Class: TkVariable

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

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
Tk_VARIABLE_ID =
["v".freeze, "00000".taint].freeze
USE_TCLs_SET_VARIABLE_FUNCTIONS =
true

Constants included from TkCore

TkCore::EventFlag, TkCore::INTERP, TkCore::WIDGET_DESTROY_HOOK

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::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

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, #bind, #bind_all, #bind_append, #bind_append_all, #bind_remove, #bind_remove_all, #bindinfo, #bindinfo_all, #image_obj, #install_cmd, #subst, #uninstall_cmd

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_str, #num_or_str, number, #number, string, uninstall_cmd

Methods included from Tk

BinaryString, EncodedString, UTF8_String, add_kinsoku, bell, bell_on_display, const_missing, current_grabs, cursor_display, 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, #root, show_kinsoku, 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, ungrid, unload_tcllibrary, unpack, unplace, update, update_idletasks, utf_to_backslash, utf_to_backslash_sequence

Methods included from Tk::Encoding

#encoding, #encoding=, #encoding_convertfrom, #encoding_convertto, #encoding_dirs, #encoding_dirs=, #encoding_names, #encoding_system, #encoding_system=

Constructor Details

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

Returns a new instance of TkVariable.



267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
# File 'lib/tk/variable.rb', line 267

def initialize(val="", type=nil)
  # @id = Tk_VARIABLE_ID.join('')
  begin
    @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[@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)



44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
# File 'lib/tk/variable.rb', line 44

def TkVariable.callback(id, name1, name2, op)
  #name1,name2,op = tk_split_list(args)
  #name1,name2,op = tk_split_simplelist(args)
  if TkVar_CB_TBL[id]
    #_get_eval_string(TkVar_CB_TBL[name1].trace_callback(name2,op))
    begin
      _get_eval_string(TkVar_CB_TBL[id].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 >-------"
        msg.instance_variable_set(:@encoding, 'utf-8')
      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



91
92
93
94
95
96
97
# File 'lib/tk/variable.rb', line 91

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



1184
1185
1186
1187
1188
1189
1190
1191
# File 'lib/tk/variable.rb', line 1184

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

#&(other) ⇒ Object



1138
1139
1140
1141
1142
1143
1144
# File 'lib/tk/variable.rb', line 1138

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

#*(other) ⇒ Object



1173
1174
1175
1176
1177
1178
1179
1180
# File 'lib/tk/variable.rb', line 1173

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

#**(other) ⇒ Object

begin

number(self._value) % other

rescue

self._value % other

end



1192
1193
1194
# File 'lib/tk/variable.rb', line 1192

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

#+(other) ⇒ Object



1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
# File 'lib/tk/variable.rb', line 1152

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

#-(other) ⇒ Object



1166
1167
1168
1169
1170
1171
1172
# File 'lib/tk/variable.rb', line 1166

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

#/(other) ⇒ Object

begin

number(self._value) * other

rescue

self._value * other

end



1181
1182
1183
# File 'lib/tk/variable.rb', line 1181

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

#<=>(other) ⇒ Object



1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
# File 'lib/tk/variable.rb', line 1230

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



1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
# File 'lib/tk/variable.rb', line 1199

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



1195
1196
1197
# File 'lib/tk/variable.rb', line 1195

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

#[](*idxs) ⇒ Object



669
670
671
# File 'lib/tk/variable.rb', line 669

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

#[]=(*args) ⇒ Object



513
514
515
516
517
518
519
520
521
522
523
524
525
526
# File 'lib/tk/variable.rb', line 513

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)}.join(',')
  INTERP._eval(Kernel.format('global %s; set %s(%s) %s', @id, @id, 
                            index, _get_eval_string(val)))
  #INTERP._eval(Kernel.format('global %s; set %s(%s) %s', @id, @id, 
  #                          _get_eval_string(index), _get_eval_string(val)))
  #INTERP._eval(Kernel.format('set %s(%s) %s', @id, 
  #                          _get_eval_string(index), _get_eval_string(val)))
  #INTERP._eval('set ' + @id + '(' + _get_eval_string(index) + ') ' + 
  #            _get_eval_string(val))
end

