release: 1.3.93

[lilypond.git] / scm / basic-properties.scm

diff --git a/scm/basic-properties.scm b/scm/basic-properties.scm
index 3dadb920c01d054832691d0f6eef98c325962dbc..d07db3311eac5938d54468348e560e80f105bd4d 100644 (file)
--- a/scm/basic-properties.scm
+++ b/scm/basic-properties.scm
@@ -129,10 +129,6 @@
 ;;     
 ;; We have our doubts, so we simply provide all sensible alternatives.
 
-
-
-
-
 ;; array index multiplicity, last if index>size
 ;; beamed stems
 
@@ -141,9 +137,6 @@
 ;;  - take #forced stems into account (now done in C++)?
 ;;  - take y-position of chord or beam into account
 
-;;;;;;;;;;;;;;;;;;;;;;;
-
-
 ;
 ; todo: clean this up a bit: the list is getting rather long.
 ; 
@@ -167,3 +160,80 @@
     (name . "beam")
     )
   )
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+; Bar lines.
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;
+; How should a  bar line behave at a break? 
+;
+(define (default-break-barline glyph dir)
+   (let ((result (assoc glyph 
+                       '((":|:" . (":|" . "|:"))
+                         ("|" . ("|" . ""))
+                         ("|s" . (nil . "|"))
+                         ("|:" . ("|" . "|:"))
+                         ("|." . ("|." . nil))
+                         (".|" . (nil . ".|"))
+                         (":|" . (":|" . nil))
+                         ("||" . ("||" . nil))
+                         (".|." . (".|." . nil))
+                         ("brace" . (nil . "brace"))
+                         ("bracket" . (nil . "bracket"))  
+                         )
+                       )))
+
+     (if (equal? result #f)
+        (ly-warn (string-append "Unknown bar glyph: `" glyph "'"))
+        (index-cell (cdr result) dir))
+     )
+   )
+     
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;  Prefatory matter: break align item.
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Spacing constants 
+;;
+;; rules for this spacing are much more complicated than this. 
+;; See [Wanske] page 126 -- 134, [Ross] pg 143 -- 147
+;;
+
+;; (Measured in staff space)
+(define default-break-align-space-alist
+ '(
+   ((none Instrument_name) . (extra-space 1.0))
+   ((Instrument_name Left_edge_item) . (extra-space 1.0))
+   ((Left_edge_item Clef_item) . (extra-space 1.0))
+   ((Left_edge_item Key_item) . (extra-space 0.0))   
+   ((Left_edge_item begin-of-note) . (extra-space 1.0))
+   ((none Left_edge_item) . (extra-space 0.0))
+   ((Left_edge_item Staff_bar) . (extra-space 0.0))
+;   ((none Left_edge_item) . (extra-space -15.0))
+;   ((none Left_edge_item) . (extra-space -15.0))
+   ((none Clef_item) . (minimum-space 1.0))
+   ((none Staff_bar) . (minimum-space 0.0))
+   ((none Clef_item) . (minimum-space 1.0))
+   ((none Key_item) . (minimum-space 0.5))
+   ((none Time_signature) . (extra-space 0.0))
+   ((none begin-of-note) . (minimum-space 1.5))
+   ((Clef_item Key_item) . (minimum-space 4.0))
+   ((Key_item Time_signature) . (extra-space 1.0))
+   ((Clef_item  Time_signature) . (minimum-space 3.5))
+   ((Staff_bar Clef_item) .   (minimum-space 1.0))
+   ((Clef_item  Staff_bar) .  (minimum-space 3.7))
+   ((Time_signature Staff_bar) .  (minimum-space 2.0))
+   ((Key_item  Staff_bar) .  (extra-space 1.0))
+   ((Staff_bar Time_signature) . (minimum-space 1.5)) 
+   ((Time_signature begin-of-note) . (extra-space 2.0)) 
+   ((Key_item begin-of-note) . (extra-space 2.5))
+   ((Staff_bar begin-of-note) . (extra-space 1.0))
+   ((Clef_item begin-of-note) . (minimum-space 5.0))
+   ((none Breathing_sign) . (minimum-space 0.0))
+   ((Breathing_sign Key_item) . (minimum-space 1.5))
+   ((Breathing_sign begin-of-note) . (minimum-space 1.0))
+   ((Breathing_sign Staff_bar) . (minimum-space 1.5))
+   ((Breathing_sign Clef_item) . (minimum-space 2.0))
+   )
+)