X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fforbid-break-engraver.cc;h=c44bbb6012f300f058754c84e8ad50729f72c525;hb=7f30590b4e9d2e2e2da747a65258f14279f610e1;hp=461b55e9d8eecdb51520c363db2b9efeb03f2299;hpb=c81b75a62bd21b85642b76ce364b5016087bce24;p=lilypond.git diff --git a/lily/forbid-break-engraver.cc b/lily/forbid-break-engraver.cc index 461b55e9d8..c44bbb6012 100644 --- a/lily/forbid-break-engraver.cc +++ b/lily/forbid-break-engraver.cc @@ -1,45 +1,55 @@ -#include "rhythmic-head.hh" +/* + forbid-break-engraver.cc -- implement Forbid_line_break_engraver + + source file of the GNU LilyPond music typesetter + + (c) 2002--_2005 Han-Wen Nienhuys +*/ +#include "context.hh" +#include "duration.hh" #include "engraver.hh" #include "grob.hh" -#include "score-engraver.hh" +#include "input.hh" +#include "pitch.hh" +#include "rhythmic-head.hh" + +#include "translator.icc" class Forbid_line_break_engraver : public Engraver { public: - TRANSLATOR_DECLARATIONS(Forbid_line_break_engraver); - virtual void start_translation_timestep (); + TRANSLATOR_DECLARATIONS (Forbid_line_break_engraver); + void start_translation_timestep (); }; -Forbid_line_break_engraver::Forbid_line_break_engraver(){} - -ENTER_DESCRIPTION(Forbid_line_break_engraver, -/* descr */ "Forbid line breaks when note heads are still playing at some point.", -/* creats*/ "", -/* accepts */ "", -/* acks */ "", -/* reads */ "busyGrobs", -/* write */ ""); +Forbid_line_break_engraver::Forbid_line_break_engraver () +{ +} void -Forbid_line_break_engraver::start_translation_timestep() +Forbid_line_break_engraver::start_translation_timestep () { /* Check for running note heads. This should probably be done elsewhere. - */ + */ SCM busy = get_property ("busyGrobs"); - Moment now = now_mom(); - while (gh_pair_p (busy) && unsmob_moment (gh_caar (busy))->main_part_ == now.main_part_) - busy = gh_cdr (busy); + Moment now = now_mom (); + while (scm_is_pair (busy) && unsmob_moment (scm_caar (busy))->main_part_ == now.main_part_) + busy = scm_cdr (busy); - - while (gh_pair_p (busy)) + while (scm_is_pair (busy)) { - Grob *g = unsmob_grob (gh_cdar (busy)); - if (Rhythmic_head::has_interface (g)) - { - top_engraver()->forbid_breaks(); - } - busy = gh_cdr(busy); + Grob *g = unsmob_grob (scm_cdar (busy)); + if (g->internal_has_interface (ly_symbol2scm ("rhythmic-grob-interface"))) + context ()->get_score_context ()->set_property ("forbidBreak", SCM_BOOL_T); + busy = scm_cdr (busy); } } + +ADD_TRANSLATOR (Forbid_line_break_engraver, + /* doc */ "Forbid line breaks when note heads " + "are still playing at some point.", + /* create */ "", + /* read */ "busyGrobs", + /* write */ "forbidBreak");