source file of the GNU LilyPond music typesetter
- (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "engraver.hh"
#include "note-column.hh"
#include "slur.hh"
#include "spanner.hh"
-#include "tie.hh"
+#include "stream-event.hh"
#include "warn.hh"
+#include "translator.icc"
+
+
+/*
+ NOTE NOTE NOTE
+
+ This is largely similar to Phrasing_slur_engraver. Check if fixes
+ apply there too.
+
+ (on principle, engravers don't use inheritance for code sharing)
+
+ */
+
/*
It is possible that a slur starts and ends on the same note. At
least, it is for phrasing slurs: a note can be both beginning and
*/
class Slur_engraver : public Engraver
{
- Drul_array<Music *> events_;
- Music *running_slur_start_;
+ Drul_array<Stream_event *> events_;
+ Stream_event *running_slur_start_;
vector<Grob*> slurs_;
vector<Grob*> end_slurs_;
void set_melisma (bool);
protected:
- virtual bool try_music (Music *);
-
+ DECLARE_TRANSLATOR_LISTENER (slur);
DECLARE_ACKNOWLEDGER (accidental);
- DECLARE_ACKNOWLEDGER (dynamic_line_spanner);
DECLARE_ACKNOWLEDGER (fingering);
DECLARE_ACKNOWLEDGER (note_column);
DECLARE_ACKNOWLEDGER (script);
DECLARE_ACKNOWLEDGER (text_script);
DECLARE_ACKNOWLEDGER (tie);
DECLARE_ACKNOWLEDGER (tuplet_number);
+
void acknowledge_extra_object (Grob_info);
void stop_translation_timestep ();
- virtual void finalize ();
void process_music ();
+ virtual void finalize ();
+
+
public:
TRANSLATOR_DECLARATIONS (Slur_engraver);
};
events_[START] = events_[STOP] = 0;
}
-bool
-Slur_engraver::try_music (Music *m)
-{
- if (m->is_mus_type ("slur-event"))
- {
- Direction d = to_dir (m->get_property ("span-direction"));
- if (d == START)
- {
- events_[START] = m;
- return true;
- }
- else if (d == STOP)
- {
- events_[STOP] = m;
- return true;
- }
- }
- return false;
+IMPLEMENT_TRANSLATOR_LISTENER (Slur_engraver, slur);
+void
+Slur_engraver::listen_slur (Stream_event *ev)
+{
+ Direction d = to_dir (ev->get_property ("span-direction"));
+ if (d == START)
+ ASSIGN_EVENT_ONCE (events_[START], ev);
+ else if (d == STOP)
+ ASSIGN_EVENT_ONCE (events_[STOP], ev);
+ else ev->origin ()->warning (_f ("direction of %s invalid: %d",
+ "slur-event", int (d)));
}
void
void
Slur_engraver::acknowledge_extra_object (Grob_info info)
{
- if (slurs_.empty () && end_slurs_.empty ())
- return ;
-
- Grob *e = info.grob ();
- SCM avoid = e->get_property ("avoid-slur");
- if (Tie::has_interface (e)
- || avoid == ly_symbol2scm ("inside"))
- {
- for (vsize i = slurs_.size (); i--;)
- Slur::add_extra_encompass (slurs_[i], e);
- for (vsize i = end_slurs_.size (); i--;)
- Slur::add_extra_encompass (end_slurs_[i], e);
- }
- else if (avoid == ly_symbol2scm ("outside")
- || avoid == ly_symbol2scm ("around"))
- {
- Grob *slur = slurs_.size () ? slurs_[0] : 0;
- slur = (end_slurs_.size () && !slur)
- ? end_slurs_[0] : slur;
-
- if (slur)
- {
- chain_offset_callback (e, Slur::outside_slur_callback_proc, Y_AXIS);
- e->set_object ("slur", slur->self_scm ());
- }
- }
- else
- e->warning ("Ignoring grob for slur. avoid-slur not set?");
+ Slur::auxiliary_acknowledge_extra_object (info, slurs_, end_slurs_);
}
void
acknowledge_extra_object (info);
}
-void
-Slur_engraver::acknowledge_dynamic_line_spanner (Grob_info info)
-{
- acknowledge_extra_object (info);
-}
-
void
Slur_engraver::acknowledge_fingering (Grob_info info)
{
Slur_engraver::finalize ()
{
if (slurs_.size ())
- slurs_[0]->warning (_ ("unterminated slur"));
+ {
+ slurs_[0]->warning (_ ("unterminated slur"));
+ for (vsize i = 0; i < slurs_.size (); i++)
+ slurs_[i]->suicide ();
+ }
}
void
if (events_[STOP])
{
if (slurs_.size () == 0)
- events_[STOP]->origin ()->warning (_ ("can't end slur"));
+ events_[STOP]->origin ()->warning (_ ("cannot end slur"));
+
end_slurs_ = slurs_;
slurs_.clear ();
}
if (events_[START] && slurs_.empty ())
{
- Music *ev = events_[START];
+ Stream_event *ev = events_[START];
bool double_slurs = to_boolean (get_property ("doubleSlurs"));
void
Slur_engraver::stop_translation_timestep ()
{
+ if (Grob *g = unsmob_grob (get_property ("currentCommandColumn")))
+ {
+ for (vsize i = 0; i < end_slurs_.size (); i++)
+ Slur::add_extra_encompass (end_slurs_[i], g);
+
+ if (!events_[START])
+ for (vsize i = 0; i < slurs_.size (); i++)
+ Slur::add_extra_encompass (slurs_[i], g);
+ }
+
+
+ for (vsize i = 0; i < end_slurs_.size (); i++)
+ {
+ Spanner * s = dynamic_cast<Spanner*> (end_slurs_[i]);
+ if (!s->get_bound (RIGHT))
+ s->set_bound (RIGHT, unsmob_grob (get_property ("currentMusicalColumn")));
+ announce_end_grob (s, SCM_EOL);
+ }
end_slurs_.clear ();
events_[START] = events_[STOP] = 0;
}
-#include "translator.icc"
-
ADD_ACKNOWLEDGER (Slur_engraver, accidental);
-ADD_ACKNOWLEDGER (Slur_engraver, dynamic_line_spanner);
ADD_ACKNOWLEDGER (Slur_engraver, fingering);
ADD_ACKNOWLEDGER (Slur_engraver, note_column);
ADD_ACKNOWLEDGER (Slur_engraver, script);
ADD_ACKNOWLEDGER (Slur_engraver, tie);
ADD_ACKNOWLEDGER (Slur_engraver, tuplet_number);
ADD_TRANSLATOR (Slur_engraver,
- /* doc */ "Build slur grobs from slur events",
- /* create */ "Slur",
- /* accept */ "slur-event",
- /* read */ "slurMelismaBusy doubleSlurs",
- /* write */ "");
+ /* doc */
+ "Build slur grobs from slur events.",
+
+ /* create */
+ "Slur ",
+
+ /* read */
+ "slurMelismaBusy "
+ "doubleSlurs ",
+
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff