source file of the GNU LilyPond music typesetter
- (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
+ (c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>,
Mats Bengtsson <matsb@s3.kth.se>
*/
#include <cctype>
+using namespace std;
+#include "item.hh"
#include "context.hh"
#include "bar-line.hh"
#include "staff-symbol-referencer.hh"
#include "direction.hh"
#include "side-position-interface.hh"
+#include "translator.icc"
+
class Clef_engraver : public Engraver
{
public:
Direction octave_dir_;
protected:
- virtual void stop_translation_timestep ();
- virtual void process_music ();
- virtual void acknowledge_grob (Grob_info);
+ void stop_translation_timestep ();
+ void process_music ();
+ DECLARE_ACKNOWLEDGER (bar_line);
+
+ virtual void derived_mark () const;
private:
Item *clef_;
Item *octavate_;
void inspect_clef_properties ();
};
+void
+Clef_engraver::derived_mark () const
+{
+ scm_gc_mark (prev_octavation_);
+ scm_gc_mark (prev_cpos_);
+ scm_gc_mark (prev_glyph_);
+}
+
Clef_engraver::Clef_engraver ()
{
clef_ = 0;
/*
will trigger a clef at the start since #f != ' ()
*/
- prev_cpos_ = prev_glyph_ = SCM_BOOL_F;
+ prev_octavation_ = 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"));
}
/**
ie. a breakpoint)
*/
void
-Clef_engraver::acknowledge_grob (Grob_info info)
+Clef_engraver::acknowledge_bar_line (Grob_info info)
{
- Item *item = dynamic_cast<Item *> (info.grob_);
- if (item)
- {
- if (Bar_line::has_interface (info.grob_)
- && scm_is_string (get_property ("clefGlyph")))
- create_clef ();
- }
+ Item *item = dynamic_cast<Item *> (info.grob ());
+ if (item && scm_is_string (get_property ("clefGlyph")))
+ create_clef ();
}
void
int dir = sign (abs_oct);
abs_oct = abs (abs_oct) + 1;
- SCM txt = scm_number_to_string (scm_int2num (abs_oct),
+ SCM txt = scm_number_to_string (scm_from_int (abs_oct),
scm_from_int (10));
g->set_property ("text",
g->set_parent (clef_, Y_AXIS);
g->set_parent (clef_, X_AXIS);
- g->set_property ("direction", scm_int2num (dir));
+ g->set_property ("direction", scm_from_int (dir));
octavate_ = g;
}
}
|| scm_equal_p (octavation, prev_octavation_) == SCM_BOOL_F
|| to_boolean (force_clef))
{
+ set_context_property_on_children (context (),
+ ly_symbol2scm ("localKeySignature"),
+ get_property ("keySignature"));
+
set_glyph ();
- create_clef ();
+ if (prev_cpos_ != SCM_BOOL_F || to_boolean (get_property ("firstClef")))
+ create_clef ();
- clef_->set_property ("non-default", SCM_BOOL_T);
+ if (clef_)
+ clef_->set_property ("non-default", SCM_BOOL_T);
prev_cpos_ = clefpos;
prev_glyph_ = glyph;
if (to_boolean (force_clef))
{
- Context *w = context ()->where_defined (ly_symbol2scm ("forceClef"));
+ SCM prev;
+ Context *w = context ()->where_defined (ly_symbol2scm ("forceClef"), &prev);
w->set_property ("forceClef", SCM_EOL);
}
}
{
SCM vis = 0;
if (to_boolean (clef_->get_property ("non-default")))
- {
- vis = get_property ("explicitClefVisibility");
- }
+ vis = get_property ("explicitClefVisibility");
if (vis)
{
clef_->set_property ("break-visibility", vis);
if (octavate_)
- {
- octavate_->set_property ("break-visibility", vis);
- }
+ octavate_->set_property ("break-visibility", vis);
}
clef_ = 0;
}
}
+ADD_ACKNOWLEDGER (Clef_engraver, bar_line);
ADD_TRANSLATOR (Clef_engraver,
- /* descr */ "Determine and set reference point for pitches",
- /* creats*/ "Clef OctavateEight",
- /* accepts */ "",
- /* acks */ "bar-line-interface",
- /* reads */ "clefPosition clefGlyph middleCPosition clefOctavation explicitClefVisibility forceClef",
- /* write */ "");
+ /* doc */
+ "Determine and set reference point for pitches.",
+
+ /* create */
+ "Clef "
+ "OctavateEight ",
+
+ /* read */
+ "clefGlyph "
+ "clefOctavation "
+ "clefPosition "
+ "explicitClefVisibility "
+ "forceClef ",
+
+ /* write */
+ ""
+ );