/*
- clef.cc -- implement Clef_engraver
+ clef-engraver.cc -- implement Clef_engraver
source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
+
Mats Bengtsson <matsb@s3.kth.se>
*/
#include <ctype.h>
+
+#include "staff-symbol-referencer.hh"
#include "bar.hh"
-#include "clef-engraver.hh"
#include "clef-item.hh"
#include "debug.hh"
#include "command-request.hh"
-#include "time-description.hh"
+#include "timing-translator.hh"
#include "note-head.hh"
#include "key-item.hh"
#include "local-key-item.hh"
+#include "array.hh"
+#include "engraver.hh"
+#include "direction.hh"
+#include "side-position-interface.hh"
+#include "text-item.hh"
+
+/// where is c-0 in the staff?
+class Clef_engraver : public Engraver {
+ Clef_item * clef_p_;
+ Text_item * octavate_p_;
+ Clef_change_req * clef_req_l_;
+
+ void create_clef();
+ bool set_type (String);
+protected:
+ virtual void do_process_music();
+ virtual void do_pre_move_processing();
+ virtual void do_creation_processing();
+ virtual void do_post_move_processing();
+ virtual bool do_try_music (Music*);
+ virtual void acknowledge_element (Score_element_info);
+public:
+ VIRTUAL_COPY_CONS(Translator);
+ int c0_position_i_;
+ int clef_position_i_;
+ // junkme.
+ Direction octave_dir_;
+ SCM clef_glyph_; // no need for protection. Always referenced somewhere else.
+
+ Clef_engraver();
+};
+
Clef_engraver::Clef_engraver()
{
+ clef_glyph_ = SCM_EOL;
clef_p_ = 0;
clef_req_l_ = 0;
- clef_type_str_ = "";
c0_position_i_ = 0;
clef_position_i_ = 0;
octave_dir_ = CENTER;
+ octavate_p_ = 0;
}
-/*
- Ugh. Should have support for Dictionaries in mudela.
- */
bool
Clef_engraver::set_type (String s)
{
}
else
octave_dir_ = CENTER;
- if (s == "treble" ||
- s == "violin" ||
- s == "G" || s == "G2")
- {
- clef_type_str_ = "violin";
- clef_position_i_ = -2;
- }
- else if (s == "french")
- {
- clef_type_str_ = "violin";
- clef_position_i_ = -4;
- }
- else if (s == "soprano")
- {
- clef_type_str_ = "alto";
- clef_position_i_ = -4;
- }
- else if (s == "mezzosoprano")
- {
- clef_type_str_ = "alto";
- clef_position_i_ = -2;
- }
- else if (s == "alto")
- {
- clef_type_str_ = "alto";
- clef_position_i_ = 0;
- }
- else if (s == "tenor")
- {
- clef_type_str_ = "alto";
- clef_position_i_ = 2;
- }
- else if (s == "baritone")
- {
- clef_type_str_ = "alto";
- clef_position_i_ = 4;
- }
- else if (s == "varbaritone")
- {
- clef_type_str_ = "bass";
- clef_position_i_ = 0;
- }
- else if (s == "bass" || s == "F")
- {
- clef_type_str_ = "bass";
- clef_position_i_ = 2;
- }
- else if (s == "subbass")
- {
- clef_type_str_ = "bass";
- clef_position_i_ = 4;
- }
- else
+
+ SCM c = get_property ("supportedClefTypes");
+ SCM p = get_property ("clefPitches");
+
+ if (gh_list_p (c))
{
- switch(toupper (s[0]))
- {
- case 'F':
- clef_type_str_ = "bass";
- break;
- case 'G':
- clef_type_str_ = "violin";
- break;
- case 'C':
- clef_type_str_ = "alto";
- break;
- default:
- return false;
- }
- clef_position_i_ = 2 * (s[1] - '0') - 6;
+ SCM found = scm_assoc (ly_str02scm (s.ch_C()), c);
+ if (found == SCM_BOOL_F)
+ return false;
+
+ clef_glyph_ = gh_cadr (found);
+ SCM pos = gh_caddr (found);
+
+ clef_position_i_ = gh_scm2int (pos);
+
+ found = scm_assoc (clef_glyph_, p);
+ if (found == SCM_BOOL_F)
+ return false;
+
+ c0_position_i_ = clef_position_i_ + gh_scm2int (gh_cdr (found));
}
- if (clef_type_str_ == "violin")
- c0_position_i_ = clef_position_i_ - 4;
- else if (clef_type_str_ == "alto")
- c0_position_i_ = clef_position_i_;
- else if (clef_type_str_ == "bass")
- c0_position_i_ = clef_position_i_ + 4;
- else
- assert (false);
-
c0_position_i_ -= (int) octave_dir_ * 7;
-
return true;
}
-void
-Clef_engraver::read_req (Clef_change_req*c_l)
-{
- if (!set_type (c_l->clef_str_))
- c_l->error (_ ("unknown clef type "));
-}
-
/**
Generate a clef at the start of a measure. (when you see a Bar,
Clef_engraver::acknowledge_element (Score_element_info info)
{
if (dynamic_cast<Bar*>(info.elem_l_)
- && clef_type_str_.length_i())
- {
- create_clef();
