From 24d2225afde5beb0771c8987c2e1c80ce900b52a Mon Sep 17 00:00:00 2001
From: nagai <nagai@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 9 Jul 2004 19:29:29 +0000
Subject: * ext/tk/lib/tk.rb: better operation for SIGINT when processing
 callbacks. * ext/tk/lib/tk/msgcat.rb: ditto. * ext/tk/lib/tk/variable.rb:
 ditto. * ext/tk/lib/tk/timer.rb: ditto. * ext/tk/lib/tk/validation.rb: add
 Tk::ValidateConfigure.__def_validcmd()   to define validatecommand methods
 easier

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@6608 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/tk/ChangeLog.tkextlib                          |  16 ++
 ext/tk/MANIFEST                                    |  22 +-
 ext/tk/lib/tk.rb                                   |   4 +
 ext/tk/lib/tk/canvastag.rb                         |   5 +-
 ext/tk/lib/tk/msgcat.rb                            |   4 +
 ext/tk/lib/tk/timer.rb                             |   5 +
 ext/tk/lib/tk/validation.rb                        |  62 ++++-
 ext/tk/lib/tk/variable.rb                          |   4 +
 ext/tk/lib/tk/winfo.rb                             |   3 +
 ext/tk/lib/tkextlib/itk/incr_tk.rb                 |   1 +
 ext/tk/lib/tkextlib/iwidgets.rb                    |  11 +
 ext/tk/lib/tkextlib/iwidgets/buttonbox.rb          |   3 +-
 ext/tk/lib/tkextlib/iwidgets/calendar.rb           |   3 +
 ext/tk/lib/tkextlib/iwidgets/checkbox.rb           |   3 +-
 ext/tk/lib/tkextlib/iwidgets/combobox.rb           |   3 +-
 ext/tk/lib/tkextlib/iwidgets/datefield.rb          |   3 +-
 ext/tk/lib/tkextlib/iwidgets/dialogshell.rb        |   3 +-
 ext/tk/lib/tkextlib/iwidgets/entryfield.rb         |   3 +
 ext/tk/lib/tkextlib/iwidgets/hierarchy.rb          | 294 +++++++++++++++++++++
 ext/tk/lib/tkextlib/iwidgets/hyperhelp.rb          |  40 +++
 ext/tk/lib/tkextlib/iwidgets/mainwindow.rb         |  52 ++++
 ext/tk/lib/tkextlib/iwidgets/messagebox.rb         |  81 ++++++
 ext/tk/lib/tkextlib/iwidgets/messagedialog.rb      |  20 ++
 ext/tk/lib/tkextlib/iwidgets/radiobox.rb           | 107 ++++++++
 ext/tk/lib/tkextlib/iwidgets/scrolledwidget.rb     |  20 ++
 ext/tk/lib/tkextlib/iwidgets/timeentry.rb          |  20 ++
 ext/tk/lib/tkextlib/iwidgets/timefield.rb          |  43 +++
 ext/tk/lib/tkextlib/iwidgets/toolbar.rb            |  86 ++++++
 ext/tk/lib/tkextlib/iwidgets/watch.rb              |  45 ++++
 ext/tk/lib/tkextlib/tcllib.rb                      |  29 +-
 ext/tk/lib/tkextlib/tcllib/autoscroll.rb           |   8 +-
 ext/tk/lib/tkextlib/tcllib/ctext.rb                |   2 +-
 ext/tk/lib/tkextlib/treectrl/tktreectrl.rb         |   8 +-
 ext/tk/lib/tkextlib/vu/pie.rb                      |   1 +
 ext/tk/lib/tkextlib/vu/spinbox.rb                  |   7 +-
 .../sample/tkextlib/iwidgets/sample/hierarchy.rb   |  25 ++
 .../sample/tkextlib/iwidgets/sample/hyperhelp.rb   |  14 +
 .../sample/tkextlib/iwidgets/sample/messagebox1.rb |  19 ++
 .../sample/tkextlib/iwidgets/sample/messagebox2.rb |  19 ++
 .../tkextlib/iwidgets/sample/messagedialog.rb      |  44 +++
 ext/tk/sample/tkextlib/iwidgets/sample/radiobox.rb |  13 +
 .../sample/tkextlib/iwidgets/sample/timeentry.rb   |   7 +
 .../sample/tkextlib/iwidgets/sample/timefield.rb   |   8 +
 ext/tk/sample/tkextlib/iwidgets/sample/watch.rb    |  18 ++
 ext/tk/tkutil.c                                    |   4 +
 45 files changed, 1171 insertions(+), 21 deletions(-)
 create mode 100644 ext/tk/lib/tkextlib/iwidgets/hierarchy.rb
 create mode 100644 ext/tk/lib/tkextlib/iwidgets/hyperhelp.rb
 create mode 100644 ext/tk/lib/tkextlib/iwidgets/mainwindow.rb
 create mode 100644 ext/tk/lib/tkextlib/iwidgets/messagebox.rb
 create mode 100644 ext/tk/lib/tkextlib/iwidgets/messagedialog.rb
 create mode 100644 ext/tk/lib/tkextlib/iwidgets/radiobox.rb
 create mode 100644 ext/tk/lib/tkextlib/iwidgets/scrolledwidget.rb
 create mode 100644 ext/tk/lib/tkextlib/iwidgets/timeentry.rb
 create mode 100644 ext/tk/lib/tkextlib/iwidgets/timefield.rb
 create mode 100644 ext/tk/lib/tkextlib/iwidgets/toolbar.rb
 create mode 100644 ext/tk/lib/tkextlib/iwidgets/watch.rb
 create mode 100644 ext/tk/sample/tkextlib/iwidgets/sample/hierarchy.rb
 create mode 100644 ext/tk/sample/tkextlib/iwidgets/sample/hyperhelp.rb
 create mode 100644 ext/tk/sample/tkextlib/iwidgets/sample/messagebox1.rb
 create mode 100644 ext/tk/sample/tkextlib/iwidgets/sample/messagebox2.rb
 create mode 100644 ext/tk/sample/tkextlib/iwidgets/sample/messagedialog.rb
 create mode 100644 ext/tk/sample/tkextlib/iwidgets/sample/radiobox.rb
 create mode 100644 ext/tk/sample/tkextlib/iwidgets/sample/timeentry.rb
 create mode 100644 ext/tk/sample/tkextlib/iwidgets/sample/timefield.rb
 create mode 100644 ext/tk/sample/tkextlib/iwidgets/sample/watch.rb

(limited to 'ext')

diff --git a/ext/tk/ChangeLog.tkextlib b/ext/tk/ChangeLog.tkextlib
index 5045ae36a4..484624b179 100644
--- a/ext/tk/ChangeLog.tkextlib
+++ b/ext/tk/ChangeLog.tkextlib
@@ -1,3 +1,19 @@
+2004-07-10  Hidetoshi NAGAI  <nagai@ai.kyutech.ac.jp>
+
+	* bug fix
+
+	* add more part of [incr Widget] support (about 65%? are complete)
+
+	* use Tk::ValidateConfigure.__def_validcmd() method
+          (new function to define validatecommand methods easier)
+
+	* tcllib.rb : avoid the loading trouble that almost all part of 
+	  the extension is not available when some libraries are invalid. 
+
+2004-07-09  Hidetoshi NAGAI  <nagai@ai.kyutech.ac.jp>
+
+	* add some part of [incr Widget] support (about 50%? are complete)
+
 2004-07-07  Hidetoshi NAGAI  <nagai@ai.kyutech.ac.jp>
 
