8 files changed, 403 insertions, 139 deletions

diff --git a/ext/tcltklib/tcltklib.c b/ext/tcltklib/tcltklib.c
index cb2036296a..ef91fcae3d 100644
--- a/ext/tcltklib/tcltklib.c
+++ b/ext/tcltklib/tcltklib.c
@@ -1313,7 +1313,11 @@ ip_invoke(argc, argv, obj)
     }
     if (eventloop_thread == 0 || current == eventloop_thread) {
 	DUMP2("invoke from current eventloop %lx", current);
-	return ip_invoke_real(argc, argv, obj);
+	result = ip_invoke_real(argc, argv, obj);
+	if (rb_obj_is_kind_of(result, rb_eException)) {
+	    rb_exc_raise(result);
+	}
+	return result;
     }
 
     DUMP2("invoke from thread %lx (NOT current eventloop)", current);
diff --git a/ext/tk/lib/tk.rb b/ext/tk/lib/tk.rb
index 2f42160313..6bd2736fe4 100644
--- a/ext/tk/lib/tk.rb
+++ b/ext/tk/lib/tk.rb
@@ -3233,94 +3233,131 @@ module TkTreatFont
 
   def font_configure(slot)
     slot = _symbolkey2str(slot)
-    if (fnt = slot.delete('font'))
+
+    if slot.key?('font')
+      fnt = slot.delete('font')
       if fnt.kind_of? TkFont
 	return fnt.call_font_configure(self.path, self.path,'configure',slot)
       else
-	if fnt
-	  latinfont_configure(fnt)
-	  kanjifont_configure(fnt)
+	if fnt 
+	  if (slot.key?('kanjifont') || 
+	      slot.key?('latinfont') || 
+	      slot.key?('asciifont'))
+	    fnt = TkFont.new(fnt)
+
+	    lfnt = slot.delete('latinfont')
+	    lfnt = slot.delete('asciifont') if slot.key?('asciifont')
+	    kfnt = slot.delete('kanjifont')
+
+	    fnt.latin_replace(lfnt) if lfnt
+	    fnt.kanji_replace(kfnt) if kfnt
+	  else
+	    slot['font'] = fnt
+	    tk_call(self.path, 'configure', *hash_kv(slot))
+	  end
 	end
+	return self
       end
     end
-    if (ltn = slot.delete('latinfont'))
-      latinfont_configure(ltn) if ltn
-    end
-    if (ltn = slot.delete('asciifont'))
-      latinfont_configure(ltn) if ltn
-    end
-    if (knj = slot.delete('kanjifont'))
-      kanjifont_configure(knj) if knj
+
+    lfnt = slot.delete('latinfont')
+    lfnt = slot.delete('asciifont') if slot.key?('asciifont')
+    kfnt = slot.delete('kanjifont')
+
+    if lfnt && kfnt
+      return TkFont.new(lfnt, kfnt).call_font_configure(self.path, self.path, 
+							'configure', slot)
     end
 
+    latinfont_configure(lfnt) if lfnt
+    kanjifont_configure(kfnt) if kfnt
+      
     tk_call(self.path, 'configure', *hash_kv(slot)) if slot != {}
     self
   end
 
   def latinfont_configure(ltn, keys=nil)
-    fobj = fontobj
-    if ltn.kind_of? TkFont
-      conf = {}
-      ltn.latin_configinfo.each{|key,val| conf[key] = val}
-      if keys
-	fobj.latin_configure(conf.update(keys))
+    if (fobj = TkFont.used_on(self.path))
+      fobj = TkFont.new(fobj) # create a new TkFont object
+    elsif Tk::JAPANIZED_TK
+      fobj = fontobj          # create a new TkFont object
+    else
+      tk_call(self.path, 'configure', '-font', ltn)
+      return self
+    end
+
+    if fobj.kind_of?(TkFont)
+      if ltn.kind_of? TkFont
+	conf = {}
+	ltn.latin_configinfo.each{|key,val| conf[key] = val}
+	if keys
+	  fobj.latin_configure(conf.update(keys))
+	else
+	  fobj.latin_configure(conf)
+	end
       else
-	fobj.latin_configure(conf)
+	fobj.latin_replace(ltn)
       end
-    else
-      fobj.latin_replace(ltn)
     end
-    self
+
+    return fobj.call_font_configure(self.path, self.path, 'configure', {})
   end
   alias asciifont_configure latinfont_configure
 
