diff --git a/ChangeLog b/ChangeLog
index 43bca9aa8c..671b06e506 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Fri Dec 19 17:36:49 2003  Hidetoshi NAGAI  <nagai@ai.kyutech.ac.jp>
+
+	* ext/tk/sample/tkmultilistbox.rb: bug fix
+
+	* ext/tk/sample/tkmultilistframe.rb: new sample script
+
 Fri Dec 19 03:44:27 2003  GOTOU Yuuzou  <gotoyuzo@notwork.org>
 
 	* lib/webrick/httputils.rb (parse_form_data): should return an
diff --git a/ext/tk/MANIFEST b/ext/tk/MANIFEST
index fb0225c27b..a1a1feb44c 100644
--- a/ext/tk/MANIFEST
+++ b/ext/tk/MANIFEST
@@ -34,6 +34,7 @@ sample/tkhello.rb
 sample/tkline.rb
 sample/tkmenubutton.rb
 sample/tkmultilistbox.rb
+sample/tkmultilistframe.rb
 sample/tkoptdb-safeTk.rb
 sample/tkoptdb.rb
 sample/tktextframe.rb
diff --git a/ext/tk/sample/tkmultilistbox.rb b/ext/tk/sample/tkmultilistbox.rb
index ed5da0f21c..c3787a0cf0 100644
--- a/ext/tk/sample/tkmultilistbox.rb
+++ b/ext/tk/sample/tkmultilistbox.rb
@@ -174,13 +174,16 @@ class TkMultiListbox < TkListbox
     end
 
     # set receivers for configure methods
-    delegate('DELETE', *@lbox_list)
+    delegate('DEFAULT', *@lbox_list)
     delegate('activebackground', @v_scroll, *@hscr_list)
     delegate('troughcolor', @v_scroll, *@hscr_list)
     delegate('repeatdelay', @v_scroll, *@hscr_list)
     delegate('repeatinterval', @v_scroll, *@hscr_list)
     delegate('borderwidth', @frame)
     delegate('relief', @frame)
+
+    # configure
+    configure(keys) if keys.size > 0
   end
   private :initialize_composite
 
diff --git a/ext/tk/sample/tkmultilistframe.rb b/ext/tk/sample/tkmultilistframe.rb
new file mode 100644
index 0000000000..b67f8f8dac
--- /dev/null
+++ b/ext/tk/sample/tkmultilistframe.rb
@@ -0,0 +1,912 @@
+#
+# tkmultilistframe.rb : multiple listbox widget on scrollable frame
+#                       by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
+#
+require 'tk'
+
+class TkMultiListFrame < TkListbox
+  include TkComposite
+
+  #   lbox_height : height of listboxes (pixel)
+  #   title_info  : array [ [<title_string>,<init_width>], ... ]
+  #   keys        : hash {<option>=><value>, ... }
+  def initialize_composite(lbox_height, title_info, keys={})
+    # argument check
+    if (! title_info.kind_of? Array) or (title_info.size < 2)
+      raise
+    end
+
+    # mode
+    @keep_minsize = true
+    @show_each_hscr = true
+    @show_win_hscr = true
+
+    # init arrays
+    @base_list  = []
+    @rel_list   = []
+    @title_list = []
+    @title_cmd  = []
+    @lbox_list  = []
+    @hscr_list  = []
+
+    # decide total width
+    @lbox_total = title_info.size
+    @width_total = 0
+    title_info.each{|title, width, cmd| 
+      @width_total += width.to_f
+      @title_cmd << cmd
+    }
+
+    # rel-table of label=>index
+    @name_index = {}
+
+    # size definition
+    @window_width = @width_total
+    @sash = 5
+    @scrbar_width = 15
+    @scrbar_border = 3
+    @lbox_border = 1
+    @title_border = 3
+    @h_l_thick = 0
+
+    # virtical scrollbar
+    @v_scroll = TkScrollbar.new(@frame, 'highlightthickness'=>@h_l_thick, 
+				'borderwidth'=>@scrbar_border, 
+				'orient'=>'vertical', 'width'=>@scrbar_width)
+
+    # horizontal scrollbar
+    @h_scroll = TkScrollbar.new(@frame, 'highlightthickness'=>@h_l_thick, 
+				'borderwidth'=>@scrbar_border, 
+				'orient'=>'horizontal', 'width'=>@scrbar_width)
+
+    # create base flames
+    @c_title = TkCanvas.new(@frame, 'highlightthickness'=>@h_l_thick, 
+			    'width'=>@window_width)
+    @f_title = TkFrame.new(@c_title, 'width'=>@width_total)
+    @w_title = TkcWindow.new(@c_title, 0, 0, 
+			     'window'=>@f_title, 'anchor'=>'nw')
+
+    @c_lbox  = TkCanvas.new(@frame, 'highlightthickness'=>@h_l_thick, 
+			    'width'=>@window_width)