#_trace_vinfo_for_element(elem) ⇒ Object



1382
1383
1384
1385
1386
1387
1388
1389
1390
# File 'lib/tk/variable.rb', line 1382

def _trace_vinfo_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

#boolObject



750
751
752
753
754
755
756
757
758
759
760
761
# File 'lib/tk/variable.rb', line 750

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


762
763
764
# File 'lib/tk/variable.rb', line 762

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

#clearObject



426
427
428
429
430
431
432
# File 'lib/tk/variable.rb', line 426

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

#coerce(other) ⇒ Object



1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
# File 'lib/tk/variable.rb', line 1119

def coerce(other)
  case other
  when TkVariable
    [other._value, self._value]
  when String
    [other, self.to_s]
  when Symbol
    [other, self.to_sym]
  when Integer
    [other, self.to_i]
  when Float
    [other, self.to_f]
  when Array
    [other, self.to_a]
  else
    [other, self._value]
  end
end

#default_element_value_type(idxs) ⇒ Object



133
134
135
136
137
138
139
140
# File 'lib/tk/variable.rb', line 133

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



118
119
120
121
122
# File 'lib/tk/variable.rb', line 118

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.



102
103
104
105
106
107
108
109
110
111
# File 'lib/tk/variable.rb', line 102

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



130
131
132
# File 'lib/tk/variable.rb', line 130

def default_value_type
  @type
end

#element_lappend(idxs, *elems) ⇒ Object



1066
1067
1068
1069
1070
1071
1072
# File 'lib/tk/variable.rb', line 1066

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



1098
1099
1100
# File 'lib/tk/variable.rb', line 1098

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

#element_lget_i(elem_idxs, idx) ⇒ Object



1091
1092
1093
# File 'lib/tk/variable.rb', line 1091

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



1078
1079
1080
1081
1082
1083
1084
1085
# File 'lib/tk/variable.rb', line 1078

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



1106
1107
1108
1109
1110
1111
1112
# File 'lib/tk/variable.rb', line 1106

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



915
916
917
# File 'lib/tk/variable.rb', line 915

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

#element_to_i(*idxs) ⇒ Object



908
909
910
# File 'lib/tk/variable.rb', line 908

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

#element_to_s(*idxs) ⇒ Object



924
925
926
# File 'lib/tk/variable.rb', line 924

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

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



960
961
962
# File 'lib/tk/variable.rb', line 960

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

#eventloop_tkwaitObject



371
372
373
# File 'lib/tk/variable.rb', line 371

def eventloop_tkwait
  wait(false, true)
end

#eventloop_wait(check_root = false) ⇒ Object



362
363
364
# File 'lib/tk/variable.rb', line 362

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

#exist?(*elems) ⇒ Boolean

Returns:

  • (Boolean)


398
399
400
401
402
403
404
405
406
407
408
# File 'lib/tk/variable.rb', line 398

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



378
379
380
# File 'lib/tk/variable.rb', line 378

def id
  @id
end

#inspectObject



1114
1115
1116
1117
# File 'lib/tk/variable.rb', line 1114

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

#is_hash?Boolean

Returns:

  • (Boolean)


387
388
389
390
391
392
# File 'lib/tk/variable.rb', line 387

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)


394
395
396
# File 'lib/tk/variable.rb', line 394

def is_scalar?
  ! is_hash?
end

#keysObject



410
411
412
413
414
415
416
417
418
419
# File 'lib/tk/variable.rb', line 410

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



1062
1063
1064
1065
# File 'lib/tk/variable.rb', line 1062

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

#lget_f(idx) ⇒ Object



1095
1096
1097
# File 'lib/tk/variable.rb', line 1095

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

#lget_i(idx) ⇒ Object



1088
1089
1090
# File 'lib/tk/variable.rb', line 1088

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

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



1074
1075
1076
# File 'lib/tk/variable.rb', line 1074

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

#listObject Also known as: to_a



990
991
992
993
# File 'lib/tk/variable.rb', line 990

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

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



995
996
997
# File 'lib/tk/variable.rb', line 995

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

#lset(idx, val) ⇒ Object



1102
1103
1104
1105
# File 'lib/tk/variable.rb', line 1102

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

#nonzero?Boolean

Returns:

