Method OnDrawReadOnlyColor
OnDrawReadOnlyColor(List<Cell>, int, int)
Sets the Terminal.Gui.ViewBase.View.Driver to an appropriate color for rendering the given idxCol
of the current line. Override to provide custom coloring by calling
SetAttribute(Attribute) Defaults to Focus.
protected virtual void OnDrawReadOnlyColor(List<Cell> line, int idxCol, int idxRow)