   def kanjifont_configure(knj, keys=nil)
-    fobj = fontobj
-    if knj.kind_of? TkFont
-      conf = {}
-      knj.kanji_configinfo.each{|key,val| conf[key] = val}
-      if keys
-	fobj.kanji_configure(conf.update(keys))
+    if (fobj = TkFont.used_on(self.path))
+      fobj = TkFont.new(fobj) # create a new TkFont object
+    elsif Tk::JAPANIZED_TK
+      fobj = fontobj          # create a new TkFont object
+    else
+      tk_call(self.path, 'configure', '-font', knj)
+      return self
+    end
+
+    if fobj.kind_of?(TkFont)
+      if knj.kind_of? TkFont
+	conf = {}
+	knj.kanji_configinfo.each{|key,val| conf[key] = val}
+	if keys
+	  fobj.kanji_configure(conf.update(keys))
+	else
+	  fobj.kanji_configure(conf)
+	end
       else
-	fobj.kanji_configure(cond)
+	fobj.kanji_replace(knj)
       end
-    else
-      fobj.kanji_replace(knj)
     end
-    self
+
+    return fobj.call_font_configure(self.path, self.path, 'configure', {})
   end
 
   def font_copy(window, tag=nil)
     if tag
-      window.tagfontobj(tag).configinfo.each{|key,value|
-	fontobj.configure(key,value)
-      }
-      fontobj.replace(window.tagfontobj(tag).latin_font, 
-		      window.tagfontobj(tag).kanji_font)
+      fnt = window.tagfontobj(tag).dup
     else
-      window.fontobj.configinfo.each{|key,value|
-	fontobj.configure(key,value)
-      }
-      fontobj.replace(window.fontobj.latin_font, window.fontobj.kanji_font)
+      fnt = window.fontobj.dup
     end
+    fnt.call_font_configure(self.path, self.path, 'configure', {})
     self
   end
 
   def latinfont_copy(window, tag=nil)
+    fontobj.dup.call_font_configure(self.path, self.path, 'configure', {})
     if tag
-      fontobj.latin_replace(window.tagfontobj(tag).latin_font)
+      fontobj.latin_replace(window.tagfontobj(tag).latin_font_id)
     else
-      fontobj.latin_replace(window.fontobj.latin_font)
+      fontobj.latin_replace(window.fontobj.latin_font_id)
     end
     self
   end
   alias asciifont_copy latinfont_copy
 
   def kanjifont_copy(window, tag=nil)
+    fontobj.dup.call_font_configure(self.path, self.path, 'configure', {})
     if tag
-      fontobj.kanji_replace(window.tagfontobj(tag).kanji_font)
+      fontobj.kanji_replace(window.tagfontobj(tag).kanji_font_id)
     else
-      fontobj.kanji_replace(window.fontobj.kanji_font)
+      fontobj.kanji_replace(window.fontobj.kanji_font_id)
     end
     self
   end
@@ -3357,104 +3394,151 @@ module TkTreatItemFont
   def tagfont_configure(tagOrId, slot)
     pathname = __item_pathname(tagOrId)
     slot = _symbolkey2str(slot)
-    if (fnt = slot.delete('font'))
+
+    if slot.key?('font')
+      fnt = slot.delete('font')
       if fnt.kind_of? TkFont
-	return fnt.call_font_configure(pathname, self.path, 
+	return fnt.call_font_configure(pathname, self.path,
 				       __conf_cmd(0), __conf_cmd(1), 
 				       tagOrId, slot)
       else
-	if fnt
-	  latintagfont_configure(tagOrId, fnt)
-	  kanjitagfont_configure(tagOrId, fnt)
+	if fnt 
+	  if (slot.key?('kanjifont') || 
+	      slot.key?('latinfont') || 
+	      slot.key?('asciifont'))
+	    fnt = TkFont.new(fnt)
+
+	    lfnt = slot.delete('latinfont')
+	    lfnt = slot.delete('asciifont') if slot.key?('asciifont')
+	    kfnt = slot.delete('kanjifont')
+
+	    fnt.latin_replace(lfnt) if lfnt
+	    fnt.kanji_replace(kfnt) if kfnt
+	  end
+
+	  slot['font'] = fnt
+	  tk_call(self.path, __conf_cmd(0), __conf_cmd(1), 
+		  tagOrId, *hash_kv(slot))
 	end
+	return self
       end
     end
-    if (ltn = slot.delete('latinfont'))
-      latintagfont_configure(tagOrId, ltn) if ltn
-    end
-    if (ltn = slot.delete('asciifont'))
-      latintagfont_configure(tagOrId, ltn) if ltn
-    end
-    if (knj = slot.delete('kanjifont'))
-      kanjitagfont_configure(tagOrId, knj) if knj
+
+    lfnt = slot.delete('latinfont')
+    lfnt = slot.delete('asciifont') if slot.key?('asciifont')
+    kfnt = slot.delete('kanjifont')
+
+    if lfnt && kfnt
+      return TkFont.new(lfnt, kfnt).call_font_configure(pathname, self.path,
+							__conf_cmd(0), 
+							__conf_cmd(1), 
+							tagOrId, slot)
     end
 
