* renewal Ruby/Tk

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6237 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1355 deletions

diff --git a/ext/tk/lib/tktext.rb b/ext/tk/lib/tktext.rb
index 2d37fb8c05..97ad62a3ea 100644
--- a/ext/tk/lib/tktext.rb
+++ b/ext/tk/lib/tktext.rb
@@ -1,1356 +1,4 @@
 #
-#		tktext.rb - Tk text classes
-#			$Date$
-#			by Yukihiro Matsumoto <matz@caelum.co.jp>
-
-require 'tk.rb'
-require 'tkfont'
-
-module TkTreatTextTagFont
-  include TkTreatItemFont
-
-  ItemCMD = ['tag'.freeze, 'configure'.freeze].freeze
-  def __conf_cmd(idx)
-    ItemCMD[idx]
-  end
-
-  def __item_pathname(tagOrId)
-    if tagOrId.kind_of?(TkTextTag)
-      self.path + ';' + tagOrId.id
-    else
-      self.path + ';' + tagOrId
-    end
-  end
-
-  private :__conf_cmd, :__item_pathname
-end
-
-class TkText<TkTextWin
-  ItemConfCMD = ['tag'.freeze, 'configure'.freeze].freeze
-  include TkTreatTextTagFont
-  include Scrollable
-
-  TkCommandNames = ['text'.freeze].freeze
-  WidgetClassName = 'Text'.freeze
-  WidgetClassNames[WidgetClassName] = self
-
-  def self.new(*args, &block)
-    obj = super(*args){}
-    obj.init_instance_variable
-    obj.instance_eval(&block) if defined? yield
-    obj
-  end
-
-  def init_instance_variable
-    @cmdtbl = []
-    @tags = {}
-  end
-
-  def __destroy_hook__
-    TTagID_TBL.delete(@path)
-    TMarkID_TBL.delete(@path)
-  end
-
-  def create_self(keys)
-    if keys and keys != None
-      tk_call 'text', @path, *hash_kv(keys)
-    else
-      tk_call 'text', @path
-    end
-    init_instance_variable
-  end
-  private :create_self
-
-  def index(index)
-    tk_send 'index', index
-  end
-
-  def value
-    tk_send 'get', "1.0", "end - 1 char"
-  end
-
-  def value= (val)
-    tk_send 'delete', "1.0", 'end'
-    tk_send 'insert', "1.0", val
-  end
-
-  def _addcmd(cmd)
-    @cmdtbl.push cmd
-  end
-
-  def _addtag(name, obj)
-    @tags[name] = obj
-  end
-
-  def tagid2obj(tagid)
-    if @tags[tagid]
-      @tags[tagid]
-    else
-      tagid
-    end
-  end
-
-  def tag_names(index=None)
-    tk_split_simplelist(tk_send('tag', 'names', index)).collect{|elt|
-      tagid2obj(elt)
-    }
-  end
-
-  def mark_names
-    tk_split_simplelist(tk_send('mark', 'names')).collect{|elt|
-      tagid2obj(elt)
-    }
-  end
-
-  def mark_gravity(mark, direction=nil)
-    if direction
-      tk_send 'mark', 'gravity', mark, direction
-      self
-    else
-      tk_send 'mark', 'gravity', mark
-    end
-  end
-
-  def mark_set(mark, index)
-    tk_send 'mark', 'set', mark, index
-    self
-  end
-  alias set_mark mark_set
-
-  def mark_unset(*marks)
-    tk_send 'mark', 'unset', *marks
-    self
-  end
-  alias unset_mark mark_unset
-
-  def mark_next(index)
-    tagid2obj(tk_send('mark', 'next', index))
-  end
-  alias next_mark mark_next
-
-  def mark_previous(index)
-    tagid2obj(tk_send('mark', 'previous', index))
-  end
-  alias previous_mark mark_previous
-
-  def image_cget(index, slot)
-    case slot.to_s
-    when 'text', 'label', 'show', 'data', 'file'
-      tk_send('image', 'cget', index, "-#{slot}")
-    else
-      tk_tcl2ruby(tk_send('image', 'cget', index, "-#{slot}"))
-    end
-  end
-
-  def image_configure(index, slot, value=None)
-    if slot.kind_of? Hash
-      tk_send('image', 'configure', index, *hash_kv(slot))
-    else
-      tk_send('image', 'configure', index, "-#{slot}", value)
-    end
-    self
-  end
-
-  def image_configinfo(index, slot = nil)
-    if slot
-      case slot.to_s
-      when 'text', 'label', 'show', 'data', 'file'
-	conf = tk_split_simplelist(tk_send('image', 'configure', 
-					   index, "-#{slot}"))
-      else
-	conf = tk_split_list(tk_send('image', 'configure', 
-				     index, "-#{slot}"))
-      end
-      conf[0] = conf[0][1..-1]
-      conf
-    else
-      tk_split_simplelist(tk_send('image', 'configure', 
-				  index)).collect{|conflist|
-	conf = tk_split_simplelist(conflist)
-	conf[0] = conf[0][1..-1]
-	case conf[0]
-	when 'text', 'label', 'show', 'data', 'file'
-	else
-	  if conf[3]
-	    if conf[3].index('{')
-	      conf[3] = tk_split_list(conf[3]) 
-	    else
-	      conf[3] = tk_tcl2ruby(conf[3]) 
-	    end
-	  end
-	  if conf[4]
-	    if conf[4].index('{')