+    @f_lbox  = TkFrame.new(@c_lbox, 'width'=>@width_total)
+    @w_lbox  = TkcWindow.new(@c_lbox, 0, 0, 'window'=>@f_lbox, 'anchor'=>'nw')
+
+    @c_hscr  = TkCanvas.new(@frame, 'highlightthickness'=>@h_l_thick, 
+			    'width'=>@window_width)
+    @f_hscr  = TkFrame.new(@c_hscr, 'width'=>@width_total)
+    @w_hscr  = TkcWindow.new(@c_hscr, 0, 0, 'window'=>@f_hscr, 'anchor'=>'nw')
+
+    # create each listbox
+    sum = 0.0
+    @rel_list << sum/@width_total
+    title_info.each_with_index{|(label, width), idx|
+      # set relation between label and index
+      if @name_index.include?(label)
+	@name_index[label] << idx
+      else
+	@name_index[label] = [idx]
+      end
+
+      # calculate relative positioning
+      sum += width
+      @rel_list << sum/@width_total
+
+      # title field
+      f = TkFrame.new(@f_title, 'width'=>width)
+      base = [f]
+
+      title = TkLabel.new(f, 'text'=>label, 'borderwidth'=>@title_border, 
+			  'relief'=>'raised', 'highlightthickness'=>@h_l_thick)
+      title_binding(title, idx)
+      title.pack('fill'=>'x')
+
+      @title_list << title
+
+      f.place('relx'=>@rel_list[idx], 'y'=>0, 'anchor'=>'nw', 'width'=>1, 
+	      'relheight'=>1.0, 
+	      'relwidth'=>@rel_list[idx+1] - @rel_list[idx])
+
+      # listbox field
+      f = TkFrame.new(@f_lbox, 'width'=>width)
+      base << f
+      @lbox_list << TkListbox.new(f, 'highlightthickness'=>@h_l_thick, 
+				  'borderwidth'=>@lbox_border
+				  ).pack('fill'=>'both', 'expand'=>true)
+      f.place('relx'=>@rel_list[idx], 'y'=>0, 'anchor'=>'nw', 'width'=>1, 
+	      'relwidth'=>@rel_list[idx+1] - @rel_list[idx], 'relheight'=>1.0)
+
+      # scrollbar field
+      f = TkFrame.new(@f_hscr, 'width'=>width)
+      base << f
+      @hscr_list << TkScrollbar.new(f, 'orient'=>'horizontal', 
+				    'width'=>@scrbar_width, 
+				    'borderwidth'=>@scrbar_border, 
+				    'highlightthickness'=>@h_l_thick
+				    ).pack('fill'=>'x', 'anchor'=>'w')
+      f.place('relx'=>@rel_list[idx], 'y'=>0, 'anchor'=>'nw', 'width'=>1, 
+	      'relwidth'=>@rel_list[idx+1] - @rel_list[idx])
+
+      @lbox_list[idx].xscrollcommand proc{|first, last| 
+	@hscr_list[idx].set first, last
+      }
+      @hscr_list[idx].command proc{|*args| @lbox_list[idx].xview *args}
+
+      # add new base
+      @base_list << base
+    }
+
+    # pad
+    # @f_title_pad = TkFrame.new(@frame)
+    @f_title_pad = TkFrame.new(@frame, 'relief'=>'raised', 
+			       'borderwidth'=>@title_border, 
+			       'highlightthickness'=>@h_l_thick)
+
+    @f_scr_pad = TkFrame.new(@frame, 'relief'=>'sunken', 
+			     'borderwidth'=>1, 
+			     'highlightthickness'=>@h_l_thick)
+
+    # height check
+    title_height = 0
+    @title_list.each{|w| 
+      h = w.winfo_reqheight
+      title_height = h if title_height < h
+    }
+
+    hscr_height = 0
+    @hscr_list.each{|w| 
+      h = w.winfo_reqheight
+      hscr_height = h if hscr_height < h
+    }
+
+    @f_title.height title_height
+    @f_lbox.height lbox_height
+    @f_hscr.height hscr_height
+
+    # set control procedure for virtical scroll
+    @lbox_list.each{|lbox|
+      lbox.yscrollcommand proc{|first, last| 
+	@v_scroll.set first, last
+      }
+    }
+    @v_scroll.command proc{|*args| @lbox_list.each{|lbox| lbox.yview *args} }
+
+    # set control procedure for horizoncal scroll
+    @c_title.xscrollcommand proc{|first, last| 
+      @h_scroll.set first, last
+    }
+    @c_lbox.xscrollcommand proc{|first, last| 
+      @h_scroll.set first, last
+    }
+    @c_hscr.xscrollcommand proc{|first, last| 
+      @h_scroll.set first, last
+    }
+    @h_scroll.command proc{|*args| 
+      @c_title.xview *args
+      @c_lbox.xview *args