 	* add [incr Tck], [incr Tk] support
diff --git a/ext/tk/MANIFEST b/ext/tk/MANIFEST
index 2a912a013c..e80b654306 100644
--- a/ext/tk/MANIFEST
+++ b/ext/tk/MANIFEST
@@ -139,7 +139,6 @@ lib/tkextlib/itk/setup.rb
 lib/tkextlib/iwidgets.rb
 lib/tkextlib/iwidgets/buttonbox.rb
 lib/tkextlib/iwidgets/calendar.rb
-lib/tkextlib/iwidgets/setup.rb
 lib/tkextlib/iwidgets/canvasprintbox.rb
 lib/tkextlib/iwidgets/canvasprintdialog.rb
 lib/tkextlib/iwidgets/checkbox.rb
@@ -157,9 +156,21 @@ lib/tkextlib/iwidgets/feedback.rb
 lib/tkextlib/iwidgets/fileselectionbox.rb
 lib/tkextlib/iwidgets/fileselectiondialog.rb
 lib/tkextlib/iwidgets/finddialog.rb
+lib/tkextlib/iwidgets/hierarchy.rb
+lib/tkextlib/iwidgets/hyperhelp.rb
 lib/tkextlib/iwidgets/labeledframe.rb
 lib/tkextlib/iwidgets/labeledwidget.rb
+lib/tkextlib/iwidgets/mainwindow.rb
+lib/tkextlib/iwidgets/messagebox.rb
+lib/tkextlib/iwidgets/messagedialog.rb
+lib/tkextlib/iwidgets/radiobox.rb
+lib/tkextlib/iwidgets/scrolledwidget.rb
+lib/tkextlib/iwidgets/setup.rb
 lib/tkextlib/iwidgets/shell.rb
+lib/tkextlib/iwidgets/timeentry.rb
+lib/tkextlib/iwidgets/timefield.rb
+lib/tkextlib/iwidgets/toolbar.rb
+lib/tkextlib/iwidgets/watch.rb
 lib/tkextlib/tcllib.rb
 lib/tkextlib/tcllib/README
 lib/tkextlib/tcllib/autoscroll.rb
@@ -482,8 +493,17 @@ sample/tkextlib/iwidgets/sample/extfileselectiondialog.rb
 sample/tkextlib/iwidgets/sample/feedback.rb
 sample/tkextlib/iwidgets/sample/fileselectionbox.rb
 sample/tkextlib/iwidgets/sample/fileselectiondialog.rb
+sample/tkextlib/iwidgets/sample/hierarchy.rb
+sample/tkextlib/iwidgets/sample/hyperhelp.rb
 sample/tkextlib/iwidgets/sample/labeledwidget.rb
+sample/tkextlib/iwidgets/sample/messagebox1.rb
+sample/tkextlib/iwidgets/sample/messagebox2.rb
+sample/tkextlib/iwidgets/sample/messagedialog.rb
+sample/tkextlib/iwidgets/sample/radiobox.rb
 sample/tkextlib/iwidgets/sample/shell.rb
+sample/tkextlib/iwidgets/sample/timeentry.rb
+sample/tkextlib/iwidgets/sample/timefield.rb
+sample/tkextlib/iwidgets/sample/watch.rb
 sample/tkextlib/tcllib/LICENSE.orig
 sample/tkextlib/tcllib/datefield.rb
 sample/tkextlib/tcllib/plotdemos1.rb
diff --git a/ext/tk/lib/tk.rb b/ext/tk/lib/tk.rb
index cae832fc0c..bb2335f107 100644
--- a/ext/tk/lib/tk.rb
+++ b/ext/tk/lib/tk.rb
@@ -1070,6 +1070,10 @@ module TkCore
   def TkCore.callback(*arg)
     begin
       TkCore::INTERP.tk_cmd_tbl[arg.shift].call(*arg)
+    rescue SystemExit
+      exit(0)
+    rescue Interrupt
+      exit!(1)
     rescue Exception => e
       begin
 	msg = _toUTF8(e.class.inspect) + ': ' + 
diff --git a/ext/tk/lib/tk/canvastag.rb b/ext/tk/lib/tk/canvastag.rb
index 1db7b7b768..bcd7a96430 100644
--- a/ext/tk/lib/tk/canvastag.rb
+++ b/ext/tk/lib/tk/canvastag.rb
@@ -2,13 +2,16 @@
 # tk/canvastag.rb - methods for treating canvas tags
 #
 require 'tk'
-require 'tk/canvas'
 require 'tk/tagfont'
 
 module TkcTagAccess
   include TkComm
   include TkTreatTagFont
+end
 
+require 'tk/canvas'
+
+module TkcTagAccess
   def addtag(tag)
     @c.addtag(tag, 'with', @id)
     self
diff --git a/ext/tk/lib/tk/msgcat.rb b/ext/tk/lib/tk/msgcat.rb
index 6c46542faf..361b9a5de3 100644
--- a/ext/tk/lib/tk/msgcat.rb
+++ b/ext/tk/lib/tk/msgcat.rb
@@ -57,6 +57,10 @@ class TkMsgCatalog < TkObject
     return src_str unless cmd       # no cmd -> return src-str (default action)
     begin
       cmd.call(locale, src_str)
+    rescue SystemExit
+      exit(0)
+    rescue Interrupt
+      exit!(1)
     rescue Exception => e
       begin
 	msg = _toUTF8(e.class.inspect) + ': ' + 
diff --git a/ext/tk/lib/tk/timer.rb b/ext/tk/lib/tk/timer.rb
index 3696de168b..fa0a582205 100644
--- a/ext/tk/lib/tk/timer.rb
+++ b/ext/tk/lib/tk/timer.rb
@@ -61,11 +61,16 @@ class TkTimer
     @in_callback = true
     begin
       @return_value = @current_proc.call(self)
+    rescue SystemExit
+      exit(0)
+    rescue Interrupt
+      exit!(1)
     rescue Exception => e
       if @cancel_on_exception && 
 	  @cancel_on_exception.find{|exc| e.kind_of?(exc)}
 	cancel
 	@return_value = e
+	@in_callback = false
 	return e
       else
 	fail e
diff --git a/ext/tk/lib/tk/validation.rb b/ext/tk/lib/tk/validation.rb
index cc205c5ef9..a0bb5feb8b 100644
--- a/ext/tk/lib/tk/validation.rb
+++ b/ext/tk/lib/tk/validation.rb
@@ -5,6 +5,29 @@ require 'tk'
 
 module Tk
   module ValidateConfigure
+    def self.__def_validcmd(scope, klass, keys=nil)
+      keys = klass._config_keys unless keys
+      keys.each{|key|
+	eval("def #{key}(*args, &b)
+                 __validcmd_call(#{klass.name}, '#{key}', *args, &b)
+              end", scope)
+      }
+    end
+
+    def __validcmd_call(klass, key, *args, &b)
+      return cget(key) if args.empty? && !b
+
+      cmd = (b)? proc(&b) : args.shift
+
+      if cmd.kind_of?(klass)
+	configure(key, cmd)
+      elsif !args.empty?
+	configure(key, [cmd, args])
+      else
+	configure(key, cmd)
+      end
+    end
+
     def __validation_class_list
       # maybe need to override
       []
@@ -73,6 +96,29 @@ module Tk
   end
 
   module ItemValidateConfigure
+    def self.__def_validcmd(scope, klass, keys=nil)
+      keys = klass._config_keys unless keys
+      keys.each{|key|
+	eval("def item_#{key}(id, *args, &b)
+                 __item_validcmd_call(#{klass.name}, '#{key}', id, *args, &b)
+              end", scope)
+      }
+    end
+
+    def __item_validcmd_call(tagOrId, klass, key, *args, &b)
+      return itemcget(tagid(tagOrId), key) if args.empty? && !b
+
+      cmd = (b)? proc(&b) : args.shift
+
+      if cmd.kind_of?(klass)
+	itemconfigure(tagid(tagOrId), key, cmd)
+      elsif !args.empty?
+	itemconfigure(tagid(tagOrId), key, [cmd, args])
+      else
+	itemconfigure(tagid(tagOrId), key, cmd)
+      end
+    end
+
     def __item_validation_class_list(id)
       # maybe need to override
       []
@@ -265,6 +311,9 @@ module TkValidation
     super << ValidateCmd
   end
 
+  Tk::ValidateConfigure.__def_validcmd(binding, ValidateCmd)
+
+=begin
   def validatecommand(cmd = Proc.new, args = nil)
     if cmd.kind_of?(ValidateCmd)
       configure('validatecommand', cmd)
@@ -274,8 +323,13 @@ module TkValidation
       configure('validatecommand', cmd)
     end
   end
-  alias vcmd validatecommand
+=end
+#  def validatecommand(*args, &b)
+#    __validcmd_call(ValidateCmd, 'validatecommand', *args, &b)
+#  end
+#  alias vcmd validatecommand
 
