\section{Class Hierarchy} This inheritance list is sorted roughly, but not completely, alphabetically\+:\begin{DoxyCompactList} \item Q\+Main\+Window\begin{DoxyCompactList} \item \contentsline{section}{Drawing\+Window}{\pageref{class_drawing_window}}{} \end{DoxyCompactList} \item Q\+Widget\begin{DoxyCompactList} \item \contentsline{section}{Line}{\pageref{class_line}}{} \item \contentsline{section}{Tessellation}{\pageref{class_tessellation}}{} \end{DoxyCompactList} \end{DoxyCompactList}