+    latintagfont_configure(tagOrId, lfnt) if lfnt
+    kanjitagfont_configure(tagOrId, kfnt) if kfnt
+      
     tk_call(self.path, __conf_cmd(0), __conf_cmd(1), 
 	    tagOrId, *hash_kv(slot)) if slot != {}
     self
   end
 
   def latintagfont_configure(tagOrId, ltn, keys=nil)
-    fobj = tagfontobj(tagOrId)
-    if ltn.kind_of? TkFont
-      conf = {}
-      ltn.latin_configinfo.each{|key,val| conf[key] = val if val != []}
-      if conf == {}
-	fobj.latin_replace(ltn)
-	fobj.latin_configure(keys) if keys
-      elsif keys
-	fobj.latin_configure(conf.update(keys))
+    pathname = __item_pathname(tagOrId)
+    if (fobj = TkFont.used_on(pathname))
+      fobj = TkFont.new(fobj)    # create a new TkFont object
+    elsif Tk::JAPANIZED_TK
+      fobj = tagfontobj(tagOrId) # create a new TkFont object
+    else
+      tk_call(self.path, __conf_cmd(0), __conf_cmd(1), tagOrId, '-font', ltn)
+      return self
+    end
+
+    if fobj.kind_of?(TkFont)
+      if ltn.kind_of? TkFont
+	conf = {}
+	ltn.latin_configinfo.each{|key,val| conf[key] = val}
+	if keys
+	  fobj.latin_configure(conf.update(keys))
+	else
+	  fobj.latin_configure(conf)
+	end
       else
-	fobj.latin_configure(conf)
+	fobj.latin_replace(ltn)
       end
-    else
-      fobj.latin_replace(ltn)
     end
-    self
+
+    return fobj.call_font_configure(pathname, self.path,
+				    __conf_cmd(0), __conf_cmd(1), tagOrId, {})
   end
   alias asciitagfont_configure latintagfont_configure
 
   def kanjitagfont_configure(tagOrId, knj, keys=nil)
-    fobj = tagfontobj(tagOrId)
-    if knj.kind_of? TkFont
-      conf = {}
-      knj.kanji_configinfo.each{|key,val| conf[key] = val if val != []}
-      if conf == {}
-	fobj.kanji_replace(knj)
-	fobj.kanji_configure(keys) if keys
-      elsif keys
-	fobj.kanji_configure(conf.update(keys))
+    pathname = __item_pathname(tagOrId)
+    if (fobj = TkFont.used_on(pathname))
+      fobj = TkFont.new(fobj)    # create a new TkFont object
+    elsif Tk::JAPANIZED_TK
+      fobj = tagfontobj(tagOrId) # create a new TkFont object
+    else
+      tk_call(self.path, __conf_cmd(0), __conf_cmd(1), tagOrId, '-font', knj)
+      return self
+    end
+
+    if fobj.kind_of?(TkFont)
+      if knj.kind_of? TkFont
+	conf = {}
+	knj.kanji_configinfo.each{|key,val| conf[key] = val}
+	if keys
+	  fobj.kanji_configure(conf.update(keys))
+	else
+	  fobj.kanji_configure(conf)
+	end
       else
-	fobj.kanji_configure(conf)
+	fobj.kanji_replace(knj)
       end
-    else
-      fobj.kanji_replace(knj)
     end
-    self
+
+    return fobj.call_font_configure(pathname, self.path,
+				    __conf_cmd(0), __conf_cmd(1), tagOrId, {})
   end
 
   def tagfont_copy(tagOrId, window, wintag=nil)
+    pathname = __item_pathname(tagOrId)
     if wintag
-      window.tagfontobj(wintag).configinfo.each{|key,value|
-	tagfontobj(tagOrId).configure(key,value)
-      }
-      tagfontobj(tagOrId).replace(window.tagfontobj(wintag).latin_font, 
-				window.tagfontobj(wintag).kanji_font)
+      fnt = window.tagfontobj(wintag).dup
     else
-      window.tagfont(wintag).configinfo.each{|key,value|
-	tagfontobj(tagOrId).configure(key,value)
-      }
-      tagfontobj(tagOrId).replace(window.fontobj.latin_font, 
-				window.fontobj.kanji_font)
+      fnt = window.fontobj.dup
     end
-    self
+    fnt.call_font_configure(pathname, self.path, 
+			    __conf_cmd(0), __conf_cmd(1), tagOrId, {})
+    return self
   end
 
