/*
- text-spanner-engraver.cc -- implement Text_spanner_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2000--2015 Jan Nieuwenhuizen <janneke@gnu.org>
- (c) 2000--2007 Jan Nieuwenhuizen <janneke@gnu.org>
+ 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 "engraver.hh"
#include "international.hh"
#include "note-column.hh"
+#include "pointer-group-interface.hh"
#include "side-position-interface.hh"
#include "spanner.hh"
#include "stream-event.hh"
TRANSLATOR_DECLARATIONS (Text_spanner_engraver);
protected:
virtual void finalize ();
- DECLARE_ACKNOWLEDGER (note_column);
- DECLARE_TRANSLATOR_LISTENER (text_span);
+ void listen_text_span (Stream_event *);
+ void acknowledge_note_column (Grob_info);
void stop_translation_timestep ();
void process_music ();
void typeset_all ();
};
-Text_spanner_engraver::Text_spanner_engraver ()
+Text_spanner_engraver::Text_spanner_engraver (Context *c)
+ : Engraver (c)
{
finished_ = 0;
current_event_ = 0;
span_ = 0;
- event_drul_[START] = 0;
- event_drul_[STOP] = 0;
+ event_drul_.set (0, 0);
}
-IMPLEMENT_TRANSLATOR_LISTENER (Text_spanner_engraver, text_span);
void
Text_spanner_engraver::listen_text_span (Stream_event *ev)
{
if (event_drul_[STOP])
{
if (!span_)
- event_drul_[STOP]->origin ()->warning (_ ("cannot find start of text spanner"));
+ event_drul_[STOP]->origin ()->warning (_ ("cannot find start of text spanner"));
else
- {
- finished_ = span_;
- span_ = 0;
- current_event_ = 0;
- }
+ {
+ finished_ = span_;
+ announce_end_grob (finished_, SCM_EOL);
+ span_ = 0;
+ current_event_ = 0;
+ }
}
if (event_drul_[START])
{
if (current_event_)
- event_drul_[START]->origin ()->warning (_ ("already have a text spanner"));
+ event_drul_[START]->origin ()->warning (_ ("already have a text spanner"));
else
- {
- current_event_ = event_drul_[START];
- span_ = make_spanner ("TextSpanner", event_drul_[START]->self_scm ());
-
- Side_position_interface::set_axis (span_, Y_AXIS);
- event_drul_[START] = 0;
- }
- }
-}
-
-void
-Text_spanner_engraver::acknowledge_note_column (Grob_info info)
-{
- Spanner *spans[2] ={span_, finished_};
- for (int i = 0; i < 2; i++)
- {
- if (spans[i])
- {
- Side_position_interface::add_support (spans[i], info.grob ());
- add_bound_item (spans[i], info.grob ());
- }
+ {
+ current_event_ = event_drul_[START];
+ span_ = make_spanner ("TextSpanner", event_drul_[START]->self_scm ());
+ if (Direction d = to_dir (current_event_->get_property ("direction")))
+ span_->set_property ("direction", scm_from_int (d));
+
+ Side_position_interface::set_axis (span_, Y_AXIS);
+ event_drul_[START] = 0;
+ }
}
}
if (finished_)
{
if (!finished_->get_bound (RIGHT))
- {
- Grob *e = unsmob_grob (get_property ("currentMusicalColumn"));
- finished_->set_bound (RIGHT, e);
- }
+ {
+ Grob *e = unsmob<Grob> (get_property ("currentMusicalColumn"));
+ finished_->set_bound (RIGHT, 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);
}
typeset_all ();
- event_drul_[START] = 0;
- event_drul_[STOP] = 0;
+ event_drul_.set (0, 0);
}
void
}
}
-ADD_ACKNOWLEDGER (Text_spanner_engraver, note_column);
+void
+Text_spanner_engraver::acknowledge_note_column (Grob_info info)
+{
+ if (span_)
+ {
+ Pointer_group_interface::add_grob (span_,
+ ly_symbol2scm ("note-columns"),
+ info.grob ());
+ if (!span_->get_bound (LEFT))
+ add_bound_item (span_, info.grob ());
+ }
+ else if (finished_)
+ {
+ Pointer_group_interface::add_grob (finished_,
+ ly_symbol2scm ("note-columns"),
+ info.grob ());
+ if (!finished_->get_bound (RIGHT))
+ add_bound_item (finished_, info.grob ());
+ }
+}
+
+
+void
+Text_spanner_engraver::boot ()
+{
+ ADD_LISTENER (Text_spanner_engraver, text_span);
+ ADD_ACKNOWLEDGER (Text_spanner_engraver, note_column);
+}
+
ADD_TRANSLATOR (Text_spanner_engraver,
- /* doc */ "Create text spanner from an event.",
- /* create */ "TextSpanner",
- /* read */ "",
- /* write */ "");
+ /* doc */
+ "Create text spanner from an event.",
+
+ /* create */
+ "TextSpanner ",
+
+ /* read */
+ "currentMusicalColumn ",
+
+ /* write */
+ ""
+ );