+=begin
   def invalidcommand(cmd = Proc.new, args = nil)
     if cmd.kind_of?(ValidateCmd)
       configure('invalidcommand', cmd)
@@ -285,5 +339,9 @@ module TkValidation
       configure('invalidcommand', cmd)
     end
   end
-  alias invcmd invalidcommand
+=end
+#  def invalidcommand(*args, &b)
+#    __validcmd_call(ValidateCmd, 'invalidcommand', *args, &b)
+#  end
+#  alias invcmd invalidcommand
 end
diff --git a/ext/tk/lib/tk/variable.rb b/ext/tk/lib/tk/variable.rb
index bfa19fc18d..6398537bfa 100644
--- a/ext/tk/lib/tk/variable.rb
+++ b/ext/tk/lib/tk/variable.rb
@@ -48,6 +48,10 @@ TkCore::INTERP.add_tk_procs('rb_var', 'args', <<-'EOL')
       #_get_eval_string(TkVar_CB_TBL[name1].trace_callback(name2,op))
       begin
 	_get_eval_string(TkVar_CB_TBL[name1].trace_callback(name2, op))
+      rescue SystemExit
+	exit(0)
+      rescue Interrupt
+	exit!(1)
       rescue Exception => e
 	begin
 	  msg = _toUTF8(e.class.inspect) + ': ' + 
diff --git a/ext/tk/lib/tk/winfo.rb b/ext/tk/lib/tk/winfo.rb
index a3ce2b2cd2..b4cb79a29a 100644
--- a/ext/tk/lib/tk/winfo.rb
+++ b/ext/tk/lib/tk/winfo.rb
@@ -1,6 +1,9 @@
 #
 # tk/winfo.rb : methods for winfo command
 #
+module TkWinfo
+end
+
 require 'tk'
 
 module TkWinfo
diff --git a/ext/tk/lib/tkextlib/itk/incr_tk.rb b/ext/tk/lib/tkextlib/itk/incr_tk.rb
index 1cc52c510b..db01bfe85e 100644
--- a/ext/tk/lib/tkextlib/itk/incr_tk.rb
+++ b/ext/tk/lib/tkextlib/itk/incr_tk.rb
@@ -55,6 +55,7 @@ module Tk
       def component_path(name)
 	window(tk_send('component', name))
       end
+      alias component_widget component_path
 
       def component_invoke(name, cmd, *args)
 	window(tk_send('component', name, cmd, *args))
diff --git a/ext/tk/lib/tkextlib/iwidgets.rb b/ext/tk/lib/tkextlib/iwidgets.rb
index 7edd43346c..0370ad5d23 100644
--- a/ext/tk/lib/tkextlib/iwidgets.rb
+++ b/ext/tk/lib/tkextlib/iwidgets.rb
@@ -50,8 +50,19 @@ module Tk
     autoload :Fileselectionbox,      'tkextlib/iwidgets/fileselectionbox'
     autoload :Fileselectiondialog,   'tkextlib/iwidgets/fileselectiondialog'
     autoload :Finddialog,            'tkextlib/iwidgets/finddialog'
+    autoload :Hierarchy,             'tkextlib/iwidgets/hierarchy'
+    autoload :Hyperhelp,             'tkextlib/iwidgets/hyperhelp'
     autoload :Labeledframe,          'tkextlib/iwidgets/labeledframe'
     autoload :Labeledwidget,         'tkextlib/iwidgets/labeledwidget'
+    autoload :Mainwindow,            'tkextlib/iwidgets/mainwindow'
+    autoload :Messagebox,            'tkextlib/iwidgets/messagebox'
+    autoload :Messagedialog,         'tkextlib/iwidgets/messagedialog'
+    autoload :Radiobox,              'tkextlib/iwidgets/radiobox'
+    autoload :Scrolledwidget,        'tkextlib/iwidgets/scrolledwidget'
     autoload :Shell,                 'tkextlib/iwidgets/shell'
+    autoload :Timeentry,             'tkextlib/iwidgets/timeentry'
+    autoload :Timefield,             'tkextlib/iwidgets/timefield'
+    autoload :Toolbar,               'tkextlib/iwidgets/toolbar'
+    autoload :Watch,                 'tkextlib/iwidgets/watch'
   end
 end
diff --git a/ext/tk/lib/tkextlib/iwidgets/buttonbox.rb b/ext/tk/lib/tkextlib/iwidgets/buttonbox.rb
index fef442a769..5ca48ed229 100644
--- a/ext/tk/lib/tkextlib/iwidgets/buttonbox.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/buttonbox.rb
@@ -36,7 +36,8 @@ class Tk::Iwidgets::Buttonbox
     if tagOrId.kind_of?(Tk::Itk::Component)
       tagOrId.name
     else
-      _get_eval_string(tagOrId)
+      #_get_eval_string(tagOrId)
+      tagOrId
     end
   end
 
diff --git a/ext/tk/lib/tkextlib/iwidgets/calendar.rb b/ext/tk/lib/tkextlib/iwidgets/calendar.rb
index 7a9763addc..dab10b118b 100644
--- a/ext/tk/lib/tkextlib/iwidgets/calendar.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/calendar.rb
@@ -48,6 +48,8 @@ class Tk::Iwidgets::Calendar
     super << CalendarCommand
   end
 
+  Tk::ValidateConfigure.__def_validcmd(binding, CalendarCommand)
+=begin
   def command(cmd = Proc.new, args = nil)
     if cmd.kind_of?(CalendarCommand)
       configure('command', cmd)
@@ -57,6 +59,7 @@ class Tk::Iwidgets::Calendar
       configure('command', cmd)
     end
   end
+=end
 
   ####################################
 
diff --git a/ext/tk/lib/tkextlib/iwidgets/checkbox.rb b/ext/tk/lib/tkextlib/iwidgets/checkbox.rb
index 9845439ac4..5e0fb5e7b6 100644
--- a/ext/tk/lib/tkextlib/iwidgets/checkbox.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/checkbox.rb
@@ -36,7 +36,8 @@ class Tk::Iwidgets::Checkbox
     if tagOrId.kind_of?(Tk::Itk::Component)
       tagOrId.name
     else
-      _get_eval_string(tagOrId)
+      #_get_eval_string(tagOrId)
+      tagOrId
     end
   end
 
diff --git a/ext/tk/lib/tkextlib/iwidgets/combobox.rb b/ext/tk/lib/tkextlib/iwidgets/combobox.rb
index ca0e57c233..1cf10b4004 100644
--- a/ext/tk/lib/tkextlib/iwidgets/combobox.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/combobox.rb
@@ -82,7 +82,7 @@ class Tk::Iwidgets::Combobox
   def sort(*params, &b)
     # see 'lsort' man page about params
     if b
-      tk_call(@path, 'sort', *params, -'command', proc(&b))
+      tk_call(@path, 'sort', '-command', proc(&b), *params)
     else
       tk_call(@path, 'sort', *params)
     end
@@ -91,6 +91,7 @@ class Tk::Iwidgets::Combobox
   def sort_ascending
     tk_call(@path, 'sort', 'ascending')
     self
+  end
   def sort_descending
     tk_call(@path, 'sort', 'descending')
     self
diff --git a/ext/tk/lib/tkextlib/iwidgets/datefield.rb b/ext/tk/lib/tkextlib/iwidgets/datefield.rb
index a757403d6e..924aef9c4d 100644
--- a/ext/tk/lib/tkextlib/iwidgets/datefield.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/datefield.rb
@@ -30,8 +30,9 @@ class Tk::Iwidgets::Datefield
   def valid?
     bool(tk_call(@path, 'isvalid'))
   end
+  alias isvalid? valid?
 
-  def show(date)
+  def show(date=None)
     tk_call(@path, 'show', date)
     self
   end
diff --git a/ext/tk/lib/tkextlib/iwidgets/dialogshell.rb b/ext/tk/lib/tkextlib/iwidgets/dialogshell.rb
index 8359a3c551..4736ebab77 100644
--- a/ext/tk/lib/tkextlib/iwidgets/dialogshell.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/dialogshell.rb
@@ -36,7 +36,8 @@ class Tk::Iwidgets::Dialogshell
     if tagOrId.kind_of?(Tk::Itk::Component)
       tagOrId.name
     else
-      _get_eval_string(tagOrId)
+      #_get_eval_string(tagOrId)
+      tagOrId
     end
   end
 
diff --git a/ext/tk/lib/tkextlib/iwidgets/entryfield.rb b/ext/tk/lib/tkextlib/iwidgets/entryfield.rb
index b38615a671..6299259b9b 100644
--- a/ext/tk/lib/tkextlib/iwidgets/entryfield.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/entryfield.rb
@@ -49,6 +49,8 @@ class Tk::Iwidgets::Entryfield
     super << EntryfieldValidate
   end
 
+  Tk::ValidateConfigure.__def_validcmd(binding, EntryfieldValidate)
+=begin
   def validate(cmd = Proc.new, args = nil)
     if cmd.kind_of?(ValidateCmd)
       configure('validate', cmd)
@@ -68,6 +70,7 @@ class Tk::Iwidgets::Entryfield
       configure('invalid', cmd)
     end
   end
+=end
 
