(use-modules (srfi srfi-1)) ; List library
(use-modules (srfi srfi-8)) ; Returning and Accepting Multiple Values
(use-modules (srfi srfi-13)) ; String library
(use-modules (ice-9 regex)) ; regular expressions
(use-modules (ice-9 optargs)) ; optional (define* ) arguments
(use-modules (ice-9 q)) ; queue module

;;; for guile 2.0 compatibility define the define-once procedure to work in guile 1.8
(cond-expand
   (guile-2) ; nothing
   (else ; guile < 2.0
    (define-macro (define-once sym exp)
      `(define ,sym
         (if (module-locally-bound? (current-module) ',sym)
             ,sym
             ,exp)))))
             
(define (use-denemo string)
    (load-from-path (string-append string ".scm")))


;(bindtextdomain "denemo" "/usr/local/share/locale") find prefix!!!
(define (_ msg) (gettext msg "denemo"))

;Load additional Denemo functions. These are technically in the same global namespace as functions defined directly in denemo.scm. 
(use-denemo "scheme") ; Standalone functions and general Scheme helpers, not tied to any Denemo C-functions or Scheme functions which are not in the file itself.
(use-denemo "ans") ; Abstract Note System for pitch calculations
(use-denemo "notationmagick") ; Insert and modify, mostly randomized, music. Depends on ans.scm
(use-denemo "abstractionmovement") ; Create an abstract form of the music in Scheme for further analysing. Depends on ans.scm 
(use-denemo "commandlist")  ; Provide scrolling up and down through a list of commands. An extended toggle through multiple states.
(use-denemo "helpsystem") ; An online help system to display text in the second status bar
(use-denemo "selection")  ; Selections, Copy and Paste
(use-denemo "rhythmandmeter") ; Rhythm, Durations, Ticks, Meter, Conversion between Lilypond, Tick and Denemo duration.
(use-denemo "directives") ; Functions to handle the built-in Denemo directives.
(use-denemo "types") ; Denemo type related functions and tests. ("CHORD", "DIRECTIVE" etc.)
(use-denemo "moveandsearch") ; Move the cursor to all kinds of positions, loop through the score to find things.
;(use-denemo "deprecated") ; Old and outdated scripts
(use-denemo "fonts") ; define font utf-8 value
(use-denemo "wysiwyg") ; procedures for performing wysiwyg operations on the print view window
;Denenmo.scm is for functions that 
;; directly influence the Denemo GUI
;; or the keybindings
;; work with Denemo controls
;; are not part of a set currently (Creating a whole new file for just one function will not improve anything)
;; leftovers from the "one big denemo.scm file" time :)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;Needed to see if lyimport / mxml import is called from inside or outside Denemo
(define Denemo #t)

(define DENEMO_WEIGHT_NORMAL "0");CAIRO_FONT_WEIGHT_NORMAL
(define DENEMO_WEIGHT_BOLD "1");CAIRO_FONT_WEIGHT_BOLD
(define DENEMO_SLANT_NORMAL "0");CAIRO_FONT_SLANT_NORMAL
(define DENEMO_SLANT_ITALIC "1");CAIRO_FONT_SLANT_ITALIC
(define DENEMO_SLANT_OBLIQUE "2");CAIRO_FONT_SLANT_OBLIQUE


 
(define DenemoWholeMeasureRestTag "WholeMeasureRest") ;several commands have to coordinate there behavior around whole measure rests, which are not built-in
(define DenemoWholeMeasureRestCommand d-WholeMeasureRest)
(define DenemoWholeMeasureRestParams 'WholeMeasureRest::params)  ;these three must match for this to work.

(define DenemoKeypressActivatedCommand #f) ;;;is true while a keyboard shortcut is invoking a script, unless the script has set it to #f
(define-once DenemoPref_applytoselection #t) ;;other denemo prefs may be needed to enable denemo to be run with scripts from the command line, FIXME is -n ignoring setting prefs?
(define (lyimport::load-file pathname filename)
  (load (string-append DENEMO_ACTIONS_DIR "lyimport.scm"))
  (set! lyimport::pathname pathname) 
  (set! lyimport::filename filename)
  (eval-string (lyimport::import))
  (d-MoveToMovementBeginning))

; GetUniquePairs is a function that takes a list and combines each value with any other, but without duplicates and in order.
;;; (a b c d) -> ab ac ad, bc bd, cd
(define (GetUniquePairs listy)
     (define returnList (list #f)) ; we need a non-empty list to append! to
     (define maxsteps (- (length listy) 1))
     (define (subMap memberA counter)
        (define subList '())
        (define (appendPair memberB)
            (append subList (cons memberA memberB)))
        (map appendPair (list-tail listy (+ 1 counter))));subMap 

     (let loop ((counter 0))
      (if (= counter maxsteps)
        (list-tail returnList 1) ; get rid of the initial #f for the final return value
        (begin (append! returnList (subMap (list-ref listy counter) counter))   (loop (+ counter 1)))))); GetUniquePairs
        
; GetUniquePairsFilterLowest is a GetUniquePairs variant that sorts the list ascending and returns only those items which begin with the lowest value. In musical terms only pitches with the bass-note.
;;; (a b c d) -> ab ac ad           
(define* (GetUniquePairsFilterLowest listy #:optional (minimum min))
    (define lowest (apply minimum listy))
    (define returnList (GetUniquePairs listy)) ; sort the list ascending, so the lowest note/bass-note is the first.
    ;(filter (lambda (x) (if (equal? (car x) lowest) #t #f)) returnList) ; return only those pairs which has lowest value as car
    (filter (lambda (x) (if (or (equal? (car x) lowest) (equal? (cdr x) lowest)) #t #f))  returnList)) ; return only those pairs which has the lowest value as car or cdr.

;Get Lilypond Objects as strings. Currently just manual converting for single cases.
(define (GetContextAsLilypond) ; You will likely need (GetTypeAsLilypond) also. TODO: Create a real function!
"Staff")

(define (GetTypeAsLilypond)   ; You will likely need (GetContextAsLilypond) also. TODO: Replace with real information, derived from Lilypond
(define type (string->symbol (d-GetType)))
    (case type  ; Convert Denemo type to lilypond type
		((LILYDIRECTIVE) (d-DirectiveGet-standalone-grob (d-DirectiveGetForTag-standalone)))
        ((TIMESIG) "TimeSignature") 
        ((CHORD) "NoteHead") ; Rests will be detected as CHORD but it will not work
        ((KEYSIG) "KeySignature")
        ((CLEF) "Clef")
        (else #f)))

; create documentation for a command - this version just prints out basic info
;;DocumentCommand
(define (DocumentCommand name)
  (let ((help (d-GetHelp name)))
    (if (boolean? help)
    (begin
      (set! help (string-append "Help-d-" name))      
      (let ((sym (with-input-from-string help read)))
        (if (defined? sym)
        (set! help (eval sym (current-module)))
        (set! help "No help")
        ))))
    (format #t "~%~%Command ~A~%Tooltip ~A~%Label ~A~%Menu Path ~A~%" name help (d-GetLabel name) (d-GetMenuPath name))))


; Get highest and lowest note as lilypond syntax. Works on Chords and Single Notes.
;; GetNotes returns a string of lily-notes from low to high. Make a list out of them and refer to the first (0) element or last (length -1) one.
;; Returns #f if not a chord or appending
(define (GetLowestNote)
    (if (Note?)
     (list-ref (string-tokenize(d-GetNotes)) 0 )
     #f))

(define (GetHighestNote)
    (if (Note?)
     (list-ref (reverse (string-tokenize(d-GetNotes))) 0)
     #f))

; Get highest and lowest note at or before cursor as lilypond syntax. Works on Chords and Single Notes and in appending position.
;; Returns #f if not a chord, when appending reports chord before cursor
(define (GetLowestAvailableNote)
    (define notes (d-GetNotes))
    (if notes 
     (list-ref (string-tokenize notes) 0 )
     #f))
(define (GetHighestAvailableNote)
    (define notes (d-GetNotes))
    (if notes 
     (list-ref ((reverse string-tokenize notes)) 0 )
     #f))


(define MusicalSymbols-notes (vector Denemo-Note0 Denemo-Note1  Denemo-Note2 Denemo-Note3 Denemo-Note4 Denemo-Note5 Denemo-Note6 Denemo-Note7 Denemo-Note8))
(define MusicalSymbols-sharp "\xe2\x99\xaf") ;;;may need to specify Denemo font for windows
(define MusicalSymbols-flat "\xe2\x99\xad")

(define cue-Advanced (_ "Advanced"))
(define cue-PlaceAbove (_ "Place above staff"))
(define cue-PlaceBelow (_ "Place below staff"))
(define cue-SetRelativeFontSize (_ "Set Relative Font Size"))
(define cue-OffsetPositionAll (_ "Offset Position (All)"))
(define cue-OffsetPositionOne (_ "Offset Position (One)"))
(define cue-EditText (_ "Edit Text"))
(define cue-SetPadding (_ "Set Padding"))
(define cue-Delete (_ "Delete"))
(define cue-Edit (_ "Edit"))
(define cue-RestorePosition (_ "Restore Position")) 
(define cue-NudgePosition (_ "Nudge Position")) 

;(define cue- "")

(define (GetNudge)
    (let ((offsetx "0")(offsety "0"))
            (set! offsetx (d-GetUserInput (_ "Offset Position") (_ "Amount (+/-) to nudge in horizontal direction") offsetx))
            (if offsetx
                (begin
                    (set! offsety (d-GetUserInput (_ "Offset Position") (_ "Amount (+/-) to nudge in vertical direction") offsetx))
                    (if offsety
                        (cons offsetx offsety)
                        #f))
                #f)))

;;;;;;;;;;;;;;;; Double-Stroke for sequencing keypresses. By Nils Gey June 2010
;One parameter for the GUI-version or help window. This is the version that appears if someone clicks on the menu version.
;Ten optional parameters, each a pair with car = Pretty String for fallback-gui, cdr = scheme-command. Give (cons "" False) to skip over one slot.
;gui-version can be #f to generate a gui, or any command to be executed from the menu or if the gui/help is invoked.
(define* (Doublestroke gui-version #:optional (first (cons "" False)) (second (cons "" False)) (third (cons "" False)) (fourth (cons "" False)) (fifth (cons "" False)) (sixth (cons "" False)) (seventh (cons "" False)) (eighth (cons "" False)) (ninth (cons "" False)) (tenth (cons "" False)))
    ;Rebind a wrapper key, check if pair or string
    (define (Bind command parameter)
        (set-cdr! command (cdr parameter)))
            
    ; Short command to invoke the gui which tests if the author specified his own first.
    (define (doublestroke::invokegui)
        (if gui-version
             (gui-version)
             (begin ;FallBack ; create a gui from the given parameters, test for cancel-button #f
                (set! gui-version (apply RadioBoxMenu (delete (cons "" False) 
                    (list first second third fourth fifth sixth seventh eighth ninth tenth 

            ))))
                 (if gui-version 
                    (gui-version) ; execute the returned command
                    #f)))) ; cancel-button, abort the process                   
    
    (define (doublestroke::showhelp lockin?)
        (define helpstring "")
        (define (build parameter numberstring)
            (if (equal? (car parameter) "")
                ""
                (string-append "[" numberstring "]" (car parameter) "  ")))
        (set! helpstring (string-append 
            (if lockin?
                "[Esc]Reset keys  "
                "[Space]Show GUI  [Enter]Lock keys in  ")           
            (build first "1")
            (build second "2")
            (build third "3")
            (build fourth "4")
            (build fifth "5")
            (build sixth "6")
            (build seventh "7")
            (build eighth "8")
            (build ninth "9")
            (build tenth "0")
            (if lockin? "" "[Other]Abort")))
        (if lockin?
            (Help::Push (cons 'doublestroke helpstring))
            (Help::Push (cons 'doublestroketemp helpstring))))
                
    ; The real action. Wait for a keypress and decide what do with it afterwards, UnsetMark triggers the GUI, AddNoteToChord locks-in the commands and makes them permanent keybindings.
    
