/*
- balloon.cc -- implement Balloon
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2004--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2004--2005 Han-Wen Nienhuys <hanwen@cs.uu.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 "text-item.hh"
+#include "text-interface.hh"
#include "grob.hh"
+#include "item.hh"
#include "line-interface.hh"
#include "lookup.hh"
#include "font-interface.hh"
#include "lily-guile.hh"
#include "output-def.hh"
#include "misc.hh"
+#include "spanner.hh"
class Balloon_interface
{
public:
DECLARE_SCHEME_CALLBACK (print, (SCM));
- static bool has_interface (Grob*);
+ DECLARE_SCHEME_CALLBACK (print_spanner, (SCM));
+ DECLARE_GROB_INTERFACE ();
+
+ static SCM internal_balloon_print (Grob *me, Grob *p, Offset off);
};
MAKE_SCHEME_CALLBACK (Balloon_interface, print, 1);
SCM
-Balloon_interface::print (SCM smob)
+Balloon_interface::print (SCM smob)
+{
+ Grob *me = Grob::unsmob (smob);
+
+ if (Item *item = dynamic_cast<Item *> (me))
+ if (!Item::break_visible (item))
+ return SCM_EOL;
+
+ Grob *p = me->get_parent (X_AXIS);
+
+ Offset off (me->relative_coordinate (p, X_AXIS),
+ me->relative_coordinate (p, Y_AXIS));
+
+ return internal_balloon_print (me, p, off);
+}
+
+MAKE_SCHEME_CALLBACK (Balloon_interface, print_spanner, 1);
+SCM
+Balloon_interface::print_spanner (SCM smob)
{
- Grob *me = unsmob_grob (smob);
+ Spanner *me = Spanner::unsmob (smob);
+ Spanner *orig = dynamic_cast<Spanner *> (me->original ());
- SCM cb = me->get_property ("balloon-original-callback");
- SCM stil = SCM_EOL;
+ if (orig)
+ {
+ Direction spanner_placement = robust_scm2dir (me->get_property ("spanner-placement"), LEFT);
- if (ly_c_procedure_p (cb))
- stil = scm_call_1 (cb, smob);
+ Spanner *wanted = (spanner_placement != RIGHT)
+ ? orig->broken_intos_[0]
+ : orig->broken_intos_.back ();
- if (!unsmob_stencil (stil))
- return stil;
+ if (me != wanted)
+ return SCM_EOL;
+ }
- SCM scm_off = me->get_property ("balloon-text-offset");
+ Spanner *p = dynamic_cast<Spanner *> (me->get_parent (Y_AXIS));
- if (!is_number_pair (scm_off))
- return stil;
+ if (!p)
+ return SCM_EOL;
- Offset off = ly_scm2offset (scm_off);
- Stencil *s = unsmob_stencil (stil);
- Box orig_extent = s->extent_box ();
- Box box_extent = orig_extent;
+ Offset off (me->relative_coordinate (me->get_bound (LEFT), X_AXIS),
+ me->relative_coordinate (p, Y_AXIS));
+ return internal_balloon_print (me, p, off);
+}
- Real w = robust_scm2double (me->get_property ("balloon-padding"), .1);
- box_extent.widen (w, w);
+SCM
+Balloon_interface::internal_balloon_print (Grob *me, Grob *p, Offset off)
+{
+ Box b (p->extent (p, X_AXIS),
+ p->extent (p, Y_AXIS));
+ Real padding = robust_scm2double (me->get_property ("padding"), .1);
+ b.widen (padding, padding);
// FIXME
- Stencil fr = Lookup::frame (box_extent, 0.1, 0.05);
+ Stencil fr;
+ if (to_boolean (me->get_property ("annotation-balloon")))
+ fr = Lookup::frame (b, 0.1, 0.05);
- fr.add_stencil (*s);
-
- SCM bt = me->get_property ("balloon-text");
+ SCM bt = me->get_property ("text");
SCM chain = Font_interface::text_font_alist_chain (me);
- chain = scm_cons (me->get_property ("balloon-text-props"), chain);
-
- SCM text = Text_interface::interpret_markup (me->get_layout ()->self_scm (),
- chain, bt);
+ SCM stencil = Text_interface::interpret_markup (me->layout ()->self_scm (),
+ chain, bt);
+ Stencil *text_stil = Stencil::unsmob (stencil);
- Stencil *text_stil = unsmob_stencil (text);
-
Offset z1;
+
for (int i = X_AXIS; i < NO_AXES; i++)
{
Axis a ((Axis)i);
- z1[a] = box_extent [a].linear_combination (sign (off[a]));
+ z1[a] = b[a].linear_combination (sign (off[a]));
text_stil->align_to (a, -sign (off[a]));
}
Offset z2 = z1 + off;
-
- fr.add_stencil (Line_interface::line (me, z1, z2));
+
+ if (to_boolean (me->get_property ("annotation-line")))
+ fr.add_stencil (Line_interface::line (me, z1, z2));
text_stil->translate (z2);
fr.add_stencil (*text_stil);
-
- fr = Stencil (orig_extent, fr.expr ());
+
+ fr.translate (-off);
return fr.smobbed_copy ();
}
-ADD_INTERFACE (Balloon_interface, "text-balloon-interface",
- "A collection of routines to put text balloons around an object.",
- "balloon-padding balloon-text-props balloon-text-offset balloon-text balloon-original-callback");
+ADD_INTERFACE (Balloon_interface,
+ "A collection of routines to put text balloons around an"
+ " object.",
+
+ /* properties */
+ "annotation-balloon "
+ "annotation-line "
+ "padding "
+ "spanner-placement "
+ "text "
+ );
projects / lilypond.git / blobdiff