symbol_element(idxs, val)
  val = val._value if val.kind_of?(TkVariable)
  if idxs.kind_of?(Array)
    self[*idxs]=val
  else
    self[idxs]=val
  end
  self
end

#set_symbol_element_type(idxs, val) ⇒ Object


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# File 'lib/tk/variable.rb', line 1022

def set_symbol_element_type(idxs, val)
  self.set_default_element_value_type(idxs, :symbol)
  self.set_symbol_element(idxs, val)
end

#set_symbol_type(val) ⇒ Object Also known as: symbol_type=


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# File 'lib/tk/variable.rb', line 1016

def set_symbol_type(val)
  @type = :symbol
  self.value=(val)
  self
end

#set_value(val) ⇒ Object


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# File 'lib/tk/variable.rb', line 690

def set_value(val)
  self.value = val
  self
end

#set_value_type(val) ⇒ Object Also known as: value_type=


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# File 'lib/tk/variable.rb', line 712

def set_value_type(val)
  self.default_value_type = val.class
  self.value = val
  self
end

#set_variable(var) ⇒ Object Also known as: variable=


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# File 'lib/tk/variable.rb', line 840

def set_variable(var)
  var = var.id if var.kind_of?(TkVariable)
  self.value = var
  self
end

#set_variable_element(idxs, var) ⇒ Object


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# File 'lib/tk/variable.rb', line 846

def set_variable_element(idxs, var)
  var = var.id if var.kind_of?(TkVariable)
  if idxs.kind_of?(Array)
    self[*idxs]=var
  else
    self[idxs]=var
  end
  self
end

#set_variable_element_type(idxs, var) ⇒ Object


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# File 'lib/tk/variable.rb', line 862

def set_variable_element_type(idxs, var)
  self.set_default_element_value_type(idxs, :variable)
  self.set_variable_element(idxs, var)
end

#set_variable_type(var) ⇒ Object Also known as: variable_type=


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# File 'lib/tk/variable.rb', line 855

def set_variable_type(var)
  @type = :variable
  var = var.id if var.kind_of?(TkVariable)
  self.value = var
  self
end

#set_window(win) ⇒ Object Also known as: window=


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# File 'lib/tk/variable.rb', line 873

def set_window(win)
  win = win._value if win.kind_of?(TkVariable)
  self.value = win
  self
end

#set_window_element(idxs, win) ⇒ Object


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# File 'lib/tk/variable.rb', line 879

def set_window_element(idxs, win)
  win = win._value if win.kind_of?(TkVariable)
  if idxs.kind_of?(Array)
    self[*idxs]=win
  else
    self[idxs]=win
  end
  self
end

#set_window_element_type(idxs, win) ⇒ Object


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# File 'lib/tk/variable.rb', line 894

def set_window_element_type(idxs, win)
  self.set_default_element_value_type(idxs, :window)
  self.set_window_element(idxs, win)
end

#set_window_type(win) ⇒ Object Also known as: window_type=


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# File 'lib/tk/variable.rb', line 888

def set_window_type(win)
  @type = :window
  self.window=(win)
  self
end

#sizeObject


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# File 'lib/tk/variable.rb', line 438

def size
  INTERP._invoke_without_enc('global', @id)
  TkComm.number(INTERP._invoke_without_enc('array', 'size', @id))
end

#string_element(*idxs) ⇒ Object


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# File 'lib/tk/variable.rb', line 964

def string_element(*idxs)
  _element_value(*idxs)
end

#thread_tkwaitObject


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# File 'lib/tk/variable.rb', line 391

def thread_tkwait
  wait(true, true)
end

#thread_wait(check_root = false) ⇒ Object


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# File 'lib/tk/variable.rb', line 382

def thread_wait(check_root = false)
  wait(true, check_root)
end

#tkwait(on_thread = true) ⇒ Object


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# File 'lib/tk/variable.rb', line 385

def tkwait(on_thread = true)
  wait(on_thread, true)
end

#to_evalObject


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# File 'lib/tk/variable.rb', line 1302

def to_eval
  @id
end

#to_fObject


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# File 'lib/tk/variable.rb', line 948

def to_f
  number(_value).to_f
end

#to_hashObject


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# File 'lib/tk/variable.rb', line 695

def to_hash
  hash = {}
  self.keys.each{|k|
    hash[k] = self[k]
  }
  hash
end

#to_iObject Also known as: to_int


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# File 'lib/tk/variable.rb', line 940

def to_i
  number(_value).to_i
end

#to_procObject


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# File 'lib/tk/variable.rb', line 930

def to_proc
  cmd = self.procedure
  if cmd.respond_to?(:call)
    cmd
  else
    # cmd is a String
    cmd.to_sym.to_proc
  end
end