         (doublestroke::invokegui)) ;  DenemoKeypressActivated has been dropped as it is not working

(define (DenemoAbbreviatedString title)
    (html-escape (if (< (string-length title) 14) title (string-append (substring title 0 10) "..."))))

;;;;;;;;;; SetHeaderField sets a field in the movement header
;;;;;;;;;; the directive created is tagged Score or Movement depending on the field

(define* (SetHeaderField field #:optional (title #f) (escape #t) (movement #f)(extra-space "0")(bold #f)(italic #f)(fontsize #f))
  (let ((current "") (thematch #f) (tag "") (type "") (fieldname "")(data #f))
    (if (or (equal? field "subtitle") (equal? field "subsubtitle") (equal? field "piece"))
     (begin
       (set! type "Movement")
       (if (equal? field "subtitle")
                    (set! fieldname "Title"))
       (if (equal? field "subsubtitle")
                    (set! fieldname "Subtitle"))
             (if (equal? field "piece")
                    (set! fieldname "Piece")))
     (begin
       (set! type "Score")
       (set! fieldname (string-capitalize field))))
     (if movement
        (set! type "Movement"))
    (set! tag (string-append type fieldname)) 
    
    
    (set! current (d-DirectiveGet-header-data tag))
    ;;;old versions have a string, new versions an alist beginning 'right paren ie ' 0x28 in Unicode 50 octal.
    (if (and current (> (string-length current)) (eq? (string-ref current 0) #\') (eq? (string-ref current 1) #\50))
        (begin
            (set! data (eval-string current))
            (set! extra-space (assq-ref data 'extra-space))
            (set! bold (assq-ref data 'bold))
            (set! fontsize (assq-ref data 'fontsize))
            (set! current (assq-ref data 'title)))
        (set! data '()))
    
    (if (not current)
        (set! current (d-DirectiveGet-header-display tag)))
    (if (not current)
            (set! current ""))      
                    
    (if (not title)
            (set! title (d-GetUserInput (string-append type " " fieldname)
                    (string-append "Give a name for the " fieldname " of the " type) current #t)))
  (if (and title fontsize)
    (begin
       (set! bold (RadioBoxMenu (cons (_ "Bold") " ") (cons (_ "Normal") " \\normal-text ")))
       (if (not bold) (set! bold ""))
       (set! italic (RadioBoxMenu  (cons (_ "Upright") "") (cons (_ "Italic") " \\italic ")))
       (if (not italic) (set! italic ""))
       (set! extra-space (d-GetUserInput (string-append "Score " field) 
                        (_ "Extra space above (0):") extra-space #t))
       (if not extra-space (set! extra-space "0"))

       (set! fontsize (d-GetUserInput (_ "Font Magnification") (_ "Give font magnification required (+/-) 0 ") fontsize))
       (if (not fontsize)
            (set! fontsize "0")))
    (begin
        (set! bold "")
        (set! italic "")
        (set! fontsize "0")))
              
    (if title
      (begin
                (d-SetSaved #f)
                (if (string-null? title)
                    (d-DirectiveDelete-header tag)
                    (let ((movement (number->string (d-GetMovement))))
                        (set! data (assq-set! data 'title title))
                        (set! data (assq-set! data 'bold bold))
                        (set! data (assq-set! data 'italic italic))
                        (set! data (assq-set! data 'fontsize fontsize))
                        (set! data (assq-set! data 'extra-space extra-space))
                        (if escape (set! title (scheme-escape title )))
                        (d-DirectivePut-header-override tag (logior DENEMO_OVERRIDE_TAGEDIT DENEMO_OVERRIDE_GRAPHIC))
                        (d-DirectivePut-header-data tag (format #f "'~s" data))
                        
                        (d-DirectivePut-header-display tag (DenemoAbbreviatedString title))
                        (d-DirectivePut-header-postfix tag (string-append field " = \\markup {\\vspace #'" extra-space " \\fontsize #'" fontsize italic bold  " \\with-url #'\"scheme:(d-GoToPosition " movement " 1 1 1)(d-" type fieldname ")\" "  "\"" title "\"}\n")))))
        (disp "Cancelled\n"))))

; SetScoreHeaderField sets a field in the score header
(define* (SetScoreHeaderField field  #:optional (title #f) (escape #t) (full-title #f) (extra-space "0")(bold #f)(italic #f)(fontsize #f))
(let ((current "") (tag "")(data #f))
  (set! tag (string-append "Score" (string-capitalize field)))
  (set! current (d-DirectiveGet-scoreheader-data tag))
      ;;;old versions have a string, new versions an alist beginning 'right paren ie ' 0x28 in Unicode 50 octal.
  (if (and current (> (string-length current)) (eq? (string-ref current 0) #\') (eq? (string-ref current 1) #\50))
        (begin
            (set! data (eval-string current))
            (set! extra-space (assq-ref data 'extra-space))
            (set! bold (assq-ref data 'bold))
            (set! fontsize (assq-ref data 'fontsize))
            (set! current (assq-ref data 'title)))
        (set! data '()))
        
  (if (not current)
        (set! current (d-DirectiveGet-scoreheader-display tag)))
  (if (not current)
      (set! current ""))
  (if (not title)
      (set! title  (d-GetUserInput (string-append "Score " field) 
                  (_ "Give a name applying to the whole score") current #t)))
 
    ;;;if we have a pre-existing title ask about details, if the user hasn't cancelled the title
  (if (and title fontsize)
    (begin
       (set! bold (RadioBoxMenu (cons (_ "Bold") " ") (cons (_ "Normal") " \\normal-text ")))
       (if (not bold) (set! bold ""))
       (set! italic (RadioBoxMenu(cons (_ "Upright") "") (cons (_ "Italic") " \\italic ")))
       (if (not italic) (set! italic ""))
       (set! extra-space (d-GetUserInput (string-append "Score " field) 
                        (_ "Extra space above (0):") extra-space #t))
       (if not extra-space (set! extra-space "0"))
       (set! fontsize (d-GetUserInput (_ "Font Magnification") (_ "Give font magnification required (+/-) 0 ") fontsize))
       (if (not fontsize)
            (set! fontsize "0")))
    (begin
        (set! bold "")
        (set! italic "")
        (set! fontsize "0")))
     
  (if title
    (begin
      (d-SetSaved #f)      
            (if escape (set! title (scheme-escape title )))
            (if (string-null? title)
                    (d-DirectivePut-scoreheader-override tag 0)
                    (begin
                            (set! data (assq-set! data 'title title))
                            (set! data (assq-set! data 'bold bold))
                            (set! data (assq-set! data 'italic italic))
                            (set! data (assq-set! data 'fontsize fontsize))
                            (set! data (assq-set! data 'extra-space extra-space))

                            (d-DirectivePut-scoreheader-override tag (logior DENEMO_OVERRIDE_TAGEDIT DENEMO_OVERRIDE_GRAPHIC))
                            (d-DirectivePut-scoreheader-data tag (format #f "'~s" data))
                            (d-DirectivePut-scoreheader-display tag (DenemoAbbreviatedString title))))
            (if (not full-title)
                (set! full-title (string-append " \\markup {\\vspace #'" extra-space " \\fontsize #'" fontsize italic bold " \\with-url #'\"scheme:(d-" tag ")\"  "  "\"" title "\"}\n")))
            (d-DirectivePut-scoreheader-postfix tag (string-append field " = " full-title "\n"))))))

(define (CreateButton tag label)
  (d-DirectivePut-score-override tag (logior DENEMO_OVERRIDE_MARKUP DENEMO_OVERRIDE_GRAPHIC))
  (d-DirectivePut-score-display tag label))


;;; play a note a mid-volume 80
(define* (PlayNote pitch duration #:optional (volume " 80"))
 (d-OutputMidiBytes (string-append "0x9$ " pitch " " volume))
 (d-OneShotTimer duration (string-append "(d-OutputMidiBytes " "\"" "0x8$ " pitch " 0" "\"" ")" )))

(define (DenemoFirst)
  (begin
    (display "DenemoFirst")))

(define (DenemoGoBack)
  (begin
    (d-AdjustPlaybackStart -1.0)
    (d-RefreshDisplay)))

(define (DenemoPrevious)
  (begin
    (d-AdjustPlaybackEnd -1.0)
    (d-RefreshDisplay)))

(define (DenemoRewind)
  (begin
    (display "DenemoRewind")))

(define (DenemoStop)
  (begin
    (set! Playback::Loop #f)
    (d-Stop)))

(define (DefaultDenemoPlay)
   (d-Play "(display \"Here endeth a scripted playback\")"))
(define (DenemoPlay)
	(DefaultDenemoPlay))
;;; DenemoPlay
(define-once DenemoPlay::Pause #f)
(define (DenemoPlay::scroll)
   (define (GetMeasureDuration)
		(let ((end #f)(start (d-GetTimeAtCursor))(obj (d-GetHorizontalPosition)))	
		 
		 (if (d-MoveToMeasureRight)
				(begin
					(set! end (d-GetTimeAtCursor))
					(d-MoveToMeasureLeft)
					(while (and (not (eq? (d-GetHorizontalPosition) obj)) (d-MoveCursorRight))))
				(set! end start))
			(- end start)))
	(define thetime (inexact->exact (round (* 1000 (GetMeasureDuration)))))
	(if (and (d-AudioIsPlaying) (not DenemoPlay::Pause))
		(d-OneShotTimer thetime "(d-MoveToMeasureRight) (d-ScrollRight) (DenemoPlay::scroll)")))
		
(define (DenemoPlayScroll)
	(if (d-AudioIsPlaying)
		(begin
			(set! DenemoPlay::Pause #t)
			(d-Play "(display \"paused scroll play\")"))
		(begin
			(d-CreateTimebase)
			;;move cursor to playback start
			(let ((on (d-AdjustPlaybackStart 0.0)))
				(while (and (< (d-GetMidiOnTime) on) (d-MoveToMeasureRight)))
				(while (and (> (d-GetMidiOnTime) on) (d-MoveToMeasureLeft)))
				(while (and (< (d-GetMidiOnTime) on) (d-MoveCursorRight))))
			(d-Play "(disp \"End of scrolled play\")")
			(set! DenemoPlay::Pause #f)
			(d-OneShotTimer 50 "(DenemoPlay::scroll)"))))

;Scripted start stop - use on Windows.
(define-once DenemoPaused? #f)
(define-once DenemoPauseTime 0) ;time to start playing at when un-pausing
(define-once DenemoPlayTime #f) ;time to start playing at when re-starting from beginning
(define (DenemoAltPlay) 
	(define playhead (d-AudioIsPlaying))
	(if DenemoPaused?
		(begin
			(set! DenemoPaused? #f)
			(if (not DenemoPlayTime)
				(set! DenemoPlayTime (d-AdjustPlaybackStart 0.0)))
			(d-SetPlaybackInterval DenemoPauseTime #f)
			(d-Play "(disp \"Stopped play after pause\")(d-SetPlaybackInterval DenemoPauseTime #f)"))
		(begin
				(if playhead 
					(begin ;pressing play while playing and not paused => pause
						(d-Stop)
						(if (not DenemoPlayTime)
							(set! DenemoPlayTime (d-AdjustPlaybackStart 0.0)))
						(set! DenemoPauseTime playhead)
						  (d-SetPlaybackInterval DenemoPauseTime #f)
						(set! DenemoPaused? #t))
					(begin ;;pressing play when not playing
						(if (not DenemoPaused?)
							(begin
								(set! DenemoPlayTime (d-AdjustPlaybackStart 0.0))
								(d-Play "(disp \"Finished play from playback start\"  DenemoPlayTime  DenemoPaused?  DenemoPauseTime\"\\n\\n\"      )"))))))))
	