   ####################################
 
diff --git a/ext/tk/lib/tkextlib/iwidgets/hierarchy.rb b/ext/tk/lib/tkextlib/iwidgets/hierarchy.rb
new file mode 100644
index 0000000000..a7024356ac
--- /dev/null
+++ b/ext/tk/lib/tkextlib/iwidgets/hierarchy.rb
@@ -0,0 +1,294 @@
+#
+#  tkextlib/iwidgets/hierarchy.rb
+#                               by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
+#
+
+require 'tk'
+require 'tk/text'
+require 'tkextlib/iwidgets.rb'
+
+module Tk
+  module Iwidgets
+    class Hierarchy < Tk::Iwidgets::Scrolledwidget
+    end
+  end
+end
+
+class Tk::Iwidgets::Hierarchy
+  ItemConfCMD = ['tag'.freeze, 'configure'.freeze].freeze
+  include TkTextTagConfig
+
+  TkCommandNames = ['::iwidgets::hierarchy'.freeze].freeze
+  WidgetClassName = 'Hierarchy'.freeze
+  WidgetClassNames[WidgetClassName] = self
+
+  ####################################
+
+  include Tk::ValidateConfigure
+
+  class QueryCommand < TkValidateCommand
+    class ValidateArgs < TkUtil::CallbackSubst
+      KEY_TBL  = [ [?n, ?s, :node], nil ]
+      PROC_TBL = [ [?s, TkComm.method(:string) ], nil ]
+      _setup_subst_table(KEY_TBL, PROC_TBL);
+
+      def self.ret_val(val)
+	val
+      end
+    end
+
+    def self._config_keys
+      # array of config-option key (string or symbol)
+      ['querycommand']
+    end
+  end
+
+  class IndicatorCommand < TkValidateCommand
+    class ValidateArgs < TkUtil::CallbackSubst
+      KEY_TBL  = [ 
+	[ ?n, ?s, :node ], 
+	[ ?s, ?b, :status ], 
+	nil
+      ]
+
+      PROC_TBL = [ 
+	[ ?s, TkComm.method(:string) ], 
+	[ ?b, TkComm.method(:bool) ], 
+	nil
+      ]
+
+      _setup_subst_table(KEY_TBL, PROC_TBL);
+
+      def self.ret_val(val)
+	val
+      end
+    end
+
+    def self._config_keys
+      # array of config-option key (string or symbol)
+      ['iconcommand', 'icondblcommand', 'imagedblcommand']
+    end
+  end
+
+  class IconCommand < TkValidateCommand
+    class ValidateArgs < TkUtil::CallbackSubst
+      KEY_TBL  = [ 
+	[ ?n, ?s, :node ], 
+	[ ?i, ?s, :icon ], 
+	nil
+      ]
+      PROC_TBL = [ [ ?s, TkComm.method(:string) ], nil ]
+      _setup_subst_table(KEY_TBL, PROC_TBL);
+
+      def self.ret_val(val)
+	val
+      end
+    end
+
+    def self._config_keys
+      # array of config-option key (string or symbol)
+      ['dblclickcommand', 'imagecommand', 'selectcommand']
+    end
+  end
+
+  def __validation_class_list
+    super << QueryCommand << IndicatorCommand << IconCommand
+  end
+
+  Tk::ValidateConfigure.__def_validcmd(binding, QueryCommand)
+  Tk::ValidateConfigure.__def_validcmd(binding, IndicatorCommand)
+  Tk::ValidateConfigure.__def_validcmd(binding, IconCommand)
+
+  ####################################
+
+  def clear
+    tk_call(@path, 'clear')
+    self
+  end
+
+  def collapse(node)
+    tk_call(@path, 'collapse')
+    self
+  end
+
+  def current
+    tk_call(@path, 'current')
+  end
+
+  def draw(mode=None)
+    case mode
+    when None
+      # do nothing
+    when 'now', :now
+      mode = '-now'
+    when 'eventually', :eventually
+      mode = '-eventually'
+    when String, Symbol
+      mode = mode.to_s
+      mode = '-' << mode if mode[0] != ?-
+    end
+    tk_call(@path, 'draw', mode)
+  end
+
+  def expand(node)
+    tk_call(@path, 'expand', node)
+    self
+  end
+
+  def expanded?(node)
+    bool(tk_call(@path, 'expanded', node))
+  end
+
+  def exp_state
+    list(tk_call(@path, 'expState'))
+  end
+  alias expand_state  exp_state
+  alias expanded_list exp_state
+
+  def mark_clear
+    tk_call(@path, 'mark', 'clear')
+    self
+  end
+  def mark_add(*nodes)
+    tk_call(@path, 'mark', 'add', *nodes)
+    self
+  end
+  def mark_remove(*nodes)
+    tk_call(@path, 'mark', 'remove', *nodes)
+    self
+  end
+  def mark_get
+    list(tk_call(@path, 'mark', 'get'))
+  end
+
+  def refresh(node)
+    tk_call(@path, 'refresh', node)
+    self
+  end
+
+  def prune(node)
+    tk_call(@path, 'prune', node)
+    self
+  end
+
+  def selection_clear
+    tk_call(@path, 'selection', 'clear')
+    self
+  end
+  def selection_add(*nodes)
+    tk_call(@path, 'selection', 'add', *nodes)
+    self
+  end
+  def selection_remove(*nodes)
+    tk_call(@path, 'selection', 'remove', *nodes)
+    self
+  end
+  def selection_get
+    list(tk_call(@path, 'selection', 'get'))
+  end
+
+  def toggle(node)
+    tk_call(@path, 'toggle', node)
+    self
+  end
+
+  # based on TkText widget
+
+  def bbox(index)
+    list(tk_send_without_enc('bbox', _get_eval_enc_str(index)))
+  end
+
+  def compare(idx1, op, idx2)
+    bool(tk_send_without_enc('compare', _get_eval_enc_str(idx1), 
+			     op, _get_eval_enc_str(idx2)))
+  end
+
+  def debug
+    bool(tk_send_without_enc('debug'))
+  end
+  def debug=(boolean)
+    tk_send_without_enc('debug', boolean)
+    #self
+    boolean
+  end
+
+  def delete(first, last=None)
+    tk_send_without_enc('delete', first, last)
+    self
+  end
+
+  def dlineinfo(index)
+    list(tk_send_without_enc('dlineinfo', _get_eval_enc_str(index)))
+  end
+
+  def get(*index)
+    _fromUTF8(tk_send_without_enc('get', *index))
+  end
+
+  def index(index)
+    tk_send_without_enc('index', _get_eval_enc_str(index))
+  end
+
+  def insert(index, chars, *tags)
+    if tags[0].kind_of? Array
+      # multiple chars-taglist argument :: str, [tag,...], str, [tag,...], ...
+      args = [chars]
+      while tags.size > 0
+	args << tags.shift.collect{|x|_get_eval_string(x)}.join(' ')  # taglist
+	args << tags.shift if tags.size > 0                           # chars
+      end
+      super index, *args
+    else
+      # single chars-taglist argument :: str, tag, tag, ...
+      if tags.size == 0
+	super index, chars
+      else
+	super index, chars, tags.collect{|x|_get_eval_string(x)}.join(' ')
+      end
+    end
+  end
+
+  def scan_mark(x, y)
+    tk_send_without_enc('scan', 'mark', x, y)
+    self
+  end
+  def scan_dragto(x, y)
+    tk_send_without_enc('scan', 'dragto', x, y)
+    self
+  end
+  def see(index)
+    tk_send_without_enc('see', index)
+    self
+  end
+
+  # based on tk/scrollable.rb
+  def xview(*index)
+    if index.size == 0
+      list(tk_send_without_enc('xview'))
+    else
+      tk_send_without_enc('xview', *index)
+      self
+    end
+  end
+  def xview_moveto(*index)
+    xview('moveto', *index)
+  end
+  def xview_scroll(*index)
+    xview('scroll', *index)
+  end
+
+  def yview(*index)
+    if index.size == 0
+      list(tk_send_without_enc('yview'))
+    else
+      tk_send_without_enc('yview', *index)
+      self
+    end
+  end
+  def yview_moveto(*index)
+    yview('moveto', *index)
+  end
+  def yview_scroll(*index)
+    yview('scroll', *index)
+  end
+end
diff --git a/ext/tk/lib/tkextlib/iwidgets/hyperhelp.rb b/ext/tk/lib/tkextlib/iwidgets/hyperhelp.rb
new file mode 100644
index 0000000000..22e86339a6
--- /dev/null
+++ b/ext/tk/lib/tkextlib/iwidgets/hyperhelp.rb
@@ -0,0 +1,40 @@
+#
+#  tkextlib/iwidgets/hyperhelp.rb
+#                               by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
+#
+
+require 'tk'
+require 'tkextlib/iwidgets.rb'
+
+module Tk
+  module Iwidgets
+    class Hyperhelp < Tk::Iwidgets::Shell
+    end
+  end
+end
+
+class Tk::Iwidgets::Hyperhelp
+  TkCommandNames = ['::iwidgets::hyperhelp'.freeze].freeze
+  WidgetClassName = 'Hyperhelp'.freeze
+  WidgetClassNames[WidgetClassName] = self
+
+  def show_topic(topic)
+    tk_call(@path, 'showtopic', topic)
+    self
+  end
+
+  def follow_link(href)
+    tk_call(@path, 'followlink', href)
+    self
+  end
+
+  def forward
+    tk_call(@path, 'forward')
+    self
+  end
+
+  def back
+    tk_call(@path, 'back')
+    self
+  end
+end
diff --git a/ext/tk/lib/tkextlib/iwidgets/mainwindow.rb b/ext/tk/lib/tkextlib/iwidgets/mainwindow.rb
new file mode 100644
index 0000000000..4570afc6d0
--- /dev/null
+++ b/ext/tk/lib/tkextlib/iwidgets/mainwindow.rb
@@ -0,0 +1,52 @@
+#
+#  tkextlib/iwidgets/mainwindow.rb
+#                               by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
+#
+
+require 'tk'
+require 'tkextlib/iwidgets.rb'
+
+module Tk
+  module Iwidgets
+    class Mainwindow < Tk::Iwidgets::Shell
+    end
+  end
+end
+
+class Tk::Iwidgets::Mainwindow
+  TkCommandNames = ['::iwidgets::mainwindow'.freeze].freeze
+  WidgetClassName = 'Mainwindow'.freeze
+  WidgetClassNames[WidgetClassName] = self
+
+  def child_site
+    window(tk_call(@path, 'childsite'))
+  end
+
+  def menubar(*args)
+    unless args.empty?
+      tk_call(@path, 'menubar', *args)
+    end
+    window(tk_call(@path, 'menubar'))
+  end
+
+  def mousebar(*args)
+    unless args.empty?
+      tk_call(@path, 'mousebar', *args)
+    end
+    window(tk_call(@path, 'mousebar'))
+  end
+
+  def msgd(*args)
+    unless args.empty?
+      tk_call(@path, 'msgd', *args)
+    end
+    window(tk_call(@path, 'msgd'))
+  end
+
+  def toolbar(*args)
+    unless args.empty?
+      tk_call(@path, 'toolbar', *args)
+    end
+    window(tk_call(@path, 'toolbar'))
+  end
+end
diff --git a/ext/tk/lib/tkextlib/iwidgets/messagebox.rb b/ext/tk/lib/tkextlib/iwidgets/messagebox.rb
new file mode 100644
index 0000000000..a9d9775c75
--- /dev/null
+++ b/ext/tk/lib/tkextlib/iwidgets/messagebox.rb
@@ -0,0 +1,81 @@
+#
+#  tkextlib/iwidgets/messagebox.rb
+#                               by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
+#
+
+require 'tk'
+require 'tkextlib/iwidgets.rb'
+
+module Tk
+  module Iwidgets
+    class Messagebox < Tk::Iwidgets::Scrolledwidget
+    end
+  end
+end
+
+class Tk::Iwidgets::Messagebox
+  TkCommandNames = ['::iwidgets::messagebox'.freeze].freeze
+  WidgetClassName = 'Messagebox'.freeze
+  WidgetClassNames[WidgetClassName] = self
+
+  ####################################
+
+  include TkItemConfigMethod
+
+  def __item_cget_cmd(id)
+    [self.path, 'type', 'cget', id]
+  end
+  private :__item_cget_cmd
+
+  def __item_config_cmd(id)
+    [self.path, 'type', 'configure', id]
+  end
+  private :__item_config_cmd
+
