2006-09-24 Joe Neeman <joeneeman@gmail.com>
+
+ * lily/paper-book.cc (get_system_specs):
+ (set_system_penalty): fix breakbefore.
+ We used to set a penalty on the system after the break, now we
+ set a permission on the system before the break
+
* lily/grob-property.cc: add scm debugging hooks into
property modification
#include "paper-book.hh"
+#include "grob.hh"
#include "main.hh"
#include "output-def.hh"
#include "paper-score.hh"
return title;
}
+/* read the breakbefore property of a score block and set up the preceding
+ system-spec to honour it. That is, SYM should be the system spec that
+ immediately precedes the score (from which HEADER is taken)
+ in the get_system_specs() list */
void
-set_system_penalty (Prob *ps, SCM header)
+set_system_penalty (SCM sys, SCM header)
{
if (ly_is_module (header))
{
if (SCM_VARIABLEP (force)
&& scm_is_bool (SCM_VARIABLE_REF (force)))
{
- ps->set_property ("penalty",
- scm_from_int(to_boolean (SCM_VARIABLE_REF (force))
- ? -10000
- : 10000));
+ bool b = to_boolean (SCM_VARIABLE_REF (force));
+ SCM sym = b ? ly_symbol2scm ("force") : SCM_EOL;
+
+ if (Paper_score *ps = dynamic_cast<Paper_score*> (unsmob_music_output (sys)))
+ {
+ vector<Grob*> cols = ps->get_columns ();
+ if (cols.size ())
+ cols.back ()->set_property ("page-break-permission", sym);
+ }
+ else if (Prob *pb = unsmob_prob (sys))
+ pb->set_property ("page-break-permission", sym);
}
}
}
SCM props = paper_->lookup_variable (ly_symbol2scm ("score-title-properties"));
Prob *ps = make_paper_system (props);
paper_system_set_stencil (ps, title);
- set_system_penalty (ps, header);
return ps->self_scm();
}
SCM props = paper_->lookup_variable (ly_symbol2scm ("book-title-properties"));
Prob *ps = make_paper_system (props);
paper_system_set_stencil (ps, title);
- set_system_penalty (ps, header_);
system_specs = scm_cons (ps->self_scm (), system_specs);
ps->unprotect ();
if (Paper_score *pscore = dynamic_cast<Paper_score *> (mop))
{
SCM title = get_score_title (header);
+
+ if (scm_is_pair (system_specs))
+ set_system_penalty (scm_car (system_specs), header);
+
if (unsmob_prob (title))
{
system_specs = scm_cons (title, system_specs);