Method: Tk::Canvas#lower

Defined in:

lib/tk/canvas.rb

#lower(tag, below = nil) ⇒ Object

def itemcget(tagOrId, option)

  case option.to_s
  when 'dash', 'activedash', 'disableddash'
    conf = tk_send_without_enc('itemcget', tagid(tagOrId), "-#{option}")
    if conf =~ /^[0-9]/
      list(conf)
    else
      conf
    end
  when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
    _fromUTF8(tk_send_without_enc('itemcget', tagid(tagOrId), "-#{option}"))
  when 'font', 'kanjifont'
    #fnt = tk_tcl2ruby(tk_send('itemcget', tagid(tagOrId), "-#{option}"))
    fnt = tk_tcl2ruby(_fromUTF8(tk_send_with_enc('itemcget', tagid(tagOrId), '-font')))
    unless fnt.kind_of?(TkFont)
      fnt = tagfontobj(tagid(tagOrId), fnt)
    end
    if option.to_s == 'kanjifont' && JAPANIZED_TK && TK_VERSION =~ /^4\.*/
      # obsolete; just for compatibility
      fnt.kanji_font
    else
      fnt
    end
  else
    tk_tcl2ruby(_fromUTF8(tk_send_without_enc('itemcget', tagid(tagOrId),
                                              "-#{option}")))
  end
end

def itemconfigure(tagOrId, key, value=None)
  if key.kind_of? Hash
    key = _symbolkey2str(key)
    coords = key.delete('coords')
    self.coords(tagOrId, coords) if coords

    if ( key['font'] || key['kanjifont'] \
        || key['latinfont'] || key['asciifont'] )
      tagfont_configure(tagid(tagOrId), key.dup)
    else
      _fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId),
                                    *hash_kv(key, true)))
    end

  else
    if ( key == 'coords' || key == :coords )
      self.coords(tagOrId, value)
    elsif ( key == 'font' || key == :font ||
            key == 'kanjifont' || key == :kanjifont ||
            key == 'latinfont' || key == :latinfont ||
            key == 'asciifont' || key == :asciifont )
      if value == None
        tagfontobj(tagid(tagOrId))
      else
        tagfont_configure(tagid(tagOrId), {key=>value})
      end
    else
      _fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId),
                                    "-#{key}", _get_eval_enc_str(value)))
    end
  end
  self
end

# def itemconfigure(tagOrId, key, value=None) # if key.kind_of? Hash # tk_send ‘itemconfigure’, tagid(tagOrId), *hash_kv(key) # else # tk_send ‘itemconfigure’, tagid(tagOrId), “-#key”, value # end # end # def itemconfigure(tagOrId, keys) # tk_send ‘itemconfigure’, tagid(tagOrId), *hash_kv(keys) # end

def itemconfiginfo(tagOrId, key=nil)
  if TkComm::GET_CONFIGINFO_AS_ARRAY
    if key
      case key.to_s
      when 'coords'
        return ['coords', '', '', '', self.coords(tagOrId)]
      when 'dash', 'activedash', 'disableddash'
        conf = tk_split_simplelist(tk_send_without_enc('itemconfigure', tagid(tagOrId), "-#{key}"))
        if conf[3] && conf[3] =~ /^[0-9]/
          conf[3] = list(conf[3])
        end
        if conf[4] && conf[4] =~ /^[0-9]/
          conf[4] = list(conf[4])
        end
      when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
        conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId), "-#{key}")))
      when 'font', 'kanjifont'
        conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId),"-#{key}")))
        conf[4] = tagfont_configinfo(tagid(tagOrId), conf[4])
      else
        conf = tk_split_list(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId), "-#{key}")))
      end
      conf[0] = conf[0][1..-1]
      conf
    else
      ret = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId)))).collect{|conflist|
        conf = tk_split_simplelist(conflist)
        conf[0] = conf[0][1..-1]
        case conf[0]
        when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
        when 'dash', 'activedash', 'disableddash'
          if conf[3] && conf[3] =~ /^[0-9]/
            conf[3] = list(conf[3])
          end
          if conf[4] && conf[4] =~ /^[0-9]/
            conf[4] = list(conf[4])
          end
        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[1] = conf[1][1..-1] if conf.size == 2 # alias info
        conf
      }

