/*
- text-spanner-engraver.cc -- implement Ottava_spanner_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
- (c) 2000--2004 Han-Wen Nienhuys
+ 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 "protected-scm.hh"
-#include "note-column.hh"
+#include "engraver.hh"
#include "item.hh"
+#include "note-column.hh"
+#include "protected-scm.hh"
#include "side-position-interface.hh"
-#include "engraver.hh"
+#include "spanner.hh"
+#include "text-interface.hh"
class Ottava_spanner_engraver : public Engraver
{
public:
- TRANSLATOR_DECLARATIONS (Ottava_spanner_engraver);
+ TRANSLATOR_DECLARATIONS (Ottava_spanner_engraver);
protected:
virtual void finalize ();
- virtual void acknowledge_grob (Grob_info);
- virtual void process_music ();
- virtual void stop_translation_timestep ();
+
+ DECLARE_ACKNOWLEDGER (note_column);
+
+ void process_music ();
+ void stop_translation_timestep ();
+ virtual void derived_mark () const;
private:
Spanner *span_;
Spanner *finished_;
-
- Protected_scm last_ottavation_;
-
+
+ SCM last_ottavation_;
+
void typeset_all ();
};
+void
+Ottava_spanner_engraver::derived_mark () const
+{
+ scm_gc_mark (last_ottavation_);
+}
Ottava_spanner_engraver::Ottava_spanner_engraver ()
{
finished_ = 0;
- span_ =0;
+ span_ = 0;
last_ottavation_ = SCM_EOL;
}
SCM ott = get_property ("ottavation");
if (ott != last_ottavation_)
{
- finished_= span_;
+ finished_ = span_;
span_ = 0;
- if (gh_string_p (ott))
- {
- span_ = make_spanner ("OttavaBracket");
- span_->set_property ("text", ott);
- announce_grob (span_, SCM_EOL);
-
- SCM c0 (get_property ("centralCPosition"));
- SCM oc0 (get_property ("originalCentralCPosition"));
- if (scm_less_p (oc0, c0) == SCM_BOOL_T)
- span_->set_property ("direction", gh_int2scm (DOWN));
- }
+ if (Text_interface::is_markup (ott))
+ {
+ span_ = make_spanner ("OttavaBracket", SCM_EOL);
+ span_->set_property ("text", ott);
+
+ SCM offset (get_property ("middleCOffset"));
+ if (robust_scm2double (offset, 0) > 0)
+ span_->set_property ("direction", scm_from_int (DOWN));
+ }
}
last_ottavation_ = ott;
}
void
-Ottava_spanner_engraver::acknowledge_grob (Grob_info info)
+Ottava_spanner_engraver::acknowledge_note_column (Grob_info info)
{
- Item *it = dynamic_cast<Item*> (info.grob_);
- if (span_ && it && Note_column::has_interface (info.grob_))
+ Item *it = info.item ();
+ if (span_ && it)
{
Side_position_interface::add_support (span_, it);
if (!span_->get_bound (LEFT))
- span_->set_bound (LEFT, it);
+ span_->set_bound (LEFT, it);
span_->set_bound (RIGHT, it);
}
}
void
Ottava_spanner_engraver::typeset_all ()
-{
+{
if (finished_)
{
- Direction d = LEFT;
- do
- {
- if (!finished_->get_bound (RIGHT))
- {
- Grob* e = unsmob_grob (get_property ("currentMusicalColumn"));
- finished_->set_bound (d, e);
- }
- }
- while (flip (&d) != LEFT);
-
- typeset_grob (finished_);
+ for (LEFT_and_RIGHT (d))
+ {
+ if (!finished_->get_bound (RIGHT))
+ {
+ Grob *e = unsmob_grob (get_property ("currentMusicalColumn"));
+ finished_->set_bound (d, e);
+ }
+ }
+
finished_ = 0;
}
}
{
if (span_ && !span_->get_bound (LEFT))
{
- Grob* e = unsmob_grob (get_property ("currentMusicalColumn"));
+ Grob *e = unsmob_grob (get_property ("currentMusicalColumn"));
span_->set_bound (LEFT, e);
}
last_ottavation_ = SCM_EOL;
}
-ENTER_DESCRIPTION (Ottava_spanner_engraver,
-/* descr */ "Create a text spanner when the ottavation property changes..",
-/* creats*/ "OttavaBracket",
-/* accepts */ "",
-/* acks */ "note-column-interface",
-/* reads */ "ottavation",
-/* write */ "");
+#include "translator.icc"
+
+ADD_ACKNOWLEDGER (Ottava_spanner_engraver, note_column);
+
+ADD_TRANSLATOR (Ottava_spanner_engraver,
+ /* doc */
+ "Create a text spanner when the ottavation property changes.",
+
+ /* create */
+ "OttavaBracket ",
+
+ /* read */
+ "middleCOffset "
+ "ottavation "
+ "currentMusicalColumn ",
+
+ /* write */
+ ""
+ );