X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fpart-combiner.scm;h=7deeeeb4815615f4ffb5e9ff48b1dcda321a716a;hb=48f2661bc77826d2fbcca39845850ee44725be6f;hp=c492701c9142087bb6c44ac65deabf1a41d0a224;hpb=84e144718964f20c48ff8dccaea8de9741df07e4;p=lilypond.git

diff --git a/scm/part-combiner.scm b/scm/part-combiner.scm
index c492701c91..7deeeeb481 100644
--- a/scm/part-combiner.scm
+++ b/scm/part-combiner.scm
@@ -1,6 +1,6 @@
 ;;;; This file is part of LilyPond, the GNU music typesetter.
 ;;;;
-;;;; Copyright (C) 2004--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;; Copyright (C) 2004--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
 ;;;;
 ;;;; LilyPond is free software: you can redistribute it and/or modify
 ;;;; it under the terms of the GNU General Public License as published by
@@ -41,7 +41,7 @@
 
 (define-method (note-events (vs <Voice-state>))
   (define (f? x)
-    (equal? (ly:event-property	x 'class) 'note-event))
+    (ly:in-event-class? x 'note-event))
   (filter f? (events vs)))
 
 (define-method (previous-voice-state (vs <Voice-state>))
@@ -130,30 +130,30 @@ Voice-state objects
     "Analyse EVS at INDEX, given state ACTIVE."
 
     (define (analyse-tie-start active ev)
-      (if (equal? (ly:event-property ev 'class) 'tie-event)
+      (if (ly:in-event-class? ev 'tie-event)
 	  (acons 'tie (split-index (vector-ref voice-state-vec index))
 		 active)
 	  active))
 
     (define (analyse-tie-end active ev)
-      (if (equal? (ly:event-property ev 'class) 'note-event)
+      (if (ly:in-event-class? ev 'note-event)
 	  (assoc-remove! active 'tie)
 	  active))
 
     (define (analyse-absdyn-end active ev)
-      (if (or (equal? (ly:event-property ev 'class) 'absolute-dynamic-event)
-	      (and (equal? (ly:event-property ev 'class) 'crescendo-event)
+      (if (or (ly:in-event-class? ev 'absolute-dynamic-event)
+	      (and (ly:in-event-class? ev 'span-dynamic-event)
 		   (equal? STOP (ly:event-property ev 'span-direction))))
 	  (assoc-remove! (assoc-remove! active 'cresc) 'decr)
 	  active))
 
     (define (active<? a b)
       (cond ((symbol<? (car a) (car b)) #t)
-	    ((symbol<? (car b) (car b)) #f)
+	    ((symbol<? (car b) (car a)) #f)
 	    (else (< (cdr a) (cdr b)))))
 
     (define (analyse-span-event active ev)
-      (let* ((name (ly:event-property ev 'class))
+      (let* ((name (car (ly:event-property ev 'class)))
 	     (key (cond ((equal? name 'slur-event) 'slur)
 			((equal? name 'phrasing-slur-event) 'tie)
 			((equal? name 'beam-event) 'beam)
@@ -243,7 +243,7 @@ LilyPond version 2.8 and earlier."
     (ly:interpret-music-expression (make-non-relative-music music) global)
     context-list))
 
-(define-public (make-part-combine-music parser music-list)
+(define-public (make-part-combine-music parser music-list direction)
   (let* ((m (make-music 'PartCombineMusic))
 	 (m1 (make-non-relative-music (context-spec-music (first music-list) 'Voice "one")))
 	 (m2  (make-non-relative-music  (context-spec-music (second music-list) 'Voice "two")))
@@ -252,6 +252,7 @@ LilyPond version 2.8 and earlier."
 	 (evs1 (recording-group-emulate m1 listener)))
 
     (set! (ly:music-property m 'elements) (list m1 m2))
+    (set! (ly:music-property m 'direction) direction)
     (set! (ly:music-property m 'split-list)
 	  (if (and (assoc "one" evs1) (assoc "two" evs2))
 	      (determine-split-list (reverse! (assoc-get "one" evs1) '())