Doc-es: various updates.

[lilypond.git] / lily / horizontal-bracket.cc

diff --git a/lily/horizontal-bracket.cc b/lily/horizontal-bracket.cc
index de9ccb32514f3a1fb1b844af1a4efb756b45ca48..b453985b091b6ef31c7ff16f3b6f5110597d6232 100644 (file)
--- a/lily/horizontal-bracket.cc
+++ b/lily/horizontal-bracket.cc
@@ -1,67 +1,66 @@
-/*   
-  horizontal-bracket.cc --  implement  Horizontal_bracket
-
-  source file of the GNU LilyPond music typesetter
+/*
+  This file is part of LilyPond, the GNU music typesetter.
 
-(c) 2002--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  Copyright (C) 2002--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
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
 
-#include "side-position-interface.hh"
-#include "lookup.hh"
-#include "group-interface.hh"
-#include "directional-element-interface.hh"
-#include "output-def.hh"
-#include "staff-symbol-referencer.hh"
-
-struct Horizontal_bracket
-{
-  DECLARE_SCHEME_CALLBACK (print, (SCM));
-  static bool has_interface (Grob*);
-};
+  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/>.
+*/
 
-/*
-  TODO:
+#include "horizontal-bracket.hh"
 
-  This doesn't look very elegant: should support winged edges.
+#include "bracket.hh"
+#include "stencil.hh"
+#include "pointer-group-interface.hh"
+#include "directional-element-interface.hh"
+#include "spanner.hh"
+#include "item.hh"
 
-  Support texts on the brackets?
-*/
 MAKE_SCHEME_CALLBACK (Horizontal_bracket, print, 1);
-
 SCM
 Horizontal_bracket::print (SCM smob)
 {
-  Grob * me = unsmob_grob (smob);
-  Spanner *sp = dynamic_cast<Spanner*> (me);
-  Link_array<Grob> gs = Pointer_group_interface__extract_grobs (me,(Grob*)0, "columns");
+  Spanner *me = unsmob<Spanner> (smob);
+  extract_grob_set (me, "columns", gs);
 
+  vector<Grob *> enclosed = gs;
   if (!gs.size ())
     {
       me->suicide ();
       return SCM_EOL;
     }
-  Grob * cx = common_refpoint_of_array (gs, me, X_AXIS);
-  cx = cx->common_refpoint (sp->get_bound (LEFT), X_AXIS);
-  cx = cx->common_refpoint (sp->get_bound (RIGHT),X_AXIS);
-
-  Interval ext = gs.top ()->extent (cx, X_AXIS);
-  ext.unite (gs[0]->extent (cx, X_AXIS));
 
-  Direction d = get_grob_direction (me);
-
-  Real thickness = Staff_symbol_referencer::line_thickness (me);
-  thickness *= robust_scm2double (me->get_property ("thickness"), 1.0);
-  
-  Stencil b = Lookup::bracket (X_AXIS, ext, thickness, - d* 1.0, thickness/2); 
-  
-  b.translate_axis ( - sp->get_bound (LEFT)->relative_coordinate (cx, X_AXIS), X_AXIS);
+  for (LEFT_and_RIGHT (d))
+    {
+      Item *b = me->get_bound (d);
+      if (b->break_status_dir ())
+        enclosed.push_back (b);
+    }
 
-  return b.smobbed_copy ();  
+  Stencil b = Bracket::make_enclosing_bracket (me, me, enclosed, X_AXIS,
+                                               get_grob_direction (me));
+  return b.smobbed_copy ();
 }
 
-ADD_INTERFACE (Horizontal_bracket,"horizontal-bracket-interface",
-  "A horizontal bracket encompassing notes.",
-  "thickness columns direction");
+ADD_INTERFACE (Horizontal_bracket,
+               "A horizontal bracket encompassing notes.",
+
+               /* properties */
+               "bracket-flare "
+               "bracket-text "
+               "columns "
+               "edge-height "
+               "shorten-pair "
+               "connect-to-neighbor "
+              );