source file of the GNU LilyPond music typesetter
- (c) 1998--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 1998--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "engraver.hh"
Spacings last_spacings_;
DECLARE_ACKNOWLEDGER (item);
+ DECLARE_ACKNOWLEDGER (break_aligned);
void stop_translation_timestep ();
+ void start_translation_timestep ();
+
+ vector<Grob*> break_aligned_;
public:
TRANSLATOR_DECLARATIONS (Separating_line_group_engraver);
};
&& !current_spacings_.staff_spacing_
&& to_boolean (get_property ("createSpacing")))
{
+ Grob *col = unsmob_grob (get_property ("currentCommandColumn"));
+
current_spacings_.staff_spacing_ = make_item ("StaffSpacing", SCM_EOL);
+ context ()->set_property ("hasStaffSpacing", SCM_BOOL_T);
+
+ Pointer_group_interface::add_grob (current_spacings_.staff_spacing_,
+ ly_symbol2scm ("left-items"),
+ col);
if (!last_spacings_.note_spacings_.size ()
&& last_spacings_.staff_spacing_)
}
ga->clear ();
- ga->add (unsmob_grob (get_property ("currentCommandColumn")));
+ ga->add (col);
}
}
}
+void
+Separating_line_group_engraver::acknowledge_break_aligned (Grob_info gi)
+{
+ break_aligned_.push_back (gi.grob ());
+}
+
+void
+Separating_line_group_engraver::start_translation_timestep ()
+{
+ context ()->unset_property (ly_symbol2scm ("hasStaffSpacing"));
+}
+
void
Separating_line_group_engraver::stop_translation_timestep ()
{
+ for (vsize i = 0; i < break_aligned_.size (); i++)
+ {
+ SCM smob = break_aligned_[i]->self_scm ();
+
+ if (Item *sp = current_spacings_.staff_spacing_)
+ Pointer_group_interface::add_grob (sp, ly_symbol2scm ("left-break-aligned"), smob);
+
+ for (vsize j = 0; j < last_spacings_.note_spacings_.size (); j++)
+ Pointer_group_interface::add_grob (last_spacings_.note_spacings_[j],
+ ly_symbol2scm ("right-break-aligned"), smob);
+ }
+
if (!current_spacings_.is_empty ())
last_spacings_ = current_spacings_;
+ if (Item *sp = current_spacings_.staff_spacing_)
+ if (Grob *col = unsmob_grob (get_property ("currentMusicalColumn")))
+ Pointer_group_interface::add_grob (sp, ly_symbol2scm ("right-items"), col);
+
current_spacings_.clear ();
+ break_aligned_.clear ();
}
ADD_ACKNOWLEDGER (Separating_line_group_engraver, item);
+ADD_ACKNOWLEDGER (Separating_line_group_engraver, break_aligned);
+
ADD_TRANSLATOR (Separating_line_group_engraver,
- /* doc */ "Generates objects for computing spacing parameters.",
+ /* doc */
+ "Generate objects for computing spacing parameters.",
+
+ /* create */
+ "StaffSpacing ",
+
+ /* read */
+ "createSpacing ",
- /* create */ "StaffSpacing",
- /* read */ "createSpacing",
- /* write */ ""
+ /* write */
+ "hasStaffSpacing "
);