s are met prior to starting the interaction. When the interaction is ready to start, invokes the <a href="#method-_mouseStart"><code>_mouseStart()</code></a> method for the extending widget to handle.
			</div>
<ul><li><div class="null-signature">This method does not accept any arguments.</div></li></ul>
</div></div>
<div id="method-_mouseDrag"><div class="api-item">
<h3>_mouseDrag()</h3>
<div>
				The extending widget should implement a <code>_mouseDrag()</code> method to handle each movement of an interac