   def latintagfont_copy(tagOrId, window, wintag=nil)
+    pathname = __item_pathname(tagOrId)
+    tagfontobj(tagOrId).dup.call_font_configure(pathname, self.path, 
+						__conf_cmd(0), __conf_cmd(1), 
+						tagOrId, {})
     if wintag
-      tagfontobj(tagOrId).latin_replace(window.tagfontobj(wintag).latin_font)
+      tagfontobj(tagOrId).
+	latin_replace(window.tagfontobj(wintag).latin_font_id)
     else
-      tagfontobj(tagOrId).latin_replace(window.fontobj.latin_font)
+      tagfontobj(tagOrId).latin_replace(window.fontobj.latin_font_id)
     end
     self
   end
   alias asciitagfont_copy latintagfont_copy
 
   def kanjitagfont_copy(tagOrId, window, wintag=nil)
+    pathname = __item_pathname(tagOrId)
+    tagfontobj(tagOrId).dup.call_font_configure(pathname, self.path, 
+						__conf_cmd(0), __conf_cmd(1), 
+						tagOrId, {})
     if wintag
-      tagfontobj(tagOrId).kanji_replace(window.tagfontobj(wintag).kanji_font)
+      tagfontobj(tagOrId).
+	kanji_replace(window.tagfontobj(wintag).kanji_font_id)
     else
-      tagfontobj(tagOrId).kanji_replace(window.fontobj.kanji_font)
+      tagfontobj(tagOrId).kanji_replace(window.fontobj.kanji_font_id)
     end
     self
   end
@@ -3513,11 +3597,17 @@ class TkObject<TkKernel
     when 'text', 'label', 'show', 'data', 'file'
       tk_call path, 'cget', "-#{slot}"
     when 'font', 'kanjifont'
-      fnt = tk_tcl2ruby(tk_call(path, 'cget', "-#{slot}"))
+      #fnt = tk_tcl2ruby(tk_call(path, 'cget', "-#{slot}"))
+      fnt = tk_tcl2ruby(tk_call(path, 'cget', "-font"))
       unless fnt.kind_of?(TkFont)
 	fnt = fontobj(fnt)
       end
-      fnt
+      if slot == 'kanjifont' && JAPANIZED_TK && TK_VERSION =~ /^4\.*/
+	# obsolete; just for compatibility
+	fnt.kanji_font
+      else
+	fnt
+      end
     else
       tk_tcl2ruby tk_call(path, 'cget', "-#{slot}")
     end
@@ -4883,11 +4973,17 @@ class TkListbox<TkTextWin
     when 'text', 'label', 'show'
       tk_send('itemcget', index, "-#{key}")
     when 'font', 'kanjifont'
-      fnt = tk_tcl2ruby(tk_send('itemcget', index, "-#{key}"))
+      #fnt = tk_tcl2ruby(tk_send('itemcget', index, "-#{key}"))
+      fnt = tk_tcl2ruby(tk_send('itemcget', index, '-font'))
       unless fnt.kind_of?(TkFont)
 	fnt = tagfontobj(index, fnt)
       end
-      fnt
+      if key.to_s == 'kanjifont' && JAPANIZED_TK && TK_VERSION =~ /^4\.*/
+	# obsolete; just for compatibility
+	fnt.kanji_font
+      else
+	fnt
+      end
     else
       tk_tcl2ruby(tk_send('itemcget', index, "-#{key}"))
     end
@@ -4908,7 +5004,11 @@ class TkListbox<TkTextWin
           key == 'kanjifont' || key == :kanjifont || 
 	  key == 'latinfont' || key == :latinfont || 
           key == 'asciifont' || key == :asciifont )
-	tagfont_configure(index, {key=>val})
+	if val == None
+	  tagfontobj(index)
+	else
+	  tagfont_configure(index, {key=>val})
+	end
       else
 	tk_call 'itemconfigure', index, "-#{key}", val
       end
@@ -5065,11 +5165,17 @@ class TkMenu<TkWindow
     when 'text', 'label', 'show'
       tk_send 'entrycget', index, "-#{key}"
     when 'font', 'kanjifont'
-      fnt = tk_tcl2ruby(tk_send('entrycget', index, "-#{key}"))
+      #fnt = tk_tcl2ruby(tk_send('entrycget', index, "-#{key}"))
+      fnt = tk_tcl2ruby(tk_send('entrycget', index, '-font'))