- if (!clef_req_l_)
- clef_p_->default_b_ = true;
- }
+ && gh_string_p (clef_glyph_))
+ create_clef();
/* ugh; should make Clef_referenced baseclass */
Item * it_l =dynamic_cast <Item *> (info.elem_l_);
if (it_l)
{
- if (Note_head * h = dynamic_cast<Note_head*>(it_l))
- {
- h->position_i_ += c0_position_i_;
- }
- else if (Local_key_item *i = dynamic_cast<Local_key_item*> (it_l))
+ if (dynamic_cast<Note_head*>(it_l)
+ || dynamic_cast<Local_key_item*> (it_l)
+ )
+
{
- i->c0_position_i_ =c0_position_i_;
+ Staff_symbol_referencer_interface si (it_l);
+ si.set_position (int (si.position_f ()) + c0_position_i_);
}
else if (Key_item *k = dynamic_cast<Key_item*>(it_l))
{
- k-> set_c_position (c0_position_i_);
+ k->set_elt_property ("c0-position", gh_int2scm (c0_position_i_));
}
}
}
void
Clef_engraver::do_creation_processing()
{
- Scalar def = get_property ("defaultClef");
- if (def.to_bool ()) // egcs: Scalar to bool is ambiguous
- set_type (def);
-
- if (clef_type_str_.length_i ())
- {
- create_clef();
- clef_p_->default_b_ = false;
+ SCM def = get_property ("defaultClef");
+ if (gh_string_p (def))
+ {
+ set_type (ly_scm2string (def));
+ create_clef ();
+ clef_p_->set_elt_property ("non-default", SCM_BOOL_T);
}
}
bool
-Clef_engraver::do_try_request (Request * r_l)
+Clef_engraver::do_try_music (Music * r_l)
{
if (Clef_change_req *cl = dynamic_cast <Clef_change_req *> (r_l))
{
clef_req_l_ = cl;
- read_req (clef_req_l_);
+ if (!set_type (cl->clef_str_))
+ cl->error (_ ("unknown clef type"));
+
return true;
}
else
{
if (!clef_p_)
{
- clef_p_ = new Clef_item;
- clef_p_->break_priority_i_ = -2; // ugh
- announce_element (Score_element_info (clef_p_,clef_req_l_));
+ Clef_item *c= new Clef_item;
+ c->set_elt_property ("breakable", SCM_BOOL_T);
+ c->set_elt_property ("break-align-symbol", ly_symbol2scm ("Clef_item"));
+ announce_element (Score_element_info (c, clef_req_l_));
+
+ Staff_symbol_referencer_interface si(c);
+ si.set_interface ();
+
+ clef_p_ = c;
+ }
+ Staff_symbol_referencer_interface si(clef_p_);
+ clef_p_->set_elt_property ("glyph", clef_glyph_);
+ si.set_position (clef_position_i_);
+ if (octave_dir_)
+ {
+ Text_item * g = new Text_item;
+ Side_position_interface spi (g);
+ spi.set_axis (Y_AXIS);
+ spi.add_support (clef_p_);
+ g->set_elt_property ("text", ly_str02scm ( "8"));
+ g->set_elt_property ("style", gh_str02scm ("italic"));
+ g->set_parent (clef_p_, Y_AXIS);
+ g->set_parent (clef_p_, X_AXIS);
+
+ g->set_elt_property ("self-alignment-X", gh_int2scm (0));
+ g->add_offset_callback (Side_position_interface::aligned_on_self, X_AXIS);
+ g->add_offset_callback (Side_position_interface::centered_on_parent, X_AXIS);
+ g->set_elt_property ("direction", gh_int2scm (octave_dir_));
+ octavate_p_ = g;
+ announce_element (Score_element_info (octavate_p_, clef_req_l_));
}
- clef_p_->read (*this);
}
+
void
-Clef_engraver::do_process_requests()
+Clef_engraver::do_process_music()
{
if (clef_req_l_)
{
create_clef();
- clef_p_->default_b_ = false;
+ clef_p_->set_elt_property ("non-default", SCM_BOOL_T);
}
}
{
if (clef_p_)
{
+ if(to_boolean (clef_p_->remove_elt_property("non-default")))
+ {
+ SCM all = scm_eval (ly_symbol2scm ("all-visible"));
+ clef_p_->set_elt_property("visibility-lambda", all);
+ if (octavate_p_)
+ octavate_p_->set_elt_property("visibility-lambda", all);
+ }
+ else
+ {
+ SCM beg = scm_eval (ly_symbol2scm ("begin-of-line-visible"));
+
+ clef_p_->set_elt_property ("visibility-lambda", beg);
+ if (octavate_p_)
+ octavate_p_->set_elt_property ("visibility-lambda", beg);
+ }
typeset_element (clef_p_);
- clef_p_ = 0;
+ clef_p_ =0;
+
+ if (octavate_p_)
+ typeset_element(octavate_p_);
+
+ octavate_p_ = 0;
}
}
+
void
Clef_engraver::do_post_move_processing()
{
clef_req_l_ = 0;
}
-void
-Clef_engraver::do_removal_processing()
-{
- if (clef_p_)
- {
- clef_p_->unlink ();
- delete clef_p_;
- clef_p_ =0;
- }
-}
-
-
-IMPLEMENT_IS_TYPE_B1(Clef_engraver,Engraver);
ADD_THIS_TRANSLATOR(Clef_engraver);
+
projects / lilypond.git / blobdiff