-/*
- new-staff-margin-engraver.cc -- implement Instrument_name_engraver
-
+/*
+ instrument-name-engraver.cc -- implement Instrument_name_engraver
+
source file of the GNU LilyPond music typesetter
-
- (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+
+ (c) 2000--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
#include "engraver.hh"
-#include "text-item.hh"
-#include "bar.hh"
-#include "span-bar.hh"
+#include "bar-line.hh"
+#include "system-start-delimiter.hh"
+#include "side-position-interface.hh"
+#include "align-interface.hh"
+#include "axis-group-interface.hh"
+#include "context.hh"
+#include "text-interface.hh"
+#include "grob-array.hh"
+
+#include "translator.icc"
class Instrument_name_engraver : public Engraver
{
- Text_item *text_;
-
- void create_text (SCM s);
+ bool first_;
public:
- VIRTUAL_COPY_CONS(Translator);
- Instrument_name_engraver ();
+ TRANSLATOR_DECLARATIONS (Instrument_name_engraver);
- virtual void acknowledge_element (Score_element_info);
- virtual void do_pre_move_processing ();
-};
+protected:
+ Grob *text_;
+
+ virtual void create_text ();
+ virtual void initialize ();
-ADD_THIS_TRANSLATOR(Instrument_name_engraver);
+ DECLARE_ACKNOWLEDGER (bar_line);
+ DECLARE_ACKNOWLEDGER (axis_group);
+
+ void stop_translation_timestep ();
+ void process_music ();
+};
Instrument_name_engraver::Instrument_name_engraver ()
{
text_ = 0;
+ first_ = true;
}
+void
+Instrument_name_engraver::initialize ()
+{
+ context ()->set_property ("instrumentSupport", SCM_EOL);
+}
void
-Instrument_name_engraver::do_pre_move_processing ()
+Instrument_name_engraver::stop_translation_timestep ()
{
if (text_)
{
- typeset_element (text_);
+ text_->set_object ("side-support-elements",
+ grob_list_to_grob_array (get_property ("instrumentSupport")));
text_ = 0;
}
+
+ first_ = false;
}
void
-Instrument_name_engraver::create_text (SCM txt)
+Instrument_name_engraver::create_text ()
{
- if(!text_)
- {
- text_ = new Text_item;
- text_->set_elt_property ("text", txt);
- text_->set_elt_property ("breakable", SCM_BOOL_T);
-
- /*
- TODO: use more lispish names for break-align-symbols
- */
- text_->set_elt_property ("break-align-symbol", ly_symbol2scm ("Instrument_name"));
- text_->set_elt_property ("visibility-lambda",
- scm_eval (ly_symbol2scm ("begin-of-line-visible")));
-
- announce_element (Score_element_info (text_,0));
- }
+ if (text_)
+ return;
+
+ SCM txt = get_property ("instrument");
+
+ if (now_mom () > Moment (0))
+ txt = get_property ("instr");
+ /*
+ UGH.
+ */
+ if (txt == SCM_EOL)
+ return;
+
+ text_ = make_item ("InstrumentName", SCM_EOL);
+
+ if (text_->get_property ("text") != txt)
+ text_->set_property ("text", txt);
}
void
-Instrument_name_engraver::acknowledge_element (Score_element_info i)
+Instrument_name_engraver::acknowledge_bar_line (Grob_info info)
{
- SCM s = get_property ("instrument");
-
- if (now_mom () > Moment (0))
- s = get_property ("instr");
+ (void) info;
+ create_text ();
+}
- if (gh_string_p (s))
+void
+Instrument_name_engraver::acknowledge_axis_group (Grob_info info)
+{
+ /*
+ Ugh - typechecking for pedal and dynamic sucks.
+ */
+ if (dynamic_cast<Spanner *> (info.grob ())
+ && (info.grob ()->internal_has_interface (ly_symbol2scm ("dynamic-interface"))
+ || info.grob ()->internal_has_interface (ly_symbol2scm ("piano-pedal-interface"))))
+ return;
+
+ /*
+ Hang the instrument names on the staves, but not on the alignment
+ groups enclosing that staff. The alignment has no real location,
+ but is only a vehicle for the placement routine it contains, and
+ therefore the location of its refpoint won't be very useful.
+
+ We could also just use stavesFound, but lets keep this working
+ without staffs as well.
+ */
+ if (dynamic_cast<Spanner *> (info.grob ())
+ && ((Axis_group_interface::has_interface (info.grob ())
+ && Axis_group_interface::has_axis (info.grob (), Y_AXIS)))
+ && !Align_interface::has_interface (info.grob ()))
{
- if (Bar* b= dynamic_cast<Bar*> (i.elem_l_))
- {
- create_text (s);
- if (Span_bar* s= dynamic_cast<Span_bar*> (b))
- {
- text_->set_parent (s, Y_AXIS);
- }
- }
+ SCM nl = scm_cons (info.grob ()->self_scm (),
+ get_property ("instrumentSupport"));
+
+ context ()->set_property ("instrumentSupport", nl);
}
}
+void
+Instrument_name_engraver::process_music ()
+{
+ /*
+ Also create text if barlines in other groups. This allows
+ a name to be attached to lyrics or chords.
+ */
+ if (scm_is_string (get_property ("whichBar"))
+ || first_)
+ create_text ();
+}
+
+#include "translator.icc"
+
+ADD_ACKNOWLEDGER (Instrument_name_engraver, bar_line);
+ADD_ACKNOWLEDGER (Instrument_name_engraver, axis_group);
+
+ADD_TRANSLATOR (Instrument_name_engraver,
+ /* doc */ " Prints the name of the instrument (specified by "
+ " @code{Staff.instrument} and @code{Staff.instr}) "
+ "at the left of the staff. ",
+ /* create */ "InstrumentName",
+ /* accept */ "",
+ /* read */ "instrument instr",
+ /* write */ "");
+
+/****************************************************************/
+
+class Vocal_name_engraver : public Instrument_name_engraver
+{
+public:
+ TRANSLATOR_DECLARATIONS (Vocal_name_engraver);
+ virtual void create_text ();
+};
+
+Vocal_name_engraver::Vocal_name_engraver ()
+{
+}
+
+void
+Vocal_name_engraver::create_text ()
+{
+ if (text_)
+ return;
+
+ SCM txt = get_property ("vocalName");
+
+ if (now_mom () > Moment (0))
+ txt = get_property ("vocNam");
+
+ /*
+ UGH.
+ */
+ if (txt == SCM_EOL)
+ return;
+ text_ = make_item ("VocalName", SCM_EOL);
+ if (text_->get_property ("text") != txt)
+ text_->set_property ("text", txt);
+}
+ADD_ACKNOWLEDGER (Vocal_name_engraver, bar_line);
+ADD_ACKNOWLEDGER (Vocal_name_engraver, axis_group);
+ADD_TRANSLATOR (Vocal_name_engraver,
+ /* doc */ " Prints the name of the a lyric voice (specified by "
+ " @code{Staff.vocalName} and @code{Staff.vocNam}) "
+ "at the left of the staff. ",
+ /* create */ "VocalName",
+ /* accept */ "",
+ /* read */ "vocNam vocalName",
+ /* write */ "");
projects / lilypond.git / blobdiff