/*
- clef-engraver.cc -- implement Clef_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Mats Bengtsson <matsb@s3.kth.se>
- (c) 1997--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.
- Mats Bengtsson <matsb@s3.kth.se>
+ 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 <cctype>
+using namespace std;
+#include "item.hh"
#include "context.hh"
-#include "bar-line.hh"
#include "staff-symbol-referencer.hh"
#include "engraver.hh"
#include "direction.hh"
#include "side-position-interface.hh"
#include "translator.icc"
+#include "lily-imports.hh"
class Clef_engraver : public Engraver
{
public:
TRANSLATOR_DECLARATIONS (Clef_engraver);
- Direction octave_dir_;
-
protected:
- PRECOMPUTED_VIRTUAL void stop_translation_timestep ();
- PRECOMPUTED_VIRTUAL void process_music ();
- DECLARE_ACKNOWLEDGER(bar_line);
+ void stop_translation_timestep ();
+ void process_music ();
+ void acknowledge_bar_line (Grob_info);
+
+ virtual void derived_mark () const;
private:
Item *clef_;
- Item *octavate_;
+ Item *modifier_;
SCM prev_glyph_;
SCM prev_cpos_;
- SCM prev_octavation_;
+ SCM prev_transposition_;
void create_clef ();
void set_glyph ();
void inspect_clef_properties ();
};
-Clef_engraver::Clef_engraver ()
+void
+Clef_engraver::derived_mark () const
+{
+ scm_gc_mark (prev_transposition_);
+ scm_gc_mark (prev_cpos_);
+ scm_gc_mark (prev_glyph_);
+}
+
+Clef_engraver::Clef_engraver (Context *c)
+ : Engraver (c)
{
clef_ = 0;
- octave_dir_ = CENTER;
- octavate_ = 0;
+ modifier_ = 0;
/*
will trigger a clef at the start since #f != ' ()
*/
- prev_cpos_ = prev_glyph_ = SCM_BOOL_F;
+ prev_transposition_ = prev_cpos_ = prev_glyph_ = SCM_BOOL_F;
}
void
Clef_engraver::set_glyph ()
{
- SCM glyph_sym = ly_symbol2scm ("glyph-name");
- SCM glyph = get_property ("clefGlyph");
-
+ SCM glyph_sym = ly_symbol2scm ("glyph");
SCM basic = ly_symbol2scm ("Clef");
execute_pushpop_property (context (), basic, glyph_sym, SCM_UNDEFINED);
- execute_pushpop_property (context (), basic, glyph_sym, glyph);
+ execute_pushpop_property (context (), basic, glyph_sym, get_property ("clefGlyph"));
}
/**
void
Clef_engraver::acknowledge_bar_line (Grob_info info)
{
- Item *item = dynamic_cast<Item *> (info.grob ());
+ Item *item = info.item ();
if (item && scm_is_string (get_property ("clefGlyph")))
- {
- create_clef ();
- }
+ create_clef ();
}
void
SCM cpos = get_property ("clefPosition");
if (scm_is_number (cpos))
- clef_->set_property ("staff-position", cpos);
-
- SCM oct = get_property ("clefOctavation");
- if (scm_is_number (oct) && scm_to_int (oct))
- {
- Item *g = make_item ("OctavateEight", SCM_EOL);
-
- int abs_oct = scm_to_int (oct);
- int dir = sign (abs_oct);
- abs_oct = abs (abs_oct) + 1;
-
- SCM txt = scm_number_to_string (scm_int2num (abs_oct),
- scm_from_int (10));
-
- g->set_property ("text",
- scm_list_n (ly_lily_module_constant ("vcenter-markup"),
- txt, SCM_UNDEFINED));
- Side_position_interface::add_support (g, clef_);
-
- g->set_parent (clef_, Y_AXIS);
- g->set_parent (clef_, X_AXIS);
- g->set_property ("direction", scm_int2num (dir));
- octavate_ = g;
- }
+ clef_->set_property ("staff-position", cpos);
+
+ SCM transp = get_property ("clefTransposition");
+ if (scm_is_number (transp) && scm_to_int (transp))
+ {
+ Item *g = make_item ("ClefModifier", SCM_EOL);
