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#
# text (tag bindings) widget demo (called by 'widget')
#

# toplevel widget ¤¬Â¸ºß¤¹¤ì¤Ðºï½ü¤¹¤ë
if defined?($bind_demo) && $bind_demo
  $bind_demo.destroy 
  $bind_demo = nil
end

# demo ÍѤΠtoplevel widget ¤òÀ¸À®
$bind_demo = TkToplevel.new {|w|
  title("Text Demonstration - Tag Bindings")
  iconname("bind")
  positionWindow(w)
}

# frame À¸À®
TkFrame.new($bind_demo) {|frame|
  TkButton.new(frame) {
    #text 'λ²ò'
    text 'ÊĤ¸¤ë'
    command proc{
      tmppath = $bind_demo
      $bind_demo = nil
      tmppath.destroy
    }
  }.pack('side'=>'left', 'expand'=>'yes')

  TkButton.new(frame) {
    text '¥³¡¼¥É»²¾È'
    command proc{showCode 'bind'}
  }.pack('side'=>'left', 'expand'=>'yes')
}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')

# bind Íѥ᥽¥Ã¥É
def tag_binding_for_bind_demo(tag, enter_style, leave_style)
  tag.bind('Any-Enter', proc{tag.configure enter_style})
  tag.bind('Any-Leave', proc{tag.configure leave_style})
end

# text À¸À®
TkText.new($bind_demo){|t|
  # À¸À®
  setgrid 'true'
  width  60
  height 24
  font $font
  wrap 'word'
  TkScrollbar.new($bind_demo) {|s|
    pack('side'=>'right', 'fill'=>'y')
    command proc{|*args| t.yview(*args)}
    t.yscrollcommand proc{|first,last| s.set first,last}
  }
  pack('expand'=>'yes', 'fill'=>'both')

  # ¥¹¥¿¥¤¥ëÀßÄê
  if TkWinfo.depth($root).to_i > 1
    tagstyle_bold = {'background'=>'#43ce80', 'relief'=>'raised', 
                     'borderwidth'=>1}
    tagstyle_normal = {'background'=>'', 'relief'=>'flat'}
  else
    tagstyle_bold = {'foreground'=>'white', 'background'=>'black'}
    tagstyle_normal = {'foreground'=>'', 'background'=>''}
  end

  # ¥Æ¥­¥¹¥ÈÁÞÆþ
  insert 'insert', "¥Æ¥­¥¹¥Èwidget¤Îɽ¼¨¥¹¥¿¥¤¥ë¤òÀ©¸æ¤¹¤ë¤Î¤ÈƱ¤¸¥¿¥°¤Î¥á¥«¥Ë¥º¥à¤ò»È¤Ã¤Æ¡¢¥Æ¥­¥¹¥È¤ËTcl¤Î¥³¥Þ¥ó¥É¤ò³ä¤êÅö¤Æ¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£¤³¤ì¤Ë¤è¤ê¡¢¥Þ¥¦¥¹¤ä¥­¡¼¥Ü¡¼¥É¤Î¥¢¥¯¥·¥ç¥ó¤ÇÆÃÄê¤ÎTcl¤Î¥³¥Þ¥ó¥É¤¬¼Â¹Ô¤µ¤ì¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£Î㤨¤Ð¡¢²¼¤Î¥­¥ã¥ó¥Ð¥¹¤Î¥Ç¥â¥×¥í¥°¥é¥à¤Ë¤Ä¤¤¤Æ¤ÎÀâÌÀʸ¤Ë¤Ï¤½¤Î¤è¤¦¤Ê¥¿¥°¤¬¤Ä¤¤¤Æ¤¤¤Þ¤¹¡£¥Þ¥¦¥¹¤òÀâÌÀʸ¤Î¾å¤Ë»ý¤Ã¤Æ¤¤¤¯¤ÈÀâÌÀʸ¤¬¸÷¤ê¡¢¥Ü¥¿¥ó1¤ò²¡¤¹¤È¤½¤ÎÀâÌÀ¤Î¥Ç¥â¤¬»Ï¤Þ¤ê¤Þ¤¹¡£

"
  insert('end', '1. ¥­¥ã¥ó¥Ð¥¹ widget ¤Ëºî¤ë¤³¤È¤Î¤Ç¤­¤ë¥¢¥¤¥Æ¥à¤Î¼ïÎàÁ´¤Æ¤Ë´Ø¤¹¤ë¥µ¥ó¥×¥ë¡£', (d1 = TkTextTag.new(t)) )
  insert('end', "\n\n")
  insert('end', '2. ´Êñ¤Ê 2¼¡¸µ¤Î¥×¥í¥Ã¥È¡£¥Ç¡¼¥¿¤òɽ¤¹ÅÀ¤òÆ°¤«¤¹¤³¤È¤¬¤Ç¤­¤ë¡£', (d2 = TkTextTag.new(t)) )
  insert('end', "\n\n")
  insert('end', '3. ¥Æ¥­¥¹¥È¥¢¥¤¥Æ¥à¤Î¥¢¥ó¥«¡¼¤È¹Ô·¤¨¡£', 
         (d3 = TkTextTag.new(t)) )
  insert('end', "\n\n")
  insert('end', '4. ¥é¥¤¥ó¥¢¥¤¥Æ¥à¤Î¤¿¤á¤ÎÌð°õ¤ÎƬ¤Î·Á¤Î¥¨¥Ç¥£¥¿¡£', 
         (d4 = TkTextTag.new(t)) )
  insert('end', "\n\n")
  insert('end', '5. ¥¿¥Ö¥¹¥È¥Ã¥×¤òÊѹ¹¤¹¤ë¤¿¤á¤Îµ¡Ç½¤Ä¤­¤Î¥ë¡¼¥é¡¼¡£', 
         (d5 = TkTextTag.new(t)) )
  insert('end', "\n\n")
  insert('end', 
         '6. ¥­¥ã¥ó¥Ð¥¹¤¬¤É¤¦¤ä¤Ã¤Æ¥¹¥¯¥í¡¼¥ë¤¹¤ë¤Î¤«¤ò¼¨¤¹¥°¥ê¥Ã¥É¡£', 
         (d6 = TkTextTag.new(t)) )

  # binding
  [d1, d2, d3, d4, d5, d6].each{|tag|
    tag_binding_for_bind_demo(tag, tagstyle_bold, tagstyle_normal)
  }
  d1.bind('1', 
          proc{
            eval(`cat #{[$demo_dir,'items.rb'].join(File::Separator)}`, 
                 _null_binding)
          })
  d2.bind('1', 
          proc{
            eval(`cat #{[$demo_dir,'plot.rb'].join(File::Separator)}`, 
                 _null_binding)
          })
  d3.bind('1', 
          proc{
            eval(`cat #{[$demo_dir,'ctext.rb'].join(File::Separator)}`, 
                 _null_binding)
          })
  d4.bind('1', 
          proc{
            eval(`cat #{[$demo_dir,'arrow.rb'].join(File::Separator)}`, 
                 _null_binding)
          })
  d5.bind('1', 
          proc{
            eval(`cat #{[$demo_dir,'ruler.rb'].join(File::Separator)}`, 
                 _null_binding)
          })
  d6.bind('1', 
          proc{
            eval(`cat #{[$demo_dir,'cscroll.rb'].join(File::Separator)}`, 
                 _null_binding)
          })

  TkTextMarkInsert.new(t, '0.0')
  configure('state','disabled')
}