  • (Boolean)


1226
1227
1228
# File 'lib/tk/variable.rb', line 1226

def nonzero?
  !(numeric.zero?)
end

#numericObject



705
706
707
# File 'lib/tk/variable.rb', line 705

def numeric
  number(_value)
end

#numeric_element(*idxs) ⇒ Object



708
709
710
# File 'lib/tk/variable.rb', line 708

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

#numlistObject



1000
1001
1002
# File 'lib/tk/variable.rb', line 1000

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

#numlist_element(*idxs) ⇒ Object



1003
1004
1005
# File 'lib/tk/variable.rb', line 1003

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

#procedureObject



874
875
876
# File 'lib/tk/variable.rb', line 874

def procedure
  TkComm.procedure(self._value)
end

#procedure_element(*idxs) ⇒ Object



877
878
879
# File 'lib/tk/variable.rb', line 877

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

#ref(*idxs) ⇒ Object



382
383
384
385
# File 'lib/tk/variable.rb', line 382

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=



765
766
767
768
769
770
771
772
773
774
775
776
777
# File 'lib/tk/variable.rb', line 765

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



779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
# File 'lib/tk/variable.rb', line 779

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



803
804
805
806
# File 'lib/tk/variable.rb', line 803

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=



797
798
799
800
801
# File 'lib/tk/variable.rb', line 797

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

#set_default_element_value_type(idxs, type) ⇒ Object



211
212
213
214
# File 'lib/tk/variable.rb', line 211

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=



112
113
114
115
116
# File 'lib/tk/variable.rb', line 112

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=



205
206
207
208
# File 'lib/tk/variable.rb', line 205

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

#set_element_value(idxs, val) ⇒ Object



678
679
680
681
682
683
684
685
# File 'lib/tk/variable.rb', line 678

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



695
696
697
698
699
700
701
702
703
# File 'lib/tk/variable.rb', line 695

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



1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
# File 'lib/tk/variable.rb', line 1007

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



1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
# File 'lib/tk/variable.rb', line 1023

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



1047
1048
1049
1050
# File 'lib/tk/variable.rb', line 1047

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=



1041
1042
1043
1044
1045
# File 'lib/tk/variable.rb', line 1041

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

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



711
712
713
714
715
716
717
718
719
720
721
# File 'lib/tk/variable.rb', line 711

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



723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
# File 'lib/tk/variable.rb', line 723