(define (DenemoAltStop)
	(if (not DenemoPlayTime)
		(set! DenemoPlayTime (d-AdjustPlaybackStart 0.0)))
   (d-SetPlaybackInterval DenemoPlayTime #f)
	(if DenemoPaused?
			(set! DenemoPaused? #f)
		(begin
			(set! Playback::Loop #f)
			(d-Stop))))


(define (DenemoPause)
  (begin
    (display "DenemoPause")))

(define (DenemoGoForward)
  (begin
    (d-AdjustPlaybackEnd 1.0)
    (d-RefreshDisplay)))

(define (DenemoNext)
  (begin
    (d-AdjustPlaybackStart 1.0)
    (d-RefreshDisplay)))

(define (DenemoForward)
  (begin
    (display "DenemoForward")))

(define (DenemoLast)
  (begin
    (display "DenemoLast")))

(define Playback::Loop #f)
(define (DenemoLoop)
  (begin
    (display "DenemoLoop")
    (set! Playback::Loop #t)
    (d-Play "(if Playback::Loop (DenemoLoop))")))

(define DenemoTempo::Value 1.0)
(define (DenemoTempo)
  (begin
    (d-MasterTempo DenemoTempo::Value)))

(define DenemoVolume::Value 1.0)
(define (DenemoVolume)
  (begin
    (d-MasterVolume DenemoVolume::Value)))

(define DenemoPutMidi d-PutMidi) ;;hook for intercepting MIDI filter output
    
(define (DenemoSetPlaybackStart)
    (d-Stop)
    (d-RecreateTimebase)
    (let ((start (d-GetMidiOnTime)))
        (if (not start)
            (begin
                (d-PushPosition)
                (while (and (eqv? 0 (d-GetDurationInTicks))
                        (d-NextObject)))
                (set! start (d-GetMidiOnTime))
                (d-PopPosition)))
        (if start
            (begin
                (d-SetPlaybackInterval start #t)
                (d-RefreshDisplay)))
        start))

(define (DenemoSetPlaybackEnd)
  (d-Stop)
  (d-RecreateTimebase)
  (let ((stop (d-GetMidiOffTime)))
    (if (not stop)
        (begin
            ;;(if (not (Appending?))
            (d-PushPosition)
            (while (and (d-PrevObject)
                            (zero? (d-GetDurationInTicks))))   ;)
            (while (and (eqv? 0 (d-GetDurationInTicks)) (d-NextObject)))
            (set! stop (d-GetMidiOffTime))
            (d-PopPosition)))
    (if (and stop (> stop 0))
        (begin
            (d-SetPlaybackInterval #t stop)
            (d-RefreshDisplay)))
    stop))
    
(define (DenemoSetPlaybackIntervalToSelection)
  (begin
    (d-Stop)
    (let ((start #f)(end #f))
      (set! end (d-GetMidiOffTime))
      (if (boolean? end)
      (d-RecreateTimebase))
      (set! end (d-GetMidiOffTime))
      (if (boolean? end)
      (d-WarningDialog (_ "End the selection at a note"))
      (begin
        (d-GoToMark)
        (set! start (d-GetMidiOnTime))
        (if (boolean? start)
        (d-WarningDialog (_ "Start the selection at a note"))
        (begin
          (if (< end start)
              (d-SetPlaybackInterval end start)
              (d-SetPlaybackInterval start end))
          (d-RefreshDisplay))))))))

;;;
(define (CurrentMeasureOnTime)
  (define ontime #f)
  (d-PushPosition)
  (while (d-MoveToStaffUp))
  (let staffloop ()
    (while (d-PrevObjectInMeasure))
    (let loop ((this (d-GetMidiOnTime)))
      (if this
    (if ontime
      (if (< this ontime)
        (set! ontime this))
      (set! ontime this))
    (if (d-NextObjectInMeasure)
      (loop (d-GetMidiOnTime)))))
    (if (d-MoveToStaffDown)
    (staffloop)))
  (d-PopPosition)
  ontime)
  
(define (CurrentMeasureOffTime)
  (define offtime #f)
  (d-PushPosition)
  (while (d-MoveToStaffUp))
  (let staffloop ()
  (while (d-NextObjectInMeasure))
  (let loop ((this (d-GetMidiOffTime)))
    (if this
      (if offtime
    (if (> this offtime)
      (set! offtime this))
      (set! offtime this))
    (if (d-PrevObjectInMeasure)
      (loop (d-GetMidiOffTime)))))
    (if (d-MoveToStaffDown)
    (staffloop)))
  (d-PopPosition)
  offtime)
  
;;(define DenemoClickTrack ... this is defined to be DENEMO_CLICK_TRACK_NAME in C, the value is "Click"

;RemoveClickTracks from all movements
(define (RemoveClickTracks)
	(ForAllMovements "(d-GoToPosition #f 1 1 1)(if (d-Directive-clef? DenemoClickTrack) (d-DeleteStaff))"))

;;;
(define d-GetOnsetTime d-GetMidiOnTime)  ;;;was a duplicate, not used by Denemo
; DenemoConvert
(define (DenemoConvert)
    (define MidiNoteStarts (make-vector 256 #f))
    (defstruct Note name start duration)
    (define Notes '())
    (if (d-RewindRecordedMidi)
        (let loop ((note #f)(tick 0))
          (set! note (d-GetRecordedMidiNote)) ;(disp "note is " note "\n")
          (if note
              (begin
                (set! tick (d-GetRecordedMidiOnTick)) ;(disp "tick is " tick "\n")
                (if (< tick 0) ;;; note OFF
                    (let ((on (vector-ref MidiNoteStarts note)))
                      (if on
                          (begin 
                            (set! Notes (cons (list (make-Note 'name note 'start on 'duration (- (- tick) on))) Notes))
                            (vector-set! MidiNoteStarts note #f)    
                            (loop note tick))
                          (disp "An off with no On\n")))
                    (let ((on (vector-ref MidiNoteStarts note))) ;;;note ON
                      (if on
                          (disp "An on when already on\n")
                          (begin
                            (vector-set! MidiNoteStarts note tick)
                            (loop note tick))))))
              (begin         ;;;;;; finished processing the notes
                (if (> (length Notes) 0)
                        (let ()
                            (define (add-note note)
                              (if (Note? note)
                                  (begin
                                    (eval-string (string-append "(d-InsertNoteInChord \"" (d-GetNoteForMidiKey (Note.name note)) "\")")))
                                  (disp "\tNo note to add note ~a ~a to\n" (Note.name note) (Note.duration note))))
                            (define (insert-note name dur)
                              (let ((base (duration::GuessBaseNoteInTicks dur)))
                                (format #t "have ~a ~a \n" base dur)
                                (if base
                                    (begin
                                      (if (> (- dur base) (- (* 2 base) dur))
                                      (set! base (* base 2)))
                                      (begin 
                                    ;(format #t "Create note ~a ~a\n"  (d-GetNoteForMidiKey name)   (duration::ticks->denemo base))
                                    (eval-string (string-append  "(d-Insert" (duration::ticks->denemo base)")"))
                                    (d-PutNoteName (d-GetNoteForMidiKey name)))))))
                                    
                            (set! Notes (reverse Notes))
                            ;;;;;; change the list of Notes into a list of chords
                            (let loop ((index 0))
                                ;;;;;;;;;;; overlap decides if two notes should be a chord   
                              (define (overlap n1 n2)
                                (if (list? n1)
                                    (set! n1 (car n1)))
                                (< (abs (- (Note.start n1) (Note.start n2))) 50))
                                ;;;;;;;;;;;;;;;;;; end of overlap
                              
                                    ;(format #t "Number of notes ~a\n" index)         
                              (let ((note1 (list-ref Notes index))(note2 #f))
                                (if (> (length Notes) (+ 1 index))
                                    (begin
                                      (set! note2 (list-ref Notes (+ 1 index)))
                                      (if (overlap note1 (car note2))
                                      (begin
                                        (list-set! Notes index (cons (car note2) note1))
                                        (set! Notes (delq note2 Notes)))
                                      (begin
                                        ;(list-set! Notes index (list note1))
                                        (set! index (+ index 1))))
                                      (loop index))))) ;;;;;;; end of changing Notes to list of chords


                            ;;;loop through the chords, getting a good duration value, the duration from one to the next and inserting
                            (let loop ((index 0))
                              (if (> (length Notes) (+ 1 index))
                              (let ((chord1 (list-ref Notes index))
                                    (chord2 #f)
                                    (duration #f))
                                (if (> (length Notes) (+ 1 index))
                                    (begin
                                        (set! chord2 (list-ref Notes (+ 1 index)))
                                        (set! duration (- (Note.start (car chord2)) (Note.start (car chord1))))
                                        (format #t "With duration ~a\n" duration)
                                        (insert-note (Note.name (car chord1)) duration)
                                        (for-each  add-note (cdr chord1))
                                        (set! index (+ index 1))
                                        (loop index))
                                    (insert-note (Note.name (car chord1)) (Note.duration (car chord1)))))))
                        
                            (format #t "End of processing\n"))))));;;;;if rewind succeeded
            (format #t "No notes found in recording\n")))



;;;;;;;;;;;;;;;;;;;;;;;;
(define (DenemoHasBookTitles)
 (d-LilyPondInclude (cons 'query "book-titling.ily"))
    (if (not LilyPondInclude::return)
        (d-LilyPondInclude (cons 'query "simplified-book-titling.ily")))
  LilyPondInclude::return)
(define (DenemoUseBookTitles)
         (d-LilyPondInclude "simplified-book-titling.ily"))
(define (DenemoHideBookTitles)
    (d-LilyPondInclude (cons 'delete "book-titling.ily"))
    (d-LilyPondInclude (cons 'delete "simplified-book-titling.ily")))
(define (DenemoPrintAllHeaders)
  (if (DenemoHasBookTitles)
    (begin
      (d-WarningDialog (_ "You had book titles for this score. These are being dropped. To re-instate them, re-set the title as a book title."))
      (DenemoHideBookTitles)))
  (d-DirectivePut-paper-postfix "PrintAllHeaders" "\nprint-all-headers = ##t\n"))
     
(define* (SetQuarterCommaMeanTone #:optional (thestep 0))
  (let ((C     "67 ")
    (C#    "43 ")
    (Db    "84 ")
    (D     "60 ")
    (D#    "36 ")
    (Eb    "78 ")
    (E     "53 ")
    (E#    "29 ")
    (F     "71 ")
    (F#    "46 ")
    (Gb    "88 ")
    (G     "64 ")
    (G#    "40 ")
    (Ab    "81 ")
    (A     "57 ")
    (A#    "32 ")
    (Bb    "74 ")
    (B     "50 ")
    (Cb    "91 ")
    (B#     "26 "))
      