-	      conf[4] = tk_split_list(conf[4]) 
-	    else
-	      conf[4] = tk_tcl2ruby(conf[4]) 
-	    end
-	  end
-	end
-	conf
-      }
-    end
-  end
-
-  def image_names
-    tk_split_simplelist(tk_send('image', 'names')).collect{|elt|
-      tagid2obj(elt)
-    }
-  end
-
-  def set_insert(index)
-    tk_send 'mark', 'set', 'insert', index
-    self
-  end
-
-  def set_current(index)
-    tk_send 'mark', 'set', 'current', index
-    self
-  end
-
-  def insert(index, chars, *tags)
-    if tags[0].kind_of? Array
-      # multiple chars-taglist argument
-      args = [chars]
-      while tags.size > 0
-	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
-      super index, chars, tags.collect{|x|_get_eval_string(x)}.join(' ')
-    end
-  end
-
-  def destroy
-    @tags = {} unless @tags
-    @tags.each_value do |t|
-      t.destroy
-    end
-    super
-  end
-
-  def backspace
-    self.delete 'insert'
-  end
-
-  def compare(idx1, op, idx2)
-    bool(tk_send('compare', idx1, op, idx2))
-  end
-
-  def debug
-    bool(tk_send('debug'))
-  end
-  def debug=(boolean)
-    tk_send 'debug', boolean
-    self
-  end
-  def bbox(index)
-    list(tk_send('bbox', index))
-  end
-
-  def dlineinfo(index)
-    list(tk_send('dlineinfo', index))
-  end
-
-  def modified?
-    bool(tk_send('edit', 'modified'))
-  end
-  def modified(mode)
-    tk_send('edit', 'modified', mode)
-    self
-  end
-  def edit_redo
-    tk_send('edit', 'redo')
-    self
-  end
-  def edit_reset
-    tk_send('edit', 'reset')
-    self
-  end
-  def edit_separator
-    tk_send('edit', 'separator')
-    self
-  end
-  def edit_undo
-    tk_send('edit', 'undo')
-    self
-  end
-
-  def yview_pickplace(*what)
-    tk_send 'yview', '-pickplace', *what
-    self
-  end
-
-  def xview_pickplace(*what)
-    tk_send 'xview', '-pickplace', *what
-    self
-  end
-
-  def text_copy
-    # Tk8.4 feature
-    tk_call('tk_textCopy', @path)
-  end
-
-  def text_cut
-    # Tk8.4 feature
-    tk_call('tk_textCut', @path)
-  end
-
-  def text_paste
-    # Tk8.4 feature
-    tk_call('tk_textPaste', @path)
-  end
-
-  def tag_add(tag, index1, index2=None)
-    tk_send 'tag', 'add', tag, index1, index2
-    self
-  end
-  alias addtag tag_add
-  alias add_tag tag_add
-
-  def tag_delete(*tags)
-    tk_send 'tag', 'delete', *tags
-    if TkTextTag::TTagID_TBL[@path]
-      tags.each{|tag|
-	if tag.kind_of? TkTextTag
-	  TTagID_TBL[@path].delete(tag.id) 
-	else
-	  TTagID_TBL[@path].delete(tag) 
-	end
-      }
-    end
-    self
-  end
-  alias deltag tag_delete
-  alias delete_tag tag_delete
-
-  def tag_bind(tag, seq, cmd=Proc.new, args=nil)
-    _bind([@path, 'tag', 'bind', tag], seq, cmd, args)
-    self
-  end
-
-  def tag_bind_append(tag, seq, cmd=Proc.new, args=nil)
-    _bind_append([@path, 'tag', 'bind', tag], seq, cmd, args)
-    self
-  end
-
-  def tag_bind_remove(tag, seq)
-    _bind_remove([@path, 'tag', 'bind', tag], seq)
-    self
-  end
-
-  def tag_bindinfo(tag, context=nil)
-    _bindinfo([@path, 'tag', 'bind', tag], context)
-  end
-
-  def tag_cget(tag, key)
-    case key.to_s
-    when 'text', 'label', 'show', 'data', 'file'
-      tk_call(@path, 'tag', 'cget', tag, "-#{key}")
-    when 'font', 'kanjifont'
-      #fnt = tk_tcl2ruby(tk_send('tag', 'cget', tag, "-#{key}"))
-      fnt = tk_tcl2ruby(tk_send('tag', 'cget', tag, '-font'))
-      unless fnt.kind_of?(TkFont)
-	fnt = tagfontobj(tag, fnt)
-      end
-      if key.to_s == 'kanjifont' && JAPANIZED_TK && TK_VERSION =~ /^4\.*/
-	# obsolete; just for compatibility
-	fnt.kanji_font
-      else
-	fnt
-      end
-    else
-      tk_tcl2ruby(tk_call(@path, 'tag', 'cget', tag, "-#{key}"))
-    end
-  end
-
-  def tag_configure(tag, key, val=None)
-    if key.kind_of? Hash
-      key = _symbolkey2str(key)
-      if ( key['font'] || key['kanjifont'] \
-	  || key['latinfont'] || key['asciifont'] )
-	tagfont_configure(tag, key)
-      else
-	tk_send 'tag', 'configure', tag, *hash_kv(key)
-      end
-
-    else
-      if  key == 'font' || key == :font || 
-          key == 'kanjifont' || key == :kanjifont ||
-	  key == 'latinfont' || key == :latinfont || 
-          key == 'asciifont' || key == :asciifont
-	if val == None
-	  tagfontobj(tag)
-	else
-	  tagfont_configure(tag, {key=>val})
-	end
-      else
-	tk_send 'tag', 'configure', tag, "-#{key}", val
-      end
-    end
-    self
-  end
-
-  def tag_configinfo(tag, key=nil)
-    if key
-      case key.to_s
-      when 'text', 'label', 'show', 'data', 'file'
-	conf = tk_split_simplelist(tk_send('tag','configure',tag,"-#{key}"))
-      when 'font', 'kanjifont'
-	conf = tk_split_simplelist(tk_send('tag','configure',tag,"-#{key}") )
-	conf[4] = tagfont_configinfo(tag, conf[4])
-      else
-	conf = tk_split_list(tk_send('tag','configure',tag,"-#{key}"))
-      end
-      conf[0] = conf[0][1..-1]
-      conf
-    else
-      ret = tk_split_simplelist(tk_send('tag', 'configure', 
-					tag)).collect{|conflist|
-	conf = tk_split_simplelist(conflist)
-	conf[0] = conf[0][1..-1]
-	case conf[0]
-	when 'text', 'label', 'show', 'data', 'file'
-	else
-	  if conf[3]
-	    if conf[3].index('{')
-	      conf[3] = tk_split_list(conf[3]) 
-	    else
-	      conf[3] = tk_tcl2ruby(conf[3]) 
-	    end
-	  end
-	  if conf[4]
-	    if conf[4].index('{')
-	      conf[4] = tk_split_list(conf[4]) 
-	    else
-	      conf[4] = tk_tcl2ruby(conf[4]) 
-	    end
-	  end
-	end
-	conf
-      }
-      fontconf = ret.assoc('font')
-      if fontconf
-	ret.delete_if{|item| item[0] == 'font' || item[0] == 'kanjifont'}
-	fontconf[4] = tagfont_configinfo(tag, fontconf[4])
-	ret.push(fontconf)
-      else
-	ret
-      end
-    end
-  end
-
-  def tag_raise(tag, above=None)
-    tk_send 'tag', 'raise', tag, above
-    self
-  end
-
-  def tag_lower(tag, below=None)
-    tk_send 'tag', 'lower', tag, below
-    self
-  end
-
-  def tag_remove(tag, *index)
-    tk_send 'tag', 'remove', tag, *index
-    self
-  end
-
-  def tag_ranges(tag)
-    l = tk_split_simplelist(tk_send('tag', 'ranges', tag))
-    r = []
-    while key=l.shift
-      r.push [key, l.shift]
-    end
-    r
-  end
-
-  def tag_nextrange(tag, first, last=None)
-    tk_split_list(tk_send('tag', 'nextrange', tag, first, last))
-  end
-
-  def tag_prevrange(tag, first, last=None)
-    tk_split_list(tk_send('tag', 'prevrange', tag, first, last))
-  end
-
-  def window_cget(index, slot)
-    case slot.to_s
-    when 'text', 'label', 'show', 'data', 'file'
-      tk_send('window', 'cget', index, "-#{slot}")
-    when 'font', 'kanjifont'
-      #fnt = tk_tcl2ruby(tk_send('window', 'cget', index, "-#{slot}"))
-      fnt = tk_tcl2ruby(tk_send('window', 'cget', index, '-font'))
-      unless fnt.kind_of?(TkFont)
-	fnt = tagfontobj(index, fnt)
-      end
-      if slot.to_s == 'kanjifont' && JAPANIZED_TK && TK_VERSION =~ /^4\.*/
-	# obsolete; just for compatibility
-	fnt.kanji_font
-      else
-	fnt
-      end
-    else
-      tk_tcl2ruby(tk_send('window', 'cget', index, "-#{slot}"))
-    end
-  end
-
-  def window_configure(index, slot, value=None)
-    if index.kind_of? TkTextWindow
-      index.configure(slot, value)
-    else
-      if slot.kind_of? Hash
-	slot = _symbolkey2str(slot)
-	win = slot['window']
-	slot['window'] = win.epath if win.kind_of?(TkWindow)
-	if slot['create']
-	  p_create = slot['create']
-	  if p_create.kind_of? Proc
-	    slot['create'] = install_cmd(proc{
-					   id = p_create.call
-					   if id.kind_of?(TkWindow)
-					     id.epath
-					   else
-					     id
-					   end
-					 })
-	  end
-	end
-	tk_send('window', 'configure', index, *hash_kv(slot))
-      else
-	if slot == 'window' || slot == :window
-	  id = value 
-	  value = id.epath if id.kind_of?(TkWindow)
-	end
-	if slot == 'create' || slot == :create
-	  p_create = value
-	  if p_create.kind_of? Proc
-	    value = install_cmd(proc{
-				  id = p_create.call
-				  if id.kind_of?(TkWindow)
-				    id.epath
-				  else
-				    id
-				  end
-				})
-	  end
-	end
-	tk_send('window', 'configure', index, "-#{slot}", value)
-      end
-    end
-    self
-  end
-
-  def window_configinfo(win, slot = nil)
-    if slot
-      case slot.to_s
-      when 'text', 'label', 'show', 'data', 'file'
-	conf = tk_split_simplelist(tk_send('window', 'configure', 
-					   win, "-#{slot}"))
-      else
-	conf = tk_split_list(tk_send('window', 'configure', 
-				     win, "-#{slot}"))
-      end
-      conf[0] = conf[0][1..-1]
-      conf
-    else