+
+ int abs_transp = scm_to_int (transp);
+ int dir = sign (abs_transp);
+ abs_transp = abs (abs_transp) + 1;
+
+ SCM txt = scm_number_to_string (scm_from_int (abs_transp),
+ scm_from_int (10));
+
+ SCM style = get_property ("clefTranspositionStyle");
+
+ SCM formatter = get_property ("clefTranspositionFormatter");
+ if (ly_is_procedure (formatter))
+ g->set_property ("text", scm_call_2 (formatter, txt, style));
+
+ Side_position_interface::add_support (g, clef_);
+
+ g->set_parent (clef_, Y_AXIS);
+ g->set_parent (clef_, X_AXIS);
+ g->set_property ("direction", scm_from_int (dir));
+ modifier_ = g;
+ }
}
}
void
inspect_clef_properties ();
}
+static void apply_on_children (Context *context, SCM fun)
+{
+ scm_call_1 (fun, context->self_scm ());
+ for (SCM s = context->children_contexts ();
+ scm_is_pair (s); s = scm_cdr (s))
+ apply_on_children (unsmob<Context> (scm_car (s)), fun);
+}
+
void
Clef_engraver::inspect_clef_properties ()
{
SCM glyph = get_property ("clefGlyph");
SCM clefpos = get_property ("clefPosition");
- SCM octavation = get_property ("clefOctavation");
+ SCM transposition = get_property ("clefTransposition");
SCM force_clef = get_property ("forceClef");
- if (clefpos == SCM_EOL
- || scm_equal_p (glyph, prev_glyph_) == SCM_BOOL_F
- || scm_equal_p (clefpos, prev_cpos_) == SCM_BOOL_F
- || scm_equal_p (octavation, prev_octavation_) == SCM_BOOL_F
- || to_boolean (force_clef))
+ if (scm_is_null (clefpos)
+ || !ly_is_equal (glyph, prev_glyph_)
+ || !ly_is_equal (clefpos, prev_cpos_)
+ || !ly_is_equal (transposition, prev_transposition_)
+ || to_boolean (force_clef))
{
+ apply_on_children (context (), Lily::invalidate_alterations);
+
set_glyph ();
- if (prev_cpos_ != SCM_BOOL_F || to_boolean (get_property ("firstClef")))
- create_clef ();
+ if (scm_is_true (prev_cpos_) || to_boolean (get_property ("firstClef")))
+ create_clef ();
if (clef_)
- clef_->set_property ("non-default", SCM_BOOL_T);
+ clef_->set_property ("non-default", SCM_BOOL_T);
prev_cpos_ = clefpos;
prev_glyph_ = glyph;
- prev_octavation_ = octavation;
+ prev_transposition_ = transposition;
}
if (to_boolean (force_clef))
{
if (clef_)
{
- SCM vis = 0;
if (to_boolean (clef_->get_property ("non-default")))
- {
- vis = get_property ("explicitClefVisibility");
- }
-
- if (vis)
- {
- clef_->set_property ("break-visibility", vis);
- if (octavate_)
- {
- octavate_->set_property ("break-visibility", vis);
- }
- }
+ {
+ SCM vis = get_property ("explicitClefVisibility");
+
+ if (scm_is_vector (vis))
+ clef_->set_property ("break-visibility", vis);
+ }
clef_ = 0;
- octavate_ = 0;
+ modifier_ = 0;
}
}
-ADD_ACKNOWLEDGER(Clef_engraver, bar_line);
+void
+Clef_engraver::boot ()
+{
+ ADD_ACKNOWLEDGER (Clef_engraver, bar_line);
+}
+
ADD_TRANSLATOR (Clef_engraver,
- /* descr */ "Determine and set reference point for pitches",
- /* creats*/ "Clef OctavateEight",
- /* accepts */ "",
- /* reads */ "clefPosition clefGlyph middleCPosition clefOctavation explicitClefVisibility forceClef",
- /* write */ "");
+ /* doc */
+ "Determine and set reference point for pitches.",
+
+ /* create */
+ "Clef "
+ "ClefModifier ",
+
+ /* read */
+ "clefGlyph "
+ "clefTransposition "
+ "clefTranspositionStyle "
+ "clefPosition "
+ "explicitClefVisibility "
+ "forceClef ",
+
+ /* write */
+ ""
+ );