source file of the GNU LilyPond music typesetter
- (c) 1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "dot-column-engraver.hh"
+
#include "rhythmic-head.hh"
#include "dot-column.hh"
+#include "side-position-interface.hh"
+#include "engraver.hh"
+#include "stem.hh"
+
+class Dot_column_engraver : public Engraver
+{
+ Grob *dotcol_ ;
+ Grob * stem_;
+ Link_array<Item> heads_;
+public:
+ TRANSLATOR_DECLARATIONS(
+ Dot_column_engraver );
+
+protected:
+ virtual void acknowledge_grob (Grob_info);
+ virtual void stop_translation_timestep ();
+};
+
Dot_column_engraver::Dot_column_engraver ()
{
- dotcol_p_ =0;
+ dotcol_ =0;
+ stem_ = 0;
}
void
-Dot_column_engraver::do_pre_move_processing ()
+Dot_column_engraver::stop_translation_timestep ()
{
- if (dotcol_p_)
+ if (dotcol_)
{
- typeset_element (dotcol_p_);
- dotcol_p_ =0;
+
+ /*
+ Add the stem to the support so dots stay clear of flags.
+
+ See [Ross, p 171]
+ */
+ if (stem_)
+ dotcol_->set_grob_property ("stem", stem_->self_scm ());
+
+ typeset_grob (dotcol_);
+ dotcol_ =0;
}
- head_l_arr_.clear ();
+ heads_.clear ();
+ stem_ =0;
}
void
-Dot_column_engraver::acknowledge_element (Score_element_info info)
+Dot_column_engraver::acknowledge_grob (Grob_info info)
{
- Item * i=info.elem_l_->access_Item ();
-
- if (! (i && i->is_type_b (Rhythmic_head::static_name ())))
- return;
-
- Rhythmic_head * h = (Rhythmic_head*)i;
-
- if (!h->dots_l_)
- return;
+ Grob *d = unsmob_grob (info.grob_->get_grob_property ("dot"));
+ if (d)
+ {
+ if (!dotcol_)
+ {
+ dotcol_ = make_item ("DotColumn");
+ announce_grob(dotcol_, SCM_EOL);
+ }
- if (!dotcol_p_)
+ Dot_column::add_head (dotcol_, info.grob_);
+ }
+ else if (Stem::has_interface (info.grob_))
{
- dotcol_p_ = new Dot_column;
- announce_element (Score_element_info (dotcol_p_, 0));
+ stem_ = info.grob_;
}
-
- dotcol_p_->add_head (h);
}
-ADD_THIS_TRANSLATOR(Dot_column_engraver);
-IMPLEMENT_IS_TYPE_B1(Dot_column_engraver,Engraver);
+
+
+ENTER_DESCRIPTION(Dot_column_engraver,
+/* descr */ " Engraves dots on dotted notes shifted to the right of the note.\n"
+"If omitted, then dots appear on top of the notes.",
+/* creats*/ "DotColumn",
+/* accepts */ "",
+/* acks */ "rhythmic-head-interface dot-column-interface stem-interface",
+/* reads */ "",
+/* write */ "");