-      tk_split_simplelist(tk_send('window', 'configure', 
-				  win)).collect{|conflist|
-	conf = tk_split_simplelist(conflist)
-	conf[0] = conf[0][1..-1]
-	case conf[0]
-	when 'text', 'label', 'show', 'data', 'file'
-	else
-	  if conf[3]
-	    if conf[3].index('{')
-	      conf[3] = tk_split_list(conf[3]) 
-	    else
-	      conf[3] = tk_tcl2ruby(conf[3]) 
-	    end
-	  end
-	  if conf[4]
-	    if conf[4].index('{')
-	      conf[4] = tk_split_list(conf[4]) 
-	    else
-	      conf[4] = tk_tcl2ruby(conf[4]) 
-	    end
-	  end
-	end
-	conf
-      }
-    end
-  end
-
-  def window_names
-    tk_split_simplelist(tk_send('window', 'names')).collect{|elt|
-      tagid2obj(elt)
-    }
-  end
-
-  def _ktext_length(txt)
-    if $KCODE !~ /n/i
-      return txt.gsub(/[^\Wa-zA-Z_\d]/, ' ').length
-    end
-
-    # $KCODE == 'NONE'
-    if JAPANIZED_TK
-      tk_call('kstring', 'length', txt).to_i
-    else
-      begin
-	tk_call('encoding', 'convertto', 'ascii', txt).length
-      rescue StandardError, NameError
-	# sorry, I have no plan
-	txt.length
-      end
-    end
-  end
-  private :_ktext_length
-
-  def search_with_length(pat,start,stop=None)
-    pat = pat.chr if pat.kind_of? Integer
-    if stop != None
-      return ["", 0] if compare(start,'>=',stop)
-      txt = get(start,stop)
-      if (pos = txt.index(pat))
-	match = $&
-	#pos = txt[0..(pos-1)].split('').length if pos > 0
-	pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
-	if pat.kind_of? String
-	  #return [index(start + " + #{pos} chars"), pat.split('').length]
-	  return [index(start + " + #{pos} chars"), 
-		  _ktext_length(pat), pat.dup]
-	else
-	  #return [index(start + " + #{pos} chars"), $&.split('').length]
-	  return [index(start + " + #{pos} chars"), 
-		  _ktext_length(match), match]
-	end
-      else
-	return ["", 0]
-      end
-    else
-      txt = get(start,'end - 1 char')
-      if (pos = txt.index(pat))
-	match = $&
-	#pos = txt[0..(pos-1)].split('').length if pos > 0
-	pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
-	if pat.kind_of? String
-	  #return [index(start + " + #{pos} chars"), pat.split('').length]
-	  return [index(start + " + #{pos} chars"), 
-		  _ktext_length(pat), pat.dup]
-	else
-	  #return [index(start + " + #{pos} chars"), $&.split('').length]
-	  return [index(start + " + #{pos} chars"), 
-		  _ktext_length(match), match]
-	end
-      else
-	txt = get('1.0','end - 1 char')
-	if (pos = txt.index(pat))
-	  match = $&
-	  #pos = txt[0..(pos-1)].split('').length if pos > 0
-	  pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
-	  if pat.kind_of? String
-	    #return [index("1.0 + #{pos} chars"), pat.split('').length]
-	    return [index("1.0 + #{pos} chars"), 
-		    _ktext_length(pat), pat.dup]
-	  else
-	    #return [index("1.0 + #{pos} chars"), $&.split('').length]
-	    return [index("1.0 + #{pos} chars"), _ktext_length(match), match]
-	  end
-	else
-	  return ["", 0]
-	end
-      end
-    end
-  end
-
-  def search(pat,start,stop=None)
-    search_with_length(pat,start,stop)[0]
-  end
-
-  def rsearch_with_length(pat,start,stop=None)
-    pat = pat.chr if pat.kind_of? Integer
-    if stop != None
-      return ["", 0] if compare(start,'<=',stop)
-      txt = get(stop,start)
-      if (pos = txt.rindex(pat))
-	match = $&
-	#pos = txt[0..(pos-1)].split('').length if pos > 0
-	pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
-	if pat.kind_of? String
-	  #return [index(stop + " + #{pos} chars"), pat.split('').length]
-	  return [index(stop + " + #{pos} chars"), _ktext_length(pat), pat.dup]
-	else
-	  #return [index(stop + " + #{pos} chars"), $&.split('').length]
-	  return [index(stop + " + #{pos} chars"), _ktext_length(match), match]
-	end
-      else
-	return ["", 0]
-      end
-    else
-      txt = get('1.0',start)
-      if (pos = txt.rindex(pat))
-	match = $&
-	#pos = txt[0..(pos-1)].split('').length if pos > 0
-	pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
-	if pat.kind_of? String
-	  #return [index("1.0 + #{pos} chars"), pat.split('').length]
-	  return [index("1.0 + #{pos} chars"), _ktext_length(pat), pat.dup]
-	else
-	  #return [index("1.0 + #{pos} chars"), $&.split('').length]
-	  return [index("1.0 + #{pos} chars"), _ktext_length(match), match]
