source file of the GNU LilyPond music typesetter
- (c) 2000--2005 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2000--2006 Jan Nieuwenhuizen <janneke@gnu.org>
*/
+#include "engraver.hh"
+
+#include "international.hh"
#include "note-column.hh"
#include "side-position-interface.hh"
-#include "engraver.hh"
class Text_spanner_engraver : public Engraver
{
TRANSLATOR_DECLARATIONS (Text_spanner_engraver);
protected:
virtual void finalize ();
- virtual void acknowledge_grob (Grob_info);
+ DECLARE_ACKNOWLEDGER (note_column);
virtual bool try_music (Music *);
- virtual void stop_translation_timestep ();
- virtual void process_music ();
+ void stop_translation_timestep ();
+ void process_music ();
private:
Spanner *span_;
Spanner *finished_;
- Music *current_req_;
- Drul_array<Music *> req_drul_;
+ Music *current_event_;
+ Drul_array<Music *> event_drul_;
void typeset_all ();
};
Text_spanner_engraver::Text_spanner_engraver ()
{
finished_ = 0;
- current_req_ = 0;
+ current_event_ = 0;
span_ = 0;
- req_drul_[START] = 0;
- req_drul_[STOP] = 0;
+ event_drul_[START] = 0;
+ event_drul_[STOP] = 0;
}
bool
if (m->is_mus_type ("text-span-event"))
{
Direction d = to_dir (m->get_property ("span-direction"));
- req_drul_[d] = m;
+ event_drul_[d] = m;
return true;
}
void
Text_spanner_engraver::process_music ()
{
- if (req_drul_[STOP])
+ if (event_drul_[STOP])
{
if (!span_)
- {
- req_drul_[STOP]->origin ()->warning (_ ("can't find start of text spanner"));
- }
+ event_drul_[STOP]->origin ()->warning (_ ("can't find start of text spanner"));
else
{
finished_ = span_;
span_ = 0;
- current_req_ = 0;
+ current_event_ = 0;
}
}
- if (req_drul_[START])
+ if (event_drul_[START])
{
- if (current_req_)
- {
- req_drul_[START]->origin ()->warning (_ ("already have a text spanner"));
- }
+ if (current_event_)
+ event_drul_[START]->origin ()->warning (_ ("already have a text spanner"));
else
{
- current_req_ = req_drul_[START];
- span_ = make_spanner ("TextSpanner", req_drul_[START]->self_scm ());
+ current_event_ = event_drul_[START];
+ span_ = make_spanner ("TextSpanner", event_drul_[START]->self_scm ());
Side_position_interface::set_axis (span_, Y_AXIS);
- req_drul_[START] = 0;
+ event_drul_[START] = 0;
}
}
}
void
-Text_spanner_engraver::acknowledge_grob (Grob_info info)
+Text_spanner_engraver::acknowledge_note_column (Grob_info info)
{
Spanner *spans[2] ={span_, finished_};
for (int i = 0; i < 2; i++)
{
- if (spans[i] && Note_column::has_interface (info.grob ()))
+ if (spans[i])
{
Side_position_interface::add_support (spans[i], info.grob ());
add_bound_item (spans[i], dynamic_cast<Item *> (info.grob ()));
}
typeset_all ();
- req_drul_[START] = 0;
- req_drul_[STOP] = 0;
+ event_drul_[START] = 0;
+ event_drul_[STOP] = 0;
}
void
typeset_all ();
if (span_)
{
- current_req_->origin ()->warning (_ ("unterminated text spanner"));
+ current_event_->origin ()->warning (_ ("unterminated text spanner"));
span_->suicide ();
span_ = 0;
}
}
+#include "translator.icc"
+ADD_ACKNOWLEDGER (Text_spanner_engraver, note_column);
ADD_TRANSLATOR (Text_spanner_engraver,
- /* descr */ "Create text spanner from a Music.",
- /* creats*/ "TextSpanner",
- /* accepts */ "text-span-event",
- /* acks */ "note-column-interface",
- /* reads */ "",
+ /* doc */ "Create text spanner from a Music.",
+ /* create */ "TextSpanner",
+ /* accept */ "text-span-event",
+ /* read */ "",
/* write */ "");