    (cond ((= thestep 0) 
                    ;Eb-G#
          (d-OutputMidiBytes (string-append "0xf0 0x7f 0x7f 0x08 0x08   0x03 0x7f 0x7f " C C# D Eb E F F# G G# A Bb B " 0xf7")))
         ((= thestep 1) 
                    ;D#-Bb
          (d-OutputMidiBytes (string-append "0xf0 0x7f 0x7f 0x08 0x08   0x03 0x7f 0x7f " C C# D D# E F F# G G# A Bb B " 0xf7")))    
         ((= thestep 2) 
         ;A#-F
          (d-OutputMidiBytes (string-append "0xf0 0x7f 0x7f 0x08 0x08   0x03 0x7f 0x7f " C C# D D# E F F# G G# A A# B " 0xf7")))
         ((= thestep 3) 
                    ;E#-C
          (d-OutputMidiBytes (string-append "0xf0 0x7f 0x7f 0x08 0x08   0x03 0x7f 0x7f " C C# D D# E E# F# G G# A A# B " 0xf7")))
         ((= thestep 4) 
                    ;B#-G
          (d-OutputMidiBytes (string-append "0xf0 0x7f 0x7f 0x08 0x08   0x03 0x7f 0x7f " B# C# D D# E E# F# G G# A A# B " 0xf7")))
         ((= thestep -1) 
                    ;Ab-C#
          (d-OutputMidiBytes (string-append "0xf0 0x7f 0x7f 0x08 0x08   0x03 0x7f 0x7f " C C# D Eb E F F# G Ab A Bb B " 0xf7")))
         ((= thestep -2) 
                    ;Db-F#
          (d-OutputMidiBytes (string-append "0xf0 0x7f 0x7f 0x08 0x08   0x03 0x7f 0x7f " C Db D Eb E F F# G Ab A Bb B " 0xf7")))
         ((= thestep -3) 
                    ;Gb-B
          (d-OutputMidiBytes (string-append "0xf0 0x7f 0x7f 0x08 0x08   0x03 0x7f 0x7f " C Db D Eb E F Gb G Ab A Bb B " 0xf7")))
         ((= thestep -4) 
                    ;Cb-E
          (d-OutputMidiBytes (string-append "0xf0 0x7f 0x7f 0x08 0x08   0x03 0x7f 0x7f " C Db D Eb E F Gb G Ab A Bb Cb " 0xf7"))))))
   
(define MIDI-shortcuts::alist '(("" . "")))
(define (SetMidiShortcut shortcut command)
    (set! MIDI-shortcuts::alist (assoc-set! MIDI-shortcuts::alist shortcut command)))

(SetMidiShortcut "FootpedalUp" #f);;;set these to a command name, e.g. InsertA for the action (d-InsertA) 
(SetMidiShortcut "FootpedalDown" #f)

(define (MIDI-shortcut::controller type value)
;;(format #t "controller type ~a value ~a\n" type value)
  (cond ((and (equal? type 64) (equal? value 127))
          (assoc-ref MIDI-shortcuts::alist "FootpedalDown"))
        ((and (equal? type 64) (equal? value 0))
          (assoc-ref MIDI-shortcuts::alist "FootpedalUp"))

        ((equal? type 1)
     (let ((thestep  (round(/ (- value 64) 16))))
       (PlayNote  
        (number->string  (+ 60 (* 4 thestep) ))
        100)
     (SetQuarterCommaMeanTone thestep)
     (d-SetEnharmonicPosition thestep)
     (d-RefreshDisplay)
         #f)
        )
      (else #f)))

(define Pitchbend::commandUp #f)
(define Pitchbend::commandDown #f)
(define  Pitchbend::timer 0)
(define (MIDI-shortcut::pitchbend value)
  ;(format #t "pitch bend value ~a\n" value)
  (cond ((> value 64)   
     (if  Pitchbend::commandUp
      (eval-string Pitchbend::commandUp)))
         ((< value 64)  
      (if  Pitchbend::commandDown
      (eval-string Pitchbend::commandDown)))))
                      
; Create a music-object that holds various information. This is the smallest, single object 
(defstruct musobj pitch movement staff measure horizontal metricalp start duration baseduration dots)

; Actually create the music-object. In this process various information are collected.
;;(define testob (CreateMusObj))  (set!musobj.duration testob 256)  (display (musobj.start testob))
(define (CreateMusObj)
  (if (MeasureEmpty?)
    ; Measure emtpy, create whole measure rest musobj
    (make-musobj 'pitch (list +inf.0)
                 'movement (d-GetMovement)
                 'staff (d-GetStaff)
                 'measure (d-GetMeasure)
                 'horizontal (d-GetHorizontalPosition)
                 'metricalp 1
                 'start 0
                 'duration (duration::GetWholeMeasureInTicks)
                 'baseduration (duration::GetWholeMeasureInTicks)
                 'dots 0         
                 )  
    ; Measure not emtpy
    (make-musobj 'pitch (ANS::GetChordNotes) 
                 'movement (d-GetMovement)
                 'staff (d-GetStaff)
                 'measure (d-GetMeasure)
                 'horizontal (d-GetHorizontalPosition)
                 'metricalp (duration::GetMetricalPosition)
                 'start (d-GetStartTick)
                 'duration (d-GetDurationInTicks)
                 'baseduration (d-GetBaseDurationInTicks)
                 'dots (d-GetDots)               
                 )))                    

(define (CreateMusObjCursorNote)        
        (define note(GetNoteUnderCursorAsLilypond))
        (define return (CreateMusObj))
        (if note
            (begin  (set!musobj.pitch return (list (ANS::Ly2Ans (string->symbol note))))
            return)
            #f))

;Find the lowest pitch from the parameters, which are musobj.           
(define (MusObj::minPitch . objects)
     (reduce 
        (lambda (x y)
            (if (< (car (musobj.pitch x))  (car (musobj.pitch y)))
                 x
                 y))
        #f
        objects))

;Find the highest pitch from the parameters, which are musobj.      
(define (MusObj::maxPitch . objects)
     (reduce 
        (lambda (x y)
            (if (> (car (musobj.pitch x))  (car (musobj.pitch y)))
                 x
                 y))
        #f
        objects))
                
;Converts two MusObjs to an interval numbe (ans syntax. steps in the pillar of 5th)
(define (MusObj::GetInterval one two)
    (ANS::GetInterval (car (musobj.pitch one)) (car (musobj.pitch two))))           

(define (MusbObj::MoveTo musobj)
    (d-GoToPosition (musobj.movement musobj) (musobj.staff musobj) (musobj.measure musobj) (musobj.horizontal musobj)))     

(define (DefaultInitializePrint) (d-Info "Starting to print"))
(define (DefaultFinalizePrint) (d-Info "Finished print"))

(define (DefaultInitializePlayback) (d-Info "Starting to playback"))
(define (DefaultFinalizePlayback) (d-Info "Finished playback"))

(define (DefaultInitializeMidiGeneration) (d-Info "Starting to generate MIDI"))
(define (DefaultFinalizeMidiGeneration) (d-Info "Finished MIDI generation"))

(define (DefaultInitializeTypesetting) (d-Info "Starting to generate LilyPond"))
(define (DefaultFinalizeTypesetting) (d-Info "Finished generating LilyPond"))


(define (InitializePrint) (DefaultInitializePrint))
(define (FinalizePrint) (DefaultFinalizePrint))

(define (InitializePlayback) (DefaultInitializePlayback))
(define (FinalizePlayback) (DefaultFinalizePlayback))

(define (InitializeMidiGeneration) (DefaultInitializeMidiGeneration))
(define (FinalizeMidiGeneration) (DefaultFinalizeMidiGeneration))

(define (InitializeTypesetting) (DefaultInitializeTypesetting))
(define (FinalizeTypesetting) (DefaultFinalizeTypesetting))

  
;Aliases for Breve and Longa to use with Denemo numbers for durations.
(define (d-3072) (d-Breve))
(define (d-6411) (d-Longa))
(define (d--3072) (d-Breve))
(define (d--6411) (d-Longa))
(define (d-Insert3072) (d-InsertBreve))
(define (d-Insert6411) (d-InsertLonga))
(define (d-Insert-3072) (d-InsertBreve))
(define (d-Insert-6411) (d-InsertLonga))
(define (d-Set3072) (d-SetBreve))
(define (d-Set6411) (d-SetLonga))
(define (d-Set-3072) (d-SetBreve))
(define (d-Set-6411) (d-SetLonga))
(define (d-Change3072) (d-ChangeBreve))
(define (d-Change6411) (d-ChangeLonga))
(define (d-Change-3072) (d-ChangeBreve))
(define (d-Change-6411) (d-ChangeLonga))

(define-once Snippet::Breve 0)
(define-once Snippet::Longa 0)
(define-once Snippet::Maxima 0)



;Insert a no-pitch note of the prevailing duration.
(define (d-Enter) (eval-string (string-append "(d-" (number->string (abs (d-GetPrevailingDuration))) ")" )))


;RadioBoxMenu is a Radio-Box list where you have a pretty name and a data type.
;;takes any number of pairs as parameters, car is a string to show as radio-option, cdr is a return value and can be any data type, for example a function.
;;or any number of strings - returns the string chosen or #f
;;RadioBoxList takes a list of the parameter types as above, returns chosen value or #f        
(define (RadioBoxMenuList  parameters)
    (define answer #f)
    (define radiostring #f)
    (if (string? (car parameters))
        (set! radiostring (string-append (string-join parameters stop) stop))
        (set! radiostring (string-append (string-join (map (lambda (x) (car x)) parameters) stop) stop)))
    (set! answer (d-GetOption radiostring))
    (if answer
        (if (string? (car parameters))
             answer
             (cdr (list-ref  parameters (list-index (lambda (x) (equal?  answer (car x))) parameters))))
        #f))        
(define (RadioBoxMenu . parameters)
    (RadioBoxMenuList parameters))
    
(define (RadioBoxMenuPairs . parameters)
    (define answer #f)
    (define radiostring (string-append (string-join (map (lambda (x) (car x)) parameters) stop) stop))
    (set! answer (d-GetOption radiostring))
    (if answer
        (list-ref  parameters (list-index (lambda (x) (equal?  answer (car x))) parameters))
        #f))         
    

(define (TitledRadioBoxMenuList title parameters)
   (define answer #f)
    (define radiostring #f)
    (if (string? (car parameters))
        (set! radiostring (string-append (string-join parameters stop) stop))
        (set! radiostring (string-append (string-join (map (lambda (x) (car x)) parameters) stop) stop)))
    (set! answer (d-GetOption radiostring title))
    (if answer
        (if (string? (car parameters))
             answer
             (cdr (list-ref  parameters (list-index (lambda (x) (equal?  answer (car x))) parameters))))
        #f))   


;Protofunction for all transpose and shift related commands
;; Get all notes on cursor position and create a list with new values which then exchanges the current notes on cursor position
(define (ShiftProto method)
    (if (Note?) 
        (ANS::ChangeChordNotes (map method (ANS::GetChordNotes)))
        #f)) ; not a note/chord 

;Give the name of the Lilypond note on the current vertical cursor position.
;;It doesn't matter if an object is present or not.
(define (GetCursorNoteAsLilypond)
    (define midioctave (+ -4 (quotient (d-GetCursorNoteAsMidi) 12)))
    (define basenote (d-GetCursorNote))
    (define octavemod "")
    (set! octavemod 
        (if (negative? midioctave)
            (make-string (abs midioctave)  #\,) 
            (make-string midioctave  #\'))) 
    (string-append basenote octavemod))
    