+  def tagid(tagOrId)
+    if tagOrId.kind_of?(Tk::Itk::Component)
+      tagOrId.name
+    else
+      #_get_eval_string(tagOrId)
+      tagOrId
+    end
+  end
+
+  alias type_cget itemcget
+  alias type_configure itemconfigure
+  alias type_configinfo itemconfiginfo
+  alias current_type_configinfo current_itemconfiginfo
+
+  private :itemcget, :itemconfigure
+  private :itemconfiginfo, :current_itemconfiginfo
+
+  ####################################
+
+  def type_add(tag=nil, keys={})
+    if tag.kind_of?(Hash)
+      keys = tag
+      tag = nil
+    end
+    unless tag
+      tag = Tk::Itk::Component.new(self)
+    end
+    tk_call(@path, 'type', 'add', tagid(tag), *hash_kv(keys))
+    tag
+  end
+
+  def clear
+    tk_call(@path, 'clear')
+    self
+  end
+
+  def export(file)
+    tk_call(@path, 'export', file)
+    self
+  end
+
+  def issue(string, type=None, *args)
+    tk_call(@path, 'issue', string, tagid(type), *args)
+    self
+  end
+
+end
diff --git a/ext/tk/lib/tkextlib/iwidgets/messagedialog.rb b/ext/tk/lib/tkextlib/iwidgets/messagedialog.rb
new file mode 100644
index 0000000000..c19b83e517
--- /dev/null
+++ b/ext/tk/lib/tkextlib/iwidgets/messagedialog.rb
@@ -0,0 +1,20 @@
+#
+#  tkextlib/iwidgets/messagedialog.rb
+#                               by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
+#
+
+require 'tk'
+require 'tkextlib/iwidgets.rb'
+
+module Tk
+  module Iwidgets
+    class Messagedialog < Tk::Iwidgets::Dialog
+    end
+  end
+end
+
+class Tk::Iwidgets::Messagedialog
+  TkCommandNames = ['::iwidgets::messagedialog'.freeze].freeze
+  WidgetClassName = 'Messagedialog'.freeze
+  WidgetClassNames[WidgetClassName] = self
+end
diff --git a/ext/tk/lib/tkextlib/iwidgets/radiobox.rb b/ext/tk/lib/tkextlib/iwidgets/radiobox.rb
new file mode 100644
index 0000000000..dd96089ffa
--- /dev/null
+++ b/ext/tk/lib/tkextlib/iwidgets/radiobox.rb
@@ -0,0 +1,107 @@
+#
+#  tkextlib/iwidgets/radiobox.rb
+#                               by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
+#
+
+require 'tk'
+require 'tkextlib/iwidgets.rb'
+
+module Tk
+  module Iwidgets
+    class Radiobox < Tk::Iwidgets::Labeledframe
+    end
+  end
+end
+
+class Tk::Iwidgets::Radiobox
+  TkCommandNames = ['::iwidgets::radiobox'.freeze].freeze
+  WidgetClassName = 'Radiobox'.freeze
+  WidgetClassNames[WidgetClassName] = self
+
+  ####################################
+
+  include TkItemConfigMethod
+
+  def __item_cget_cmd(id)
+    [self.path, 'buttoncget', id]
+  end
+  private :__item_cget_cmd
+
+  def __item_config_cmd(id)
+    [self.path, 'buttonconfigure', id]
+  end
+  private :__item_config_cmd
+
+  def tagid(tagOrId)
+    if tagOrId.kind_of?(Tk::Itk::Component)
+      tagOrId.name
+    else
+      #_get_eval_string(tagOrId)
+      tagOrId
+    end
+  end
+
+  alias buttoncget itemcget
+  alias buttonconfigure itemconfigure
+  alias buttonconfiginfo itemconfiginfo
+  alias current_buttonconfiginfo current_itemconfiginfo
+
+  private :itemcget, :itemconfigure
+  private :itemconfiginfo, :current_itemconfiginfo
+
+  ####################################
+
+  def add(tag=nil, keys={})
+    if tag.kind_of?(Hash)
+      keys = tag
+      tag = nil
+    end
+    unless tag
+      tag = Tk::Itk::Component.new(self)
+    end
+    tk_call(@path, 'add', tagid(tag), *hash_kv(keys))
+    tag
+  end
+
+  def delete(idx)
+    tk_call(@path, 'delete', index(idx))
+    self
+  end
+
+  def deselect(idx)
+    tk_call(@path, 'deselect', index(idx))
+    self
+  end
+
+  def flash(idx)
+    tk_call(@path, 'flash', index(idx))
+    self
+  end
+
+  def get(idx)
+    simplelist(tk_call(@path, 'get', index(idx))).collect{|id|
+      Tk::Itk::Component.id2obj(id)
+    }
+  end
+
+  def index(idx)
+    number(tk_call(@path, 'index', tagid(idx)))
+  end
+
+  def insert(idx, tag=nil, keys={})
+    if tag.kind_of?(Hash)
+      keys = tag
+      tag = nil
+    end
+    unless tag
+      tag = Tk::Itk::Component.new(self)
+    end
+    tk_call(@path, 'insert', index(idx), tagid(tag), *hash_kv(keys))
+    tag
+  end
+
+  def select(idx)
+    tk_call(@path, 'select', index(idx))
+    self
+  end
+end
diff --git a/ext/tk/lib/tkextlib/iwidgets/scrolledwidget.rb b/ext/tk/lib/tkextlib/iwidgets/scrolledwidget.rb
new file mode 100644
index 0000000000..eef093d314
--- /dev/null
+++ b/ext/tk/lib/tkextlib/iwidgets/scrolledwidget.rb
@@ -0,0 +1,20 @@
+#
+#  tkextlib/iwidgets/scrolledwidget.rb
+#                               by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
+#
+
+require 'tk'
+require 'tkextlib/iwidgets.rb'
+
+module Tk
+  module Iwidgets
+    class Scrolledwidget < Tk::Iwidgets::Labeledwidget
+    end
+  end
+end
+
+class Tk::Iwidgets::Scrolledwidget
+  TkCommandNames = ['::iwidgets::scrolledwidget'.freeze].freeze
+  WidgetClassName = 'Scrolledwidget'.freeze
+  WidgetClassNames[WidgetClassName] = self
+end
diff --git a/ext/tk/lib/tkextlib/iwidgets/timeentry.rb b/ext/tk/lib/tkextlib/iwidgets/timeentry.rb
new file mode 100644
index 0000000000..987cddc1e0
--- /dev/null
+++ b/ext/tk/lib/tkextlib/iwidgets/timeentry.rb
@@ -0,0 +1,20 @@
+#
+#  tkextlib/iwidgets/timeentry.rb
+#                               by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
+#
+
+require 'tk'
+require 'tkextlib/iwidgets.rb'
+
+module Tk
+  module Iwidgets
+    class Timeentry < Tk::Iwidgets::Timefield
+    end
+  end
+end
+
+class Tk::Iwidgets::Timeentry
+  TkCommandNames = ['::iwidgets::timeentry'.freeze].freeze
+  WidgetClassName = 'Timeentry'.freeze
+  WidgetClassNames[WidgetClassName] = self
+end
diff --git a/ext/tk/lib/tkextlib/iwidgets/timefield.rb b/ext/tk/lib/tkextlib/iwidgets/timefield.rb
new file mode 100644
index 0000000000..602093eb7e
--- /dev/null
+++ b/ext/tk/lib/tkextlib/iwidgets/timefield.rb
@@ -0,0 +1,43 @@
+#
+#  tkextlib/iwidgets/timefield.rb
+#                               by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
+#
+
+require 'tk'
+require 'tkextlib/iwidgets.rb'
+
+module Tk
+  module Iwidgets
+    class  Timefield < Tk::Iwidgets::Labeledwidget
+    end
+  end
+end
+
+class Tk::Iwidgets::Timefield
+  TkCommandNames = ['::iwidgets::timefield'.freeze].freeze
+  WidgetClassName = 'Timefield'.freeze
+  WidgetClassNames[WidgetClassName] = self
+
+  def get_string
+    tk_call(@path, 'get', '-string')
+  end
+  alias get get_string
+
+  def get_clicks
+    number(tk_call(@path, 'get', '-clicks'))
+  end
+
+  def valid?
+    bool(tk_call(@path, 'isvalid'))
+  end
+  alias isvalid? valid?
+
+  def show(time=None)
+    tk_call(@path, 'show', time)
+    self
+  end
+  def show_now
+    tk_call(@path, 'show', 'now')
+    self
+  end
+end
diff --git a/ext/tk/lib/tkextlib/iwidgets/toolbar.rb b/ext/tk/lib/tkextlib/iwidgets/toolbar.rb
new file mode 100644
index 0000000000..81239f9b97
--- /dev/null
+++ b/ext/tk/lib/tkextlib/iwidgets/toolbar.rb
@@ -0,0 +1,86 @@
+#
+#  tkextlib/iwidgets/toolbar.rb
+#                               by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
+#
+
+require 'tk'
+require 'tkextlib/iwidgets.rb'
+
+module Tk
+  module Iwidgets
+    class Toolbar < Tk::Itk::Widget
+    end
+  end
+end
+
+class Tk::Iwidgets::Toolbar
+  TkCommandNames = ['::iwidgets::toolbar'.freeze].freeze
+  WidgetClassName = 'Toolbar'.freeze
+  WidgetClassNames[WidgetClassName] = self
+
+  ####################################
+
+  include TkItemConfigMethod
+
+  def tagid(tagOrId)
+    if tagOrId.kind_of?(Tk::Itk::Component)
+      tagOrId.name
+    else
+      #_get_eval_string(tagOrId)
+      tagOrId
+    end
+  end
+
+  ####################################
+
+  def add(type, tag=nil, keys={})
+    if tag.kind_of?(Hash)
+      keys = tag
+      tag = nil
+    end
+    unless tag
+      tag = Tk::Itk::Component.new(self)
+    end
+    tk_call(@path, 'add', type, tagid(tag), *hash_kv(keys))
+    tag
+  end
+
+  def delete(idx1, idx2=nil)
+    if idx2
+      tk_call(@path, 'delete', index(idx1), index(idx2))
+    else
+      tk_call(@path, 'delete', index(idx1))
+    end
+    self
+  end
+
+  def index(idx)
+    number(tk_call(@path, 'index', tagid(idx)))
+  end
+
+  def insert(idx, type, tag=nil, keys={})
+    if tag.kind_of?(Hash)
+      keys = tag
+      tag = nil
+    end
+    unless tag
+      tag = Tk::Itk::Component.new(self)
+    end
+    tk_call(@path, 'insert', index(idx), type, tagid(tag), *hash_kv(keys))
+    tag
+  end
+
+  def invoke(idx=nil)
+    if idx
+      tk_call(@path, 'invoke', index(idx))
+    else
+      tk_call(@path, 'invoke')
+    end
+    self
+  end
+
+  def show(idx)
+    tk_call(@path, 'show', index(idx))
+    self
+  end
+end
diff --git a/ext/tk/lib/tkextlib/iwidgets/watch.rb b/ext/tk/lib/tkextlib/iwidgets/watch.rb
new file mode 100644
index 0000000000..f62c0b931e
--- /dev/null
+++ b/ext/tk/lib/tkextlib/iwidgets/watch.rb
@@ -0,0 +1,45 @@
+#
+#  tkextlib/iwidgets/watch.rb
+#                               by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
+#
+
+require 'tk'
+require 'tkextlib/iwidgets.rb'
+
+module Tk
+  module Iwidgets
+    class Watch < Tk::Itk::Widget
+    end
+  end
+end
+
+class Tk::Iwidgets::Watch
+  TkCommandNames = ['::iwidgets::watch'.freeze].freeze
+  WidgetClassName = 'Watch'.freeze
+  WidgetClassNames[WidgetClassName] = self
+
+  def get_string
+    tk_call(@path, 'get', '-string')
+  end
+  alias get get_string
+
+  def get_clicks
+    number(tk_call(@path, 'get', '-clicks'))
+  end
+
+  def show(time=None)
+    tk_call(@path, 'show', time)
+    self
+  end
+  def show_now
+    tk_call(@path, 'show', 'now')
+    self
+  end
+
+  def watch(*args)
+    unless args.empty?
+      tk_call(@path, 'watch', *args)
+    end
+    component_path('canvas')
+  end
+end
diff --git a/ext/tk/lib/tkextlib/tcllib.rb b/ext/tk/lib/tkextlib/tcllib.rb
index 2955416b2b..831cc5a327 100644
--- a/ext/tk/lib/tkextlib/tcllib.rb
+++ b/ext/tk/lib/tkextlib/tcllib.rb
@@ -11,15 +11,31 @@ require 'tkextlib/setup.rb'
 # call setup script
 require 'tkextlib/tcllib/setup.rb'
 