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



745
746
747
748
# File 'lib/tk/variable.rb', line 745

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=



739
740
741
742
743
# File 'lib/tk/variable.rb', line 739

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

#set_numlist_element_type(idxs, val) ⇒ Object



1057
1058
1059
1060
# File 'lib/tk/variable.rb', line 1057

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=



1051
1052
1053
1054
1055
# File 'lib/tk/variable.rb', line 1051

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

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



880
881
882
883
# File 'lib/tk/variable.rb', line 880

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

#set_procedure_element(idxs, cmd) ⇒ Object



885
886
887
888
889
890
891
892
893
# File 'lib/tk/variable.rb', line 885

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



900
901
902
903
# File 'lib/tk/variable.rb', line 900

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=



894
895
896
897
898
# File 'lib/tk/variable.rb', line 894

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

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



930
931
932
933
934
# File 'lib/tk/variable.rb', line 930

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

#set_string_element(idxs, val) ⇒ Object



936
937
938
939
940
941
942
943
944
# File 'lib/tk/variable.rb', line 936

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



951
952
953
954
# File 'lib/tk/variable.rb', line 951

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=



945
946
947
948
949
# File 'lib/tk/variable.rb', line 945

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

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



964
965
966
967
968
# File 'lib/tk/variable.rb', line 964

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

#set_symbol_element(idxs, val) ⇒ Object



970
971
972
973
974
975
976
977
978
# File 'lib/tk/variable.rb', line 970

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



985
986
987
988
# File 'lib/tk/variable.rb', line 985

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=



979
980
981
982
983
# File 'lib/tk/variable.rb', line 979

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

#set_value(val) ⇒ Object



673
674
675
676
# File 'lib/tk/variable.rb', line 673

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

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



687
688
689
690
691
# File 'lib/tk/variable.rb', line 687

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

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



815
816
817
818
819
# File 'lib/tk/variable.rb', line 815

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

#set_variable_element(idxs, var) ⇒ Object



821
822
823
824
825
826
827
828
829
# File 'lib/tk/variable.rb', line 821

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



837
838
839
840
# File 'lib/tk/variable.rb', line 837

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=



830
831
832
833
834
835
# File 'lib/tk/variable.rb', line 830

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=



848
849
850
851
852
# File 'lib/tk/variable.rb', line 848

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

#set_window_element(idxs, win) ⇒ Object



854
855
856
857
858
859
860
861
862
# File 'lib/tk/variable.rb', line 854

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



869
870
871
872
# File 'lib/tk/variable.rb', line 869

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=



863
864
865
866
867
# File 'lib/tk/variable.rb', line 863

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

#sizeObject



421
422
423
424
# File 'lib/tk/variable.rb', line 421

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

#string_element(*idxs) ⇒ Object



927
928
929
# File 'lib/tk/variable.rb', line 927

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

#thread_tkwaitObject



374
375
376
# File 'lib/tk/variable.rb', line 374

def thread_tkwait
  wait(true, true)
end

#thread_wait(check_root = false) ⇒ Object



365
366
367
# File 'lib/tk/variable.rb', line 365

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

#tkwait(on_thread = true) ⇒ Object



368
369
370
# File 'lib/tk/variable.rb', line 368

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

#to_evalObject



1251
1252
1253
# File 'lib/tk/variable.rb', line 1251

def to_eval
  @id
end

#to_fObject



912
913
914
# File 'lib/tk/variable.rb', line 912

def to_f
  number(_value).to_f
end

#to_iObject



905
906
907
# File 'lib/tk/variable.rb', line 905

def to_i
  number(_value).to_i
end

#to_sObject Also known as: string



919
920
921
922
# File 'lib/tk/variable.rb', line 919

def to_s
  #string(value).to_s
  _value
end

#to_symObject Also known as: symbol



956
957
958
# File 'lib/tk/variable.rb', line 956

def to_sym
  _value.intern
end

#trace(opts, cmd = Proc.new) ⇒ Object



1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
# File 'lib/tk/variable.rb', line 1266

def trace(opts, cmd = Proc.new)
  @trace_var = [] if @trace_var == nil
  #opts = ['r','w','u'].find_all{|c| opts.index(c)}.join('')
  opts = opts.to_s
  opts = ['r','w','u'].find_all{|c| opts.index(c)}.join('')
  @trace_var.unshift([opts,cmd])
  if @trace_opts == nil
    TkVar_CB_TBL[@id] = self
    @trace_opts = opts.dup
    Tk.tk_call_without_enc('trace', 'variable', @id, @trace_opts, 
                           'rb_var ' << @id)
=begin
    if /^(8\.([4-9]|[1-9][0-9])|9\.|[1-9][0-9])/ =~ Tk::TCL_VERSION
      # TCL_VERSION >= 8.4
      Tk.tk_call_without_enc('trace', 'add', 'variable', 
                             @id, @trace_opts, 'rb_var')
    else
      # TCL_VERSION <= 8.3
      Tk.tk_call_without_enc('trace', 'variable', @id, @trace_opts, 'rb_var')
    end
=end
  else
    newopts = @trace_opts.dup
    #opts.each_byte{|c| newopts += c.chr unless newopts.index(c)}
    opts.each_byte{|c| newopts.concat(c.chr) unless newopts.index(c)}
    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)
=begin
      if /^(8\.([4-9]|[1-9][0-9])|9\.|[1-9][0-9])/ =~ Tk::TCL_VERSION
        # TCL_VERSION >= 8.4
        Tk.tk_call_without_enc('trace', 'remove', 'variable', 
                               @id, @trace_opts, 'rb_var')
        @trace_opts.replace(newopts)
        Tk.tk_call_without_enc('trace', 'add', 'variable', 
                               @id, @trace_opts, 'rb_var')
      else
        # TCL_VERSION <= 8.3
        Tk.tk_call_without_enc('trace', 'vdelete', 
                               @id, @trace_opts, 'rb_var')
        @trace_opts.replace(newopts)
        Tk.tk_call_without_enc('trace', 'variable', 
                               @id, @trace_opts, 'rb_var')
      end
=end
    end
  end
  self
end

