/*
- semi-tie.cc -- implement Semi_tie
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "semi-tie-column.hh"
#include "semi-tie.hh"
#include "directional-element-interface.hh"
#include "grob.hh"
+#include "paper-column.hh"
#include "tie.hh"
#include "warn.hh"
#include "staff-symbol-referencer.hh"
-ADD_INTERFACE(Semi_tie,
-
- "A tie which is only on one side connected to note heads. ",
+ADD_INTERFACE (Semi_tie,
+ "A tie which is only connected to a note head on one side."
+ "\n"
+ "The following properties may be set in the @code{details}"
+ " list:\n"
+ "\n"
+ "@table @code\n"
+ "@item height-limit\n"
+ "Maximum tie height: The longer the tie, the closer it is"
+ " to this height.\n"
+ "@item ratio\n"
+ "Parameter for tie shape. The higher this number, the"
+ " quicker the tie attains its @code{height-limit}.\n"
+ "@end table\n",
- /* properties */
- "control-points "
- "direction "
- "details "
- "note-head "
- "thickness "
- );
+ /* properties */
+ "control-points "
+ "direction "
+ "details "
+ "head-direction "
+ "note-head "
+ "thickness "
+ );
-MAKE_SCHEME_CALLBACK(Semi_tie, calc_control_points, 1)
+MAKE_SCHEME_CALLBACK (Semi_tie, calc_control_points, 1)
SCM
Semi_tie::calc_control_points (SCM smob)
{
- Grob *me = unsmob_grob (smob);
+ Item *me = LY_ASSERT_SMOB(Item, smob, 1);
+
(void) me->get_property ("direction");
-
- if (Semi_tie_column::has_interface (me->get_parent (Y_AXIS)))
- {
- me->get_parent (Y_AXIS)->get_property ("positioning-done");
- }
- else
+
+ Grob *yparent = me->get_parent (Y_AXIS);
+ if (has_interface<Semi_tie_column> (yparent))
{
- programming_error ("lv tie without Semi_tie_column. Killing lv tie.");
- me->suicide ();
+ /* trigger positioning. */
+ yparent->get_property ("positioning-done");
+
+ return me->get_property_data ("control-points");
}
-
- return SCM_UNSPECIFIED;
+
+ programming_error ("lv tie without Semi_tie_column. Killing lv tie.");
+ me->suicide ();
+ return SCM_EOL;
}
int
-Semi_tie::get_position (Grob *me)
+Semi_tie::get_column_rank (Item *me)
{
- Grob *h = unsmob_grob (me->get_object ("note-head"));
- return (int) rint (Staff_symbol_referencer::get_position (h));
+ return Paper_column::get_rank (me->get_column ());
+}
+
+int
+Semi_tie::get_position (Item *me)
+{
+ return (int) rint (Staff_symbol_referencer::get_position (head (me)));
}
bool
-Semi_tie::less (Grob *const &s1,
- Grob *const &s2)
+Semi_tie::less (Grob *g1, Grob *g2)
+{
+ Item *i1 = dynamic_cast<Item *> (g1);
+ if (!i1)
+ {
+ g1->programming_error ("grob is not a semi-tie");
+ return false;
+ }
+
+ Item *i2 = dynamic_cast<Item *> (g2);
+ if (!i2)
+ {
+ g2->programming_error ("grob is not a semi-tie");
+ return true;
+ }
+
+ return get_position (i1) < get_position (i2);
+}
+
+Item *
+Semi_tie::head (Item *me)
{
- return get_position (s1) < get_position (s2);
+ return unsmob<Item> (me->get_object ("note-head"));
}
-