Implement a (unique for toolkits?) feature suggested on
<a href="http://holehan.blogspot.com/2006/07/small-steps-to-fittser-kde.html">http://holehan.blogspot.com/2006/07/small-steps-to-fittser-kde.html</a>;

Makes all KStyle styled QLabels an additional clickable area which
sets keyboard focus on the corresponding buddy widget. Behaves exactly
like the given example, including mouse click visualisation using a
focus rect.