(define (GetNoteUnderCursorAsLilypond)
    (if (Note?)
        (let ()
            (define current (GetCursorNoteAsLilypond))
            (if (any (lambda (x) (equal? x current)) (string-tokenize (d-GetNotes)))
             current
             #f))
         #f))
 
;Remember the users choice of an interval in this global var
(define GlobalRememberInterval "p5")

;A user dialog to ask for an interval. 
;;User has two different options: insert an interval like m2 or p5 directly or give two notes.
;;Return value is a number for the ANS pillar of 5th.
(define (AskForInterval)
    (define interval (d-GetUserInput (_"Please enter a transpose interval") (_ "Please enter a transpose interval or two notes in Lilypond syntax.\n\nExample: m2 minor second, M2 major second, p5 fifth, T tritone.\nOr:  c' e' for a major third.") GlobalRememberInterval))
    (set! GlobalRememberInterval interval)
    (if (ANS::IntervalGetSteps (string->symbol interval))
        (ANS::IntervalGetSteps (string->symbol interval))
        (let ()
            (define listy (map (lambda (x) (ANS::Ly2Ans (string->symbol x))) (string-tokenize interval)))
            (apply ANS::GetInterval listy))))

(define (ChangeToRest)
;TODO: (d-RemoveNoteFromChord) always returns #f so we have to use (d-GetNotes) as test until this gets fixed
    (if (Music?)
        (RepeatProcWhileTest d-RemoveNoteFromChord d-GetNotes)
        #f))
        
;Insert an object that just takes space and ticks in the denemo display and playback. No lilypond meaning.
;;It emulates the note-entry behaviour: A step right afterwards and creates new measures if necessary or continues in empty measures.
;;This is the basis for things like multi measure rests, longa, breve and other "Scheme Music Objects".
(define* (InsertNullObject ticks #:optional (tag (number->string (random 1000))))   
    (if (and (Appending?) (MeasureFillStatus)) ; is the current measure already full and are we in the appending position? if not just insert the object.
        (let ()
            (define next (ProbeNextMeasure d-GetType)) 
            (cond 
                ((equal? #f next) (d-SplitMeasure))
                ((string=? next "None") (d-MoveToMeasureRight))))) ; next measure is empty
    (d-DirectivePut-standalone tag)
    (d-DirectivePut-standalone-minpixels tag (/ ticks 12))
    (d-SetDurationInTicks ticks)
    (d-MoveCursorRight))


;;; Insert a directive that puts a comment in the LilyPond text showing where the source material for this part of the music is
;;; The tag name is a command to open the file containing that source
(define (InsertLink filepos)
  (d-Directive-standalone  "DenemoLink")
  (d-DirectivePut-standalone-postfix "DenemoLink" (string-append "%" filepos "\n"))
  (d-DirectivePut-standalone-data "DenemoLink" filepos)
  (d-DirectivePut-standalone-minpixels "DenemoLink" 30)
  (d-DirectivePut-standalone-graphic "DenemoLink" "\n⬁\ndenemo\n24")
  (d-DirectivePut-standalone-gy "DenemoLink" 10)
  (d-MoveCursorRight)
  (d-RefreshDisplay))
  

;;; The routine called by the DenemoLink command to follow the link
(define (DenemoFollowLink)
  (let ((link (d-DirectiveGet-standalone-data "DenemoLink")))
    (if (not link)
        (begin
            (set! link (d-DirectiveGet-standalone-postfix "DenemoLink"))
                (if link
                    (set! link (string-trim-both link   (lambda (c)(or (eqv? c #\{) (eqv? c #\%))))))))
        (if link
            (d-OpenSource link))))

;;;; Routines for audio annotation
(define (DenemoAudioAnnotation timing)
  (define (set-tempo)
    (if (d-MeasureLeft)
      (let ((last-timing (string->number (d-DirectiveGet-standalone-display "Timing"))))
    (if last-timing
      (let ((diff (- timing last-timing)))
        (set! diff (floor (* (/ (/ (duration::GetWholeMeasureInTicks) 384) diff) 60)))
        (d-DirectivePut-standalone-override "Timing" (logior DENEMO_OVERRIDE_TEMPO DENEMO_OVERRIDE_STEP))
        (d-DirectivePut-standalone-graphic "Timing" (string-append "\n𝅘𝅥 = " (number->string diff) " \ndenemo\n24"))
        (d-DirectivePut-standalone-gy  "Timing" -40)
        (d-DirectivePut-standalone-display "Timing" "")
        (d-DirectivePut-standalone-midibytes "Timing" (number->string diff))))
    (d-MeasureRight))))
        
    (disp "timing " timing "\n")
    (if timing
    (begin
      (set-tempo)
      (d-DirectivePut-standalone-display "Timing" (number->string timing))
      (if (zero? (GetMeasureTicks))
    (d-WholeMeasureRest))
      (if (not (d-MeasureRight))
    (begin
      (d-AppendMeasureAllStaffs)
      (d-MeasureRight))))))


(define (DenemoAudioAnnotate)
    (DenemoAudioAnnotation  (d-NextAudioTiming)))
;;;; Updates a standalone directive at the cursor if it is marked as DYNAMIC. Updating is by running the tag with parameter 'recalculate
(define (UpdateStandaloneDirective)
   (define tag (d-DirectiveGetTag-standalone))
    (if tag 
        (let ((override
        (d-DirectiveGet-standalone-override tag)))
        (if (not (zero? (logand override DENEMO_OVERRIDE_DYNAMIC)))
            (eval-string (string-append "(d-" tag " 'recalculate)"))))))
;;;;;;
(define* (GetEditOption #:optional (title (_ "Select from List (or Cancel)")))
    (define  choice (d-GetOption  (string-append cue-Edit stop  cue-Delete stop cue-Advanced stop) title))
   (cond
     ((boolean? choice)
      'cancel)
     ((equal? choice  cue-Advanced)
      'advanced)
     ((equal? choice cue-Delete)
      'delete)
     ((equal? choice cue-Edit)
      'edit)))

;;;;
(define (MidiInput?) (= (d-GetInputSource) DENEMO_INPUTMIDI))
(define (AudioInput?) (= (d-GetInputSource) DENEMO_INPUTAUDIO))
(define (KeyboardInput?) (= (d-GetInputSource) DENEMO_INPUTKEYBOARD))

;;;;;
(define* (StandaloneText tag text #:optional (direction "-") (italic "\\italic ") (bold "\\bold "))
    ;;;(set! tag (string-append tag "\n" text)) not needed, and with accented characters can cause illegal chars sent to pango_layout_set_text
    (d-Directive-standalone tag)
    (d-DirectivePut-standalone-prefix tag "<>")
    (d-DirectivePut-standalone-postfix tag (string-append direction "\\markup " italic bold "{\"" (scheme-escape text) "\" }"))
    (d-DirectivePut-standalone-grob tag "Text")
    (d-DirectivePut-standalone-display tag text)
    (d-DirectivePut-standalone-minpixels tag 30))
;;;;;;;;    
(define (GetLilyPondDirection)
    (RadioBoxMenu (cons (_ "Up") "^") (cons (_ "Down") "_") (cons (_ "Auto") "-")))
;;;;
(define (CheckForLilyPondDefine name)
    (if (d-Directive-score? (string-append "Allow\n" name))
        #t
        (let ((filename
            (string-append DENEMO_LOCAL_ACTIONS_DIR "//graphics//" name ".eps")))
            (if (d-FileExists filename)
                    (begin
                        (d-WarningDialog (_ "This definition is not loaded ... trying to load"))
                        (d-CustomOrnamentDefinition (list name filename 2))
                        )
                    #f))))
                
                
;;;;;;;;;;
(define (AllowOrnament name)
    (let ((filename (scheme-escape (string-append DENEMO_GRAPHICS_DIR name ".eps"))))
        (d-LilyPondDefinition (cons name (string-append "\\markup {\\epsfile #X #2 #\"" filename "\""   "}" )))
        (d-DirectivePut-score-data (string-append "Allow\n" name) (string-append "(list \"" name "\" \"" filename  "\" \"2\")"))))
(define (ToggleOrnament name params)
    (let ((tag (string-append "Toggle" (string-upcase name 0  1))))
        (ChordOrnament tag (string-append "\\" name)   params   name)
    (if (not (d-Directive-score? (string-append "Allow\n" name)))
        (AllowOrnament name))))
   
 
;;;;;;;;;
(define (GetDefinitionDirectives)
    (define directives '())
    (let loop ((count 0))
        (define good-tag (d-DirectiveGetNthTag-score count))
        (if good-tag 
            (begin
                (if (string-prefix? "Allow\n" good-tag)
                    (set! directives (cons good-tag directives)))
                (loop (1+ count)))))
    directives)

(define (GetDefinitionDataFromUser)
    (let  ((directives '())(definitions #f))
        (define (get-second-line text)
            (let ((thelist (string-split text #\newline)))
                (if (> (length thelist) 1)
                (list-ref thelist 1)
                "")))
        (define (extract-data tag)
            (define name (get-second-line tag))
            (cons name (d-DirectiveGet-score-data tag)))
        (set! directives (GetDefinitionDirectives))

        (if (not (null? directives))
            (set! definitions (map extract-data directives)))
        (if definitions
                (RadioBoxMenuList definitions)
                #f)))

;;; get the (lilypond internal) step and accidental for a lilypond syntax note name
(define (GetStep note)
    (let ((step #f))
        (case (string-ref note 0)
            ((#\c) (set! step 0))
            ((#\d) (set! step 1))
            ((#\e) (set! step 2))
            ((#\f) (set! step 3))
            ((#\g) (set! step 4))
            ((#\a) (set! step 5))
            ((#\b) (set! step 6)))
       step))
(define (GetAccidental note)
    (define NATURAL 0)
    (define FLAT (/ -1 2))
    (define SHARP (/ 1 2))
    (define DOUBLE-FLAT -1)
    (define DOUBLE-SHARP 1)
    (if (string-contains note "isis")
        DOUBLE-SHARP
        (if (string-contains note "eses")
            DOUBLE-FLAT
            (if (string-contains note "is")
                SHARP
                (if (string-contains note "es")
                    FLAT
                    NATURAL)))))
;;;;;;;
(define (DenemoDefaultBeatStructure beats)
  (define bs "")
  (if (zero? (remainder beats 3))
    (begin
        (set! beats (number->string (/ beats 3)))
        (set! bs (string-append beats " " beats " " beats)))
    (if (zero? (remainder beats 2))
        (begin
            (set! beats (number->string (/ beats 2)))
            (set! bs (string-append beats " " beats)))
        (set! bs (string-append (number->string (/ (- beats 1) 2)) " " (number->string (- beats (/ (- beats 1) 2)))))))
    bs)

