Change dataSource and useNonAsciiFont into properties
Make delegate into a property for PTYTextView.
Make smartSelectionRules into a property
Make horizontal and vertical spacing into properties
Make useBoldFont a property
Make useBrightBold into property
Make useItalicFont into property
Make blinkingCursor into a property
Make blinkAllowed into property
Make cursorType into property
Make dimOnlyText into a property
Make defaultFGColor into property
Make backgroundColor into a property
Make boldColor into property
Make selectionColor into a property
Make cursorColor into a property