Release: bump Welcome versions.

[lilypond.git] / lily / balloon.cc

diff --git a/lily/balloon.cc b/lily/balloon.cc
index 672fb95a4d2e9212d8548617d56124a0495fc637..d8519f6e39345bfd45f8a08dab5e7c0597534bd1 100644 (file)
--- a/lily/balloon.cc
+++ b/lily/balloon.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2004--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 2004--2015 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
@@ -27,99 +27,68 @@
 #include "output-def.hh"
 #include "misc.hh"
 #include "spanner.hh"
-#include "international.hh"
 
 class Balloon_interface
 {
 public:
   DECLARE_SCHEME_CALLBACK (print, (SCM));
   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)
 {
-  Grob *me = unsmob_grob (smob);
+  Grob *me = unsmob<Grob> (smob);
 
-  Grob *p = me->get_parent (X_AXIS);
-  
-  Offset off (me->relative_coordinate (p, X_AXIS),
-             me->relative_coordinate (p, Y_AXIS));
+  if (Item *item = dynamic_cast<Item *> (me))
+    if (!Item::break_visible (item))
+      return SCM_EOL;
 
-  Box b (p->extent (p, X_AXIS),
-        p->extent (p, Y_AXIS));
+  Grob *p = me->get_parent (X_AXIS);
 
-  Real padding = robust_scm2double (me->get_property ("padding"), .1);
-  b.widen (padding, padding);
+  Offset off (me->relative_coordinate (p, X_AXIS),
+              me->relative_coordinate (p, Y_AXIS));
 
-  // FIXME
-  Stencil fr;
-  if (to_boolean (me->get_property ("annotation-balloon")))
-    fr = Lookup::frame (b, 0.1, 0.05);
+  return internal_balloon_print (me, p, off);
+}
 
-  SCM bt = me->get_property ("text");
-  SCM chain = Font_interface::text_font_alist_chain (me);
+MAKE_SCHEME_CALLBACK (Balloon_interface, print_spanner, 1);
+SCM
+Balloon_interface::print_spanner (SCM smob)
+{
+  Spanner *me = unsmob<Spanner> (smob);
+  Spanner *orig = dynamic_cast<Spanner *> (me->original ());
 
-  SCM stencil = Text_interface::interpret_markup (me->layout ()->self_scm (),
-                                                 chain, bt);
+  if (orig)
+    {
+      Direction spanner_placement = robust_scm2dir (me->get_property ("spanner-placement"), LEFT);
 
-  Stencil *text_stil = unsmob_stencil (stencil);
+      Spanner *wanted = (spanner_placement != RIGHT)
+                        ? orig->broken_intos_[0]
+                        : orig->broken_intos_.back ();
 
-  Offset z1;
-  for (int i = X_AXIS; i < NO_AXES; i++)
-    {
-      Axis a ((Axis)i);
-      z1[a] = b[a].linear_combination (sign (off[a]));
-      text_stil->align_to (a, -sign (off[a]));
+      if (me != wanted)
+        return SCM_EOL;
     }
 
-  Offset z2 = z1 + off;
+  Spanner *p = dynamic_cast<Spanner *> (me->get_parent (Y_AXIS));
 
-  if (to_boolean (me->get_property ("annotation-line")))
-    fr.add_stencil (Line_interface::line (me, z1, z2));
+  if (!p)
+    return SCM_EOL;
 
-  text_stil->translate (z2);
-  fr.add_stencil (*text_stil);
-
-  fr.translate (-off);
-  return fr.smobbed_copy ();
+  Offset off (me->relative_coordinate (me->get_bound (LEFT), X_AXIS),
+              me->relative_coordinate (p, Y_AXIS));
+  return internal_balloon_print (me, p, off);
 }
 
-// ugh...code dup...hopefully can be consolidated w/ above one day
-MAKE_SCHEME_CALLBACK (Balloon_interface, print_spanner, 1);
 SCM
-Balloon_interface::print_spanner (SCM smob)
+Balloon_interface::internal_balloon_print (Grob *me, Grob *p, Offset off)
 {
-  Spanner *me = unsmob_spanner (smob);
-  Spanner *parent = unsmob_spanner (me->get_property ("parent-spanner"));
-  Spanner *p;
-  message (_f ("foo %d", robust_scm2int (me->get_property ("spanner-to-annotate"), 0)));
-  message (_f ("bar %d", robust_scm2int (me->broken_intos_[0]->get_property ("spanner-to-annotate"), 0)));
-  if (parent->broken_intos_.size () == 0)
-    p = parent;
-  else
-    p = parent->broken_intos_[robust_scm2int (me->get_property ("spanner-to-annotate"), 0) % parent->broken_intos_.size ()];
-
-  
-  Drul_array<Item *> bounds;
-  Direction d = LEFT;
-  
-  do
-    {
-      bounds[d] = me->get_bound (d);
-    }
-  while (flip (&d) != LEFT);
-  
-  Grob *commonx = bounds[LEFT]->common_refpoint (bounds[RIGHT], X_AXIS);
-
-  Offset off (me->relative_coordinate (commonx, X_AXIS),
-             me->relative_coordinate (p, Y_AXIS));
-  
-  Box b (p->extent (p, X_AXIS),
-        p->extent (p, Y_AXIS));
-
+  Box b (robust_relative_extent (p, p, X_AXIS),
+         robust_relative_extent (p, p, Y_AXIS));
   Real padding = robust_scm2double (me->get_property ("padding"), .1);
   b.widen (padding, padding);
 
@@ -130,13 +99,12 @@ Balloon_interface::print_spanner (SCM smob)
 
   SCM bt = me->get_property ("text");
   SCM chain = Font_interface::text_font_alist_chain (me);
-
   SCM stencil = Text_interface::interpret_markup (me->layout ()->self_scm (),
-                                                 chain, bt);
-
-  Stencil *text_stil = unsmob_stencil (stencil);
+                                                  chain, bt);
+  Stencil *text_stil = unsmob<Stencil> (stencil);
 
   Offset z1;
+
   for (int i = X_AXIS; i < NO_AXES; i++)
     {
       Axis a ((Axis)i);
@@ -157,14 +125,14 @@ Balloon_interface::print_spanner (SCM smob)
 }
 
 ADD_INTERFACE (Balloon_interface,
-              "A collection of routines to put text balloons around an"
-              " object.",
-
-              /* properties */
-              "annotation-balloon "
-              "annotation-line "
-              "padding "
-              "spanner-to-annotate "
-              "text "
-              );
+               "A collection of routines to put text balloons around an"
+               " object.",
+
+               /* properties */
+               "annotation-balloon "
+               "annotation-line "
+               "padding "
+               "spanner-placement "
+               "text "
+              );