      fontconf = ret.assoc('font')
      if fontconf
        ret.delete_if{|item| item[0] == 'font' || item[0] == 'kanjifont'}
        fontconf[4] = tagfont_configinfo(tagid(tagOrId), fontconf[4])
        ret.push(fontconf)
      end

      ret << ['coords', '', '', '', self.coords(tagOrId)]
    end
  else # ! TkComm::GET_CONFIGINFO_AS_ARRAY
    if key
      case key.to_s
      when 'coords'
        {'coords' => ['', '', '', self.coords(tagOrId)]}
      when 'dash', 'activedash', 'disableddash'
        conf = tk_split_simplelist(tk_send_without_enc('itemconfigure',
                                                       tagid(tagOrId),
                                                       "-#{key}"))
        if conf[3] && conf[3] =~ /^[0-9]/
          conf[3] = list(conf[3])
        end
        if conf[4] && conf[4] =~ /^[0-9]/
          conf[4] = list(conf[4])
        end
      when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
        conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId), "-#{key}")))
      when 'font', 'kanjifont'
        conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId),"-#{key}")))
        conf[4] = tagfont_configinfo(tagid(tagOrId), conf[4])
      else
        conf = tk_split_list(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId), "-#{key}")))
      end
      key = conf.shift[1..-1]
      { key => conf }
    else
      ret = {}
      tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId)))).each{|conflist|
        conf = tk_split_simplelist(conflist)
        key = conf.shift[1..-1]
        case key
        when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
        when 'dash', 'activedash', 'disableddash'
          if conf[2] && conf[2] =~ /^[0-9]/
            conf[2] = list(conf[2])
          end
          if conf[3] && conf[3] =~ /^[0-9]/
            conf[3] = list(conf[3])
          end
        else
          if conf[2]
            if conf[2].index('{')
              conf[2] = tk_split_list(conf[2])
            else
              conf[2] = tk_tcl2ruby(conf[2])
            end
          end
          if conf[3]
            if conf[3].index('{')
              conf[3] = tk_split_list(conf[3])
            else
              conf[3] = tk_tcl2ruby(conf[3])
            end
          end
        end
        if conf.size == 1
          ret[key] = conf[0][1..-1]  # alias info
        else
          ret[key] = conf
        end
      }

      fontconf = ret['font']
      if fontconf
        ret.delete('font')
        ret.delete('kanjifont')
        fontconf[3] = tagfont_configinfo(tagid(tagOrId), fontconf[3])
        ret['font'] = fontconf
      end

      ret['coords'] = ['', '', '', self.coords(tagOrId)]

      ret
    end
  end
end

def current_itemconfiginfo(tagOrId, key=nil)
  if TkComm::GET_CONFIGINFO_AS_ARRAY
    if key
      conf = itemconfiginfo(tagOrId, key)
      {conf[0] => conf[4]}
    else
      ret = {}
      itemconfiginfo(tagOrId).each{|conf|
        ret[conf[0]] = conf[4] if conf.size > 2
      }
      ret
    end
  else # ! TkComm::GET_CONFIGINFO_AS_ARRAY
    ret = {}
    itemconfiginfo(tagOrId, key).each{|k, conf|
      ret[k] = conf[-1] if conf.kind_of?(Array)
    }
    ret
  end
end

# File 'lib/tk/canvas.rb', line 525

def lower(tag, below=nil)
  if below
    tk_send_without_enc('lower', tagid(tag), tagid(below))
  else
    tk_send_without_enc('lower', tagid(tag))
  end
  self
end