-
/*
- 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--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "engraver.hh"
-#include "item.hh"
-#include "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-item.hh"
class Instrument_name_engraver : public Engraver
{
- Item *text_;
- System_start_delimiter * delim_ ;
-
- void create_text (SCM s);
+
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_;
-ADD_THIS_TRANSLATOR(Instrument_name_engraver);
+ virtual void create_text ();
+ virtual void initialize ();
+ virtual void acknowledge_grob (Grob_info);
+ virtual void stop_translation_timestep ();
+ virtual void process_music ();
+};
Instrument_name_engraver::Instrument_name_engraver ()
{
text_ = 0;
- delim_ =0;
}
+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_)
{
- text_->add_offset_callback (Side_position_interface::centered_on_parent,
- Y_AXIS);
-
- typeset_element (text_);
+ text_->set_property ("side-support-elements",
+ get_property ("instrumentSupport"));
text_ = 0;
}
}
void
-Instrument_name_engraver::create_text (SCM txt)
+Instrument_name_engraver::create_text ()
{
- if(!text_)
- {
- text_ = new Item (get_property ("basicInstrumentNameProperties"));
- text_->set_elt_property ("text", txt);
-
- /*
- TODO: use more lispish names for break-align-symbols
- */
- if (delim_)
- text_->set_parent (delim_, Y_AXIS);
+ if (text_)
+ return ;
+
+ SCM txt = get_property ("instrument");
+
+ if (now_mom () > Moment (0))
+ txt = get_property ("instr");
+ /*
+ UGH.
+ */
+ if (txt == SCM_EOL)
+ return ;
- announce_element (Score_element_info (text_,0));
- }
+
+ 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_grob (Grob_info i)
{
- SCM s = get_property ("instrument");
-
- if (now_mom () > Moment (0))
- s = get_property ("instr");
-
- if (gh_string_p (s))
+ if (Bar_line::has_interface (i.grob_))
{
- if (Bar* b= dynamic_cast<Bar*> (i.elem_l_))
- {
- create_text (s);
- }
+ create_text ();
}
- if (dynamic_cast <System_start_delimiter*> (i.elem_l_)
- && i.origin_trans_l_->daddy_trans_l_ == daddy_trans_l_)
+ /*
+ Ugh - typechecking for pedal and dynamic sucks.
+ */
+ if (dynamic_cast<Spanner*> (i.grob_)
+ && (i.grob_->internal_has_interface (ly_symbol2scm ("dynamic-interface"))
+ || i.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*> (i.grob_)
+ && ((Axis_group_interface::has_interface (i.grob_)
+ && Axis_group_interface::has_axis (i.grob_, Y_AXIS)))
+ && !Align_interface::has_interface (i.grob_))
{
- delim_ = dynamic_cast<System_start_delimiter*> (i.elem_l_);
+ SCM nl = scm_cons (i.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")))
+ create_text ();
+}
+
+ADD_TRANSLATOR (Instrument_name_engraver,
+/* descr */ " Prints the name of the instrument (specified by "
+" @code{Staff.instrument} and @code{Staff.instr}) "
+"at the left of the staff. ",
+/* creats*/ "InstrumentName",
+/* accepts */ "",
+/* acks */ "bar-line-interface axis-group-interface",
+/* reads */ "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_TRANSLATOR (Vocal_name_engraver,
+/* descr */ " Prints the name of the a lyric voice (specified by "
+" @code{Staff.vocalName} and @code{Staff.vocNam}) "
+"at the left of the staff. ",
+/* creats*/ "VocalName",
+/* accepts */ "",
+/* acks */ "bar-line-interface axis-group-interface",
+/* reads */ "vocNam vocalName",
+/* write */ "");
projects / lilypond.git / blobdiff