       unless fnt.kind_of?(TkFont)
 	fnt = tagfontobj(index, fnt)
       end
-      fnt
+      if key.to_s == 'kanjifont' && JAPANIZED_TK && TK_VERSION =~ /^4\.*/
+	# obsolete; just for compatibility
+	fnt.kanji_font
+      else
+	fnt
+      end
     else
       tk_tcl2ruby(tk_send('entrycget', index, "-#{key}"))
     end
@@ -5090,7 +5196,11 @@ class TkMenu<TkWindow
           key == 'kanjifont' || key == :kanjifont || 
 	  key == 'latinfont' || key == :latinfont || 
           key == 'asciifont' || key == :asciifont )
-	tagfont_configure({key=>val})
+	if val == None
+	  tagfontobj(index)
+	else
+	  tagfont_configure(index, {key=>val})
+	end
       else
 	tk_call 'entryconfigure', index, "-#{key}", val
       end
diff --git a/ext/tk/lib/tkcanvas.rb b/ext/tk/lib/tkcanvas.rb
index 9e386ee50d..024211aa1d 100644
--- a/ext/tk/lib/tkcanvas.rb
+++ b/ext/tk/lib/tkcanvas.rb
@@ -212,11 +212,17 @@ class TkCanvas<TkWindow
     when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
       tk_send 'itemcget', tagid(tagOrId), "-#{option}"
     when 'font', 'kanjifont'
-      fnt = tk_tcl2ruby(tk_send('itemcget', tagid(tagOrId), "-#{option}"))
+      #fnt = tk_tcl2ruby(tk_send('itemcget', tagid(tagOrId), "-#{option}"))
+      fnt = tk_tcl2ruby(tk_send('itemcget', tagid(tagOrId), '-font'))
       unless fnt.kind_of?(TkFont)
 	fnt = tagfontobj(tagid(tagOrId), fnt)
       end
-      fnt
+      if option.to_s == 'kanjifont' && JAPANIZED_TK && TK_VERSION =~ /^4\.*/
+	# obsolete; just for compatibility
+	fnt.kanji_font
+      else
+	fnt
+      end
     else
       tk_tcl2ruby tk_send('itemcget', tagid(tagOrId), "-#{option}")
     end
@@ -227,7 +233,7 @@ class TkCanvas<TkWindow
       key = _symbolkey2str(key)
       if ( key['font'] || key['kanjifont'] \
 	  || key['latinfont'] || key['asciifont'] )
-	tagfont_configure(tagOrId, key.dup)
+	tagfont_configure(tagid(tagOrId), key.dup)
       else
 	tk_send 'itemconfigure', tagid(tagOrId), *hash_kv(key)
       end
@@ -237,7 +243,11 @@ class TkCanvas<TkWindow
            key == 'kanjifont' || key == :kanjifont || 
 	   key == 'latinfont' || key == :latinfont || 
            key == 'asciifont' || key == :asciifont )
-	tagfont_configure(tagid(tagOrId), {key=>value})
+	if value == None
+	  tagfontobj(tagid(tagOrId))
+	else
+	  tagfont_configure(tagid(tagOrId), {key=>value})
+	end
       else
 	tk_send 'itemconfigure', tagid(tagOrId), "-#{key}", value
       end
@@ -750,7 +760,7 @@ class TkcItem<TkObject
     @id = create_self(*args).to_i ;# 'canvas item id' is integer number
     CItemID_TBL[@path] = {} unless CItemID_TBL[@path]
     CItemID_TBL[@path][@id] = self
-    font_configure(fontkeys) unless fontkeys.empty?
+    configure(fontkeys) unless fontkeys.empty?
 
 ######## old version
 #    if args[-1].kind_of? Hash
diff --git a/ext/tk/lib/tkfont.rb b/ext/tk/lib/tkfont.rb
index f0c88e432d..be925dce7a 100644
--- a/ext/tk/lib/tkfont.rb
+++ b/ext/tk/lib/tkfont.rb
@@ -25,6 +25,7 @@ class TkFont
   when /^4\.*/
     DEFAULT_LATIN_FONT_NAME = 'a14'.freeze
     DEFAULT_KANJI_FONT_NAME = 'k14'.freeze
+
   when /^8\.*/
     if JAPANIZED_TK
       begin
@@ -89,6 +90,8 @@ class TkFont
 	ltn = 'Helvetica'
 	knj = 'mincho'
       end
+
+      knj = ltn
     end
 
