title: How to scale an widget in specified in qt
body: <p>I have divided my main screen in 4 areas as border-layout as center,right,left and bottom. The right, left and bottom areas are small and contain only buttons. My center area has to display the different widgets and forms depending on the buttons pressed in right/left/bottom areas. </p>
  
  <p>Can anybody suggest how I can design my forms or widgets so that when I show the widget in the center area, it will fit into the center area and all the items inside this will be scaled rationally.</p>
  
  <p>Please refer to the attached image file for a better idea.</p>
  
  <p>If my explanation is not clear please let me know I will try better.</p>
  
  <p><img src="https://i.stack.imgur.com/ntFnq.jpg" alt="alt text"></p>