/*
breathing_sign-engraver.cc -- implement Breathing_sign_engraver
- Copyright (C) 1999 Michael Krause
+ (c) 1999--2006 Michael Krause
written for the GNU LilyPond music typesetter
-TODO:
+ TODO:
. Cancel any beams running through the breathing sign
- ([e8 \breathe f e f] should become [e8] \breathe [f e f])
+ ([e8 \breathe f e f] should become [e8] \breathe [f e f])
. Spacing is not yet completely pretty
-
*/
#include "staff-symbol-referencer.hh"
#include "breathing-sign.hh"
-#include "musical-request.hh"
-#include "command-request.hh"
-#include "engraver-group-engraver.hh"
+#include "engraver-group.hh"
#include "item.hh"
-#include "engraver.hh"
-#include "command-request.hh"
-class Breathing_sign_engraver : public Engraver {
+class Breathing_sign_engraver : public Engraver
+{
public:
- Breathing_sign_engraver ();
- VIRTUAL_COPY_CONS (Translator);
-
+ TRANSLATOR_DECLARATIONS (Breathing_sign_engraver);
+
protected:
- virtual bool try_music (Music *req_l);
- virtual void create_grobs ();
- virtual void stop_translation_timestep ();
- virtual void start_translation_timestep ();
+ virtual bool try_music (Music *event);
+ void process_acknowledged ();
+ void stop_translation_timestep ();
private:
- Breathing_sign_req * breathing_sign_req_l_;
- Grob * breathing_sign_p_;
+ Music *breathing_sign_event_;
+ Grob *breathing_sign_;
};
Breathing_sign_engraver::Breathing_sign_engraver ()
{
- breathing_sign_p_ = 0;
- breathing_sign_req_l_ = 0;
+ breathing_sign_ = 0;
+ breathing_sign_event_ = 0;
}
bool
-Breathing_sign_engraver::try_music (Music*r_l)
+Breathing_sign_engraver::try_music (Music *r)
{
- if (Breathing_sign_req * b= dynamic_cast <Breathing_sign_req *> (r_l))
- {
- breathing_sign_req_l_ = b;
- return true;
- }
-
- return false;
+ breathing_sign_event_ = r;
+ return true;
}
void
-Breathing_sign_engraver::create_grobs ()
+Breathing_sign_engraver::process_acknowledged ()
{
- if (breathing_sign_req_l_ && ! breathing_sign_p_)
+ if (breathing_sign_event_ && ! breathing_sign_)
{
- SCM b = get_property ("BreathingSign");
- breathing_sign_p_ = new Item (b);
-
- Breathing_sign::set_interface (breathing_sign_p_);
-
- announce_grob (breathing_sign_p_, breathing_sign_req_l_);
- breathing_sign_req_l_ = 0;
+ breathing_sign_ = make_item ("BreathingSign", breathing_sign_event_->self_scm ());
+ breathing_sign_event_ = 0;
}
}
-void
+void
Breathing_sign_engraver::stop_translation_timestep ()
{
- if (breathing_sign_p_)
- {
- typeset_grob (breathing_sign_p_);
- breathing_sign_p_ = 0;
- }
+ breathing_sign_ = 0;
+ breathing_sign_event_ = 0;
}
-void
-Breathing_sign_engraver::start_translation_timestep ()
-{
- breathing_sign_req_l_ = 0;
-}
+#include "translator.icc"
-ADD_THIS_TRANSLATOR (Breathing_sign_engraver);
+ADD_TRANSLATOR (Breathing_sign_engraver,
+ /* doc */ "",
+ /* create */ "BreathingSign",
+ /* accept */ "breathing-event",
+ /* read */ "",
+ /* write */ "");