/*
- instrument-name-engraver.cc -- implement Instrument_name_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2000--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2000--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
+#include "align-interface.hh"
+#include "axis-group-interface.hh"
#include "engraver.hh"
-#include "spanner.hh"
+#include "page-layout-problem.hh"
#include "pointer-group-interface.hh"
#include "side-position-interface.hh"
-#include "axis-group-interface.hh"
-#include "align-interface.hh"
-#include "text-interface.hh"
#include "system.hh"
+#include "text-interface.hh"
#include "translator.icc"
protected:
Spanner *text_spanner_;
+ SCM long_text_;
+ SCM short_text_;
+
+ vector<Grob *> axis_groups_;
+ vector<Grob *> backup_axis_groups_;
+
virtual void finalize ();
DECLARE_ACKNOWLEDGER (axis_group);
void process_music ();
+ void start_spanner ();
+ void consider_start_spanner ();
+ void stop_spanner ();
+
+ virtual void derived_mark () const;
};
+void
+Instrument_name_engraver::derived_mark () const
+{
+ scm_gc_mark (long_text_);
+ scm_gc_mark (short_text_);
+}
+
Instrument_name_engraver::Instrument_name_engraver ()
{
text_spanner_ = 0;
+
+ long_text_ = SCM_EOL;
+ short_text_ = SCM_EOL;
}
void
Instrument_name_engraver::process_music ()
{
- if (!text_spanner_)
+ consider_start_spanner ();
+}
+
+void
+Instrument_name_engraver::consider_start_spanner ()
+{
+ 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 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");
- }
-
- 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);
- }
+ 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::start_spanner ()
+{
+ 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, should handle this in Score_engraver.
+ */
+ 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 (text_spanner_
- && dynamic_cast<Spanner *> (info.grob ())
+ 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"))
+ && !info.grob ()->internal_has_interface (ly_symbol2scm ("volta-interface"))
&& (!Align_interface::has_interface (info.grob ())))
{
- Grob *staff = info.grob();
- Pointer_group_interface::add_grob (text_spanner_, ly_symbol2scm ("elements"), staff);
+ if (Page_layout_problem::is_spaceable (info.grob ()))
+ axis_groups_.push_back (info.grob ());
+ else
+ // By default, don't include non-spaceable staves in the
+ // support of an instrument name. However, if the only staves
+ // are non-spaceable, we'll fall back to using them.
+ backup_axis_groups_.push_back (info.grob ());
}
}
Instrument_name_engraver::finalize ()
{
if (text_spanner_)
- {
- text_spanner_->set_bound (RIGHT,
- unsmob_grob (get_property ("currentCommandColumn")));
+ stop_spanner ();
+}
- Pointer_group_interface::set_ordered (text_spanner_, ly_symbol2scm ("elements"), false);
+void
+Instrument_name_engraver::stop_spanner ()
+{
+ if (axis_groups_.empty ())
+ axis_groups_ = backup_axis_groups_;
- System *system = get_root_system (text_spanner_);
+ for (vsize i = 0; i < axis_groups_.size (); i++)
+ Pointer_group_interface::add_grob (text_spanner_,
+ ly_symbol2scm ("elements"),
+ axis_groups_[i]);
- /*
- 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");
- }
-}
+ text_spanner_->set_bound (RIGHT,
+ unsmob_grob (get_property ("currentCommandColumn")));
-#include "translator.icc"
+ Pointer_group_interface::set_ordered (text_spanner_,
+ ly_symbol2scm ("elements"),
+ false);
+
+ text_spanner_ = 0;
+}
ADD_ACKNOWLEDGER (Instrument_name_engraver, axis_group);
ADD_TRANSLATOR (Instrument_name_engraver,
-
- /* doc */
- "Creates a system start text for instrument or vocal names.",
-
- /* create */
- "InstrumentName ",
-
- /* accept */
- "",
-
- /* read */
- "vocNam vocalName instrument instr "
- "currentCommandColumn",
-
- /* write */ "");
+ /* doc */
+ "Create a system start text for instrument or vocal names.",
+
+ /* create */
+ "InstrumentName ",
+
+ /* read */
+ "currentCommandColumn "
+ "instrumentName "
+ "shortInstrumentName "
+ "shortVocalName "
+ "vocalName ",
+
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff