title: How to show a menu in a grid - ExtJS 5?
body: <p>I am trying to show a menu in a grid panel. I have a actioncolumn to display an icon and i want apply an effect... when the mouse is over that icon, a menu will be displayed.</p>
  
  <p>How i can do this in extjs 5?</p>
  
  <p>My actioncolumn is this:</p>
  
  <pre><code>{
      xtype: 'actioncolumn',
      width: 70,
      items: [{
      icon: 'resources/images/icons/cog_edit.png', // Use a URL in the icon config
              tooltip: 'Edit',
              handler: function(grid, rowIndex, colIndex, a, b, c) {
  
              }
      }]
  }
  </code></pre>