drawHashMarksAndLabels(in:)

override func drawHashMarksAndLabels(in rect: NSRect)

Draw line numbers and symbols in the ruler of the text view


                          rect

The available rect

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                    drawLineNumber(_:inRect:highlight:warning:directive:)

Draw the number of the line

Swift

func drawLineNumber(_ number: Int, inRect rect: NSRect, highlight: Bool, warning: Bool, directive: ChordPro.Directive)

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