-	end
-      else
-	txt = get('1.0','end - 1 char')
-	if (pos = txt.rindex(pat))
-	  match = $&
-	  #pos = txt[0..(pos-1)].split('').length if pos > 0
-	  pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
-	  if pat.kind_of? String
-	    #return [index("1.0 + #{pos} chars"), pat.split('').length]
-	    return [index("1.0 + #{pos} chars"), _ktext_length(pat), pat.dup]
-	  else
-	    #return [index("1.0 + #{pos} chars"), $&.split('').length]
-	    return [index("1.0 + #{pos} chars"), _ktext_length(match), match]
-	  end
-	else
-	  return ["", 0]
-	end
-      end
-    end
-  end
-
-  def rsearch(pat,start,stop=None)
-    rsearch_with_length(pat,start,stop)[0]
-  end
-
-  def dump(type_info, *index, &block)
-    args = type_info.collect{|inf| '-' + inf}
-    args << '-command' << block if block
-    str = tk_send('dump', *(args + index))
-    result = []
-    sel = nil
-    i = 0
-    while i < str.size
-      # retrieve key
-      idx = str.index(/ /, i)
-      result.push str[i..(idx-1)]
-      i = idx + 1
-      
-      # retrieve value
-      case result[-1]
-      when 'text'
-	if str[i] == ?{
-	  # text formed as {...}
-	  val, i = _retrieve_braced_text(str, i)
-	  result.push val
-	else
-	  # text which may contain backslahes
-	  val, i = _retrieve_backslashed_text(str, i)
-	  result.push val
-	end
-      else
-	idx = str.index(/ /, i)
-	val = str[i..(idx-1)]
-	case result[-1]
-	when 'mark'
-	  case val
-	  when 'insert'
-	    result.push TkTextMarkInsert.new(self)
-	  when 'current'
-	    result.push TkTextMarkCurrent.new(self)
-	  when 'anchor'
-	    result.push TkTextMarkAnchor.new(self)
-	  else
-	    result.push tk_tcl2ruby(val)
-	  end
-	when 'tagon'
-	  if val == 'sel'
-	    if sel
-	      result.push sel
-	    else
-	      result.push TkTextTagSel.new(self)
-	    end
-	  else
-	    result.push tk_tcl2ruby(val)
-	  end
-	when 'tagoff'
-	    result.push tk_tcl2ruby(val)
-	when 'window'
-	  result.push tk_tcl2ruby(val)
-	end
-	i = idx + 1
-      end
-
-      # retrieve index
-      idx = str.index(/ /, i)
-      if idx
-	result.push str[i..(idx-1)]
-	i = idx + 1
-      else
-	result.push str[i..-1]
-	break
-      end
-    end
-    
-    kvis = []
-    until result.empty?
-      kvis.push [result.shift, result.shift, result.shift]
-    end
-    kvis  # result is [[key1, value1, index1], [key2, value2, index2], ...]
-  end
-
-  def _retrieve_braced_text(str, i)
-    cnt = 0
-    idx = i
-    while idx < str.size
-      case str[idx]
-      when ?{
-	cnt += 1
-      when ?}
-	cnt -= 1
-	if cnt == 0
-	  break
-	end
-      end
-      idx += 1
-    end
-    return str[i+1..idx-1], idx + 2
-  end
-  private :_retrieve_braced_text
-
-  def _retrieve_backslashed_text(str, i)
-    j = i
-    idx = nil
-    loop {
-      idx = str.index(/ /, j)
-      if str[idx-1] == ?\\
-	j += 1
-      else
-	break
-      end
-    }
-    val = str[i..(idx-1)]
-    val.gsub!(/\\( |\{|\})/, '\1')
-    return val, idx + 1
-  end
-  private :_retrieve_backslashed_text
-
-  def dump_all(*index, &block)
-    dump(['all'], *index, &block)
-  end
-  def dump_mark(*index, &block)
-    dump(['mark'], *index, &block)
-  end
-  def dump_tag(*index, &block)
-    dump(['tag'], *index, &block)
-  end
-  def dump_text(*index, &block)
-    dump(['text'], *index, &block)
-  end
-  def dump_window(*index, &block)
-    dump(['window'], *index, &block)
-  end
-  def dump_image(*index, &block)
-    dump(['image'], *index, &block)
-  end
-end
-
-class TkTextTag<TkObject
-  include TkTreatTagFont
-
-  TTagID_TBL = TkCore::INTERP.create_table
-  Tk_TextTag_ID = ['tag'.freeze, '00000'.taint].freeze
-
-  TkCore::INTERP.init_ip_env{ TTagID_TBL.clear }
-
-  def TkTextTag.id2obj(text, id)
-    tpath = text.path
-    return id unless TTagID_TBL[tpath]
-    TTagID_TBL[tpath][id]? TTagID_TBL[tpath][id]: id
-  end
-
-  def initialize(parent, *args)
-    if not parent.kind_of?(TkText)
-      fail Kernel.format("%s need to be TkText", parent.inspect)
-    end
-    @parent = @t = parent
-    @tpath = parent.path
-    @path = @id = Tk_TextTag_ID.join
-    TTagID_TBL[@id] = self
-    TTagID_TBL[@tpath] = {} unless TTagID_TBL[@tpath]
-    TTagID_TBL[@tpath][@id] = self
-    Tk_TextTag_ID[1].succ!
