source file of the GNU LilyPond music typesetter
- (c) 2000--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 2000--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "engraver.hh"
-#include "bar-line.hh"
-#include "system-start-delimiter.hh"
+#include "spanner.hh"
+#include "pointer-group-interface.hh"
#include "side-position-interface.hh"
-#include "align-interface.hh"
#include "axis-group-interface.hh"
-#include "context.hh"
+#include "align-interface.hh"
#include "text-interface.hh"
-#include "grob-array.hh"
+#include "system.hh"
#include "translator.icc"
class Instrument_name_engraver : public Engraver
{
- bool first_;
public:
TRANSLATOR_DECLARATIONS (Instrument_name_engraver);
protected:
- Grob *text_;
-
- virtual void create_text ();
- virtual void initialize ();
+ Spanner *text_spanner_;
- DECLARE_ACKNOWLEDGER(bar_line);
- DECLARE_ACKNOWLEDGER(axis_group);
-
- PRECOMPUTED_VIRTUAL void stop_translation_timestep ();
- PRECOMPUTED_VIRTUAL void process_music ();
-
+ virtual void finalize ();
+ DECLARE_ACKNOWLEDGER (axis_group);
+ void process_music ();
};
Instrument_name_engraver::Instrument_name_engraver ()
{
- text_ = 0;
- first_ = true;
-}
-
-void
-Instrument_name_engraver::initialize ()
-{
- context ()->set_property ("instrumentSupport", SCM_EOL);
+ text_spanner_ = 0;
}
void
-Instrument_name_engraver::stop_translation_timestep ()
+Instrument_name_engraver::process_music ()
{
- if (text_)
+ if (!text_spanner_)
{
- text_->set_object ("side-support-elements",
- grob_list_to_grob_array (get_property ("instrumentSupport")));
- text_ = 0;
- }
+ SCM long_text = get_property ("instrument");
+ SCM short_text = get_property ("instr");
+
+ if (!(Text_interface::is_markup (long_text)
+ || Text_interface::is_markup (short_text)))
+ {
+ long_text = get_property ("vocalName");
+ short_text = get_property ("vocNam");
+ }
- first_ = false;
+ if (Text_interface::is_markup (long_text)
+ || Text_interface::is_markup (short_text))
+ {
+ text_spanner_ = make_spanner ("InstrumentName", SCM_EOL);
+
+ Grob *col = unsmob_grob (get_property ("currentCommandColumn"));
+ text_spanner_->set_bound (LEFT, col);
+ text_spanner_->set_property ("text", short_text);
+ text_spanner_->set_property ("long-text", long_text);
+ }
+ }
}
void
-Instrument_name_engraver::create_text ()
+Instrument_name_engraver::acknowledge_axis_group (Grob_info info)
{
- 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);
+ if (text_spanner_
+ && dynamic_cast<Spanner *> (info.grob ())
+ && Axis_group_interface::has_axis (info.grob (), Y_AXIS)
+ && (!Align_interface::has_interface (info.grob ())))
+ {
+ Grob *staff = info.grob();
+ Pointer_group_interface::add_grob (text_spanner_, ly_symbol2scm ("elements"), staff);
+ Side_position_interface::add_support (text_spanner_, staff);
+ }
}
void
-Instrument_name_engraver::acknowledge_bar_line (Grob_info i)
+Instrument_name_engraver::finalize ()
{
- (void)i;
- create_text ();
-}
+ if (text_spanner_)
+ {
+ text_spanner_->set_bound (RIGHT,
+ unsmob_grob (get_property ("currentCommandColumn")));
+ Pointer_group_interface::set_ordered (text_spanner_, ly_symbol2scm ("elements"), false);
-void
-Instrument_name_engraver::acknowledge_axis_group (Grob_info i)
-{
- /*
- 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 ()))
- {
- SCM nl = scm_cons (i.grob ()->self_scm (),
- get_property ("instrumentSupport"));
+ System *system = get_root_system (text_spanner_);
- context ()->set_property ("instrumentSupport", nl);
+ /*
+ UGH, should handle this in Score_engraver.
+ */
+ if (system)
+ Axis_group_interface::add_element (system, text_spanner_);
+ else
+ text_spanner_->programming_error ("can't find root system");
}
}
-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, axis_group);
-ADD_ACKNOWLEDGER(Instrument_name_engraver, bar_line);
-ADD_ACKNOWLEDGER(Instrument_name_engraver, axis_group);
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);
-}
+ /* doc */
+ "Creates a system start text for instrument or vocal names.",
+
+ /* create */
+ "InstrumentName ",
+
+ /* accept */
+ "",
+
+ /* read */
+ "vocNam vocalName instrument instr "
+ "currentCommandColumn",
-ADD_ACKNOWLEDGER(Vocal_name_engraver, bar_line);
-ADD_ACKNOWLEDGER(Vocal_name_engraver, axis_group);
-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 */ "",
- /* reads */ "vocNam vocalName",
/* write */ "");
projects / lilypond.git / blobdiff