#trace_callback(elem, op) ⇒ Object



1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
# File 'lib/tk/variable.rb', line 1255

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



1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
# File 'lib/tk/variable.rb', line 1319

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
  @trace_elem = {} if @trace_elem == nil
  @trace_elem[elem] = [] if @trace_elem[elem] == nil
  opts = opts.to_s
  opts = ['r','w','u'].find_all{|c| opts.index(c)}.join('')
  @trace_elem[elem].unshift([opts,cmd])
  if @trace_opts == nil
    TkVar_CB_TBL[@id] = self
    @trace_opts = opts.dup
    Tk.tk_call_without_enc('trace', 'variable', @id, @trace_opts, 
                           'rb_var ' << @id)
=begin
    if /^(8\.([4-9]|[1-9][0-9])|9\.|[1-9][0-9])/ =~ Tk::TCL_VERSION
      # TCL_VERSION >= 8.4
      Tk.tk_call_without_enc('trace', 'add', 'variable', 
                             @id, @trace_opts, 'rb_var')
    else
      # TCL_VERSION <= 8.3
      Tk.tk_call_without_enc('trace', 'variable', 
                             @id, @trace_opts, 'rb_var')
    end
=end
  else
    newopts = @trace_opts.dup
    # opts.each_byte{|c| newopts += c.chr unless newopts.index(c)}
    opts.each_byte{|c| newopts.concat(c.chr) unless newopts.index(c)}
    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)
=begin
      if /^(8\.([4-9]|[1-9][0-9])|9\.|[1-9][0-9])/ =~ Tk::TCL_VERSION
        # TCL_VERSION >= 8.4
        Tk.tk_call_without_enc('trace', 'remove', 'variable', 
                               @id, @trace_opts, 'rb_var')
        @trace_opts.replace(newopts)
        Tk.tk_call_without_enc('trace', 'add', 'variable', 
                               @id, @trace_opts, 'rb_var')
      else
        # TCL_VERSION <= 8.3
        Tk.tk_call_without_enc('trace', 'vdelete', 
                               @id, @trace_opts, 'rb_var')
        @trace_opts.replace(newopts)
        Tk.tk_call_without_enc('trace', 'variable', 
                               @id, @trace_opts, 'rb_var')
      end
=end
    end
  end
  self
end

#trace_vdelete(opts, cmd) ⇒ Object



1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
# File 'lib/tk/variable.rb', line 1392

def trace_vdelete(opts,cmd)
  return self unless @trace_var.kind_of? Array
  opts = opts.to_s
  opts = ['r','w','u'].find_all{|c| opts.index(c)}.join('')
  idx = -1
  newopts = ''
  @trace_var.each_with_index{|e,i| 
    if idx < 0 && e[0] == opts && e[1] == cmd
      idx = i
      next
    end
    # e[0].each_byte{|c| newopts += c.chr unless newopts.index(c)}
    e[0].each_byte{|c| newopts.concat(c.chr) unless newopts.index(c)}
  }
  if idx >= 0
    @trace_var.delete_at(idx) 
  else
    return self
  end