;;;
(define (DenemoGetDuration title)
    (define response (TitledRadioBoxMenuList title
        (list (cons "𝅝" "1/1")
        (cons "𝅗𝅥" "1/2")
        (cons "𝅘𝅥" "1/4")
        (cons "𝅘𝅥𝅮" "1/8") 
        (cons "𝅘𝅥𝅯" "1/16")
        (cons "𝅘𝅥𝅰 " "1/32")
        (cons "𝅘𝅥𝅱 " "1/64")
        (cons "𝅘𝅥𝅲 " "1/128")
        (cons (_ "Custom Duration") #f))))
   (if response
		response
		(let ((response
					(d-GetUserInput (_ "Horizontal Spacing Basis") (_ "Give fraction of whole note 𝅝   (e.g. 2/1 or 1/7 etc)") "1/5")))
			(if (and (string? response) (string->number response))
				response
				"1/1"))))                   
;;
(define (DenemoSetTitles tag param editing)
    (let ((score (equal? tag "ScoreTitles"))
        (data #f)
        (dedication #f)
        (title #f)
        (subtitle #f)
        (subsubtitle #f)
        (instrument #f)
        (poet #f)
        (composer #f)
        (meter #f)
        (arranger #f)
        (tagline #f)
        (copyright #f)
        (piece #f)
        (opus #f))
        (define (get-field field initial)
            (if (not initial)
                (set! initial field))
            (if editing
                (let ((response  (d-GetUserInputWithSnippets  (if score (_ "Score Titles")  (_ "Movement Titles")) (string-append (_ "Give ") field) initial)))
                    (if response
                        (string-append "\\column{" (cdr response) "}")
                        #f))
                (let ((response (d-GetUserInput (if score (_ "Score Titles")  (_ "Movement Titles")) (string-append (_ "Give ") field) initial)))
                    (if response (lilypond-markup-escape response) #f))))
            
        (define (write-titles)
            (let ((header " ")(prefix ""))
                (define (url type)
                    (if score
                            (string-append "\\with-url #'\"scheme:(DenemoSetTitles \\\"" tag "\\\" '" type " #t)\" ")
                            (string-append "\\with-url #'\"scheme:(d-GoToPosition " (number->string (d-GetMovement)) " 1 1 1)(DenemoSetTitles \\\"MovementTitles\\\" '" type " #t)\"")))
				(if (not score) (set! prefix " m"))
				
                (if dedication
                                (set! header (string-append header prefix "dedication = \\markup " (url "dedication") " {" dedication "}\n")))
                (if title
                                (set! header (string-append header prefix "title = \\markup " (url "title") " {" title "}\n")))
                (if subtitle
                                (set! header (string-append header prefix "subtitle = \\markup " (url "subtitle") " {" subtitle "}\n")))
                (if subsubtitle
                                (set! header (string-append header prefix "subsubtitle = \\markup " (url "subsubtitle") " {" subsubtitle "}\n")))
                (if instrument
                                (set! header (string-append header prefix "instrument = \\markup " (url "instrument") " {" instrument "}\n")))
                (if poet
                                (set! header (string-append header prefix "poet = \\markup " (url "poet") " {" poet "}\n")))
                (if composer
                                (set! header (string-append header prefix "composer = \\markup " (url "composer") " {" composer "}\n")))
                (if meter
                                (set! header (string-append header prefix "meter = \\markup " (url "meter") " {" meter "}\n")))
                (if arranger
                                (set! header (string-append header prefix "arranger = \\markup " (url "arranger") " {" arranger "}\n")))
                (if tagline
                                (set! header (string-append header prefix "tagline = \\markup " (url "tagline") " {" tagline "}\n")))
                (if copyright
                                (set! header (string-append header prefix "copyright = \\markup " (url "copyright") " {" copyright "}\n")))
                (if piece
                                (set! header (string-append header prefix "piece = \\markup " (url "piece") " {" piece "}\n")))
                (if opus
                                (set! header (string-append header prefix "opus = \\markup " (url "opus") " {" opus "}\n")))
                          
                (d-SetSaved #f)
                
                (if (not (eq? param 'initialize)) 
					(DenemoPrintAllHeaders));;; here to disable book titles.
                (if (not (d-Directive-header? "MovementTitles"))
                 (d-DirectiveDelete-paper "PrintAllHeaders"))
             
                (if score
                    (begin
                        (d-DirectivePut-scoreheader-postfix tag header)
                        (d-DirectivePut-scoreheader-display tag (_ "Score Titles"))
                        (d-DirectivePut-scoreheader-override tag DENEMO_OVERRIDE_GRAPHIC))
                    (begin
                        (d-DirectivePut-header-postfix tag header)
                        (d-DirectivePut-header-display tag (_ "Movement Titles"))
                        (d-DirectivePut-header-override tag DENEMO_OVERRIDE_GRAPHIC)))
                ;;; if setting movement titles but no score titles are set then initialize score titles to #f
                ;(if (and (not score) (not (d-Directive-scoreheader? "ScoreTitles")))
                ;        (DenemoSetTitles "ScoreTitles" 'initialize #f))
                        ))
                        
    (define (form-pair name title)
        (string-append "(cons '" name (if (string? title) (string-append " \"" (scheme-escape title) "\"") " #f") ")"))
        
    (define (set-data)
		(set! data (eval-string data))
		(set! dedication (assq-ref data 'dedication))
		(set! title (assq-ref data 'title))
		(set! subtitle (assq-ref data 'subtitle))
		(set! subsubtitle (assq-ref data 'subsubtitle))
		(set! instrument (assq-ref data 'instrument))
		(set! poet (assq-ref data 'poet))
		(set! composer (assq-ref data 'composer))
		(set! meter (assq-ref data 'meter))
		(set! arranger (assq-ref data 'arranger))
		(set! tagline (assq-ref data 'tagline))
		(set! copyright (assq-ref data 'copyright))
		(set! piece (assq-ref data 'piece))
		(set! opus (assq-ref data 'opus)))
;;; procedure starts here


		(if (not score)
			(begin (disp "starting"          (d-Directive-score? "MovementTitles") "\n\n"            )
				(if (not (d-Directive-score? "MovementTitles"))
					(begin
(d-DirectivePut-score-override "MovementTitles" DENEMO_OVERRIDE_AFFIX)				
(d-DirectivePut-score-prefix "MovementTitles" "
\\paper {
scoreTitleMarkup = \\markup { \\column {
\\override #'(baseline-skip . 3.5)
\\column {
	\\fill-line { \" \"}
	\\fill-line { \\fromproperty #'header:mdedication }
	\\override #'(baseline-skip . 3.5)
	\\column {
	  \\fill-line {
		\\huge \\larger \\bold
		\\fromproperty #'header:mtitle
	  }
	  \\fill-line {
		\\bold
		\\fromproperty #'header:msubtitle
	  }
	  \\fill-line {
		\\smaller \\bold
		\\fromproperty #'header:msubsubtitle
	  }
	  \\fill-line {
		\\fromproperty #'header:mpoet
		{ \\large \\bold \\fromproperty #'header:minstrument }
		\\fromproperty #'header:mcomposer
	  }
	  \\fill-line {
		\\fromproperty #'header:mmeter
		\\fromproperty #'header:marranger
		}
	\\fill-line {
		\\fromproperty #'header:mpiece
		\\fromproperty #'header:mopus
	  }
  \\fill-line {
	\\fromproperty #'header:mverses
	  }
	}
  }
}
}
}")))
		(set! tag "MTitles")
		(set! data (d-DirectiveGet-header-data "MovementTitles"))
		(if data ;legacy movement titles
			(begin
				(set-data)
				(let ((thealist (string-append "(list " 
						(form-pair "dedication" dedication) 
						(form-pair "title" title)
						(form-pair "subtitle" subtitle)
						(form-pair "subsubtitle" subsubtitle)
						(form-pair "instrument" instrument)
						(form-pair "poet" poet)
						(form-pair "composer" composer)
						(form-pair "meter" meter)
						(form-pair "arranger" arranger)
						(form-pair "tagline" tagline)
						(form-pair "copyright" copyright)
						(form-pair "piece" piece)
						(form-pair "opus" opus) " '())")))
				 (d-DirectivePut-header-data tag thealist) ;(disp "we have thealist new format " tag " " thealist "\n\n")
				 (d-DirectiveDelete-header "MovementTitles")
				 ))))) ;end of if movement titles, check for legacy ones and create the procedure scoreTitleMarkup for writing them
				


        (if score
            (set! data (d-DirectiveGet-scoreheader-data tag))
            (set! data (d-DirectiveGet-header-data tag)))
        ;(disp "so data we get for " tag  " is " data "\n\n")
        (if data 
            (set-data))
        (if (not data)
            (set! data '()))

        (let ((choice (list         
                (cons (_ "FINISH") 'abort)
                (cons (_ "dedication") 'dedication)
                (cons (_ "title") 'title)
                (cons (_ "subtitle") 'subtitle)
                (cons (_ "subsubtitle") 'subsubtitle)
                (cons (_ "instrument") 'instrument)
                (cons (_ "poet") 'poet)
                (cons (_ "composer") 'composer)
                (cons (_ "meter") 'meter)
                (cons (_ "arranger") 'arranger))))
                
                
                
            (if score
                (set! choice (append choice (list (cons (_ "tagline") 'tagline) (cons (_ "copyright") 'copyright))))
                (set! choice (append choice (list (cons (_ "piece") 'piece) (cons (_ "opus") 'opus)))))

           (if (d-Directive-scoreheader? "BookTitle")
                (let ((decide (RadioBoxMenu (cons (_ "Switch to Simple Titles") 'switch) (cons (_ "Cancel") #f))))
                    (if decide
                        (begin
                            (d-DirectiveDelete-score "TopMargin")
                            (d-LilyPondInclude (cons 'delete "simplified-book-titling.ily"))
                            (set! arranger (d-DirectiveGet-scoreheader-data "BookArranger"))
                            (set! composer (d-DirectiveGet-scoreheader-data "BookComposer"))
                            (set! instrument (d-DirectiveGet-scoreheader-data "BookInstrumentation"))
                            (set! copyright (d-DirectiveGet-scoreheader-data "BookCopyright"))
                            (set! meter (d-DirectiveGet-scoreheader-data "BookDate"))
                            (set! poet (d-DirectiveGet-scoreheader-data "BookPoet"))
                            (set! title (d-DirectiveGet-scoreheader-data "BookTitle"))
                            (d-DirectiveDelete-scoreheader "BookArranger")
                            (d-DirectiveDelete-scoreheader "BookComposer")
                            (d-DirectiveDelete-scoreheader "BookInstrumentation")
                            (d-DirectiveDelete-scoreheader "BookCopyright")
                            (d-DirectiveDelete-scoreheader "BookDate")
                            (d-DirectiveDelete-scoreheader "BookPoet")
                            (d-DirectiveDelete-scoreheader "BookTitle"))
                        (set! param 'abort))))
                
            (if param
                (set! choice param)
                (set! choice (RadioBoxMenuList choice)))
            (if (null? data)
                (begin
                    (if (or (d-DirectiveGet-scoreheader-postfix "ScoreTitle")
                            (d-DirectiveGet-header-postfix "ScoreSubsubtitle")
                            (d-DirectiveGet-header-postfix "ScoreSubtitle")
                            (d-DirectiveGet-header-postfix "ScoreArranger")
                            (d-DirectiveGet-header-postfix "ScoreComposer")
                            (d-DirectiveGet-header-postfix "ScoreDedication")
                            (d-DirectiveGet-scoreheader-postfix "ScoreInstrument")
                            (d-DirectiveGet-header-postfix "ScorePoet")
                            (d-DirectiveGet-header-postfix "ScorePiece")
                            (d-DirectiveGet-header-postfix "ScoreOpus")
                            (d-DirectiveGet-header-postfix "ScoreMeter")
                            (d-DirectiveGet-header-postfix "ScoreTagline")
                            (d-DirectiveGet-scoreheader-postfix "ScoreCopyright")
                            (d-DirectiveGet-header-postfix "MovementTitle")
                            (d-DirectiveGet-header-postfix "MovementSubtitle")
                            (d-DirectiveGet-header-postfix "MovementPiece"))
                        (begin
                            (set! choice 'abort)
                            (d-WarningDialog (_ "You have simple titles created by an earlier version of Denemo.\nYou can only edit these with 1.2.4 or earlier versions.\nYou can delete them in the score and movement editor and then re-instate them. You must also delete the Directive \"PrintAllHeaders\" in the Score Properties Editor when you do this."))))))
                
