-/*
- 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--2003 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 "translator-group.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
{
- Item *text_;
- Grob *delim_ ;
-
- void create_text ();
public:
- TRANSLATOR_DECLARATIONS(Instrument_name_engraver);
+ TRANSLATOR_DECLARATIONS (Instrument_name_engraver);
- virtual void initialize ();
- virtual void acknowledge_grob (Grob_info);
- virtual void stop_translation_timestep ();
- virtual void process_music ();
-};
+protected:
+ Spanner *text_spanner_;
+ SCM long_text_;
+ SCM short_text_;
+ 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;
- delim_ =0;
-}
-
+ text_spanner_ = 0;
-void
-Instrument_name_engraver::initialize ()
-{
- daddy_trans_->set_property ("instrumentSupport", SCM_EOL);
+ long_text_ = SCM_EOL;
+ short_text_ = SCM_EOL;
}
void
-Instrument_name_engraver::stop_translation_timestep ()
+Instrument_name_engraver::process_music ()
{
- if (text_)
- {
- text_->set_grob_property ("side-support-elements",
- get_property ("instrumentSupport"));
- typeset_grob (text_);
- text_ = 0;
- }
+ consider_start_spanner ();
}
void
-Instrument_name_engraver::create_text ()
+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)))
{
- SCM txt = get_property ("instrument");
+ long_text = get_property ("vocalName");
+ short_text = get_property ("shortVocalName");
+ }
- if (now_mom () > Moment (0))
- txt = get_property ("instr");
-
- if (!new_markup_p (txt))
- return ;
-
- text_ = new Item (get_property ("InstrumentName"));
-
- if (text_->get_grob_property ("text") != txt)
- text_->set_grob_property ("text", txt);
+ 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 ();
- if (new_markup_p (txt))
- text_->set_grob_property ("molecule-callback", new_markup_brewer());
- if (delim_)
- text_->set_parent (delim_, Y_AXIS);
-
- announce_grob (text_, SCM_EOL);
+ short_text_ = short_text;
+ long_text_ = long_text;
+
+ start_spanner ();
}
}
void
-Instrument_name_engraver::acknowledge_grob (Grob_info i)
+Instrument_name_engraver::start_spanner ()
{
- 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;
+ 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_);
/*
- 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.
+ UGH, should handle this in Score_engraver.
*/
- if (dynamic_cast<Spanner*> (i.grob_)
- && ((Axis_group_interface::has_interface (i.grob_)
- && Axis_group_interface::axis_b (i.grob_, Y_AXIS)))
- && !Align_interface::has_interface (i.grob_))
+ 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");
+}
+
+
+void
+Instrument_name_engraver::acknowledge_axis_group (Grob_info info)
+{
+ if (dynamic_cast<Spanner *> (info.grob ())
+ && Axis_group_interface::has_axis (info.grob (), Y_AXIS)
+
+ /* ugh. */
+
+ && !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 = gh_cons (i.grob_->self_scm (),
- get_property ("instrumentSupport"));
+ axis_groups_.push_back (info.grob ());
+ }
+}
- daddy_trans_->set_property ("instrumentSupport", nl);
+void
+Instrument_name_engraver::finalize ()
+{
+ if (text_spanner_)
+ {
+ stop_spanner ();
}
}
void
-Instrument_name_engraver::process_music ()
+Instrument_name_engraver::stop_spanner ()
{
- /*
- Also create text if barlines in other groups. This allows
- a name to be attached to lyrics or chords.
- */
- if (gh_string_p (get_property ("whichBar")))
- create_text();
+ for (vsize i = 0; i < axis_groups_.size (); i++)
+ Pointer_group_interface::add_grob (text_spanner_, ly_symbol2scm ("elements"), axis_groups_[i]);
+
+ 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(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 */ "");
+#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