-    #tk_call @t.path, "tag", "configure", @id, *hash_kv(keys)
-    if args != [] then
-      keys = args.pop
-      if keys.kind_of? Hash then
-	add(*args) if args != []
-	configure(keys)
-      else
-	args.push keys
-	add(*args)
-      end
-    end
-    @t._addtag id, self
-  end
-
-  def id
-    @id
-  end
-
-  def first
-    @id + '.first'
-  end
-
-  def last
-    @id + '.last'
-  end
-
-  def add(*index)
-    tk_call @t.path, 'tag', 'add', @id, *index
-    self
-  end
-
-  def remove(*index)
-    tk_call @t.path, 'tag', 'remove', @id, *index
-    self
-  end
-
-  def ranges
-    l = tk_split_simplelist(tk_call(@t.path, 'tag', 'ranges', @id))
-    r = []
-    while key=l.shift
-      r.push [key, l.shift]
-    end
-    r
-  end
-
-  def nextrange(first, last=None)
-    tk_split_list(tk_call(@t.path, 'tag', 'nextrange', @id, first, last))
-  end
-
-  def prevrange(first, last=None)
-    tk_split_list(tk_call(@t.path, 'tag', 'prevrange', @id, first, last))
-  end
-
-  def [](key)
-    cget key
-  end
-
-  def []=(key,val)
-    configure key, val
-  end
-
-  def cget(key)
-    case key.to_s
-    when 'text', 'label', 'show', 'data', 'file'
-      tk_call @t.path, 'tag', 'cget', @id, "-#{key}"
-    when 'font', 'kanjifont'
-      #fnt = tk_tcl2ruby(tk_call(@t.path, 'tag', 'cget', @id, "-#{key}"))
-      fnt = tk_tcl2ruby(tk_call(@t.path, 'tag', 'cget', @id, '-font'))
-      unless fnt.kind_of?(TkFont)
-	fnt = tagfontobj(@id, fnt)
-      end
-      if key.to_s == 'kanjifont' && JAPANIZED_TK && TK_VERSION =~ /^4\.*/
-	# obsolete; just for compatibility
-	fnt.kanji_font
-      else
-	fnt
-      end
-    else
-      tk_tcl2ruby(tk_call(@t.path, 'tag', 'cget', @id, "-#{key}"))
-    end
-  end
-
-  def configure(key, val=None)
-    @t.tag_configure @id, key, val
-  end
-#  def configure(key, val=None)
-#    if key.kind_of? Hash
-#      tk_call @t.path, 'tag', 'configure', @id, *hash_kv(key)
-#    else
-#      tk_call @t.path, 'tag', 'configure', @id, "-#{key}", val
-#    end
-#  end
-#  def configure(key, value)
-#    if value == FALSE
-#      value = "0"
-#    elsif value.kind_of? Proc
-#      value = install_cmd(value)
-#    end
-#    tk_call @t.path, 'tag', 'configure', @id, "-#{key}", value
-#  end
-
-  def configinfo(key=nil)
-    @t.tag_configinfo @id, key
-  end
-
-  def bind(seq, cmd=Proc.new, args=nil)
-    _bind([@t.path, 'tag', 'bind', @id], seq, cmd, args)
-    self
-  end
-
-  def bind_append(seq, cmd=Proc.new, args=nil)
-    _bind_append([@t.path, 'tag', 'bind', @id], seq, cmd, args)
-    self
-  end
-
-  def bind_remove(seq)
-    _bind_remove([@t.path, 'tag', 'bind', @id], seq)
-    self
-  end
-
-  def bindinfo(context=nil)
-    _bindinfo([@t.path, 'tag', 'bind', @id], context)
-  end
-
-  def raise(above=None)
-    tk_call @t.path, 'tag', 'raise', @id, above
-    self
-  end
-
-  def lower(below=None)
-    tk_call @t.path, 'tag', 'lower', @id, below
-    self
-  end
-
-  def destroy
-    tk_call @t.path, 'tag', 'delete', @id
-    TTagID_TBL[@tpath].delete(@id) if TTagID_TBL[@tpath]
-    self
-  end
-end
-
-class TkTextNamedTag<TkTextTag
-  def self.new(parent, name, *args)
-    if TTagID_TBL[parent.path] && TTagID_TBL[parent.path][name]
-      tagobj = TTagID_TBL[parent.path][name]
-      if args != [] then
-	keys = args.pop
-	if keys.kind_of? Hash then
-	  tagobj.add(*args) if args != []
-	  tagobj.configure(keys)
-	else
-	  args.push keys
-	  tagobj.add(*args)
-	end
-      end
-      return tagobj
-    else
-      super(parent, name, *args)
-    end
-  end
-
-  def initialize(parent, name, *args)
-    if not parent.kind_of?(TkText)
-      fail Kernel.format("%s need to be TkText", parent.inspect)
-    end
-    @parent = @t = parent
-    @tpath = parent.path
-    @path = @id = name