 
            (case choice
                ((dedication)
                    (if dedication (set! editing #t))
                    (set! choice (get-field (_ "dedication") dedication))
                    (if choice (set! dedication choice)))
                ((title)
                    (if title (set! editing #t))
                    (set! choice (get-field (_ "title") title))
                    (if choice (set! title choice)))
                ((subtitle)
                    (if subtitle (set! editing #t))
                    (set! choice (get-field (_ "subtitle") subtitle))
                    (if choice (set! subtitle choice)))
                ((subsubtitle)
                    (if subsubtitle (set! editing #t))
                    (set! choice (get-field (_ "subsubtitle") subsubtitle))
                    (if choice (set! subsubtitle choice)))
                ((instrument)
                    (if instrument (set! editing #t))                
                    (set! choice (get-field (_ "instrument") instrument))
                    (if choice (set! instrument choice)))
                ((poet)
                    (if poet (set! editing #t))                
                    (set! choice (get-field (_ "poet") poet))
                    (if choice (set! poet choice)))
                ((composer)
                    (if composer (set! editing #t))
                    (set! choice (get-field (_ "composer") composer))
                    (if choice (set! composer choice)))
                ((meter)
                            (if meter (set! editing #t))                
                            (set! choice (get-field (_ "meter") meter))
                    (if choice (set! meter choice)))
                ((arranger)
                    (if arranger (set! editing #t))                
                    (set! choice (get-field (_ "arranger") arranger))
                    (if choice (set! arranger choice)))
                ((tagline)
                    (if tagline (set! editing #t))                
                    (set! choice (get-field (_ "tagline") tagline))
                    (if choice (set! tagline choice)))
                ((copyright)
                    (if copyright (set! editing #t))                
                    (set! choice (get-field (_ "copyright") copyright))
                    (if choice (set! copyright choice)))
                ((piece)
                    (if piece (set! editing #t))                
                    (set! choice (get-field (_ "piece") piece))
                    (if choice (set! piece choice)))
                ((opus)
                    (if opus (set! editing #t))                
                    (set! choice (get-field (_ "opus") opus))
                    (if choice (set! opus choice))))
             (if (not choice) 
				(set! choice 'abort))       
             
             (if (not (eq? choice 'abort))
                (let ((thealist (string-append "(list " 
                    (form-pair "dedication" dedication) 
                    (form-pair "title" title)
                    (form-pair "subtitle" subtitle)
                    (form-pair "subsubtitle" subsubtitle)
                    (form-pair "instrument" instrument)
                    (form-pair "poet" poet)
                    (form-pair "composer" composer)
                    (form-pair "meter" meter)
                    (form-pair "arranger" arranger)
                    (form-pair "tagline" tagline)
                    (form-pair "copyright" copyright)
                    (form-pair "piece" piece)
                    (form-pair "opus" opus) " '())")))
                    (if score
                        (d-DirectivePut-scoreheader-data tag thealist)
                        (d-DirectivePut-header-data tag thealist))
                    (write-titles)
                    (if (not param)
						(DenemoSetTitles tag param editing)))))))
                    
;;;;;;;;;;;
(define (DenemoSetVerticalSpacingDist tag type title default)
    (let ((data (d-DirectiveGet-paper-data tag)))
        (if (not data)
            (set! data default))
        (set! data (d-GetUserInput title (_ "Give Spacing:")  data))
        (if (and data (string->number data))
            (begin
                (d-SetSaved #f)
                (d-DirectivePut-paper-data tag data)
                (d-DirectivePut-paper-postfix tag (string-append type ".basic-distance =  " data "\n"))))))
;;;;;;;;;;;
;example: (begin (DenemoSpacingParams  "MarkupSystemSpacing" "markup-system-spacing" 'stretchability 1) (DenemoSpacingParams "SystemSystemSpacing"  "system-system-spacing" 'stretchability 1))                
(define* (DenemoSpacingParams tag elements type #:optional (value #f))
    (let* ((data #f)(title #f)(prompt #f)
			(basic-distance 12)
			(minimum-distance 8)
			(padding 1)
			(stretchability 60))
		(set! tag (string-append tag "-" (symbol->string type)))
		(set! data (d-DirectiveGet-paper-data tag))
		(case type
			((basic-distance)
				(set! prompt (_ "Give distance"))
				(set! title (_ (string-append tag " Basic Distance"))))
			((minimum-distance)
				(set! prompt (_ "Give distance"))
				(set! title (_ "System to System Minimum Distance")))
			((padding)
				(set! prompt (_ "Give padding"))
				(set! title (_ "System to System Padding")))
			((stretchability)
				(set! prompt (_ "Give stretchability"))
				(set! title (_ "System to System Stretchability"))))		
		
        (if value
			(set! value (number->string value))
			(set! value (d-GetUserInput title prompt data)))
        (if (and value (string->number value))
            (begin
                (d-SetSaved #f)
                (d-DirectivePut-paper-data tag value)
                (d-DirectivePut-paper-postfix tag (string-append elements "." (symbol->string type) " = " value "\n"))))))                
 
                                
;;;;edit staff, called from tools icon at start of staff
(define (EditStaff)
        (let* ((num (number->string (d-GetStaff)))(choice (RadioBoxMenu 
            (if  (> (d-StaffMasterVolume) 0)
                (cons (string-append (_ "Mute Staff") " " num) 'mute)
                (cons  (string-append (_ "Unmute Staff") " " num) 'mute))
            (if (d-Directive-staff? "NonPrintingStaff")
                (cons  (string-append (_ "(Print) Show Staff") " " num) 'show)
                (cons  (string-append (_ "(Print) Hide Staff") " " num) 'show))
                
            (if (d-StaffHidden)
                (cons  (string-append (_ "(Display) Show Staff") " " num) 'display)
                (cons  (string-append (_ "(Display) Hide Staff") " " num) 'display))
            (cons (_ "(Display) Auto Adjust Staff Height") 'reset)    
            (cons (_ "Built-in Staff Properties") 'editor))))
        (case choice
            ((mute) (d-MuteStaff))
            ((show) (d-NonPrintingStaff))
            ((display) (d-ToggleCurrentStaffDisplay))
            ((reset) (begin (d-InfoDialog (_ "Staff spacing will be automatically adjusted"))(d-StaffSetSpaceAbove -1)))
            ((editor) (d-StaffProperties)))))
;;;;edit movement, called from tools icon at top left of display area
(define (EditMovement)
        (let* ((choice (RadioBoxMenu 
            (cons (_ "Help") 'help)
            (cons (_ "Movement Tempo") 'tempo)
            (cons (_ "Mute Staffs") 'mute)
            (cons (_ "(Display) Show All Staffs") 'show)
            (cons (_ "(Display) Hide All Other Staffs") 'hide)
            (cons (_ "Movement Editor") 'editor))))
        (case choice
            ((help) (d-InfoDialog (_ "This sets the visibility/mute and other properties for the whole movement")))
            ((tempo) (d-MovementTempo))
            ((mute) (d-MuteStaffs))
            ((show) (StaffsVisibility #t))
            ((hide)  (StaffsVisibility #f))
            ((editor) (d-EditMovementProperties)))))
;;;
(define (StaffsVisibility bool)
(d-PushPosition)
(while (d-MoveToStaffUp))
(let loop () (d-StaffHidden (not bool))
    (if (d-MoveToStaffDown) 
        (loop)))
(d-PopPosition))      

;;;;;
(define (DenemoInsertChordTransposed notes root-note) ;; notes is a string e.g. "c e g" root-note is a symbol e.g 'cis,,
    (let ((cursorNote #f)(above #f)(interval #f)(old_volume (d-MasterVolume)))
      (d-MasterVolume 0)
      (d-PutNote)
      (d-MoveCursorLeft)
      (set! cursorNote (string->symbol (d-GetNote)))
      (d-DeleteObject)
      (d-InsertChord notes)
      (d-MoveCursorLeft)
      (set! above (< (ANS::Ly2Ans cursorNote)  (ANS::Ly2Ans root-note)))
      (set! interval (ANS::GetInterval  (ANS::Ly2Ans root-note)  (ANS::Ly2Ans cursorNote)))
      (ANS::ChangeChordNotes (map (lambda (x) ((if above ANS::IntervalCalcDown ANS::IntervalCalcUp) x interval)) (ANS::GetChordNotes)))
      (d-MasterVolume old_volume)
      (d-PlayAtCursor)))       

(define (DenemoGetNoteAndAccidental)
    (define note (d-GetNote 1))
    (define acc "")
    (define name #f)
    (if note
        (begin
            (set! name (string-upcase (substring note 0 1)))
            (if (> (string-length note) 1)
                (let ((char (string-ref note 1)))
                    (if (eq? char #\e)
                        (set! acc "♭")
                        (if (eq? char #\i)
                            (set! acc "♯")))))
        (string-append name acc))
        #f))

(define* (DenemoGetUserNumberAsString #:optional (title "") (prompt "") (initial ""))
    (let ((val (d-GetUserInput title prompt initial)))
        (if (and val (string->number val))
            val
            #f)))
            
(define-once Transpose::Interval "c g");;; a more sensible default used by all typeset-transposed functions

;Check the scores in the tabs first and second for differences
(define CheckTabsContinue? 'continue)
(define (CheckTabs first second)
    (define staffnum 0)
    (define errors-found #f)
    (define numstaffs1 0)
    (define numstaffs2 0)
    (define nummeasures 0)
    (define message #f)
    (if CheckTabsContinue?
        (begin
            (disp "Starting staff " (d-GetStaff))
            ;check staff headers    
                (let loop ((move #f))
                    (set! staffnum (1+ staffnum))
                    (set! message (d-DifferenceOfStaffs first second)) ;moves to staff below after creating difference string
                    (disp "Moved to staff " (d-GetStaff))
                    (if message
                         (d-WarningDialog (string-append (_ "Staff number ") (number->string (1- (d-GetStaff))) ": " (_ "Staffs have different properties: ") message)))
                    (disp "Continuing if staff " (d-GetStaff) " equals " staffnum "\n")
                    (if (= (d-GetStaff) staffnum)
                         (loop #t)))   
                         
                         
            ;check staff contents
                (let loop ((staff 1))
                    (d-SelectTab first)
                    (set! numstaffs1 (d-GetStaffsInMovement))
                    (set! nummeasures (d-GetMeasuresInStaff))
                    (if (d-GoToPosition #f staff 1 1)
                        (let ((move #f))        (disp "Working on movement " (d-GetMovement) " in first score")
                            (d-SelectTab second)
                                                (disp "Working on movement " (d-GetMovement) " in second score")
                            (set! numstaffs2 (d-GetStaffsInMovement))
                            (if (not (= nummeasures (d-GetMeasuresInStaff)))
                                (begin
                                    (set! errors-found #t)
                                    (d-WarningDialog (string-append (_ "Different number of measures in staff ") (number->string staff)))))
                            (if (d-GoToPosition #f staff 1 1)
                                (let inner-loop ()
                                    (set! message (d-CompareObjects first second move))
                                    (if message ;not at end of staff
                                            (if (car message)
                                                    (let ((response
                                                            (d-GetUserInput (_ "Comparing Music") (string-append (car message) "\n" (_ "Continue Searching?")) "y")))
                                                         (set! errors-found #t)
                                                         (if (and (string? response) (equal? response "y"))
                                                            (begin
                                                                (if (cdr message)
                                                                    (begin 
                                                                        (set! move #t)
                                                                        (inner-loop))
                                                                    (begin 
                                                                        (set! CheckTabsContinue? #f) 
                                                                        (loop (+ 1 staff)))))
                                                            (set! CheckTabsContinue? #f))))
                                             (if CheckTabsContinue?
                                                (loop (+ 1 staff)))))))))
                (if (not (= numstaffs1 numstaffs2))
                    (d-WarningDialog (_ "Extra staff(s) in one score."))))))
                    
