Class: TkVarAccess

Inherits:
TkVariable show all
Defined in:
lib/tk/variable.rb

Constant Summary

Constants inherited from TkVariable

TkVariable::TkCommandNames, TkVariable::TkVar_CB_TBL, TkVariable::TkVar_ID_TBL, TkVariable::USE_OLD_TRACE_OPTION_STYLE, TkVariable::USE_TCLs_SET_VARIABLE_FUNCTIONS

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::TkCommandNames, Tk::Encoding::UNKNOWN, Tk::Encoding::UTF8_NAME

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from TkVariable

#%, #&, #*, #**, #+, #[email protected], #-, #[email protected], #/, #<=>, #==, #===, #=~, #[], #[]=, #bool, #bool_element, callback, #clear, #coerce, #default_element_value_type, #default_proc, #default_value, #default_value_type, #element_lappend, #element_lget_f, #element_lget_i, #element_lindex, #element_lset, #element_to_f, #element_to_i, #element_to_s, #element_to_sym, #eventloop_tkwait, #eventloop_wait, #exist?, #id, #inspect, #is_hash?, #is_scalar?, #keys, #lappend, #lget_f, #lget_i, #lindex, #list, #list_element, #lset, #nonzero?, #numeric, #numeric_element, #numlist, #numlist_element, #procedure, #procedure_element, #ref, #set_bool, #set_bool_element, #set_bool_element_type, #set_bool_type, #set_default_element_value_type, #set_default_value, #set_default_value_type, #set_element_value, #set_element_value_type, #set_list, #set_list_element, #set_list_element_type, #set_list_type, #set_numeric, #set_numeric_element, #set_numeric_element_type, #set_numeric_type, #set_numlist_element_type, #set_numlist_type, #set_procedure, #set_procedure_element, #set_procedure_element_type, #set_procedure_type, #set_string, #set_string_element, #set_string_element_type, #set_string_type, #set_symbol, #set_symbol_element, #set_symbol_element_type, #set_symbol_type, #set_value, #set_value_type, #set_variable, #set_variable_element, #set_variable_element_type, #set_variable_type, #set_window, #set_window_element, #set_window_element_type, #set_window_type, #size, #string_element, #thread_tkwait, #thread_wait, #tkwait, #to_eval, #to_f, #to_hash, #to_i, #to_proc, #to_s, #to_sym, #trace, #trace_callback, #trace_element, #trace_info, #trace_info_for_element, #trace_remove, #trace_remove_for_element, #undef_default, #unset, #update, #value, #value=, #variable, #variable_element, #wait, #window, #window_element, #zero?, #|

Methods included from TkCore

#_tk_call_to_list_core, #after, #after_cancel, #after_idle, #appname, #appsend, #appsend_deny, #appsend_displayof, callback, #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, bool, callback, eval_cmd, hash_kv, #hash_kv, install_cmd, num_or_nil, #num_or_nil, #num_or_str, num_or_str, #number, number, string, #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, 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(varname, val = nil) ⇒ TkVarAccess

Returns a new instance of TkVarAccess.


1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
# File 'lib/tk/variable.rb', line 1716

def initialize(varname, val=nil)
  # @id = varname
  # 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 }

  # is an element?
  if @id =~ /^([^(]+)\((.+)\)$/
    # is an element --> var == $1, elem == $2
    @var  = $1
    @elem = $2
  end

  # teach Tk-ip that @id is global var
  INTERP._invoke_without_enc('global', @var)
=begin
  begin
    INTERP._invoke_without_enc('global', @id)
  rescue => e
    if @id =~ /^(.+)\([^()]+\)$/
      # is an element --> varname == $1
      INTERP._invoke_without_enc('global', $1)
    else
      fail e
    end
  end
=end

  if val
    if val.kind_of?(Hash)
      # assoc-array variable
      self[''] = 0
      self.clear
    end
    #s = '"' + _get_eval_string(val).gsub(/[\[\]$"]/, '\\\\\&') + '"' #"
    #s = '"' + _get_eval_string(val).gsub(/[\[\]$"\\]/, '\\\\\&') + '"' #"
    #INTERP._eval(Kernel.format('global %s; set %s %s', @id, @id, s))
    #INTERP._set_global_var(@id, _toUTF8(_get_eval_string(val)))
    self.value = val
  end
end

Class Method Details

.new(name, *args) ⇒ Object


1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
# File 'lib/tk/variable.rb', line 1655

def self.new(name, *args)
  if name.kind_of?(TkVariable)
    name.value = args[0] unless args.empty?
    return name
  end

  name = name.to_s
  v = nil
  TkVar_ID_TBL.mutex.synchronize{
    if v = TkVar_ID_TBL[name]
      v.value = args[0] unless args.empty?
      return v
    else
      (v = self.allocate).instance_eval{
        @id = name
        TkVar_ID_TBL[@id] = self
        @var = @id
      }
    end
  }

  v.instance_eval{ initialize(name, *args) }
  v
end

.new_hash(name, *args) ⇒ Object


1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
# File 'lib/tk/variable.rb', line 1680

def self.new_hash(name, *args)
  if name.kind_of?(TkVariable)
    unless name.is_hash?
      fail ArgumentError, "already exist as a scalar variable"
    end
    name.value = args[0] unless args.empty?
    return name
  end

  name = name.to_s
  v = nil
  TkVar_ID_TBL.mutex.synchronize{
    if v = TkVar_ID_TBL[name]
      unless v.is_hash?
        fail ArgumentError, "already exist as a scalar variable"
      end
      v.value = args[0] unless args.empty?
      return v
    else
      (v = self.allocate).instance_eval{
        @id = name
        TkVar_ID_TBL[@id] = self
        @var = @id
      }
    end
  }

  INTERP._invoke_without_enc('global', name)
  if args.empty? && INTERP._invoke_without_enc('array', 'exist', name) == '0'
    v.instance_eval{ initialize(name, {}) }  # force creating
  else
    v.instance_eval{ initialize(name, *args) }
  end
  v
end