Returns the visual rect for the inputed action, or a blank QRect if
        no matching action was found.
        
        :param      action | <QAction>
        
        :return     <QRect>

def visualRect(self, action):
        """
        Returns the visual rect for the inputed action, or a blank QRect if
        no matching action was found.
        
        :param      action | <QAction>
        
        :return     <QRect>
        """
        for widget in self.actionLabels():
            if widget.action() == action:
                return widget.geometry()
        return QRect()