source file of the GNU LilyPond music typesetter
- (c) 2000--2001 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2000--2002 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "engraver.hh"
class Voice_devnull_engraver : public Engraver
{
public:
- VIRTUAL_COPY_CONS (Translator);
+ TRANSLATOR_DECLARATIONS(Voice_devnull_engraver);
protected:
virtual bool try_music (Music *m);
virtual void acknowledge_grob (Grob_info);
};
-ADD_THIS_TRANSLATOR (Voice_devnull_engraver);
+
static char const *eat_spanners[] = {
"beam",
"crescendo",
"decrescendo",
+ "rest",
"slur",
0
};
Voice_devnull_engraver::try_music (Music *m)
{
SCM s = get_property ("devNullVoice");
+
#if 0
/* No need */
if (gh_equal_p (s, ly_symbol2scm ("never")))
return;
#endif
- if (gh_equal_p (s, ly_symbol2scm ("allways"))
+ if (gh_equal_p (s, ly_symbol2scm ("always"))
|| (s == SCM_EOL
- && daddy_trans_l_->id_str_.left_str (3) == "two"
+ && daddy_trans_->id_string_.left_string (3) == "two"
&& (to_boolean (get_property ("unison"))
|| to_boolean (get_property ("unisilence")))))
{
return;
#endif
- if (s == ly_symbol2scm ("allways")
+#if 0 /* We used to have have this until 1.5.68. Not sure about
+ soloADue requirement */
+ if (s == ly_symbol2scm ("always")
|| (s == SCM_EOL
- && daddy_trans_l_->id_str_.left_str (3) == "two"
+ && daddy_trans_->id_string_.left_string (3) == "two"
&& (to_boolean (get_property ("unison"))
|| to_boolean (get_property ("unisilence")))))
+#else
+ if (s == ly_symbol2scm ("always")
+ || (s == SCM_EOL
+ && to_boolean (get_property ("soloADue"))
+ && ((daddy_trans_->id_string_.left_string (3) == "two"
+ && (to_boolean (get_property ("unison"))
+ || to_boolean (get_property ("unisilence"))))
+
+ /* Maybe this should be optional? */
+ || to_boolean (get_property ("othersolo")))))
+#endif
+
for (char const **p = junk_interfaces; *p; p++)
- if (i.elem_l_->has_interface (ly_symbol2scm (*p)))
+ if (i.grob_->internal_has_interface (ly_symbol2scm (*p)))
{
-#if 0
- /* Ugh: virtual mmrest::suicide () ? */
- if (i.elem_l_->has_interface (ly_symbol2scm ("multi-measure-rest-interface")))
- i.elem_l_->set_grob_property ("skip-timestep", SCM_BOOL_T);
- else
- ;
-#endif
- /* Ugh, we can suicide them, but they remain living */
- i.elem_l_->suicide ();
+ i.grob_->suicide ();
return;
}
}
+Voice_devnull_engraver::Voice_devnull_engraver(){}
+ENTER_DESCRIPTION(Voice_devnull_engraver,
+/* descr */ "Kill off certain items and spanners if we're Voice `two' and unison or unisilence is set.",
+/* creats*/ "",
+/* acks */ "grob-interface",
+/* reads */ "",
+/* write */ "");