+      @c_hscr.xview *args if @show_each_hscr
+    }
+
+    # binding for listboxes
+    @mode = {}
+    @mode['browse']   = browse_mode_bindtag
+    @mode['single']   = single_mode_bindtag
+    @mode['extended'] = extended_mode_bindtag
+    @mode['multiple'] = multiple_mode_bindtag
+    @current_mode = 'browse'
+    @lbox_list.each_with_index{|l, idx| 
+      l.bind('Shift-Key-Left', 
+	     proc{|w| focus_shift(w, -1); Tk.callback_break}, '%W')
+      l.bind('Shift-Key-Right', 
+	     proc{|w| focus_shift(w, 1); Tk.callback_break}, '%W')
+
+      l.bind('Button-2', proc{|x, y| 
+	       @lbox_mark_x = x
+	       @lbox_list.each{|lbox| lbox.scan_mark(x, y)}
+	     }, '%x %y')
+      l.bind('B2-Motion', proc{|x, y| 
+	       @lbox_list.each{|lbox| lbox.scan_dragto(@lbox_mark_x, y)}
+	       l.scan_dragto(x, y)
+	     }, '%x %y')
+
+      l.bindtags(l.bindtags.unshift(@mode[@current_mode]))
+    }
+
+    bbox = @w_title.bbox
+    @c_title.height(bbox[3])
+    @c_title.scrollregion(bbox)
+
+    bbox = @w_lbox.bbox
+    @c_lbox.height(bbox[3])
+    @c_lbox.scrollregion(bbox)
+
+    if @show_each_hscr
+      bbox = @w_hscr.bbox
+      @c_hscr.height(bbox[3])
+      @c_hscr.scrollregion(bbox)
+    end
+
+    # alignment
+    TkGrid.rowconfigure(@frame, 0, 'weight'=>0)
+    TkGrid.rowconfigure(@frame, 1, 'weight'=>1)
+    TkGrid.rowconfigure(@frame, 2, 'weight'=>0)
+    TkGrid.rowconfigure(@frame, 3, 'weight'=>0)
+    TkGrid.columnconfigure(@frame, 0, 'weight'=>1)
+    TkGrid.columnconfigure(@frame, 1, 'weight'=>0)
+    TkGrid.columnconfigure(@frame, 2, 'weight'=>0)
+    @v_scroll.grid('row'=>1, 'column'=>2, 'sticky'=>'ns')
+    @c_title.grid('row'=>0, 'column'=>0, 'sticky'=>'news')
+    @f_title_pad.grid('row'=>0, 'column'=>2, 'sticky'=>'news')
+    @c_lbox.grid('row'=>1, 'column'=>0, 'sticky'=>'news')
+    @c_hscr.grid('row'=>2, 'column'=>0, 'sticky'=>'ew') if @show_each_hscr
+    @h_scroll.grid('row'=>3, 'column'=>0, 'sticky'=>'ew') if @show_win_hscr
+    @f_scr_pad.grid('row'=>2, 'rowspan'=>2, 'column'=>2, 'sticky'=>'news')
+
+    # binding for 'Configure' event
+    @c_lbox.bind('Configure', 
+		 proc{|height, width| reconstruct(height, width)}, 
+		 '%h %w')
+
+    # set default receiver of method calls
+    @path = @lbox_list[0].path
+
+    # configure options
+    keys = {} unless keys
+    keys = _symbolkey2str(keys)
+
+    # 'mode' option of listboxes
+    sel_mode = keys.delete('mode')
+    mode(sel_mode) if sel_mode
+
+    # 'scrollbarwidth' option == 'width' option of scrollbars
+    width = keys.delete('scrollbarwidth')
+    scrollbarwidth(width) if width
+
+    # options for listbox titles
+    title_font = keys.delete('titlefont')
+    titlefont(title_font) if title_font
+
+    title_fg = keys.delete('titleforeground')
+    titleforeground(title_fg) if title_fg
+
+    title_bg = keys.delete('titlebackground')
+    titlebackground(title_bg) if title_bg
+
+    # set receivers for configure methods
+    delegate('DEFAULT', *@lbox_list)
+    delegate('activebackground', @v_scroll, @h_scroll, *@hscr_list)
+    delegate('troughcolor', @v_scroll, @h_scroll, *@hscr_list)
+    delegate('repeatdelay', @v_scroll, @h_scroll, *@hscr_list)
+    delegate('repeatinterval', @v_scroll, @h_scroll, *@hscr_list)
+    delegate('borderwidth', @frame)
+    delegate('width', @c_lbox, @c_title, @c_hscr)
+    delegate('relief', @frame)
+
+    # configure
+    configure(keys) if keys.size > 0
+  end
+  private :initialize_composite
+
+  # set 'mode' option of listboxes
+  def mode(sel_mode)
+    @lbox_list.each{|l| 
+      tags = l.bindtags
+      tags = tags - [ @mode[@current_mode] ]
+      l.bindtags(tags.unshift(@mode[sel_mode]))
+      @current_mode = sel_mode
+    }
+  end
+
+  # keep_minsize?
