Method: TkTimer#do_callback

Defined in:
lib/tk/timer.rb

#do_callback ⇒ Object

instance methods



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# File 'lib/tk/timer.rb', line 70

def do_callback
  @in_callback = true
  @after_id = nil
  begin
    @return_value = @current_proc.call(self)
  rescue SystemExit
    exit(0)
  rescue Interrupt
    exit!(1)
  rescue Exception => e
    if @cancel_on_exception &&
        @cancel_on_exception.find{|exc| e.kind_of?(exc)}
      cancel
      @return_value = e
      @in_callback = false
      return e
    else
      fail e
    end
  end
  if @set_next
    set_next_callback(@current_args)
  else
    @set_next = true
  end
  @in_callback = false
  @return_value
end