  @trace_elem.each{|elem|
    @trace_elem[elem].each{|e|
      # e[0].each_byte{|c| newopts += c.chr unless newopts.index(c)}
      e[0].each_byte{|c| newopts.concat(c.chr) unless newopts.index(c)}
    }
  }

  newopts = newopts.to_s
  newopts = ['r','w','u'].find_all{|c| newopts.index(c)}.join('')
  if newopts != @trace_opts
    Tk.tk_call_without_enc('trace', 'vdelete', @id, @trace_opts, 
                           'rb_var ' << @id)
=begin
    if /^(8\.([4-9]|[1-9][0-9])|9\.|[1-9][0-9])/ =~ Tk::TCL_VERSION
      # TCL_VERSION >= 8.4
      Tk.tk_call_without_enc('trace', 'remove', 'variable', 
                             @id, @trace_opts, 'rb_var')
    else
      # TCL_VERSION <= 8.3
      Tk.tk_call_without_enc('trace', 'vdelete', 
                             @id, @trace_opts, 'rb_var')
    end
=end
    @trace_opts.replace(newopts)
    if @trace_opts != ''
      Tk.tk_call_without_enc('trace', 'variable', @id, @trace_opts, 
                             'rb_var ' << @id)
=begin
      if /^(8\.([4-9]|[1-9][0-9])|9\.|[1-9][0-9])/ =~ Tk::TCL_VERSION
        # TCL_VERSION >= 8.4
        Tk.tk_call_without_enc('trace', 'add', 'variable', 
                               @id, @trace_opts, 'rb_var')
      else
        # TCL_VERSION <= 8.3
        Tk.tk_call_without_enc('trace', 'variable', 
                               @id, @trace_opts, 'rb_var')
      end
=end
    end
  end

  self
end

#trace_vdelete_for_element(elem, opts, cmd) ⇒ Object



1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
# File 'lib/tk/variable.rb', line 1456

def trace_vdelete_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 = opts.to_s
  opts = ['r','w','u'].find_all{|c| opts.index(c)}.join('')
  idx = -1
  @trace_elem[elem].each_with_index{|e,i| 
    if idx < 0 && e[0] == opts && e[1] == cmd
      idx = i
      next
    end
  }
  if idx >= 0
    @trace_elem[elem].delete_at(idx)
  else
    return self
  end

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

  newopts = newopts.to_s
  newopts = ['r','w','u'].find_all{|c| newopts.index(c)}.join('')
  if newopts != @trace_opts
    Tk.tk_call_without_enc('trace', 'vdelete', @id, @trace_opts, 
                           'rb_var ' << @id)
=begin
    if /^(8\.([4-9]|[1-9][0-9])|9\.|[1-9][0-9])/ =~ Tk::TCL_VERSION
      # TCL_VERSION >= 8.4
      Tk.tk_call_without_enc('trace', 'remove', 'variable', 
                             @id, @trace_opts, 'rb_var')
    else
      # TCL_VERSION <= 8.3
      Tk.tk_call_without_enc('trace', 'vdelete', 
                             @id, @trace_opts, 'rb_var')
    end
=end
    @trace_opts.replace(newopts)
    if @trace_opts != ''
      Tk.tk_call_without_enc('trace', 'variable', @id, @trace_opts, 
                             'rb_var ' << @id)
=begin
      if /^(8\.([4-9]|[1-9][0-9])|9\.|[1-9][0-9])/ =~ Tk::TCL_VERSION
        # TCL_VERSION >= 8.4
        Tk.tk_call_without_enc('trace', 'add', 'variable', 
                               @id, @trace_opts, 'rb_var')
      else
        # TCL_VERSION <= 8.3
        Tk.tk_call_without_enc('trace', 'variable', @id, 
                               @trace_opts, 'rb_var')
      end
=end
    end
  end

  self
end

#trace_vinfoObject



1377
1378
1379
1380
# File 'lib/tk/variable.rb', line 1377

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

#undef_defaultObject



124
125
126
127
128
# File 'lib/tk/variable.rb', line 124

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

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



525
526
527
528
529
530
531
532
533
534
535
536
537
538
# File 'lib/tk/variable.rb', line 525

def unset(*elems)
  if elems.empty?
    INTERP._eval(Kernel.format('global %s; unset %s', @id, @id))
    #INTERP._eval(Kernel.format('unset %s', @id))
    #INTERP._eval('unset ' + @id)
  else
    index = elems.collect{|idx| _get_eval_string(idx, true)}.join(',')
    INTERP._eval(Kernel.format('global %s; unset %s(%s)', @id, @id, index))
    #INTERP._eval(Kernel.format('global %s; unset %s(%s)', 
    #                           @id, @id, _get_eval_string(elem)))
    #INTERP._eval(Kernel.format('unset %s(%s)', @id, tk_tcl2ruby(elem)))
    #INTERP._eval('unset ' + @id + '(' + _get_eval_string(elem) + ')')
  end
end