#to_sObject Also known as: string, to_str


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# File 'lib/tk/variable.rb', line 955

def to_s
  #string(value).to_s
  _value
end

#to_symObject Also known as: symbol


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# File 'lib/tk/variable.rb', line 993

def to_sym
  _value.intern
end

#trace(opts, cmd = Proc.new) ⇒ Object


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# File 'lib/tk/variable.rb', line 1375

def trace(opts, cmd = Proc.new)
  opts = _check_trace_opt(opts)
  (@trace_var ||= []).unshift([opts,cmd])

  if @trace_opts == nil
    TkVar_CB_TBL[@id] = self
    @trace_opts = opts.dup
    if USE_OLD_TRACE_OPTION_STYLE
      Tk.tk_call_without_enc('trace', 'variable',
                             @id, @trace_opts, 'rb_var ' << @id)
    else
      Tk.tk_call_without_enc('trace', 'add', 'variable',
                             @id, @trace_opts, 'rb_var ' << @id)
    end
  else
    newopts = @trace_opts.dup
    if USE_OLD_TRACE_OPTION_STYLE
      opts.each_byte{|c| newopts.concat(c.chr) unless newopts.index(c.chr)}
      if newopts != @trace_opts
        Tk.tk_call_without_enc('trace', 'vdelete',
                               @id, @trace_opts, 'rb_var ' << @id)
        @trace_opts.replace(newopts)
        Tk.tk_call_without_enc('trace', 'variable',
                               @id, @trace_opts, 'rb_var ' << @id)
      end
    else
      newopts |= opts
      unless (newopts - @trace_opts).empty?
        Tk.tk_call_without_enc('trace', 'remove', 'variable',
                               @id, @trace_opts, 'rb_var ' << @id)
        @trace_opts.replace(newopts)
        Tk.tk_call_without_enc('trace', 'add', 'variable',
                               @id, @trace_opts, 'rb_var ' << @id)
      end
    end
  end

  self
end

#trace_callback(elem, op) ⇒ Object


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# File 'lib/tk/variable.rb', line 1306

def trace_callback(elem, op)
  if @trace_var.kind_of? Array
    @trace_var.each{|m,e| e.call(self,elem,op) if m.index(op)}
  end
  if elem.kind_of?(String) && elem != ''
    if @trace_elem.kind_of?(Hash) && @trace_elem[elem].kind_of?(Array)
      @trace_elem[elem].each{|m,e| e.call(self,elem,op) if m.index(op)}
    end
  end
end

#trace_element(elem, opts, cmd = Proc.new) ⇒ Object


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# File 'lib/tk/variable.rb', line 1415

def trace_element(elem, opts, cmd = Proc.new)
  if @elem
    fail(RuntimeError,
         "invalid for a TkVariable which denotes an element of Tcl's array")
  end

  opts = _check_trace_opt(opts)

  ((@trace_elem ||= {})[elem] ||= []).unshift([opts,cmd])

  if @trace_opts == nil
    TkVar_CB_TBL[@id] = self
    @trace_opts = opts.dup
    if USE_OLD_TRACE_OPTION_STYLE
      Tk.tk_call_without_enc('trace', 'add', 'variable',
                             @id, @trace_opts, 'rb_var ' << @id)
    else
      Tk.tk_call_without_enc('trace', 'variable',
                             @id, @trace_opts, 'rb_var ' << @id)
    end
  else
    newopts = @trace_opts.dup
    if USE_OLD_TRACE_OPTION_STYLE
      opts.each_byte{|c| newopts.concat(c.chr) unless newopts.index(c.chr)}
      if newopts != @trace_opts
        Tk.tk_call_without_enc('trace', 'vdelete',
                               @id, @trace_opts, 'rb_var ' << @id)
        @trace_opts.replace(newopts)
        Tk.tk_call_without_enc('trace', 'variable',
                               @id, @trace_opts, 'rb_var ' << @id)
      end
    else
      newopts |= opts
      unless (newopts - @trace_opts).empty?
        Tk.tk_call_without_enc('trace', 'remove', 'variable',
                               @id, @trace_opts, 'rb_var ' << @id)
        @trace_opts.replace(newopts)
        Tk.tk_call_without_enc('trace', 'add', 'variable',
                               @id, @trace_opts, 'rb_var ' << @id)
      end
    end
  end

  self
end

#trace_infoObject Also known as: trace_vinfo


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# File 'lib/tk/variable.rb', line 1461

def trace_info
  return [] unless @trace_var
  @trace_var.dup
end

#trace_info_for_element(elem) ⇒ Object Also known as: trace_vinfo_for_element


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# File 'lib/tk/variable.rb', line 1467

def trace_info_for_element(elem)
  if @elem
    fail(RuntimeError,
         "invalid for a TkVariable which denotes an element of Tcl's array")
  end
  return [] unless @trace_elem
  return [] unless @trace_elem[elem]
  @trace_elem[elem].dup
end

#trace_remove(opts, cmd) ⇒ Object Also known as: trace_delete, trace_vdelete


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# File 'lib/tk/variable.rb', line 1478

def trace_remove(opts,cmd)
  return self unless @trace_var.kind_of? Array

  opts = _check_trace_opt(opts)

  idx = -1
  if USE_OLD_TRACE_OPTION_STYLE
    newopts = ''
    @trace_var.each_with_index{|e, i|
      if idx < 0 && e[1] == cmd
        diff = false
        ['a', 'r', 'w', 'u'].each{|c|
          break if (diff = e[0].index(c) ^ opts.index(c))
        }
        unless diff
          #find
          idx = i
          next
        end
      end
      e[0].each_byte{|c| newopts.concat(c.chr) unless newopts.index(c.chr)}
    }
  else
    newopts = []
    @trace_var.each_with_index{|e, i|
      if idx < 0 && e[1] == cmd &&
          e[0].size == opts.size && (e[0] - opts).empty?
        # find
        idx = i
        next
      end
      newopts |= e[0]
    }
  end

  if idx >= 0
    @trace_var.delete_at(idx)
  else
    return self
  end

  (@trace_elem ||= {}).each{|elem|
    @trace_elem[elem].each{|e|
      if USE_OLD_TRACE_OPTION_STYLE
        e[0].each_byte{|c| newopts.concat(c.chr) unless newopts.index(c.chr)}
      else
        newopts |= e[0]
      end
    }
  }

  if USE_OLD_TRACE_OPTION_STYLE
    diff = false
    @trace_opts.each_byte{|c| break if (diff = ! newopts.index(c))}
    if diff
      Tk.tk_call_without_enc('trace', 'vdelete',
                             @id, @trace_opts, 'rb_var ' << @id)
      @trace_opts.replace(newopts)
      unless @trace_opts.empty?
        Tk.tk_call_without_enc('trace', 'variable',
                               @id, @trace_opts, 'rb_var ' << @id)
      end
    end
  else
    unless (@trace_opts - newopts).empty?
      Tk.tk_call_without_enc('trace', 'remove', 'variable',
                             @id, @trace_opts, 'rb_var ' << @id)
      @trace_opts.replace(newopts)
      unless @trace_opts.empty?
        Tk.tk_call_without_enc('trace', 'add', 'variable',
                               @id, @trace_opts, 'rb_var ' << @id)
      end
    end
  end

  self
end

#trace_remove_for_element(elem, opts, cmd) ⇒ Object Also known as: trace_delete_for_element, trace_vdelete_for_element


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# File 'lib/tk/variable.rb', line 1558

def trace_remove_for_element(elem,opts,cmd)
  if @elem
    fail(RuntimeError,
         "invalid for a TkVariable which denotes an element of Tcl's array")
  end
  return self unless @trace_elem.kind_of? Hash
  return self unless @trace_elem[elem].kind_of? Array

  opts = _check_trace_opt(opts)

  idx = -1
  if USE_OLD_TRACE_OPTION_STYLE
    @trace_elem[elem].each_with_index{|e, i|
      if idx < 0 && e[1] == cmd
        diff = false
        ['a', 'r', 'w', 'u'].each{|c|
          break if (diff = e[0].index(c) ^ opts.index(c))
        }
        unless diff
          #find
          idx = i
          next
        end
      end
    }
  else
    @trace_elem[elem].each_with_index{|e, i|
      if idx < 0 && e[1] == cmd &&
          e[0].size == opts.size && (e[0] - opts).empty?
        # find
        idx = i
        next
      end
    }
  end

  if idx >= 0
    @trace_elem[elem].delete_at(idx)
  else
    return self
  end

  if USE_OLD_TRACE_OPTION_STYLE
    newopts = ''
    @trace_var.each{|e|
      e[0].each_byte{|c| newopts.concat(c.chr) unless newopts.index(c.chr)}
    }
    @trace_elem.each{|elem|
      @trace_elem[elem].each{|e|
        e[0].each_byte{|c| newopts.concat(c.chr) unless newopts.index(c.chr)}
      }
    }
  else
    newopts = []
    @trace_var.each{|e|
      newopts |= e[0]
    }
    @trace_elem.each{|elem|
      @trace_elem[elem].each{|e|
        e[0].each_byte{|c| newopts.concat(c.chr) unless newopts.index(c.chr)}
      }
    }
  end