+  def keep_minsize?
+    @keep_minsize
+  end
+  def keep_minsize(bool)
+    @keep_minsize = bool
+  end
+
+  # each hscr
+  def show_each_hscr
+    @show_each_hscr = true
+    @c_hscr.grid('row'=>2, 'column'=>0, 'sticky'=>'ew')
+  end
+  def hide_each_hscr
+    @show_each_hscr = false
+    @c_hscr.ungrid
+  end
+
+  # window hscroll
+  def show_win_hscr
+    @show_win_hscr = true
+    @h_scroll.grid('row'=>3, 'column'=>0, 'sticky'=>'ew')
+  end
+  def hide_win_hscr
+    @show_each_hscr = false
+    @h_scroll.ungrid
+  end
+
+  # set scrollbar width
+  def scrollbarwidth(width)
+    @scrbar_width = width
+    @v_scroll['width'] = @scrbar_width
+    @h_scroll['width'] = @scrbar_width
+    @hscr_list.each{|hscr| hscr['width'] = @scrbar_width}
+    self
+  end
+
+  # set scrollbar border
+  def scrollbarborder(width)
+    @scrbar_border = width
+    @v_scroll['border'] = @scrbar_border
+    @h_scroll['border'] = @scrbar_border
+    @hscr_list.each{|hscr| hscr['border'] = @scrbar_border}
+    self
+  end
+
+  # set listbox borders
+  def listboxborder(width)
+    @lbox_border = width
+    @lbox_list.each{|w| w['border'] = @lbox_border}
+    self
+  end
+
+  # set listbox relief
+  def listboxrelief(relief)
+    @lbox_list.each{|w| w['relief'] = relief}
+    self
+  end
+
+  # set title borders
+  def titleborder(width)
+    @title_border = width
+    @f_title_pad['border'] = @title_border
+    @title_list.each{|label| label['border'] = @title_border}
+    self
+  end
+
+  # set title font
+  def titlefont(font)
+    @title_list.each{|label| label['font'] = font}
+    title_height = 0
+    @title_list.each{|w| 
+      h = w.winfo_reqheight
+      title_height = h if title_height < h
+    }
+    @f_title.height title_height
+    bbox = @w_title.bbox
+    @c_title.height(bbox[3])
+    @c_title.scrollregion(bbox)
+    self
+  end
+
+  # set title foreground color
+  def titleforeground(fg)
+    @title_list.each{|label| label['foreground'] = fg}
+    self
+  end
+
+  # set title background color
+  def titlebackground(bg)
+    @f_title_pad['background'] = bg
+    @title_list.each{|label| label['background'] = bg}
+    self
+  end
+
+  # set title cmds
+  def titlecommand(idx, cmd=Proc.new)
+    @title_cmd[idx] = cmd
+  end
+
+  # call title cmds
+  def titleinvoke(idx)
+    @title_cmd[idx].call if @title_cmd[idx]
+  end
+
+  # get label widgets of listbox titles
+  def titlelabels(*indices)
+    @title_list[*indices]
+  end
+
+  # get listbox widgets
+  def columns(*indices)
+    @lbox_list[*indices]
+  end
+
+  def activate(idx)
+    @lbox_list.each{|lbox| lbox.activate(idx)}
+  end
+
+  def bbox(idx)
+    @lbox_list.collect{|lbox| lbox.bbox(idx)}
+  end
+
+  def delete(*idx)
+    @lbox_list.collect{|lbox| lbox.delete(*idx)}
+  end
+
+  def get(*idx)
+    if idx.size == 1
+      @lbox_list.collect{|lbox| lbox.get(*idx)}
+    else
+      list = @lbox_list.collect{|lbox| lbox.get(*idx)}
+      result = []
+      list[0].each_with_index{|line, index|
+	result << list.collect{|lines| lines[index]}
+      }
+      result
+    end
+  end
+
+  def _line_array_to_hash(line)
+    result = {}
+    @name_index.each_pair{|label, indices|
+      if indices.size == 1
+	result[label] = line[indices[0]]
+      else
+	result[label] = indices.collect{|index| line[index]}