#update(hash) ⇒ Object



434
435
436
437
438
439
440
# File 'lib/tk/variable.rb', line 434

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

#valueObject



665
666
667
# File 'lib/tk/variable.rb', line 665

def value
  _to_default_type(_value)
end

#value=(val) ⇒ Object



463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
# File 'lib/tk/variable.rb', line 463

def value=(val)
  val = val._value if !@type && @type != :variable && val.kind_of?(TkVariable)
  begin
    #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._eval(Kernel.format('set %s %s', @id, s))
    #_fromUTF8(INTERP._invoke_without_enc('set', @id, _toUTF8(s)))
  rescue
    if INTERP._eval(Kernel.format('global %s; array exists %s', 
                          @id, @id)) != "1"
    #if INTERP._eval(Kernel.format('array exists %s', @id)) != "1"
    #if INTERP._invoke_without_enc('array', 'exists', @id) != "1"
      fail
    else
      if val == []
        INTERP._eval(Kernel.format('global %s; unset %s; set %s(0) 0; unset %s(0)', @id, @id, @id, @id))
        #INTERP._eval(Kernel.format('unset %s; set %s(0) 0; unset %s(0)', 
        #                          @id, @id, @id))
        #INTERP._invoke_without_enc('unset', @id)
        #INTERP._invoke_without_enc('set', @id+'(0)', 0)
        #INTERP._invoke_without_enc('unset', @id+'(0)')
      elsif val.kind_of?(Array)
        a = []
        val.each_with_index{|e,i| a.push(i); a.push(array2tk_list(e, true))}
        #s = '"' + a.join(" ").gsub(/[\[\]$"]/, '\\\\\&') + '"'
        s = '"' + a.join(" ").gsub(/[\[\]$"\\]/, '\\\\\&') + '"'
        INTERP._eval(Kernel.format('global %s; unset %s; array set %s %s', 
                                   @id, @id, @id, s))
        #INTERP._eval(Kernel.format('unset %s; array set %s %s', 
        #                          @id, @id, s))
        #INTERP._invoke_without_enc('unset', @id)
        #_fromUTF8(INTERP._invoke_without_enc('array','set', @id, _toUTF8(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, true)}.join(" ")\
                              .gsub(/[\[\]$\\"]/, '\\\\\&') + '"'
        INTERP._eval(Kernel.format('global %s; unset %s; array set %s %s', 
                                   @id, @id, @id, s))
        #INTERP._eval(Kernel.format('unset %s; array set %s %s', 
        #                          @id, @id, s))
        #INTERP._invoke_without_enc('unset', @id)
        #_fromUTF8(INTERP._invoke_without_enc('array','set', @id, _toUTF8(s)))
      else
        fail
      end
    end
  end
end

#variableObject



808
809
810
811
# File 'lib/tk/variable.rb', line 808

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

#variable_element(*idxs) ⇒ Object



812
813
814
# File 'lib/tk/variable.rb', line 812

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

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



343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
# File 'lib/tk/variable.rb', line 343

def wait(on_thread = false, check_root = false)
  if $SAFE >= 4
    fail SecurityError, "can't wait variable at $SAFE >= 4"
  end
  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



842
843
844
# File 'lib/tk/variable.rb', line 842

def window
  TkComm.window(self._value)
end

#window_element(*idxs) ⇒ Object



845
846
847
# File 'lib/tk/variable.rb', line 845

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

#zero?Boolean

Returns:

  • (Boolean)


1223
1224
1225
# File 'lib/tk/variable.rb', line 1223

def zero?
  numeric.zero?
end

#|(other) ⇒ Object



1145
1146
1147
1148
1149
1150
1151
# File 'lib/tk/variable.rb', line 1145

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