/*
- side-position-interface.cc -- implement Side_position_interface
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1998--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1998--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 "side-position-interface.hh"
#include <cmath> // ceil.
#include <algorithm>
+
using namespace std;
-#include "note-head.hh"
-#include "warn.hh"
+#include "axis-group-interface.hh"
+#include "directional-element-interface.hh"
+#include "grob.hh"
+#include "grob-array.hh"
#include "main.hh"
-#include "staff-symbol-referencer.hh"
+#include "misc.hh"
+#include "note-head.hh"
#include "pointer-group-interface.hh"
-#include "directional-element-interface.hh"
#include "staff-symbol-referencer.hh"
#include "staff-symbol.hh"
+#include "stem.hh"
#include "string-convert.hh"
-#include "misc.hh"
+#include "system.hh"
+#include "warn.hh"
void
Side_position_interface::add_support (Grob *me, Grob *e)
Pointer_group_interface::add_unordered_grob (me, ly_symbol2scm ("side-support-elements"), e);
}
-Direction
-Side_position_interface::get_direction (Grob *me)
-{
- Direction relative_dir = Direction (1);
- SCM reldir = me->get_property ("side-relative-direction");
- if (is_direction (reldir))
- relative_dir = to_dir (reldir);
-
- SCM other_elt = me->get_object ("direction-source");
- Grob *e = unsmob_grob (other_elt);
- if (e)
- return (Direction) (relative_dir * get_grob_direction (e));
-
- return CENTER;
-}
-
/* Put the element next to the support, optionally taking in
account the extent of the support.
dim.unite (staff_extents);
}
+ Direction dir = get_grob_direction (me);
+
for (vsize i = 0; i < support.size (); i++)
{
Grob *e = support[i];
+
+ // In the case of a stem, we will find a note head as well
+ // ignoring the stem solves cyclic dependencies if the stem is
+ // attached to a cross-staff beam.
+ if (a == Y_AXIS
+ && Stem::has_interface (e)
+ && dir == - get_grob_direction (e))
+ continue;
+
if (e)
- if (use_extents)
- dim.unite (e->maybe_pure_extent (common, a, pure, start, end));
- else
- {
- Real x = e->maybe_pure_coordinate (common, a, pure, start, end);
- dim.unite (Interval (x, x));
- }
+ {
+ if (use_extents)
+ dim.unite (e->maybe_pure_extent (common, a, pure, start, end));
+ else
+ {
+ Real x = e->maybe_pure_coordinate (common, a, pure, start, end);
+ dim.unite (Interval (x, x));
+ }
+ }
}
if (dim.is_empty ())
dim = Interval (0, 0);
- Direction dir = get_grob_direction (me);
-
Real off = me->get_parent (a)->maybe_pure_coordinate (common, a, pure, start, end);
Real minimum_space = ss * robust_scm2double (me->get_property ("minimum-space"), -1);
}
-MAKE_SCHEME_CALLBACK_WITH_OPTARGS (Side_position_interface, x_aligned_side, 2, 1);
+MAKE_SCHEME_CALLBACK_WITH_OPTARGS (Side_position_interface, x_aligned_side, 2, 1, "");
SCM
Side_position_interface::x_aligned_side (SCM smob, SCM current_off)
{
return axis_aligned_side_helper (smob, X_AXIS, false, 0, 0, current_off);
}
-MAKE_SCHEME_CALLBACK_WITH_OPTARGS (Side_position_interface, y_aligned_side, 2, 1);
+MAKE_SCHEME_CALLBACK_WITH_OPTARGS (Side_position_interface, y_aligned_side, 2, 1, "");
SCM
Side_position_interface::y_aligned_side (SCM smob, SCM current_off)
{
return axis_aligned_side_helper (smob, Y_AXIS, false, 0, 0, current_off);
}
-MAKE_SCHEME_CALLBACK_WITH_OPTARGS (Side_position_interface, pure_y_aligned_side, 4, 1);
+MAKE_SCHEME_CALLBACK_WITH_OPTARGS (Side_position_interface, pure_y_aligned_side, 4, 1, "");
SCM
Side_position_interface::pure_y_aligned_side (SCM smob, SCM start, SCM end, SCM cur_off)
{
cur_off);
}
+MAKE_SCHEME_CALLBACK (Side_position_interface, calc_cross_staff, 1)
+SCM
+Side_position_interface::calc_cross_staff (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+ extract_grob_set (me, "side-support-elements", elts);
+
+ for (vsize i = 0; i < elts.size (); i++)
+ if (to_boolean (elts[i]->get_property ("cross-staff")))
+ return SCM_BOOL_T;
+
