Method: TkFont#used

Defined in:
lib/tk/font.rb

#used ⇒ Object 



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# File 'lib/tk/font.rb', line 1073

def used
  ret = []
  table = nil
  Tk_FontUseTBL.mutex.synchronize{
    table = Tk_FontUseTBL.clone # to avoid deadlock
  }
  table.each{|key,value|
    next unless self == value
    if key.include?(';')
      win, tag, optkey = key.split(';')
      winobj = tk_tcl2ruby(win)
      #if winobj.kind_of? TkText
      if winobj.kind_of?(TkText) || winobj.kind_of?(Tk::Text)
        if optkey
          ret.push([winobj, winobj.tagid2obj(tag), optkey])
        else
          ret.push([winobj, winobj.tagid2obj(tag)])
        end
      #elsif winobj.kind_of? TkCanvas
      elsif winobj.kind_of?(TkCanvas) || winobj.kind_of?(Tk::Canvas)
        if (tagobj = TkcTag.id2obj(winobj, tag)).kind_of? TkcTag
          if optkey
            ret.push([winobj, tagobj, optkey])
          else
            ret.push([winobj, tagobj])
          end
        elsif (tagobj = TkcItem.id2obj(winobj, tag)).kind_of? TkcItem
          if optkey
            ret.push([winobj, tagobj, optkey])
          else
            ret.push([winobj, tagobj])
          end
        else
          if optkey
            ret.push([winobj, tag, optkey])
          else
            ret.push([winobj, tag])
          end
        end
      #elsif winobj.kind_of? TkMenu
      elsif winobj.kind_of?(TkMenu) || winobj.kind_of?(Tk::Menu)
        if optkey
          ret.push([winobj, tag, optkey])
        else
          ret.push([winobj, tag])
        end
      else
        if optkey
          ret.push([win, tag, optkey])
        else
          ret.push([win, tag])
        end
      end
    else
      ret.push(tk_tcl2ruby(key))
    end
  }
  ret
end