     DEFAULT_LATIN_FONT_NAME = ltn.freeze
@@ -105,6 +108,49 @@ class TkFont
     print "default kanji font = "; p DEFAULT_KANJI_FONT_NAME
   end
 
+
+  ###################################
+  class DescendantFont
+    def initialize(compound, type)
+      unless compound.kind_of?(TkFont)
+	fail ArgumentError, "a TkFont object is expected for the 1st argument"
+      end
+      @compound = compound
+      case type
+      when 'kanji', 'latin', 'ascii'
+	@type = type
+      else
+	fail ArgumentError, "unknown type '#{type}'"
+      end
+    end
+
+    def dup
+      fail RuntimeError, "cannot dupulicate a descendant font"
+    end
+    def clone
+      fail RuntimeError, "cannot clone a descendant font"
+    end
+
+    def to_eval
+      @compound.__send__(@type + '_font_id')
+    end
+    def font
+      @compound.__send__(@type + '_font_id')
+    end
+
+    def [](slot)
+      @compound.__send__(@type + '_configinfo', slot)
+    end
+    def []=(slot, value=None)
+      @compound.__send__(@type + '_configure', slot, value)
+    end
+
+    def method_missing(id, *args)
+      @compound.__send__(@type + '_' + id.id2name, *args)
+    end
+  end
+
+
   ###################################
   # class methods
   ###################################
@@ -140,7 +186,7 @@ class TkFont
     fail 'source-font must be a TkFont object' unless font.kind_of? TkFont
     keys = {}
     font.configinfo.each{|key,value| keys[key] = value }
-    TkFont.new(font.latin_font, font.kanji_font, keys)
+    TkFont.new(font.latin_font_id, font.kanji_font_id, keys)
   end
 
   def TkFont.get_obj(name)
@@ -222,6 +268,8 @@ class TkFont
   end
 
   ###################################
+  # instance methods
+  ###################################
   private
   ###################################
   def initialize(ltn=nil, knj=nil, keys=nil)
@@ -229,13 +277,16 @@ class TkFont
     Tk_FontID[1].succ!
     Tk_FontNameTBL[@id] = self
 
+    @latin_desscendant = nil
+    @kanji_desscendant = nil
+
     if knj.kind_of?(Hash) && !keys
       keys = knj
       knj = nil
     end
 
     # compound font check
-    if /^8\.*/ === Tk::TK_VERSION  && JAPANIZED_TK
+    if Tk::TK_VERSION == '8.0' && JAPANIZED_TK
       begin
 	compound = tk_split_simplelist(tk_call('font', 'configure', 
 					       ltn, '-compound'))
@@ -374,7 +425,7 @@ class TkFont
 
       @kanjifont = '-' + _get_font_info_from_hash(finfo).join('-') + '-'
     elsif font.kind_of? TkFont
-      @kanjifont = font.kanji_font
+      @kanjifont = font.kanji_font_id
     else
       if font
         @kanjifont = font
@@ -457,7 +508,7 @@ class TkFont
         tk_call('font', 'create', @kanjifont, '-copy', array2tk_list(font))
         tk_call('font', 'configure', @kanjifont, '-charset', 'jisx0208.1983')
       elsif font.kind_of? TkFont
-        tk_call('font', 'create', @kanjifont, '-copy', font.kanji_font)
+        tk_call('font', 'create', @kanjifont, '-copy', font.kanji_font_id)
       elsif font
         tk_call('font', 'create', @kanjifont, '-copy', font, 
 	        '-charset', 'jisx0208.1983')
@@ -474,7 +525,7 @@ class TkFont
         if font.kind_of? Array
 	  actual_core(array2tk_list(font)).each{|key,val| keys[key] = val}
         elsif font.kind_of? TkFont
-	  actual_core(font.kanji_font).each{|key,val| keys[key] = val}
+	  actual_core(font.kanji_font_id).each{|key,val| keys[key] = val}
         elsif font
 	  actual_core(font).each{|key,val| keys[key] = val}
         end
@@ -495,6 +546,22 @@ class TkFont
 