;;;;;Create an Index entry for the current score as a scheme file holding an alist
;;;;;The include file is named after the current filename with .DenemoIndex.scm appended
(define-once DenemoIndexEntryFile "DenemoIndexEntry.scm")
(define-once DenemoIndexStartdir "")
(define-once DenemoIndexProtocol #f)
(define-once DenemoIndexEntries '())
(define (DenemoIndexCommentDisplay comment)
        (d-DirectivePut-score-display "ScoreComment" comment))
(define* (CreateIndexEntry filename #:optional (script #f))
  (d-SetPrefs "<enable_thumbnails>0</enable_thumbnails>")
  (d-SetPrefs "<opensources>0</opensources>")
  (d-SetPrefs "<ignorescripts>1</ignorescripts>")
  (d-SetPrefs "<autosave>0</autosave>")
  (d-SetPrefs "<maxhistory>0</maxhistory>")                      
  (if (d-Open filename)
    (if (and script (not (eval-string script)))
        (d-Quit "1")
        (let ((data #f)
            (outputfile (string-append DenemoUserDataDir file-name-separator-string DenemoIndexEntryFile)) 
            (lilyfile (string-append DenemoUserDataDir file-name-separator-string "DenemoIndexEntry.ly")) 
            (transpose  (d-DirectiveGet-score-prefix "GlobalTranspose")) 
            (title #f)
            (composer #f)
            (comment (d-DirectiveGet-score-display "ScoreComment"))
            (incipit (d-DirectiveGet-scoreheader-postfix "ScoreIncipit"))
            (instruments '()))

            (define (instrument-name)
                (let ((name (d-DirectiveGet-staff-display "InstrumentName")))
                    (if (not name)
                        (set! name (d-StaffProperties "query=denemo_name")))
                    (if name
                       (string-delete #\" name)
                        "Unknown")))
            (d-GoToPosition 1 1 1 1)
            (let ((data (d-DirectiveGet-scoreheader-data "ScoreTitles")));;are there simple titles? FIXME can there be both? 
                (if data
                    (begin
                        (set! data (eval-string data))
                        (set! title (assq-ref data 'title))
                        (set! composer (assq-ref data 'composer)))))
                    
            (if (not title)
                (begin
                    (set! title (d-DirectiveGet-scoreheader-data "BookTitle"))
                    (if (not title)
                        (begin
                            (set! title (d-DirectiveGet-scoreheader-display "BookTitle"))
                            (if (not title)
                               (begin
                                    
                                    (set! title (d-DirectiveGet-scoreheader-display "Title"))
                                    (if (not title)
                                        (begin
                                            (set! title (d-DirectiveGet-header-display "ScoreTitle"))
                                                (if (not title)
                                                    (begin
                                                        (set! title (d-DirectiveGet-scoreheader-display "ScoreTitle"))))
                                                        (if (not title)
                                                            (begin
                                                                (set! title (d-DirectiveGet-header-display "Movement-title"))))))))))))   
     
            (if (not composer)
                (begin
                    (set! composer (d-DirectiveGet-scoreheader-data "BookComposer"))
                    (if (not composer)
                        (begin
                            (set! composer (d-DirectiveGet-scoreheader-display "BookComposer"))
                            (if (not composer)
                                    (begin
                                        (d-GoToPosition 1 1 1 1)
                                        (set! composer (d-DirectiveGet-scoreheader-display "Composer"))
                                        (if (not composer)
                                            (begin
                                                (set! composer (d-DirectiveGet-header-display "Movement-composer"))
                                                (if (not composer)
                                                    (begin
                                                        (set! composer (d-DirectiveGet-header-display "ScoreComposer"))
                                                        (if (not composer)
                                                            (begin
                                                                (set! composer (d-DirectiveGet-scoreheader-display "ScoreComposer")))))))))))))) 
                
           (if (and title (string-prefix? "Score Title: " title))
                (set! title (substring title (string-length "Score Title: "))))
                
           (if (and title (string-prefix? "title: " title))
                (set! title (substring title (string-length "title: "))))
                
                
            (if (and composer (string-prefix? "composer: " composer))
                (set! composer (substring composer (string-length "composer: "))))
                
            (if (and composer (string-prefix? "Score Composer: " composer))
                (set! composer (substring composer (string-length "Score Composer: "))))
            (if (not comment)
                    (set! comment ""))
                                
            (if (not transpose)
                (set! transpose "DenemoGlobalTranspose = {} ) "))

            (if (not incipit)
                (begin
                    (d-RefreshLilyPond)
                    (d-UnsetMark)
                    (d-IncipitFromSelection)
                    (set! incipit (d-DirectiveGet-scoreheader-postfix "ScoreIncipit"))))

             (let ((port (open-file lilyfile "w")))
                (format port "~A" (string-append 
                        transpose
                        incipit "\n\\incipit\n"))
                (close-port port)
                (if (not (zero? (system* "lilypond" "-l" "NONE" "-dno-print-pages" lilyfile)))
                     (set! incipit "incipit = \\markup {No Incipit Available}")))       
            (if (not title)
                (set! title (_ "No Title")))
            (if (not composer)
                (set! composer (_ "No Composer")))
                
            (set! title (regexp-substitute/global #f "\"" title 'pre 'post))
            (set! composer (regexp-substitute/global #f "\"" composer 'pre 'post))
        
            (set! title (scheme-escape title))
            (set! composer (scheme-escape composer))

            (while (d-MoveToStaffUp))
            (let loop ()
                (if (d-IsVoice)
                    (begin
                        (if (d-MoveToStaffDown)
                            (loop)))
                    (begin
                        (set! instruments (cons* (instrument-name) instruments))
                        (if (d-MoveToStaffDown)
                            (loop)))))

            (set! data (assq-set! data 'thefile filename))
            (set! data (assq-set! data 'composer composer))
            (set! data (assq-set! data 'comment comment))
            (set! data (assq-set! data 'title title))
            (set! data (assq-set! data 'transpose transpose))
            (set! data (assq-set! data 'incipit incipit))
            (set! data (assq-set! data 'instruments (reverse instruments)))
            (let ((port (open-file outputfile "a")))
                (write data port)
                (close-port port))
        (d-Quit "0")))
        (d-Quit "2")))
    
   (define (CreateLilyPondForDenemoIndexEntry data)
        (define startdir DenemoIndexStartdir)
        (define protocol DenemoIndexProtocol)
        (if data
            (let ((thefile #f)(short-file #f)(transpose #f)(title #f)(composer #f)(comment #f)(incipit #f)(instruments #f))
                (set! thefile (assq-ref data 'thefile))
                (set! transpose (assq-ref data 'transpose))
                (set! title (assq-ref data 'title))
                (set! composer (assq-ref data 'composer))
                (set! comment (assq-ref data 'comment))
                (set! incipit (assq-ref data 'incipit))
                (set! instruments (string-join (assq-ref data 'instruments) ", "))
                (set! short-file (substring thefile (string-prefix-length thefile startdir)))
                (string-append 
                        "\\markup {\"" composer ": " title "\"}\n"
                        "\\noPageBreak\\markup {\"Instrumentation:" instruments "\"}\n"
                        (if (string-null? comment) "" (string-append "\\noPageBreak\\markup\\bold\\italic {\"Comment:" comment "\"}\n"))
                        transpose
                        incipit
                        "\n\\noPageBreak\\incipit\n"
                        "\\noPageBreak\\markup \\with-color #blue {\\with-url #'\""
                        (if protocol protocol "scheme:(d-OpenNewWindow \\\"") (if protocol short-file thefile) (if protocol "" "\\\")")
                                  "\"\"Filename: " short-file "\"}\n"
                        "\\noPageBreak\\markup {\\column {\\draw-hline}}"))
            "\\markup { BLANK ENTRY }"))
            
;;moves to next movement skipping sketches, stops at last movement if it is a sketch            
(define (NextNonSketchMovement)
	(if (d-NextMovement)
		(begin
			(d-ToggleSketch)
			(if (d-ToggleSketch)
				(NextNonSketchMovement)
				#t))
		#f))
;;gets a list of all layouts in Score Layout view together with the default one for the current part
(define (GetLayoutList)
	(let ((thelist '())(start (d-GetLayoutId))(partid #f))
	(define (addtolist name id)
		(if (not (equal? id partid))
			(set! thelist (cons (cons name id) thelist))))
	(set! partid (d-GetCurrentStaffLayoutId))
	(d-SelectFirstLayout)
	(addtolist (d-GetLayoutName) (d-GetLayoutId))
	(while (d-SelectNextLayout)
		(addtolist (d-GetLayoutName) (d-GetLayoutId)))
	(if partid
			(set! thelist (cons (cons (d-StaffProperties "query=lily_name") partid) thelist)))
	(d-SelectLayoutId start)
	thelist))

(define-once MasterMute::value #f) ;saved value for MasterVolume when muted between (MasterMute #t) and (MasterMute #f)	
(define (MasterMute mute)
		(if (and mute (not MasterMute::value))
			(begin
				(set! MasterMute::value (d-MasterVolume))
				(d-MasterVolume 0))
			(begin
				(if MasterMute::value
					(d-MasterVolume MasterMute::value)
					(d-MasterVolume 1))
				(set! MasterMute::value #f))))
	
(define (ToggleViewVisibility name)
	(d-SetViewVisibility name (not (d-GetViewVisibility name))))	

;;;;;;;;;VerboseLilyPondView - directives in the scoreblock are annotated within the LilyPond syntax to describe their origin 
(define (AnnotateDirectives field)
	(define nth (eval-string (string-append "d-DirectiveGetNthTag-" field)))
	(let loop ((count 0))
		(define tag (nth count))
		(if tag 
			(let ((prefix (eval-string (string-append "(d-DirectiveGet-" field "-prefix \"" tag "\")")))
				  (postfix (eval-string (string-append "(d-DirectiveGet-" field "-postfix \"" tag "\")")))
				  (show (d-GetLabel tag)))
				  (if (not show) (set! show "")) 
				  (if (and prefix (not (equal? (string-ref prefix 0) #\%)))
						(eval-string (string-append "(d-DirectivePut-" field "-prefix  \"" tag "\" \"%{" show ":(" tag ")%} " (scheme-escape prefix) "\")")))
				  (if (and postfix (not (equal? (string-ref postfix 0) #\%)))
						(eval-string (string-append "(d-DirectivePut-" field "-postfix  \"" tag "\" \"%{" show ":(" tag ")%} " (scheme-escape postfix) "\")")))
				  (loop (1+ count))))))
(define (AnnotateScoreDirectives)			
		(AnnotateDirectives "score")
		(AnnotateDirectives "scoreheader")
		(AnnotateDirectives "paper")
		(AnnotateDirectives "header")
		(AnnotateDirectives "layout")
		(ForEachStaffInScore 
			"(AnnotateDirectives \"movementcontrol\")
			(AnnotateDirectives \"staff\")
			(AnnotateDirectives \"voice\")"))
;;;;;;;;;;;;;;;;;;
