title: How to arrange the items in QGridLayout as shown?
body: <pre><code>------------  ------
  |          |  | 2  |
  |          |  |    |
  |     1    |  ------
  |          |  ------  
  |          |  |  3 |
  ------------  ------
  </code></pre>
  
  <p>How to arrange the <code>QGridLayout</code> like above?</p>
  
  <p>I tried:</p>
  
  <pre><code>QGridLayout *layout = new QGridLayout();
  centralWidget-&gt;setLayout (layout);
  
  layout-&gt;addWidget (objOne, 0, 0);
  layout-&gt;addWidget (objTwo, 0, 1);
  layout-&gt;addWidget (objThree, 1, 1);
  </code></pre>
  
  <p>but failed.</p>