2><a href="#Local_Functions">Local Functions</a></h2>
<table class="function_list">
	<tr>
	<td class="name" nowrap><a href="#setup">setup()</a></td>
	<td class="summary">Takes care of initializing the widget layout.</td>
	</tr>
	<tr>
	<td class="name" nowrap><a href="#paint_background">paint_background()</a></td>
	<td class="summary">Called once per update cycle to (re-)draw the entire surface background.</td>
	</tr>
	<tr>
	<td class="name" nowrap><a href="#update">update()</a></td>
	<td class="summary">Cal