Method: TkTimer#initialize

Defined in:
lib/tk/timer.rb

#initialize(*args, &b) ⇒ TkTimer

Returns a new instance of TkTimer.



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# File 'lib/tk/timer.rb', line 148

def initialize(*args, &b)
  Tk_CBID.mutex.synchronize{
    # @id = Tk_CBID.join('')
    @id = Tk_CBID.join(TkCore::INTERP._ip_id_)
    Tk_CBID[1].succ!
  }

  @wait_var = TkVariable.new(0)

  @at_end_proc = nil

  @cb_cmd = TkCore::INTERP.get_cb_entry(self.method(:do_callback))

  @set_next = true

  @init_sleep = 0
  @init_proc = nil
  @init_args = []

  @current_script = []
  @current_proc = nil
  @current_args = nil
  @return_value = nil

  @sleep_time = 0
  @current_sleep = 0
  @loop_exec = 0
  @do_loop = 0
  @loop_proc = []
  @proc_max = 0
  @current_pos = 0

  @after_id = nil
  @after_script = nil

  @cancel_on_exception = DEFAULT_IGNORE_EXCEPTIONS
  # Unless @cancel_on_exception, Ruby/Tk shows an error dialog box when
  # an exception is raised on TkTimer callback procedure.
  # If @cancel_on_exception is an array of exception classes and the raised
  # exception is included in the array, Ruby/Tk cancels executing TkTimer
  # callback procedures silently (TkTimer#cancel is called and no dialog is
  # shown).

  if b
    case args.size
    when 0
      add_procs(b)
    when 1
      args << -1 << b
    else
      args << b
    end
  end

  set_procs(*args) if args != []

  @running = false
  @in_callback = false
end