Implement shorten-pair for Hairpin

[lilypond.git] / scm / define-music-display-methods.scm

diff --git a/scm/define-music-display-methods.scm b/scm/define-music-display-methods.scm
index 0b9cb54fbb713ff5a9df2601cb6c0667ab261a74..a5ccd9284928289f37284e44b63b870280973c39 100644 (file)
--- a/scm/define-music-display-methods.scm
+++ b/scm/define-music-display-methods.scm
@@ -89,8 +89,7 @@ expression."
   (define (pitch= pitch1 pitch2)
     (and (= (ly:pitch-notename pitch1) (ly:pitch-notename pitch2))
          (= (ly:pitch-alteration pitch1) (ly:pitch-alteration pitch2))))
-  (let* ((pitches (ly:parser-lookup 'pitchnames))
-         (result (rassoc ly-pitch pitches pitch=)))
+  (let* ((result (rassoc ly-pitch pitchnames pitch=)))
     (and result (car result))))
 
 (define-public (octave->lily-string pitch)
@@ -629,7 +628,7 @@ Otherwise, return #f."
                       (format #f "~s" string)
                       string))
                 (markup->lily-string text)))
-          (map-in-order (lambda (m) (music->lily-string m))
+          (map-in-order music->lily-string
                         (ly:music-property lyric 'articulations))))
 
 (define-display-method BreathingEvent (event)
@@ -809,7 +808,8 @@ Otherwise, return #f."
             (new-line->lily-string))))
 
 (define-display-method PropertyUnset (expr)
-  (format #f "\\unset ~a~a~a"
+  (format #f "~a\\unset ~a~a~a"
+          (if (ly:music-property expr 'once #f) "\\once " "")
           (if (eqv? (*current-context*) 'Bottom)
               ""
               (format #f "~a . " (*current-context*)))
@@ -839,8 +839,11 @@ Otherwise, return #f."
 (define-display-method RevertProperty (expr)
   (let* ((symbol (ly:music-property expr 'symbol))
          (properties (ly:music-property expr 'grob-property-path
-                                        (list (ly:music-property expr 'grob-property)))))
-    (format #f "\\revert ~{~a~^.~}~a"
+                                        (list (ly:music-property expr
+                                                                 'grob-property))))
+         (once (ly:music-property expr 'once #f)))
+    (format #f "~a\\revert ~{~a~^.~}~a"
+            (if once "\\once " "")
             (if (eqv? (*current-context*) 'Bottom)
                 (cons symbol properties)
                 (cons* (*current-context*) symbol properties))
@@ -856,7 +859,11 @@ Otherwise, return #f."
                 num den
                 (new-line->lily-string))
         (format #f
-                "\\time #'~a ~a/~a~a"
+                ;; This is silly but the latter will also work for #f
+                ;; and other
+                (if (key-list? structure)
+                    "\\time ~{~a~^,~} ~a/~a~a"
+                    "\\time #'~a ~a/~a~a")
                 structure num den
                 (new-line->lily-string)))))