+err = ''
+
 # package:: autoscroll
-require 'tkextlib/tcllib/autoscroll'
+target = 'tkextlib/tcllib/autoscroll'
+begin
+  require target
+rescue => e
+  err << "\n  ['" << target << "'] "  << e.class.name << ' : ' << e.message
+end
 
 # package:: cursor
-require 'tkextlib/tcllib/cursor'
+target = 'tkextlib/tcllib/cursor'
+begin
+  require target
+rescue => e
+  err << "\n  ['" << target << "'] "  << e.class.name << ' : ' << e.message
+end
 
 # package:: style
-require 'tkextlib/tcllib/style'
-
+target = 'tkextlib/tcllib/style'
+begin
+  require target
+rescue => e
+  err << "\n  ['" << target << "'] "  << e.class.name << ' : ' << e.message
+end
 
 # autoload
 module Tk
@@ -41,3 +57,8 @@ module Tk
     autoload :Tkpiechart, 'tkextlib/tcllib/tkpiechart'
   end
 end
+
+unless err.empty?
+  warn("Warning: some sub-packages are failed to require : " + err)
+end
+
diff --git a/ext/tk/lib/tkextlib/tcllib/autoscroll.rb b/ext/tk/lib/tkextlib/tcllib/autoscroll.rb
index 800a70744c..117ed8d98a 100644
--- a/ext/tk/lib/tkextlib/tcllib/autoscroll.rb
+++ b/ext/tk/lib/tkextlib/tcllib/autoscroll.rb
@@ -28,9 +28,6 @@ require 'tk'
 require 'tk/scrollbar'
 require 'tkextlib/tcllib.rb'
 
-# TkPackage.require('autoscroll', '1.0')
-TkPackage.require('autoscroll')
-
 module Tk
   module Tcllib
     module Autoscroll
@@ -43,7 +40,12 @@ module Tk
       end
     end
   end
+end
 
+# TkPackage.require('autoscroll', '1.0')
+TkPackage.require('autoscroll')
+
+module Tk
   module Scrollable
     def autoscroll(mode = nil)
       case mode
diff --git a/ext/tk/lib/tkextlib/tcllib/ctext.rb b/ext/tk/lib/tkextlib/tcllib/ctext.rb
index 2318235a4d..0a043b1730 100644
--- a/ext/tk/lib/tkextlib/tcllib/ctext.rb
+++ b/ext/tk/lib/tkextlib/tcllib/ctext.rb
@@ -137,7 +137,7 @@ class Tk::Tcllib::CText
     self
   end
 
-  def modified(mode)
+  def modified?(mode)
     bool(tk_call('ctext::modified', @path, mode))
   end
 end
diff --git a/ext/tk/lib/tkextlib/treectrl/tktreectrl.rb b/ext/tk/lib/tkextlib/treectrl/tktreectrl.rb
index 4b5219e60b..0e57b7c194 100644
--- a/ext/tk/lib/tkextlib/treectrl/tktreectrl.rb
+++ b/ext/tk/lib/tkextlib/treectrl/tktreectrl.rb
@@ -539,9 +539,11 @@ class Tk::TreeCtrl_Widget
   def item_isopen(item)
     bool(tk_send('item', 'isopen', item))
   end
-  alias item_is_open  item_isopen
-  alias item_isopen?  item_isopen
-  alias item_is_open? item_isopen
+  alias item_is_open    item_isopen
+  alias item_isopen?    item_isopen
+  alias item_is_open?   item_isopen
+  alias item_isopened?  item_isopen
+  alias item_is_opened? item_isopen
 
   def item_lastchild(parent, child=nil)
     if child
diff --git a/ext/tk/lib/tkextlib/vu/pie.rb b/ext/tk/lib/tkextlib/vu/pie.rb
index cacca594e6..b4506e10b5 100644
--- a/ext/tk/lib/tkextlib/vu/pie.rb
+++ b/ext/tk/lib/tkextlib/vu/pie.rb
@@ -2,6 +2,7 @@
 #  ::vu::pie widget
 #                               by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
 #
+require 'tk'
 
 # create module/class
 module Tk
diff --git a/ext/tk/lib/tkextlib/vu/spinbox.rb b/ext/tk/lib/tkextlib/vu/spinbox.rb
index f586434138..b6499645a3 100644
--- a/ext/tk/lib/tkextlib/vu/spinbox.rb
+++ b/ext/tk/lib/tkextlib/vu/spinbox.rb
@@ -5,6 +5,7 @@
 #  a standard spinbox (<= 8.3)
 #  This is the same as the 8.4 core spinbox widget.
 #
+require 'tk'
 
 if (Tk::TK_MAJOR_VERSION < 8 || 
     (Tk::TK_MAJOR_VERSION == 8 && Tk::TK_MINOR_VERSION < 4))
@@ -14,4 +15,8 @@ if (Tk::TK_MAJOR_VERSION < 8 ||
   Tk.tk_call('namespace', 'import', '::vu::spinbox')
 end
 