-    TTagID_TBL[@tpath] = {} unless TTagID_TBL[@tpath]
-    TTagID_TBL[@tpath][@id] = self unless TTagID_TBL[@tpath][@id]
-    #if mode
-    #  tk_call @t.path, "addtag", @id, *args
-    #end
-    if args != [] then
-      keys = args.pop
-      if keys.kind_of? Hash then
-	add(*args) if args != []
-	configure(keys)
-      else
-	args.push keys
-	add(*args)
-      end
-    end
-    @t._addtag id, self
-  end
-end
-
-class TkTextTagSel<TkTextNamedTag
-  def self.new(parent, *args)
-    super(parent, 'sel', *args)
-  end
-end
-
-class TkTextMark<TkObject
-  TMarkID_TBL = TkCore::INTERP.create_table
-  Tk_TextMark_ID = ['mark'.freeze, '00000'.taint].freeze
-
-  TkCore::INTERP.init_ip_env{ TMarkID_TBL.clear }
-
-  def TkTextMark.id2obj(text, id)
-    tpath = text.path
-    return id unless TMarkID_TBL[tpath]
-    TMarkID_TBL[tpath][id]? TMarkID_TBL[tpath][id]: id
-  end
-
-  def initialize(parent, index)
-    if not parent.kind_of?(TkText)
-      fail Kernel.format("%s need to be TkText", parent.inspect)
-    end
-    @parent = @t = parent
-    @tpath = parent.path
-    @path = @id = Tk_TextMark_ID.join
-    TMarkID_TBL[@id] = self
-    TMarkID_TBL[@tpath] = {} unless TMarkID_TBL[@tpath]
-    TMarkID_TBL[@tpath][@id] = self
-    Tk_TextMark_ID[1].succ!
-    tk_call @t.path, 'mark', 'set', @id, index
-    @t._addtag id, self
-  end
-
-  def id
-    @id
-  end
-
-  def +(mod)
-    @id + ' + ' + mod
-  end
-  def -(mod)
-    @id + ' - ' + mod
-  end
-
-  def set(where)
-    tk_call @t.path, 'mark', 'set', @id, where
-    self
-  end
-
-  def unset
-    tk_call @t.path, 'mark', 'unset', @id
-    self
-  end
-  alias destroy unset
-
-  def gravity
-    tk_call @t.path, 'mark', 'gravity', @id
-  end
-
-  def gravity=(direction)
-    tk_call @t.path, 'mark', 'gravity', @id, direction
-    self
-  end
-
-  def next(index = nil)
-    if index
-      @t.tagid2obj(tk_call(@t.path, 'mark', 'next', index))
-    else
-      @t.tagid2obj(tk_call(@t.path, 'mark', 'next', @id))
-    end
-  end
-
-  def previous(index = nil)
-    if index
-      @t.tagid2obj(tk_call(@t.path, 'mark', 'previous', index))
-    else
-      @t.tagid2obj(tk_call(@t.path, 'mark', 'previous', @id))
-    end
-  end
-end
-
-class TkTextNamedMark<TkTextMark
-  def self.new(parent, name, *args)
-    if TMarkID_TBL[parent.path] && TMarkID_TBL[parent.path][name]
-      return TMarkID_TBL[parent.path][name]
-    else
-      super(parent, name, *args)
-    end
-  end
-
-  def initialize(parent, name, index=nil)
-    if not parent.kind_of?(TkText)
-      fail Kernel.format("%s need to be TkText", parent.inspect)
-    end
-    @parent = @t = parent
-    @tpath = parent.path
-    @path = @id = name
-    TMarkID_TBL[@id] = self
-    TMarkID_TBL[@tpath] = {} unless TMarkID_TBL[@tpath]
-    TMarkID_TBL[@tpath][@id] = self unless TMarkID_TBL[@tpath][@id]
-    tk_call @t.path, 'mark', 'set', @id, index if index
-    @t._addtag id, self
-  end
-end
-
-class TkTextMarkInsert<TkTextNamedMark
-  def self.new(parent,*args)
-    super(parent, 'insert', *args)
-  end
-end
-
-class TkTextMarkCurrent<TkTextMark
-  def self.new(parent,*args)
-    super(parent, 'current', *args)
-  end
-end
-
-class TkTextMarkAnchor<TkTextMark
-  def self.new(parent,*args)
-    super(parent, 'anchor', *args)
-  end
-end
-
-class TkTextWindow<TkObject
-  def initialize(parent, index, keys)
-    if not parent.kind_of?(TkText)
-      fail Kernel.format("%s need to be TkText", parent.inspect)
-    end
-    @t = parent
-    if index == 'end'
-      @path = TkTextMark.new(@t, tk_call(@t.path, 'index', 'end - 1 chars'))
-    elsif index.kind_of? TkTextMark
-      if tk_call(@t.path,'index',index.path) == tk_call(@t.path,'index','end')
-	@path = TkTextMark.new(@t, tk_call(@t.path, 'index', 'end - 1 chars'))
-      else
