title: QToolBox - Expanding multiple items
body: <p>I need to make <code>QToolBox</code> with multiple expanding items/widgets so when user click one time the item expand when click one more time the item collapse, so all of none item can be expanded at same time. Vertical scroolbar can be added if there is not enough space for all items to be expanded.</p>
  
  <p><img src="https://i.stack.imgur.com/X4w12.png" alt="enter image description here"></p>
  
  <p>Anyone have idea/solution how can i accomplish this?</p>