From 4992ee602685479b8f7c7c7d55a4c37cb8af646f Mon Sep 17 00:00:00 2001
From: David Kastrup <dak@gnu.org>
Date: Sun, 5 Feb 2012 12:59:29 +0100
Subject: [PATCH] Issue 2269: If piece begins with \cueDuringWithClef, ambitus
 is shown in cue's clef

---
 input/regression/ambitus-cue.ly | 27 +++++++++++++++++++++++++++
 lily/ambitus-engraver.cc        | 11 +++++++++--
 2 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 input/regression/ambitus-cue.ly

diff --git a/input/regression/ambitus-cue.ly b/input/regression/ambitus-cue.ly
new file mode 100644
index 0000000000..6bb87b9ba3
--- /dev/null
+++ b/input/regression/ambitus-cue.ly
@@ -0,0 +1,27 @@
+\version "2.14.2"
+
+\header {
+  texidoc = "Ambitus for pieces beginning with @code{\\cueDuringWithClef}.
+
+Cues are often used at or near the beginning of a piece. Furthermore,
+a cue is frequently in a different clef, so the
+@code{\\cueDuringWithClef} command is handy.  Using this command at
+the beginning of a piece should leave the ambitus displayed based
+on the main clef.
+"
+}
+
+\addQuote "other" \relative c { r4 c e g }
+
+\new Staff \new Voice \relative c'
+{
+ \cueDuringWithClef #"other" #UP #"bass" { R1 } |
+ e4 b c2
+}
+
+\layout {
+ \context {
+   \Voice
+   \consists "Ambitus_engraver"
+ }
+}
diff --git a/lily/ambitus-engraver.cc b/lily/ambitus-engraver.cc
index dfd23f1724..8690b01f80 100644
--- a/lily/ambitus-engraver.cc
+++ b/lily/ambitus-engraver.cc
@@ -120,8 +120,14 @@ Ambitus_engraver::stop_translation_timestep ()
        * may then oversee a clef that is defined in a staff context if
        * we are in a voice context; middleCPosition would then be
        * assumed to be 0.
+
+       * Don't use middleCPosition as this may be thwarted by a cue
+       * starting here.  middleCOffset is not affected by cue clefs.
        */
-      start_c0_ = robust_scm2int (get_property ("middleCPosition"), 0);
+      int clef_pos = robust_scm2int (get_property ("middleCClefPosition"), 0);
+      int offset = robust_scm2int (get_property ("middleCOffset"), 0);
+
+      start_c0_ = clef_pos + offset;
       start_key_sig_ = get_property ("keySignature");
 
       is_typeset_ = true;
@@ -231,7 +237,8 @@ ADD_TRANSLATOR (Ambitus_engraver,
 
                 /* read */
                 "keySignature "
-                "middleCPosition ",
+                "middleCClefPosition "
+		"middleCOffset ",
 
                 /* write */
                 ""
-- 
2.39.5