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;;;CheckTimeSignatures
(define-once CheckScore::ignore 0)
(define CheckTimeSignatures::return #f)
(define-once CheckScore::error-position #f)
(let ()
(define position (GetPosition))
(define (check-down timesig)
(define result #f)
(d-PushPosition)
(if (and (d-MoveToStaffDown) (not (d-Directive-voice? "SubstituteMusic")))
(begin
(while (d-NextObjectInMeasure))
(if (not (equal? timesig (d-GetPrevailingTimesig)))
(if (positive? CheckScore::ignore)
(set! CheckScore::ignore (1- CheckScore::ignore))
(begin
(set! result (string-append (_ "Time Signature does not match ") timesig " : " (d-GetPrevailingTimesig)))
(set! CheckScore::error-position (GetPosition)))))))
(d-PopPosition)
result)
(while (d-MoveToStaffUp))
(if (not (d-Directive-layout? "PolymetricStaffs"))
(let outer-loop ((first #t))
(d-MoveToBeginning)
(if (not (d-Directive-voice? "SubstituteMusic"))
(let measure ()
(define result #f)
(while (and (not result) (d-NextObjectInMeasure))
(if (and (Timesignature?) (not (zero? (d-GetStartTick))))
(if (positive? CheckScore::ignore)
(set! CheckScore::ignore (1- CheckScore::ignore))
(begin
(set! result #t)
(set! CheckScore::error-position (GetPosition))
(set! CheckTimeSignatures::return (_ "Time Signature not at start of measure"))))))
(if (not result)
(let ((timesig (d-GetPrevailingTimesig)))
(begin
(set! result (check-down timesig))
(if result
(set! CheckTimeSignatures::return result)
(if (d-MoveToMeasureRight)
(measure))))))))
(if (and (not CheckTimeSignatures::return) (d-MoveToStaffDown))
(outer-loop #f))))
(if (not CheckTimeSignatures::params) ;;; interactive when #f
(begin
(if CheckTimeSignatures::return
(begin
(apply d-GoToPosition CheckScore::error-position)
(d-WarningDialog CheckTimeSignatures::return))
(d-InfoDialog (if (d-Directive-layout? "PolymetricStaffs") (_ "Polymetric Staffs not checked") (_ "No problem detected with time signature changes")))))))
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