     @compoundfont = @id + 'c'
     if JAPANIZED_TK
+      unless keys
+	keys = {}
+      else
+	keys = keys.dup
+      end
+      if (tk_call('font', 'configure', @latinfont, '-underline') == '1' &&
+	  tk_call('font', 'configure', @kanjifont, '-underline') == '1' &&
+	  !keys.key?('underline'))
+	keys['underline'] = true
+      end
+      if (tk_call('font', 'configure', @latinfont, '-overstrike') == '1' &&
+	  tk_call('font', 'configure', @kanjifont, '-overstrike') == '1' &&
+	  !keys.key?('overstrike'))
+	keys['overstrike'] = true
+      end
+
       @fontslot = {'font'=>@compoundfont}
       begin
 	tk_call('font', 'create', @compoundfont, 
@@ -806,7 +873,8 @@ class TkFont
       begin
 	fnt_bup = tk_call('font', 'create', '@font_tmp', '-copy', @latinfont)
       rescue
-	fnt_bup = ''
+	#fnt_bup = ''
+	fnt_bup = DEFAULT_LATIN_FONT_NAME
       end
     end
 
@@ -822,16 +890,29 @@ class TkFont
       begin
 	tk_call('font', 'create', @compoundfont, 
 		'-compound', [@latinfont, @kanjifont], *hash_kv(keys))
+=begin
+	latinkeys = {}
+	begin
+	  actual_core(@latinfont).each{|key,val| latinkeys[key] = val}
+	rescue
+	  latinkeys {}
+	end
+	if latinkeys != {}
+	  tk_call('font', 'configure', @compoundfont, *hash_kv(latinkeys))
+	end
+=end
       rescue RuntimeError => e
 	tk_call('font', 'delete', @latinfont)
-	if fnt_bup != ''
+	if fnt_bup && fnt_bup != ''
 	  tk_call('font', 'create', @latinfont, '-copy', fnt_bup)
 	  tk_call('font', 'create', @compoundfont, 
 		  '-compound', [@latinfont, @kanjifont], *hash_kv(keys))
 	  tk_call('font', 'delete', fnt_bup)
+	else
+	  fail e
 	end
-	fail e
       end
+
     else
       latinkeys = {}
       begin
@@ -855,7 +936,8 @@ class TkFont
       begin
 	fnt_bup = tk_call('font', 'create', '@font_tmp', '-copy', @kanjifont)
       rescue
-	fnt_bup = ''
+	#fnt_bup = ''
+	fnt_bup = DEFAULT_KANJI_FONT_NAME
       end
     end
 
@@ -873,13 +955,14 @@ class TkFont
 		'-compound', [@latinfont, @kanjifont], *hash_kv(keys))
       rescue RuntimeError => e
 	tk_call('font', 'delete', @kanjifont)
-	if fnt_bup != ''
+	if fnt_bup && fnt_bup != ''
 	  tk_call('font', 'create', @kanjifont, '-copy', fnt_bup)
 	  tk_call('font', 'create', @compoundfont, 
 		  '-compound', [@latinfont, @kanjifont], *hash_kv(keys))
 	  tk_call('font', 'delete', fnt_bup)
+	else
+	  fail e
 	end
-	fail e
       end
     end    
     self
@@ -1039,15 +1122,36 @@ class TkFont
   def font
     @compoundfont
   end
+  alias font_id font
 
-  def latin_font
+  def latin_font_id
     @latinfont
   end
 
-  def kanji_font
+  def latin_font
+    # @latinfont
+    if @latin_descendant
+      @latin_descendant
+    else
+      @latin_descendant = DescendantFont.new(self, 'latin')
+    end
+  end
+  alias latinfont latin_font
+
+  def kanji_font_id
     @kanjifont
   end
 
+  def kanji_font
+    # @kanjifont
+    if @kanji_descendant
+      @kanji_descendant
+    else
+      @kanji_descendant = DescendantFont.new(self, 'kanji')
+    end
+  end
+  alias kanjifont kanji_font
+
   def actual(option=nil)
     actual_core(@compoundfont, nil, option)
   end
@@ -1222,6 +1326,7 @@ class TkFont
   # public alias
   ###################################
   alias ascii_font             latin_font
+  alias asciifont              latinfont
   alias create_asciifont       create_latinfont
   alias ascii_actual           latin_actual
   alias ascii_actual_displayof latin_actual_displayof
@@ -1230,6 +1335,19 @@ class TkFont
   alias ascii_replace          latin_replace
   alias ascii_metrics          latin_metrics
 
