-
/*
lyric-number-engraver.cc -- implement Stanza_number_engraver
source file of the GNU LilyPond music typesetter
- (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>, Glen Prideaux <glenprideaux@iname.com>
+ (c) 2000--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>, Glen Prideaux <glenprideaux@iname.com>
Similar to (and derived from) Instrument_name_engraver.
*/
#include "engraver.hh"
#include "item.hh"
-//#include "system-start-delimiter.hh"
-//#include "side-position-interface.hh"
-//#include "staff-symbol-referencer.hh"
-#include "bar.hh"
+#include "bar-line.hh"
class Stanza_number_engraver : public Engraver
{
Item *text_;
- bool bar_b_;;
+ bool bar_b_;
void create_text (SCM s);
public:
- VIRTUAL_COPY_CONS(Translator);
- Stanza_number_engraver ();
+ TRANSLATOR_DECLARATIONS(Stanza_number_engraver);
- virtual void acknowledge_element (Score_element_info);
- virtual void do_pre_move_processing ();
+ virtual void process_music ();
+ virtual void stop_translation_timestep ();
};
-ADD_THIS_TRANSLATOR(Stanza_number_engraver);
+
Stanza_number_engraver::Stanza_number_engraver ()
{
}
void
-Stanza_number_engraver::acknowledge_element(Score_element_info i)
+Stanza_number_engraver::process_music ()
{
- SCM s = get_property ("stanza");
-
- if (now_mom () > Moment (0))
- s = get_property ("stz");
-
- if (gh_string_p (s))
+ if (gh_string_p (get_property ("whichBar")))
{
-// if (i.elem_l_->has_interface (symbol ("lyric-syllable-interface")))
- // Tried catching lyric items to generate stanza numbers, but it spoils lyric spacing.
- if (Bar::has_interface (i.elem_l_) || now_mom() == Moment(0))
- // Works, but requires bar_engraver in LyricVoice context apart from at beginning.
- // Is there any score element we can catch that will do the trick?
-// if (! i.elem_l_->has_interface (symbol ("lyric-syllable-interface")) ||
-// now_mom() == Moment(0))
- // What happens if we try anything at all EXCEPT a lyric? Is there anything else?
- // Not sure what it's catching, but it still mucks up lyrics.
+ SCM s = get_property ("stanza");
+
+ if (now_mom () > Moment (0))
+ s = get_property ("stz");
+
+
+ // TODO
+ if (gh_string_p (s) || gh_pair_p (s))
+
+ /*
+ if (i.grob_->internal_has_interface (symbol ("lyric-syllable-interface")))
+
+ Tried catching lyric items to generate stanza numbers, but it
+ spoils lyric spacing.
+
+ Works, but requires bar_engraver in LyricsVoice context apart
+ from at beginning. Is there any score element we can catch
+ that will do the trick?
+
+ What happens if we try anything at all EXCEPT a lyric? Is
+ there anything else? Not sure what it's catching, but it
+ still mucks up lyrics.
+
+ */
+
create_text (s);
}
}
-
void
-Stanza_number_engraver::do_pre_move_processing ()
+Stanza_number_engraver::stop_translation_timestep ()
{
if (text_)
{
- typeset_element (text_);
+ typeset_grob (text_);
text_ = 0;
}
}
void
Stanza_number_engraver::create_text (SCM txt)
{
- if(!text_)
+ if (!text_)
{
text_ = new Item (get_property ("StanzaNumber"));
- text_->set_elt_property ("text", txt);
- announce_element (text_,0);
+ text_->set_grob_property ("text", txt);
+ announce_grob (text_, SCM_EOL);
}
}
+ENTER_DESCRIPTION(Stanza_number_engraver,
+/* descr */ "",
+/* creats*/ "StanzaNumber",
+/* acks */ "",
+/* reads */ "stz stanza",
+/* write */ "");