+ Grob *common = common_refpoint_of_array (elts, me->get_parent (Y_AXIS), Y_AXIS);
+ return scm_from_bool (common != me->get_parent (Y_AXIS));
+}
+
SCM
Side_position_interface::aligned_side (Grob *me, Axis a, bool pure, int start, int end,
Real *current_off)
Real rounded = directed_round (position, dir);
Grob *head = me->get_parent (X_AXIS);
- if (fabs (position) <= 2 * Staff_symbol_referencer::staff_radius (me) + 1
+ if (fabs (position) <= 2 * Staff_symbol_referencer::staff_radius (me) + 1
+ /* In case of a ledger lines, quantize even if we're outside the staff. */
|| (Note_head::has_interface (head)
- && sign (Staff_symbol_referencer::get_position (head)) == - dir))
+
+ && abs (Staff_symbol_referencer::get_position (head)) > abs (position)))
{
o += (rounded - position) * 0.5 * ss;
if (Staff_symbol_referencer::on_line (me, int (rounded)))
o += dir * 0.5 * ss;
}
}
- else if (scm_is_number (me->get_property ("staff-padding")))
+ else if (scm_is_number (me->get_property ("staff-padding")) && dir)
{
Interval iv = me->maybe_pure_extent (me, a, pure, start, end);
- Real padding
+ Real padding
= Staff_symbol_referencer::staff_space (me)
* scm_to_double (me->get_property ("staff-padding"));
a);
}
}
+
Axis
Side_position_interface::get_axis (Grob *me)
{
if (scm_is_number (me->get_property ("side-axis")))
return Axis (scm_to_int (me->get_property ("side-axis")));
- me->programming_error ("side-axis not set.");
+ string msg = String_convert::form_string ("side-axis not set for grob %s.",
+ me->name ().c_str ());
+ me->programming_error (msg);
return NO_AXES;
}
-ADD_INTERFACE (Side_position_interface, "side-position-interface",
- "Position a victim object (this one) next to other objects (the "
- "support). The property @code{direction} signifies where to put the "
- "victim object relative to the support (left or right, up or down?)\n\n "
- "The routine also takes the size the staff into account if "
- "@code{staff-padding} is set. If undefined, the staff symbol is ignored.",
+MAKE_SCHEME_CALLBACK (Side_position_interface, move_to_extremal_staff, 1);
+SCM
+Side_position_interface::move_to_extremal_staff (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+ System *sys = dynamic_cast<System*> (me->get_system ());
+ Direction dir = get_grob_direction (me);
+ if (dir != DOWN)
+ dir = UP;
+
+ Interval iv = me->extent (sys, X_AXIS);
+ iv.widen (1.0);
+ Grob *top_staff = sys->get_extremal_staff (dir, iv);
+
+ if (!top_staff)
+ return SCM_BOOL_F;
+
+ // Only move this grob if it is a direct child of the system. We
+ // are not interested in moving marks from other staves to the top
+ // staff; we only want to move marks from the system to the top
+ // staff.
+ if (sys != me->get_parent (Y_AXIS))
+ return SCM_BOOL_F;
+
+ me->set_parent (top_staff, Y_AXIS);
+ me->flush_extent_cache (Y_AXIS);
+ Axis_group_interface::add_element (top_staff, me);
+
+ // Remove any cross-staff side-support dependencies
+ Grob_array *ga = unsmob_grob_array (me->get_object ("side-support-elements"));
+ if (ga)
+ {
+ vector<Grob*> const& elts = ga->array ();
+ vector<Grob*> new_elts;
+ for (vsize i = 0; i < elts.size (); ++i)
+ {
+ if (me->common_refpoint (elts[i], Y_AXIS) == top_staff)
+ new_elts.push_back (elts[i]);
+ }
+ ga->set_array (new_elts);
+ }
+ return SCM_BOOL_T;
+}
+
+
+ADD_INTERFACE (Side_position_interface,
+ "Position a victim object (this one) next to other objects"
+ " (the support). The property @code{direction} signifies where"
+ " to put the victim object relative to the support (left or"
+ " right, up or down?)\n"
+ "\n"
+ "The routine also takes the size of the staff into account if"
+ " @code{staff-padding} is set. If undefined, the staff symbol"
+ " is ignored.",
/* properties */
"direction "
- "direction-source "
"minimum-space "
"padding "
"quantize-position "
"side-axis "
- "side-relative-direction "
"side-support-elements "
"slur-padding "
"staff-padding "
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