-/*
- instrument-name-engraver.cc -- implement Instrument_name_engraver
-
+/*
+ instrument-name-engraver.cc -- implement Instrument_name_engraver
+
source file of the GNU LilyPond music typesetter
-
- (c) 2000--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+
+ (c) 2000--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
#include "engraver.hh"
-#include "item.hh"
-#include "bar-line.hh"
-#include "system-start-delimiter.hh"
+#include "pointer-group-interface.hh"
#include "side-position-interface.hh"
-#include "align-interface.hh"
#include "axis-group-interface.hh"
-#include "context.hh"
-#include "text-item.hh"
+#include "align-interface.hh"
+#include "text-interface.hh"
+#include "system.hh"
+
+#include "translator.icc"
class Instrument_name_engraver : public Engraver
{
-
public:
TRANSLATOR_DECLARATIONS (Instrument_name_engraver);
protected:
- Grob *text_;
+ Spanner *text_spanner_;
+
+ SCM long_text_;
+ SCM short_text_;
- virtual void create_text ();
- virtual void initialize ();
- virtual void acknowledge_grob (Grob_info);
- virtual void stop_translation_timestep ();
- virtual void process_music ();
+ vector<Grob*> axis_groups_;
+
+ virtual void finalize ();
+ DECLARE_ACKNOWLEDGER (axis_group);
+ void process_music ();
+ void start_spanner ();
+ void consider_start_spanner ();
+ void stop_spanner ();
};
Instrument_name_engraver::Instrument_name_engraver ()
{
- text_ = 0;
-}
+ text_spanner_ = 0;
+ long_text_ = SCM_EOL;
+ short_text_ = SCM_EOL;
+}
void
-Instrument_name_engraver::initialize ()
+Instrument_name_engraver::process_music ()
{
- context ()->set_property ("instrumentSupport", SCM_EOL);
+ consider_start_spanner ();
}
void
-Instrument_name_engraver::stop_translation_timestep ()
+Instrument_name_engraver::consider_start_spanner ()
{
- if (text_)
+ SCM long_text = get_property ("instrumentName");
+ SCM short_text = get_property ("shortInstrumentName");
+
+ if (!(Text_interface::is_markup (long_text)
+ || Text_interface::is_markup (short_text)))
{
- text_->set_property ("side-support-elements",
- get_property ("instrumentSupport"));
- text_ = 0;
+ long_text = get_property ("vocalName");
+ short_text = get_property ("shortVocalName");
}
-}
+
+ if ((Text_interface::is_markup (long_text)
+ || Text_interface::is_markup (short_text))
+ && (!text_spanner_
+ || short_text_ != short_text
+ || long_text_ != long_text))
+ {
+ if (text_spanner_)
+ stop_spanner ();
+
+
+ short_text_ = short_text;
+ long_text_ = long_text;
+ start_spanner ();
+ }
+}
void
-Instrument_name_engraver::create_text ()
+Instrument_name_engraver::start_spanner ()
{
- if (text_)
- return ;
-
- SCM txt = get_property ("instrument");
-
- if (now_mom () > Moment (0))
- txt = get_property ("instr");
+ 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_);
+
/*
- UGH.
+ UGH, should handle this in Score_engraver.
*/
- if (txt == SCM_EOL)
- return ;
+ Grob *system = unsmob_grob (get_property ("rootSystem"));
+ if (system)
+ Axis_group_interface::add_element (system, text_spanner_);
+ else
+ text_spanner_->programming_error ("cannot find root system");
+}
-
- text_ = make_item ("InstrumentName", SCM_EOL);
-
- if (text_->get_property ("text") != txt)
- text_->set_property ("text", txt);
-
- }
void
-Instrument_name_engraver::acknowledge_grob (Grob_info i)
+Instrument_name_engraver::acknowledge_axis_group (Grob_info info)
{
- if (Bar_line::has_interface (i.grob_))
- {
- create_text ();
- }
-
- if (dynamic_cast<Spanner*> (i.grob_)
- && i.grob_->internal_has_interface (ly_symbol2scm ("dynamic-interface")))
- return;
+ if (dynamic_cast<Spanner *> (info.grob ())
+ && Axis_group_interface::has_axis (info.grob (), Y_AXIS)
- /*
- 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.
+ /* ugh. */
- 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_))
+ && !info.grob ()->internal_has_interface (ly_symbol2scm ("dynamic-interface"))
+ && !info.grob ()->internal_has_interface (ly_symbol2scm ("piano-pedal-interface"))
+ && (!Align_interface::has_interface (info.grob ())))
{
- SCM nl = scm_cons (i.grob_->self_scm (),
- get_property ("instrumentSupport"));
-
- context ()->set_property ("instrumentSupport", nl);
+ axis_groups_.push_back (info.grob ());
}
}
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 (ly_c_string_p (get_property ("whichBar")))
- create_text ();
-}
-
-ENTER_DESCRIPTION (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 ()
+Instrument_name_engraver::finalize ()
{
+ if (text_spanner_)
+ {
+ stop_spanner ();
+ }
}
-
void
-Vocal_name_engraver::create_text ()
+Instrument_name_engraver::stop_spanner ()
{
- if (text_)
- return ;
+ for (vsize i = 0; i < axis_groups_.size (); i++)
+ Pointer_group_interface::add_grob (text_spanner_, ly_symbol2scm ("elements"), axis_groups_[i]);
- 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);
-
-}
+ text_spanner_->set_bound (RIGHT,
+ unsmob_grob (get_property ("currentCommandColumn")));
+ Pointer_group_interface::set_ordered (text_spanner_, ly_symbol2scm ("elements"), false);
+ text_spanner_ = 0;
+}
-ENTER_DESCRIPTION (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 */ "");
+#include "translator.icc"
+
+ADD_ACKNOWLEDGER (Instrument_name_engraver, axis_group);
+
+ADD_TRANSLATOR (Instrument_name_engraver,
+ /* doc */
+ "Create a system start text for instrument or vocal names.",
+
+ /* create */
+ "InstrumentName ",
+
+ /* read */
+ "currentCommandColumn "
+ "shortInstrumentName "
+ "instrumentName "
+ "shortVocalName "
+ "vocalName ",
+
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff