X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=ly%2Ftitling-init.ly;h=60c07e6ef0776102b59cbdcdedd2b07a5bd9db3e;hb=1a9d44f4edf9c0b3bc12d399491ca7001743b539;hp=9ef8cd48dd9b598f6d8f8a216474c6e117518781;hpb=5c14a087ca6cbd665fd631452b7b1283ba0387c3;p=lilypond.git

diff --git a/ly/titling-init.ly b/ly/titling-init.ly
index 9ef8cd48dd..60c07e6ef0 100644
--- a/ly/titling-init.ly
+++ b/ly/titling-init.ly
@@ -1,4 +1,4 @@
-\version "2.11.57"
+\version "2.12.0"
 
 slashSeparator = \markup {
   \center-align
@@ -69,22 +69,48 @@ scoreTitleMarkup = \markup { \column {
 }
 }
 
+%% Book first page and last page predicates
 #(define (first-page layout props arg)
+  (define (ancestor layout)
+    "Return the topmost layout ancestor"
+    (let ((parent (ly:output-def-parent layout)))
+       (if (not (ly:output-def? parent))
+           layout
+           (ancestor parent))))
   (if (= (chain-assoc-get 'page:page-number props -1)
-         (ly:output-def-lookup layout 'first-page-number))
+         (ly:output-def-lookup (ancestor layout) 'first-page-number))
       (interpret-markup layout props arg)
       empty-stencil))
 
 #(define (last-page layout props arg)
-  (if (chain-assoc-get 'page:last? props #f)
-   (interpret-markup layout props arg)
-   empty-stencil))
+  (if (and (chain-assoc-get 'page:is-bookpart-last-page props #f)
+           (chain-assoc-get 'page:is-last-bookpart props #f))
+      (interpret-markup layout props arg)
+      empty-stencil))
 
 #(define (not-first-page layout props arg)
+  (define (ancestor layout)
+    "Return the topmost layout ancestor"
+    (let ((parent (ly:output-def-parent layout)))
+       (if (not (ly:output-def? parent))
+           layout
+           (ancestor parent))))
   (if (not (= (chain-assoc-get 'page:page-number props -1)
-              (ly:output-def-lookup layout 'first-page-number)))
-   (interpret-markup layout props arg)
-   empty-stencil))
+              (ly:output-def-lookup (ancestor layout) 'first-page-number)))
+      (interpret-markup layout props arg)
+      empty-stencil))
+
+%% Bookpart first page and last page predicates
+#(define (part-first-page layout props arg)
+  (if (= (chain-assoc-get 'page:page-number props -1)
+         (ly:output-def-lookup layout 'first-page-number))
+      (interpret-markup layout props arg)
+      empty-stencil))
+
+#(define (part-last-page layout props arg)
+  (if (chain-assoc-get 'page:is-bookpart-last-page props #f)
+      (interpret-markup layout props arg)
+      empty-stencil))
 
 %% unused
 #(define (not-single-page layout props arg)