+      end
+    }
+    result
+  end
+  private :_line_array_to_hash
+
+  def get_by_hash(*idx)
+    get_result = get(*idx)
+    if idx.size == 1
+      _line_array_to_hash(get_result)
+    else
+      get_result.collect{|line| _line_array_to_hash(line)}
+    end
+  end
+
+  def insert(idx, *lines)
+    lbox_ins = []
+    (0..@lbox_list.size).each{lbox_ins << []}
+
+    lines.each{|line|
+      if line.kind_of? Hash
+	array = []
+	@name_index.each_pair{|label, indices|
+	  if indices.size == 1
+	    array[indices[0]] = line[label]
+	  else
+	    if line[label].kind_of? Array
+	      indices.each_with_index{|index, num| 
+		array[index] = line[label][num]
+	      }
+	    else
+	      array[indices[0]] = line[label]
+	    end
+	  end
+	}
+	line = array
+      end
+
+      @name_index.each_pair{|label, indices|
+	if indices.size == 1
+	  lbox_ins[indices[0]] << line[indices[0]]
+	else
+	  indices.each{|index| lbox_ins[index] << line[index]}
+	end
+      }
+    }	
+
+    @lbox_list.each_with_index{|lbox, index| 
+      lbox.insert(idx, *lbox_ins[index]) if lbox_ins[index]
+    }
+  end
+
+  def selection_anchor(index)
+    @lbox_list.each{|lbox| lbox.selection_anchor(index)}
+  end
+
+  def selection_clear(first, last=None)
+    @lbox_list.each{|lbox| lbox.selection_clear(first, last=None)}
+  end
+
+  def selection_set(first, last=None)
+    @lbox_list.each{|lbox| lbox.selection_set(first, last=None)}
+  end
+
+  ###########################################
+  private
+
+  def reconstruct(height, width)
+    if @keep_minsize && width <= @width_total
+      @f_title.width(@width_total)
+      @f_lbox.width(@width_total)
+      @f_hscr.width(@width_total) if @show_each_hscr
+      @window_width = @width_total
+    else
+      @f_title.width(width)
+      @f_lbox.width(width)
+      @f_hscr.width(width) if @show_each_hscr
+      @window_width = width
+    end
+
+    @f_lbox.height(height)
+
+    @c_title.scrollregion(@w_title.bbox)
+    @c_lbox.scrollregion(@w_lbox.bbox)
+    @c_hscr.scrollregion(@w_hscr.bbox) if @show_each_hscr
+
+    (0..(@rel_list.size - 2)).each{|idx|
+      title, lbox, hscr = @base_list[idx]
+      title.place('relwidth'=>@rel_list[idx+1] - @rel_list[idx])
+      lbox.place('relwidth'=>@rel_list[idx+1] - @rel_list[idx], 
+		 'relheight'=>1.0)
+      hscr.place('relwidth'=>@rel_list[idx+1] - @rel_list[idx])
+    }
+  end
+
+  def resize(x)
+    idx = @sel_sash
+    return if idx == 0
+
+    # adjustment of relative positioning
+    delta = (x - @x) / @frame_width
+    if delta < @rel_list[idx-1] - @rel_list[idx] + (2*@sash/@frame_width)
+      delta = @rel_list[idx-1] - @rel_list[idx] + (2*@sash/@frame_width)
+    elsif delta > @rel_list[idx+1] - @rel_list[idx] - (2*@sash/@frame_width)
+      delta = @rel_list[idx+1] - @rel_list[idx] - (2*@sash/@frame_width)
+    end
+    @rel_list[idx] += delta
+
+    # adjustment of leftside widget of the sash
+    title, lbox, hscr = @base_list[idx - 1]
+    title.place('relwidth'=>@rel_list[idx] - @rel_list[idx-1])
+    lbox.place('relwidth'=>@rel_list[idx] - @rel_list[idx-1], 'relheight'=>1.0)
+    hscr.place('relwidth'=>@rel_list[idx] - @rel_list[idx-1])
+
+    # adjustment of rightside widget of the sash
+    title, lbox, hscr = @base_list[idx]
