source file of the GNU LilyPond music typesetter
- (c) 1997--2004 Jan Nieuwenhuizen <janneke@gnu.org>
- */
+ (c) 1997--2005 Jan Nieuwenhuizen <janneke@gnu.org>
+*/
-#include "translator-group.hh"
#include "warn.hh"
#include "audio-column.hh"
#include "audio-item.hh"
#include "context.hh"
/** Perform a staff. Individual notes should have their instrument
- (staff-wide) set, so we override play_element ()
-
- */
-class Staff_performer : public Performer_group_performer
+ (staff-wide) set, so we override play_element ()
+*/
+class Staff_performer : public Performer_group_performer
{
public:
TRANSLATOR_DECLARATIONS (Staff_performer);
String instrument_string_;
protected:
- virtual void play_element (Audio_element* p);
+ virtual void play_element (Audio_element *p);
virtual void finalize ();
virtual void initialize ();
virtual void create_audio_elements ();
virtual void stop_translation_timestep ();
private:
- Audio_staff* audio_staff_;
- Audio_instrument* instrument_;
- Audio_text* instrument_name_;
- Audio_text* name_;
- Audio_tempo* tempo_;
+ Audio_staff *audio_staff_;
+ Audio_instrument *instrument_;
+ Audio_text *instrument_name_;
+ Audio_text *name_;
+ Audio_tempo *tempo_;
};
-ENTER_DESCRIPTION (Staff_performer, "", "",
- "",
- "", "", "");
+ADD_TRANSLATOR (Staff_performer, "", "",
+ "",
+ "", "", "");
Staff_performer::Staff_performer ()
{
audio_staff_ = new Audio_staff;
announce_element (Audio_element_info (audio_staff_, 0));
- name_ = new Audio_text (Audio_text::TRACK_NAME, get_parent_context ()->id_string_);
+ name_ = new Audio_text (Audio_text::TRACK_NAME, context ()->id_string ());
announce_element (Audio_element_info (name_, 0));
tempo_ = new Audio_tempo (get_tempo ());
/*
Have to be here before notes arrive into the staff.
- */
+ */
play_element (instrument_);
play_element (instrument_name_);
}
void
Staff_performer::stop_translation_timestep ()
{
- SCM proc = ly_scheme_function ("percussion?");
-
+ SCM proc = ly_lily_module_constant ("percussion?");
+
SCM drums = scm_call_1 (proc, ly_symbol2scm (instrument_string_.to_str0 ()));
- audio_staff_->channel_ = (drums == SCM_BOOL_T ? 9 : -1 );
+ audio_staff_->channel_ = (drums == SCM_BOOL_T ? 9 : -1);
if (name_)
{
play_element (name_);
audio_staff_ = 0;
}
-String
-Staff_performer::new_instrument_string ()
-{
+String
+Staff_performer::new_instrument_string ()
+{
// mustn't ask Score for instrument: it will return piano!
SCM minstr = get_property ("midiInstrument");
- if (!ly_c_string_p (minstr)
+ if (!scm_is_string (minstr)
|| ly_scm2string (minstr) == instrument_string_)
return "";
return instrument_string_;
}
-void
-Staff_performer::play_element (Audio_element* p)
+void
+Staff_performer::play_element (Audio_element *p)
{
- if (Audio_item *ai = dynamic_cast<Audio_item *> (p))
+ if (Audio_item *ai = dynamic_cast<Audio_item *> (p))
{
audio_staff_->add_audio_item (ai);
}