text: class TextArea():
      def __init__(self):
          self.i=0
          # create a textarea
          self.ta = lv.textarea(lv.scr_act(),None)
          self.ta.set_size(200,100)
          self.ta.align(None,lv.ALIGN.CENTER,0,0)
          self.ta.set_text("A text in a Text Area")
          self.ta.set_event_cb(self.event_handler)
        
      def event_handler(self,source,event):
          if  event == lv.EVENT.VALUE_CHANGED:
              print("i= ",self.i)
              print("Value:",self.ta.get_text())
          elif event == lv.EVENT.LONG_PRESSED_REPEAT:
              # For simple test: Long press the Text are to add the text below
              txt = "\n\nYou can scroll it if the text is long enough.\n\n"
              if self.i < len(txt):
                  self.ta.add_char(ord(txt[self.i]))
                  self.i += 1
         
  TextArea()
  
  