-	@path = TkTextMark.new(@t, tk_call(@t.path, 'index', index.path))
-      end
-    else
-      @path = TkTextMark.new(@t, tk_call(@t.path, 'index', index))
-    end
-    @path.gravity = 'left'
-    @index = @path.path
-    keys = _symbolkey2str(keys)
-    @id = keys['window']
-    keys['window'] = @id.epath if @id.kind_of?(TkWindow)
-    if keys['create']
-      @p_create = keys['create']
-      if @p_create.kind_of? Proc
-	keys['create'] = install_cmd(proc{
-				       @id = @p_create.call
-				       if @id.kind_of?(TkWindow)
-					 @id.epath
-				       else
-					 @id
-				       end
-				     })
-      end
-    end
-    tk_call @t.path, 'window', 'create', @index, *hash_kv(keys)
-  end
-
-  def [](slot)
-    cget(slot)
-  end
-  def []=(slot, value)
-    configure(slot, value)
-  end
-
-  def cget(slot)
-    @t.window_cget(@index, slot)
-  end
-
-  def configure(slot, value=None)
-    if slot.kind_of? Hash
-      slot = _symbolkey2str(slot)
-      if slot['window']
-	@id = slot['window'] 
-	slot['window'] = @id.epath if @id.kind_of?(TkWindow)
-      end
-      if slot['create']
-	self.create=slot.delete('create')
-      end
-      if slot.size > 0
-	tk_call(@t.path, 'window', 'configure', @index, *hash_kv(slot))
-      end
-    else
-      if slot == 'window' || slot == :window
-	@id = value 
-	value = @id.epath if @id.kind_of?(TkWindow)
-      end
-      if slot == 'create' || slot == :create
-	self.create=value
-      else
-	tk_call(@t.path, 'window', 'configure', @index, "-#{slot}", value)
-      end
-    end
-    self
-  end
-
-  def configinfo(slot = nil)
-    @t.window_configinfo(@index, slot)
-  end
-
-  def window
-    @id
-  end
-
-  def window=(value)
-    @id = value
-    value = @id.epath if @id.kind_of?(TkWindow)
-    tk_call @t.path, 'window', 'configure', @index, '-window', value
-  end
-
-  def create
-    @p_create
-  end
-
-  def create=(value)
-    @p_create = value
-    if @p_create.kind_of? Proc
-      value = install_cmd(proc{
-			    @id = @p_create.call
-			    if @id.kind_of?(TkWindow)
-			      @id.epath
-			    else
-			      @id
-			    end
-			  })
-    end
-    tk_call @t.path, 'window', 'configure', @index, '-create', value
-  end
-end
-
-class TkTextImage<TkObject
-  def initialize(parent, index, keys)
-    if not parent.kind_of?(TkText)
-      fail Kernel.format("%s need to be TkText", parent.inspect)
-    end
-    @t = parent
-    if index == 'end'
-      @path = TkTextMark.new(@t, tk_call(@t.path, 'index', 'end - 1 chars'))
-    elsif index.kind_of? TkTextMark
-      if tk_call(@t.path,'index',index.path) == tk_call(@t.path,'index','end')
-	@path = TkTextMark.new(@t, tk_call(@t.path, 'index', 'end - 1 chars'))
-      else
-	@path = TkTextMark.new(@t, tk_call(@t.path, 'index', index.path))
-      end
-    else
-      @path = TkTextMark.new(@t, tk_call(@t.path, 'index', index))
-    end
-    @path.gravity = 'left'
-    @index = @path.path
-    @id = tk_call(@t.path, 'image', 'create', @index, *hash_kv(keys))
-  end
-
-  def [](slot)
-    cget(slot)
-  end
-  def []=(slot, value)
-    configure(slot, value)
-  end
-
-  def cget(slot)
-    @t.image_cget(@index, slot)
-  end
-
-  def configure(slot, value=None)
-    @t.image_configure(@index, slot, value)
-    self
-  end
-#  def configure(slot, value)
-#    tk_call @t.path, 'image', 'configure', @index, "-#{slot}", value
-#  end
-
-  def configinfo(slot = nil)
-    @t.image_configinfo(@index, slot)
-  end
-
-  def image
-    img = tk_call(@t.path, 'image', 'configure', @index, '-image')
-    TkImage::Tk_IMGTBL[img]? TkImage::Tk_IMGTBL[img] : img
-  end
-
-  def image=(value)
-    tk_call @t.path, 'image', 'configure', @index, '-image', value
-    self
-  end
-end
+#   tktext.rb - load tk/text.rb
+#
+require 'tk/text'