Method run

app/src/processing/app/ui/Editor.java:1903–1905

()

  void startTimerEvent() {
    endUndoEvent = new TimerTask() {
      public void run() {
        EventQueue.invokeLater(Editor.this::endTextEditHistory);
      }
    };
    timer.schedule(endUndoEvent, 3000);
    // let the gc eat the cancelled events