2 timing-grav.cc -- implement Timing_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "translator-group.hh"
11 #include "command-request.hh"
12 #include "score-element-info.hh"
13 #include "multi-measure-rest.hh"
14 #include "timing-translator.hh"
15 #include "engraver.hh"
20 class Timing_engraver : public Timing_translator, public Engraver
24 virtual bool do_try_music (Music * );
25 virtual void do_post_move_processing ();
26 virtual void do_process_music ();
27 virtual void do_pre_move_processing ();
29 VIRTUAL_COPY_CONS(Translator);
32 ADD_THIS_TRANSLATOR(Timing_engraver);
35 Timing_engraver::do_post_move_processing( )
38 Timing_translator::do_post_move_processing ();
40 SCM nonauto = get_property ("barNonAuto");
42 SCM which = get_property ("whichBar");
43 if (!gh_string_p (which))
44 which = now_mom () ? SCM_EOL : ly_str02scm ("|");
46 if (!gh_string_p (which) && !to_boolean (nonauto))
48 SCM always = get_property ("barAlways");
49 if (!measure_position ()
50 || (to_boolean (always)))
52 which=get_property ("defaultBarType" );
56 daddy_trans_l_->set_property ("whichBar", which);
60 Timing_engraver::do_pre_move_processing ()
62 Timing_translator::do_pre_move_processing ();
63 daddy_trans_l_->set_property ("whichBar", SCM_EOL);
67 Timing_engraver::do_try_music (Music*m)
69 if (Bar_req * b= dynamic_cast <Bar_req *> (m))
71 if (bar_req_l_ && !bar_req_l_->equal_b (b))
78 return Timing_translator::do_try_music (m);
82 Timing_engraver::do_process_music ()
85 daddy_trans_l_->set_property ("whichBar", bar_req_l_->get_mus_property ("type"));