int GetWidth() const;
/**
+ Layouts the cell.
+
This method performs two actions:
-# adjusts the cell's width according to the fact that maximal possible
- width is @e w. (this has sense when working with horizontal lines, tables etc.)
+ width is @e w (this has sense when working with horizontal lines, tables etc.)
-# prepares layout (=fill-in m_PosX, m_PosY (and sometimes m_Height) members)
based on actual width @e w