-Tk::Vu::Spinbox = TkSpinbox
+module Tk
+  module Vu
+    Spinbox = TkSpinbox
+  end
+end
diff --git a/ext/tk/sample/tkextlib/iwidgets/sample/hierarchy.rb b/ext/tk/sample/tkextlib/iwidgets/sample/hierarchy.rb
new file mode 100644
index 0000000000..594158294e
--- /dev/null
+++ b/ext/tk/sample/tkextlib/iwidgets/sample/hierarchy.rb
@@ -0,0 +1,25 @@
+#!/usr/bin/env ruby
+require 'tk'
+require 'tkextlib/iwidgets'
+
+def get_files(file)
+  dir = (file.empty?)? ENV['HOME'] : file
+  Dir.chdir(dir) rescue return ''
+  rlist = []
+  Dir['*'].sort.each{|f| rlist << File.join(dir, f) }
+  rlist
+end
+
+Tk::Iwidgets::Hierarchy.new(:querycommand=>proc{|arg| get_files(arg.node)}, 
+			    :visibleitems=>'30x15', 
+			    :labeltext=>ENV['HOME']).pack(:side=>:left, 
+							  :expand=>true, 
+							  :fill=>:both)
+
+# Tk::Iwidgets::Hierarchy.new(:querycommand=>[proc{|n| get_files(n)}, '%n'], 
+# 			    :visibleitems=>'30x15', 
+# 			    :labeltext=>ENV['HOME']).pack(:side=>:left, 
+# 							  :expand=>true, 
+# 							  :fill=>:both)
+
+Tk.mainloop
diff --git a/ext/tk/sample/tkextlib/iwidgets/sample/hyperhelp.rb b/ext/tk/sample/tkextlib/iwidgets/sample/hyperhelp.rb
new file mode 100644
index 0000000000..f9c92bf6dc
--- /dev/null
+++ b/ext/tk/sample/tkextlib/iwidgets/sample/hyperhelp.rb
@@ -0,0 +1,14 @@
+#!/usr/bin/env ruby
+require 'tk'
+require 'tkextlib/iwidgets'
+
+mainloop = Thread.new{Tk.mainloop}
+
+dir  = '/usr/local/ActiveTcl/demos/IWidgets/html/'
+href = [ 'hyperhelp.n', 'buttonbox.n', 'calendar.n' ]
+
+hh = Tk::Iwidgets::Hyperhelp.new(:topics=>href, :helpdir=>dir)
+hh.show_topic('hyperhelp.n')
+hh.activate
+
+mainloop.join
diff --git a/ext/tk/sample/tkextlib/iwidgets/sample/messagebox1.rb b/ext/tk/sample/tkextlib/iwidgets/sample/messagebox1.rb
new file mode 100644
index 0000000000..3f7b137b19
--- /dev/null
+++ b/ext/tk/sample/tkextlib/iwidgets/sample/messagebox1.rb
@@ -0,0 +1,19 @@
+#!/usr/bin/env ruby
+require 'tk'
+require 'tkextlib/iwidgets'
+
+mb = Tk::Iwidgets::Messagebox.new(:hscrollmode=>:dynamic, 
+				  :labeltext=>'Messages', :labelpos=>:n, 
+				  :height=>120, :width=>550, 
+				  :savedir=>'/tmp', :textbackground=>'#d9d9d9')
+mb.pack(:padx=>5, :pady=>5, :fill=>:both, :expand=>true)
+
+mb.type_add('ERROR', :background=>'red', :foreground=>'white', :bell=>true)
+mb.type_add('WARNING', :background=>'yellow', :foreground=>'black')
+mb.type_add('INFO', :background=>'white', :foreground=>'black')
+
+mb.issue('This is an error message in red with a beep', 'ERROR')
+mb.issue('This warning message in yellow', 'WARNING')
+mb.issue('This is an informational message', 'INFO')
+
+Tk.mainloop
diff --git a/ext/tk/sample/tkextlib/iwidgets/sample/messagebox2.rb b/ext/tk/sample/tkextlib/iwidgets/sample/messagebox2.rb
new file mode 100644
index 0000000000..1aae7587e4
--- /dev/null
+++ b/ext/tk/sample/tkextlib/iwidgets/sample/messagebox2.rb
@@ -0,0 +1,19 @@
+#!/usr/bin/env ruby
+require 'tk'
+require 'tkextlib/iwidgets'
+
+mb = Tk::Iwidgets::Messagebox.new(:hscrollmode=>:dynamic, 
+				  :labeltext=>'Messages', :labelpos=>:n, 
+				  :height=>120, :width=>550, 
+				  :savedir=>'/tmp', :textbackground=>'#d9d9d9')
+mb.pack(:padx=>5, :pady=>5, :fill=>:both, :expand=>true)
+
+error   = mb.type_add(:background=>'red', :foreground=>'white', :bell=>true)
+warning = mb.type_add(:background=>'yellow', :foreground=>'black')
+info    = mb.type_add(:background=>'white', :foreground=>'black')
+
+mb.issue('This is an error message in red with a beep', error)
+mb.issue('This warning message in yellow', warning)
+mb.issue('This is an informational message', info)
+
+Tk.mainloop
diff --git a/ext/tk/sample/tkextlib/iwidgets/sample/messagedialog.rb b/ext/tk/sample/tkextlib/iwidgets/sample/messagedialog.rb
new file mode 100644
index 0000000000..8cf373f964
--- /dev/null
+++ b/ext/tk/sample/tkextlib/iwidgets/sample/messagedialog.rb
@@ -0,0 +1,44 @@
+#!/usr/bin/env ruby
+require 'tk'
+require 'tkextlib/iwidgets'
+
+mainloop = Thread.new{Tk.mainloop}
+
+#
+# Standard question message dialog used for confirmation.
+#
+md = Tk::Iwidgets::Messagedialog.new(:title=>'Message Dialog', 
+				     :text=>'Are you sure ? ', 
+				     :bitmap=>'questhead', :modality=>:global)
+
+md.buttonconfigure('OK', :text=>'Yes')
+md.buttonconfigure('Cancel', :text=>'No')
+
+if TkComm.bool(md.activate)
+  md.text('Are you really sure ? ')
+  if TkComm.bool(md.activate)
+    puts 'Yes'
+  else
+    puts 'No'
+  end
+else
+  puts 'No'
+end
+
+md.destroy
+
+#
+# Copyright notice with automatic deactivation.
+#
+bmp = '@' + File.join(File.dirname(File.expand_path(__FILE__)), '../catalog_demo/images/text.xbm')
+
+cr = Tk::Iwidgets::Messagedialog.new(:title=>'Copyright', 
+				     :bitmap=>bmp, :imagepos=>:n, 
+				     :text=>"Copyright 200x XXX Corporation\nAll rights reserved")
+
+cr.hide('Cancel')
+
+cr.activate
+Tk.after(7000, proc{cr.deactivate; Tk.root.destroy})
+
+mainloop.join
diff --git a/ext/tk/sample/tkextlib/iwidgets/sample/radiobox.rb b/ext/tk/sample/tkextlib/iwidgets/sample/radiobox.rb
new file mode 100644
index 0000000000..9cd6a002b0
--- /dev/null
+++ b/ext/tk/sample/tkextlib/iwidgets/sample/radiobox.rb
@@ -0,0 +1,13 @@
+#!/usr/bin/env ruby
+require 'tk'
+require 'tkextlib/iwidgets'
+
+rb = Tk::Iwidgets::Radiobox.new(:labeltext=>'Fonts')
+rb.add('times',     :text=>'Times')
+rb.add('helvetica', :text=>'Helvetica')
+rb.add('courier',   :text=>'Courier')
+rb.add('symbol',    :text=>'Symbol')
+rb.select('courier')
+rb.pack(:expand=>true, :fill=>:both, :padx=>10, :pady=>10)
+
+Tk.mainloop
diff --git a/ext/tk/sample/tkextlib/iwidgets/sample/timeentry.rb b/ext/tk/sample/tkextlib/iwidgets/sample/timeentry.rb
new file mode 100644
index 0000000000..465939947b
--- /dev/null
+++ b/ext/tk/sample/tkextlib/iwidgets/sample/timeentry.rb
@@ -0,0 +1,7 @@
+#!/usr/bin/env ruby
+require 'tk'
+require 'tkextlib/iwidgets'
+
+Tk::Iwidgets::Timeentry.new.pack
+
+Tk.mainloop
diff --git a/ext/tk/sample/tkextlib/iwidgets/sample/timefield.rb b/ext/tk/sample/tkextlib/iwidgets/sample/timefield.rb
new file mode 100644
index 0000000000..bb5945048d
--- /dev/null
+++ b/ext/tk/sample/tkextlib/iwidgets/sample/timefield.rb
@@ -0,0 +1,8 @@
+#!/usr/bin/env ruby
+require 'tk'
+require 'tkextlib/iwidgets'
+
+tf = Tk::Iwidgets::Timefield.new(:command=>proc{puts(tf.get)})
+tf.pack(:fill=>:x, :expand=>true, :padx=>10,  :pady=>10)
+
+Tk.mainloop
diff --git a/ext/tk/sample/tkextlib/iwidgets/sample/watch.rb b/ext/tk/sample/tkextlib/iwidgets/sample/watch.rb
new file mode 100644
index 0000000000..d2b6246bf3
--- /dev/null
+++ b/ext/tk/sample/tkextlib/iwidgets/sample/watch.rb
@@ -0,0 +1,18 @@
+#!/usr/bin/env ruby
+require 'tk'
+require 'tkextlib/iwidgets'
+
+Thread.new{
+  trap('INT') {puts 'catch SIGINT'}
+  sleep 5
+  trap('INT', 'DEFAULT')
+}
+
+Tk::Iwidgets::Watch.new(:state=>:disabled, :showampm=>:no, 
+			:width=>155, :height=>155){|w|
+  w.pack(:padx=>10, :pady=>10, :fill=>:both, :expand=>true)
+  # TkTimer.new(1000, -1, proc{w.show; Tk.update}).start
+  TkTimer.new(25, -1, proc{w.show; Tk.update}).start
+}
+
+Tk.mainloop
diff --git a/ext/tk/tkutil.c b/ext/tk/tkutil.c
index 39047804b3..4654619169 100644
--- a/ext/tk/tkutil.c
+++ b/ext/tk/tkutil.c
@@ -214,6 +214,10 @@ tk_symbolkey2str(self, keys)
 {
     volatile VALUE new_keys = rb_hash_new();
 
+    if NIL_P(keys) return new_keys;
+    if (TYPE(keys) != T_HASH) {
+	rb_raise(rb_eArgError, "Hash is expected");
+    }
     st_foreach(RHASH(keys)->tbl, to_strkey, new_keys);
     return new_keys;
 }
-- 
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