+    title.place('relwidth'=>@rel_list[idx+1] - @rel_list[idx], 
+		'relx'=>@rel_list[idx])
+    lbox.place('relwidth'=>@rel_list[idx+1] - @rel_list[idx], 
+	       'relx'=>@rel_list[idx], 'relheight'=>1.0)
+    hscr.place('relwidth'=>@rel_list[idx+1] - @rel_list[idx], 
+	       'relx'=>@rel_list[idx])
+
+    # update reference position
+    @x = x
+  end
+
+  def motion_cb(w, x, idx)
+    if x <= @sash && idx > 0
+      w.cursor 'sb_h_double_arrow'
+      @mode = :sash
+      @sel_sash = idx
+    elsif x >= w.winfo_width - @sash && idx < @lbox_total - 1
+      w.cursor 'sb_h_double_arrow'
+      @mode = :sash
+      @sel_sash = idx + 1
+    else
+      w.cursor ""
+      @mode = :title
+      @sel_sash = 0
+    end
+  end
+
+  def title_binding(title, index)
+    title.bind('Motion', proc{|w, x, idx| motion_cb(w, x, idx.to_i)}, 
+	       "%W %x #{index}")
+
+    title.bind('Enter', proc{|w, x, idx| motion_cb(w, x, idx.to_i)}, 
+	       "%W %x #{index}")
+
+    title.bind('Leave', proc{|w| w.cursor ""}, "%W")
+
+    title.bind('Button-1', 
+	       proc{|w, x| 
+		 if @mode == :sash
+		   @x = x
+		   @frame_width = TkWinfo.width(@f_title).to_f
+		 else
+		   title.relief 'sunken'
+		 end
+	       }, 
+	       '%W %X')
+
+    title.bind('ButtonRelease-1', 
+	       proc{|w, x, idx| 
+		 i = idx.to_i
+		 if @mode == :title && @title_cmd[i].kind_of?(Proc)
+		   @title_cmd[i].call
+		 end
+		 title.relief 'raised'
+		 motion_cb(w,x,i)
+	       }, 
+	       "%W %x #{index}")
+
+    title.bind('B1-Motion', proc{|x| resize(x) if @mode == :sash}, "%X")
+  end
+
+  #################################
+  def browse_mode_bindtag
+    t = TkBindTag.new
+    t.bind('Button-1', 
+	   proc{|w, y| w.focus; select_line(w, w.nearest(y))}, '%W %y')
+    t.bind('B1-Motion', proc{|w, y| select_line(w, w.nearest(y))}, '%W %y')
+
+    t.bind('Shift-Button-1', 
+	   proc{|w, y| active_line(w, w.nearest(y))}, '%W %y')
+
+    t.bind('Key-Up', proc{|w| select_shift(w, -1)}, '%W')
+    t.bind('Key-Down', proc{|w| select_shift(w, 1)}, '%W')
+
+    t.bind('Control-Home', proc{|w| select_line(w, 0)}, '%W')
+    t.bind('Control-End', proc{|w| select_line(w, 'end')}, '%W')
+
+    t.bind('space', proc{|w| select_line(w, w.index('active').to_i)}, '%W')
+    t.bind('Select', proc{|w| select_line(w, w.index('active').to_i)}, '%W')
+    t.bind('Control-slash', 
+	   proc{|w| select_line(w, w.index('active').to_i)}, '%W')
+
+    t
+  end
+
+  ########################
+  def single_mode_bindtag
+    t = TkBindTag.new
+    t.bind('Button-1', 
+	   proc{|w, y| w.focus; select_only(w, w.nearest(y))}, '%W %y')
+    t.bind('ButtonRelease-1', 
+	   proc{|w, y| active_line(w, w.nearest(y))}, '%W %y')
+
+    t.bind('Shift-Button-1', 
+	   proc{|w, y| active_line(w, w.nearest(y))}, '%W %y')
+
+    t.bind('Key-Up', proc{|w| select_shift(w, -1)}, '%W')
+    t.bind('Key-Down', proc{|w| select_shift(w, 1)}, '%W')
+
+    t.bind('Control-Home', proc{|w| select_line(w, 0)}, '%W')
+    t.bind('Control-End', proc{|w| select_line(w, 'end')}, '%W')
+
+    t.bind('space', proc{|w| select_line(w, w.index('active').to_i)}, '%W')
+    t.bind('Select', proc{|w| select_line(w, w.index('active').to_i)}, '%W')
+    t.bind('Control-slash', 
+	   proc{|w| select_line(w, w.index('active').to_i)}, '%W')