  if USE_OLD_TRACE_OPTION_STYLE
    diff = false
    @trace_opts.each_byte{|c| break if (diff = ! newopts.index(c))}
    if diff
      Tk.tk_call_without_enc('trace', 'vdelete',
                             @id, @trace_opts, 'rb_var ' << @id)
      @trace_opts.replace(newopts)
      unless @trace_opts.empty?
        Tk.tk_call_without_enc('trace', 'variable',
                               @id, @trace_opts, 'rb_var ' << @id)
      end
    end
  else
    unless (@trace_opts - newopts).empty?
      Tk.tk_call_without_enc('trace', 'remove', 'variable',
                             @id, @trace_opts, 'rb_var ' << @id)
      @trace_opts.replace(newopts)
      unless @trace_opts.empty?
        Tk.tk_call_without_enc('trace', 'add', 'variable',
                               @id, @trace_opts, 'rb_var ' << @id)
      end
    end
  end

  self
end

#undef_defaultObject


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# File 'lib/tk/variable.rb', line 140

def undef_default
  @default_val = nil
  @def_default = false
  self
end

#unset(*elems) ⇒ Object Also known as: remove


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# File 'lib/tk/variable.rb', line 542

def unset(*elems)
  if elems.empty?
    INTERP._unset_global_var(@id)
  else
    index = elems.collect{|idx| _get_eval_string(idx, true)}.join(',')
    INTERP._unset_global_var2(@id, index)
  end
end

#update(hash) ⇒ Object


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# File 'lib/tk/variable.rb', line 451

def update(hash)
  if (is_scalar?)
    fail RuntimeError, 'cannot update a scalar variable'
  end
  hash.each{|k,v| self[k] = v}
  self
end

#valueObject


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# File 'lib/tk/variable.rb', line 682

def value
  _to_default_type(_value)
end

#value=(val) ⇒ Object


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# File 'lib/tk/variable.rb', line 480

def value=(val)
  val = val._value if !@type && @type != :variable && val.kind_of?(TkVariable)
  if val.kind_of?(Hash)
    self.clear
    val.each{|k, v|
      #INTERP._set_global_var2(@id, _toUTF8(_get_eval_string(k)),
      #                       _toUTF8(_get_eval_string(v)))
      INTERP._set_global_var2(@id, _get_eval_string(k, true),
                              _get_eval_string(v, true))
    }
    self.value
#    elsif val.kind_of?(Array)
=begin
    INTERP._set_global_var(@id, '')
    val.each{|v|
      #INTERP._set_variable(@id, _toUTF8(_get_eval_string(v)),
      INTERP._set_variable(@id, _get_eval_string(v, true),
                           TclTkLib::VarAccessFlag::GLOBAL_ONLY   |
                           TclTkLib::VarAccessFlag::LEAVE_ERR_MSG |
                           TclTkLib::VarAccessFlag::APPEND_VALUE  |
                           TclTkLib::VarAccessFlag::LIST_ELEMENT)
    }
    self.value
=end
#      _fromUTF8(INTERP._set_global_var(@id, array2tk_list(val, true)))
  else
    #_fromUTF8(INTERP._set_global_var(@id, _toUTF8(_get_eval_string(val))))
    _fromUTF8(INTERP._set_global_var(@id, _get_eval_string(val, true)))
  end
end

#variableObject


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# File 'lib/tk/variable.rb', line 833

def variable
  # keeps a Tcl's variable name
  TkVarAccess.new(self._value)
end

#variable_element(*idxs) ⇒ Object


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# File 'lib/tk/variable.rb', line 837

def variable_element(*idxs)
  TkVarAccess.new(_element_value(*idxs))
end

#wait(on_thread = false, check_root = false) ⇒ Object


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# File 'lib/tk/variable.rb', line 363

def wait(on_thread = false, check_root = false)
  on_thread &= (Thread.list.size != 1)
  if on_thread
    if check_root
      INTERP._thread_tkwait('variable', @id)
    else
      INTERP._thread_vwait(@id)
    end
  else
    if check_root
      INTERP._invoke_without_enc('tkwait', 'variable', @id)
    else
      INTERP._invoke_without_enc('vwait', @id)
    end
  end
end

#windowObject


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# File 'lib/tk/variable.rb', line 867

def window
  TkComm.window(self._value)
end

#window_element(*idxs) ⇒ Object


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# File 'lib/tk/variable.rb', line 870

def window_element(*idxs)
  TkComm.window(_element_value(*idxs))
end

#zero?Boolean

Returns:

  • (Boolean)

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# File 'lib/tk/variable.rb', line 1274

def zero?
  numeric.zero?
end

#|(other) ⇒ Object


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# File 'lib/tk/variable.rb', line 1188

def |(other)
  if other.kind_of?(Array)
    self.to_a | other.to_a
  else
    self.to_i | other.to_i
  end
end