title: Qt designer and draw rectangle on screen
body: <p>Please see the following picture:
  <img src="https://i.stack.imgur.com/4bnK8.png" alt="rectangle"></p>
  
  <p>In above picture, i specefied a <code>rectangle</code>, i need to <code>draw</code> same <code>rectangle</code> in my program with <code>Qt-Designer</code>, But i don't know to use what <code>widget</code>.</p>
  
  <p>Can i use <code>qt designer</code> or i should just use <code>code</code>?</p>
  
  <p><strong>Notes:</strong> I attemp to use <code>QLabel</code> and put <code>---</code> and <code>|</code>  but they don't stick.</p>
  
  <p><strong>My question</strong> is , Which widget can help me?</p>