+    t.bind('Control-backslash', 
+	   proc{@lbox_list.each{|l| l.selection_clear(0, 'end')}})
+
+    t
+  end
+
+  ########################
+  def extended_mode_bindtag
+    t = TkBindTag.new
+    t.bind('Button-1', 
+	   proc{|w, y| w.focus; select_only(w, w.nearest(y))}, '%W %y')
+    t.bind('B1-Motion', proc{|w, y| select_range(w, w.nearest(y))}, '%W %y')
+
+    t.bind('ButtonRelease-1', 
+	   proc{|w, y| active_line(w, w.nearest(y))}, '%W %y')
+
+    t.bind('Shift-Button-1', 
+	   proc{|w, y| select_range(w, w.nearest(y))}, '%W %y')
+    t.bind('Shift-B1-Motion', 
+	   proc{|w, y| select_range(w, w.nearest(y))}, '%W %y')
+
+    t.bind('Control-Button-1', 
+	   proc{|w, y| select_toggle(w, w.nearest(y))}, '%W %y')
+
+    t.bind('Control-B1-Motion', 
+	   proc{|w, y| select_drag(w, w.nearest(y))}, '%W %y')
+
+    t.bind('Key-Up', proc{|w| active_shift(w, -1)}, '%W')
+    t.bind('Key-Down', proc{|w| active_shift(w, 1)}, '%W')
+
+    t.bind('Shift-Up', proc{|w| select_expand(w, -1)}, '%W')
+    t.bind('Shift-Down', proc{|w| select_expand(w, 1)}, '%W')
+
+    t.bind('Control-Home', proc{|w| select_line2(w, 0)}, '%W')
+    t.bind('Control-End', proc{|w| select_line2(w, 'end')}, '%W')
+
+    t.bind('Control-Shift-Home', proc{|w| select_range(w, 0)}, '%W')
+    t.bind('Control-Shift-End', proc{|w| select_range(w, 'end')}, '%W')
+
+    t.bind('space', proc{|w| select_active(w)}, '%W')
+    t.bind('Select', proc{|w| select_active(w)}, '%W')
+    t.bind('Control-slash', proc{|w| select_all}, '%W')
+    t.bind('Control-backslash', proc{|w| clear_all}, '%W')
+
+    t
+  end
+
+  ########################
+  def multiple_mode_bindtag
+    t = TkBindTag.new
+    t.bind('Button-1', 
+	   proc{|w, y| w.focus; select_line3(w, w.nearest(y))}, '%W %y')
+    t.bind('ButtonRelease-1', 
+	   proc{|w, y| active_line(w, w.nearest(y))}, '%W %y')
+
+    t.bind('Key-Up', proc{|w| active_shift(w, -1)}, '%W')
+    t.bind('Key-Down', proc{|w| active_shift(w, 1)}, '%W')
+
+    t.bind('Control-Home', proc{|w| select_line2(w, 0)}, '%W')
+    t.bind('Control-End', proc{|w| select_line2(w, 'end')}, '%W')
+
+    t.bind('Control-Shift-Home', proc{|w| active_line(w, 0)}, '%W')
+    t.bind('Control-Shift-End', proc{|w| active_line(w, 'end')}, '%W')
+
+    t.bind('space', proc{|w| select_active(w)}, '%W')
+    t.bind('Select', proc{|w| select_active(w)}, '%W')
+    t.bind('Control-slash', proc{|w| select_all}, '%W')
+    t.bind('Control-backslash', proc{|w| clear_all}, '%W')
+
+    t
+  end
+
+  ########################
+  def active_line(w, idx)
+    @lbox_list.each{|l| l.activate(idx)}
+  end
+
+  def select_only(w, idx)
+    @lbox_list.each{|l|
+      l.selection_clear(0, 'end')
+      l.selection_anchor(idx)
+      l.selection_set('anchor')
+    }
+  end
+
+  def select_range(w, idx)
+    @lbox_list.each{|l|
+      l.selection_clear(0, 'end')
+      l.selection_set('anchor', idx)
+    }
+  end
+
+  def select_toggle(w, idx)
+    st = w.selection_includes(idx)
+    @lbox_list.each{|l|
+      l.selection_anchor(idx)
+      if st == 1
+	l.selection_clear(idx)
+      else
+	l.selection_set(idx)
+      end
+    }
+  end
+
+  def select_drag(w, idx)
+    st = w.selection_includes('anchor')
+    @lbox_list.each{|l|
+      if st == 1