+  ###################################
+  def dup
+    src = self
+    obj = super()
+    obj.instance_eval{ initialize(src) }
+    obj
+  end
+  def clone
+    src = self
+    obj = super()
+    obj.instance_eval{ initialize(src) }
+    obj
+  end
 end
 
 module TkTreatTagFont
diff --git a/ext/tk/lib/tktext.rb b/ext/tk/lib/tktext.rb
index 9f1ad24665..cf4fc68ddc 100644
--- a/ext/tk/lib/tktext.rb
+++ b/ext/tk/lib/tktext.rb
@@ -331,11 +331,17 @@ class TkText<TkTextWin
     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, "-#{key}"))
+      fnt = tk_tcl2ruby(tk_send('tag', 'cget', tag, '-font'))
       unless fnt.kind_of?(TkFont)
 	fnt = tagfontobj(tag, fnt)
       end
-      fnt
+      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
@@ -356,7 +362,11 @@ class TkText<TkTextWin
           key == 'kanjifont' || key == :kanjifont ||
 	  key == 'latinfont' || key == :latinfont || 
           key == 'asciifont' || key == :asciifont
-	tagfont_configure(tag, {key=>val})
+	if val == None
+	  tagfontobj(tag)
+	else
+	  tagfont_configure(tag, {key=>val})
+	end
       else
 	tk_send 'tag', 'configure', tag, "-#{key}", val
       end
@@ -450,11 +460,17 @@ class TkText<TkTextWin
     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, "-#{slot}"))
+      fnt = tk_tcl2ruby(tk_send('window', 'cget', index, '-font'))
       unless fnt.kind_of?(TkFont)
 	fnt = tagfontobj(index, fnt)
       end
-      fnt
+      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
@@ -878,11 +894,17 @@ class TkTextTag<TkObject
     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, "-#{key}"))
+      fnt = tk_tcl2ruby(tk_call(@t.path, 'tag', 'cget', @id, '-font'))
       unless fnt.kind_of?(TkFont)
 	fnt = tagfontobj(@id, fnt)
       end
-      fnt
+      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
diff --git a/ext/tk/sample/demos-en/widget b/ext/tk/sample/demos-en/widget
index 7379d11cbd..b6b63d644b 100644
--- a/ext/tk/sample/demos-en/widget
+++ b/ext/tk/sample/demos-en/widget
@@ -11,9 +11,9 @@
 
 require 'tk'
 
-unless /^8\.[1-9]/ =~ Tk::TCL_VERSION && !Tk::JAPANIZED_TK
-  require 'tkencoding'
-end
+#unless /^8\.[1-9]/ =~ Tk::TCL_VERSION && !Tk::JAPANIZED_TK
+#  require 'tkencoding'
+#end
 
 require 'tkafter'
 
diff --git a/ext/tk/sample/demos-jp/ctext.rb b/ext/tk/sample/demos-jp/ctext.rb
index 62b02b3972..6d9355e2f8 100644
--- a/ext/tk/sample/demos-jp/ctext.rb
+++ b/ext/tk/sample/demos-jp/ctext.rb
@@ -62,7 +62,7 @@ $ctag_text.withtag(TkcText.new($ctext_canvas, 250, 200,
 			       'text'=>"これはキャンバスwidgetのテキスト機能をデモするための文字列です。マウスを持っていき、クリックして入力できます。選択してコントロール-Dで消去することもできます。",
 			       'width'=>440, 'anchor'=>'n', 
 			       'font'=>'-*-Helvetica-Medium-R-Normal--*-240-*-*-*-*-*-*', 
-			       'kanjifont'=>'-*--24-*-jisx0208.1983-0', 
+			       'kanjifont'=>'-*-r-*--24-*-jisx0208.1983-0', 
 			       'justify'=>'left') )
 
 $ctag_text.bind('1', proc{|x,y| textB1Press $ctext_canvas,x,y}, "%x %y")
diff --git a/ext/tk/sample/demos-jp/widget b/ext/tk/sample/demos-jp/widget
index d7c1876eeb..bda80d5541 100644
--- a/ext/tk/sample/demos-jp/widget
+++ b/ext/tk/sample/demos-jp/widget
@@ -18,12 +18,12 @@ $tk_platform = TkVarAccess.new('tcl_platform')
 
 # フォント設定
 $font = TkFont.new('-*-Helvetica-Medium-R-Normal--*-140-*-*-*-*-*-*', nil)
-knjfont = '-*--16-*-jisx0208.1983-0'
+knjfont = '-*-r-*--16-*-jisx0208.1983-0'
 $kanji_font = TkFont.new('-*-Helvetica-Medium-R-Normal--*-140-*-*-*-*-*-*',
 			 knjfont)
 TkOption.add('*kanjiFont', knjfont, 'startupFile')
 $msg_kanji_font = TkFont.new('-*-Helvetica-Medium-R-Normal--*-140-*-*-*-*-*-*',
-			     '-*--24-*-jisx0208.1983-0')
+			     '-*-r-*--24-*-jisx0208.1983-0')
 #######
 #case($tk_version)
 #when /^4.*/