+	l.selection_set('anchor', idx)
+      else
+	l.selection_clear('anchor', idx)
+      end
+    }
+  end
+
+  def select_line(w, idx)
+    @lbox_list.each{|l|
+      l.selection_clear(0, 'end')
+      l.activate(idx)
+      l.selection_anchor(idx)
+      l.selection_set('anchor')
+    }
+    w.selection_set('anchor')
+  end
+
+  def select_line2(w, idx)
+    @lbox_list.each{|l|
+      l.activate(idx)
+      l.selection_anchor(idx)
+      l.selection_set('anchor')
+    }
+  end
+
+  def select_line3(w, idx)
+    @lbox_list.each{|l|
+      l.selection_set(idx)
+    }
+  end
+
+  def select_active(w)
+    idx = l.activate(idx)
+    @lbox_list.each{|l|
+      l.selection_set(idx)
+    }
+  end
+
+  def select_expand(w, dir)
+    idx = w.index('active').to_i + dir
+    if idx < 0
+      idx = 0
+    elsif idx >= w.size
+      idx = w.size - 1
+    end
+    @lbox_list.each{|l|
+      l.activate(idx)
+      l.selection_set(idx)
+    }
+  end
+
+  def active_shift(w, dir)
+    idx = w.index('active').to_i + dir
+    if idx < 0
+      idx = 0
+    elsif idx >= w.size
+      idx = w.size - 1
+    end
+    @lbox_list.each{|l|
+      l.activate(idx)
+      l.selection_anchor(idx)
+    }
+  end
+
+  def select_shift(w, dir)
+    idx = w.index('anchor').to_i + dir
+    if idx < 0
+      idx = 0
+    elsif idx >= w.size
+      idx = w.size - 1
+    end
+    @lbox_list.each{|l|
+      l.selection_clear(0, 'end')
+      l.activate(idx)
+      l.selection_anchor(idx)
+      l.selection_set('anchor')
+    }
+  end
+
+  def select_all
+    @lbox_list.each{|l|
+      l.selection_set(0, 'end')
+    }
+  end
+
+  def clear_all
+    @lbox_list.each{|l|
+      l.selection_clear(0, 'end')
+    }
+  end
+
+  def focus_shift(w, dir)
+    idx = @lbox_list.index(w) + dir
+    return if idx < 0
+    return if idx >= @lbox_list.size
+    @lbox_list[idx].focus
+  end
+  ########################
+end
+
+################################################
+# test
+################################################
+if __FILE__ == $0
+  l = TkMultiListFrame.new(nil, 200, 
+			   [ ['L1', 200, proc{p 'click L1'}], 
+			     ['L2', 100], 
+			     ['L3', 200] ], 
+			   'width'=>350, 
+			   #'titleforeground'=>'yellow', 
+			   'titleforeground'=>'white', 
+			   #'titlebackground'=>'navy',
+			   'titlebackground'=>'blue',
+			   'titlefont'=>'courier'
+			   ).pack('fill'=>'both', 'expand'=>true)
+  l.insert('end', [1,2,3])
+  l.insert('end', [4,5,6])
+  l.insert('end', [4,5,6], [4,5,6])
+  l.insert('end', ['aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 
+	           'bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',
+                   'cccccccccccccccccccccccccccccccccccccccccccccccccccc'])
+  l.insert('end', [1,2,3])
+  l.insert('end', [4,5,6], [4,5,6])
+  l.insert('end', ['aaaaaaaaaaaaaaa','bbbbbbbbbbbbbb','ccccccccccccccccc'])
+  l.insert('end', [1,2,3])
+  l.insert('end', [4,5,6], [4,5,6])
+  l.insert('end', ['aaaaaaaaaaaaaaa','bbbbbbbbbbbbbb','ccccccccccccccccc'])
+  l.insert('end', [1,2,3])
+  l.insert('end', [4,5,6], [4,5,6])
+  l.insert('end', ['aaaaaaaaaaaaaaa','bbbbbbbbbbbbbb','ccccccccccccccccc'])
+  l.insert('end', [1,2,3])
+  l.insert('end', [4,5,6], [4,5,6])
+  p l.columns(1)
+  p l.columns(1..3)
+  p l.columns(1,2)
+  Tk.mainloop
+end