/*
- clef.cc -- implement Clef_engraver
+
+ clef-engraver.cc -- implement Clef_engraver
source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
Mats Bengtsson <matsb@s3.kth.se>
*/
-/*
- CLEAN ME UP.
- */
-
#include <ctype.h>
-#include "staff-symbol-referencer.hh"
+
+#include "translator-group.hh"
+#include "key-item.hh"
+#include "local-key-item.hh"
#include "bar.hh"
-#include "clef-engraver.hh"
-#include "clef-item.hh"
+#include "note-head.hh"
+#include "staff-symbol-referencer.hh"
#include "debug.hh"
#include "command-request.hh"
-#include "timing-translator.hh"
-#include "note-head.hh"
-#include "key-item.hh"
-#include "local-key-item.hh"
+#include "engraver.hh"
+#include "direction.hh"
+#include "side-position-interface.hh"
+#include "item.hh"
+
+/// where is c-0 in the staff?
+class Clef_engraver : public Engraver
+{
+ Item * clef_p_;
+ 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();
+
+ bool first_b_;
+};
+
Clef_engraver::Clef_engraver()
{
+ first_b_ = true;
+ 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;
- create_default_b_ = true;
+ octavate_p_ = 0;
}
bool
else
octave_dir_ = CENTER;
- bool found = false;
- SCM c = get_property ("supportedClefTypes",0);
- for (; gh_pair_p(c); c = gh_cdr (c))
+ SCM c = get_property ("supportedClefTypes");
+ SCM p = get_property ("clefPitches");
+
+ if (gh_list_p (c))
{
- SCM entry = gh_car (c);
- SCM name = gh_car (entry);
-
- if (ly_scm2string (name) != s)
- continue;
-
- SCM glyph = gh_cadr (entry);
- SCM pos = gh_caddr (entry);
+ SCM found = scm_assoc (ly_str02scm (s.ch_C()), c);
+ if (found == SCM_BOOL_F)
+ return false;
- clef_type_str_ = ly_scm2string (glyph);
+ clef_glyph_ = gh_cadr (found);
+ SCM pos = gh_caddr (found);
+
clef_position_i_ = gh_scm2int (pos);
- found = true;
- break;
- }
-
- if (!found)
- {
- switch(toupper (s[0]))
- {
- case 'F':
- clef_type_str_ = "bass";
- break;
- case 'G':
- clef_type_str_ = "treble";
- break;
- case 'C':
- clef_type_str_ = "alto";
- break;
- default:
- return false;
- }
- clef_position_i_ = 2 * (s[1] - '0') - 6;
+
+ 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_ == "treble")
- 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;
-
+
+ SCM basic = ly_symbol2scm ("basicClefItemProperties");
+ SCM c0 = ly_symbol2scm ("c0-position");
+ SCM gl = ly_symbol2scm ("glyph");
+ daddy_trans_l_->execute_single_pushpop_property (basic, gl, SCM_UNDEFINED);
+ daddy_trans_l_->execute_single_pushpop_property (basic, c0, SCM_UNDEFINED);
+ daddy_trans_l_->execute_single_pushpop_property (basic, gl, clef_glyph_);
+ daddy_trans_l_->execute_single_pushpop_property (basic, c0, gh_int2scm (c0_position_i_));
+
return true;
}
-
/**
Generate a clef at the start of a measure. (when you see a Bar,
ie. a breakpoint)
void
Clef_engraver::acknowledge_element (Score_element_info info)
{
- if (dynamic_cast<Bar*>(info.elem_l_)
- && clef_type_str_.length_i())
+ Item * item =dynamic_cast <Item *> (info.elem_l_);
+ if (item)
{
- bool default_clef = !clef_p_;
- create_clef();
- if(!default_clef)
- clef_p_->set_elt_property("visibility-lambda",
- ly_eval_str ("all-visibility"));
- }
+ if (Bar::has_interface (info.elem_l_)
+ && 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))
- {
- Staff_symbol_referencer_interface si (h);
- si.set_position (int (si.position_f ()) + c0_position_i_);
- }
- else if (Local_key_item *i = dynamic_cast<Local_key_item*> (it_l))
+ if (Note_head::has_interface (item)
+ || Local_key_item::has_interface (item))
{
- i->c0_position_i_ =c0_position_i_;
+ int p = int (Staff_symbol_referencer::position_f (item)) + c0_position_i_;
+ Staff_symbol_referencer::set_position (item,p);
+
}
- else if (Key_item *k = dynamic_cast<Key_item*>(it_l))
+ else if (Key_item::has_interface (item))
{
- k-> set_c_position (c0_position_i_);
+ item->set_elt_property ("c0-position", gh_int2scm (c0_position_i_));
}
}
}
void
Clef_engraver::do_creation_processing()
{
- create_default_b_ = true; // should read property.
- SCM def = get_property ("createInitdefaultClef", 0);
+ SCM def = get_property ("defaultClef");
if (gh_string_p (def))
- set_type (ly_scm2string (def));
-
- if (clef_type_str_.length_i ())
- {
- create_clef();
- clef_p_->set_elt_property ("non-default", SCM_BOOL_T);
+ {
+ set_type (ly_scm2string (def));
}
}
{
clef_req_l_ = cl;
if (!set_type (cl->clef_str_))
- cl->error (_ ("unknown clef type"));
+ cl->origin ()->warning (_ ("unknown clef type"));
return true;
}
{
if (!clef_p_)
{
- Clef_item *c= new Clef_item;
- c->set_elt_property ("break-aligned", SCM_BOOL_T);
- announce_element (Score_element_info (c, clef_req_l_));
+ Item *c= new Item (get_property ("basicClefItemProperties"));
+ announce_element (c, clef_req_l_);
- Staff_symbol_referencer_interface si(c);
- si.set_interface ();
+ Staff_symbol_referencer::set_interface (c);
clef_p_ = c;
}
- Staff_symbol_referencer_interface si(clef_p_);
- clef_p_->symbol_ = clef_type_str_;
- si.set_position (clef_position_i_);
+ Staff_symbol_referencer::set_position(clef_p_, clef_position_i_);
if (octave_dir_)
{
- clef_p_->set_elt_property ("octave-dir", gh_int2scm (octave_dir_));
+ Item * g = new Item (get_property ("basicOctavateEightProperties"));
+ Side_position::set_axis (g,Y_AXIS);
+ Side_position::add_support (g,clef_p_);
+
+ g->set_parent (clef_p_, Y_AXIS);
+ g->set_parent (clef_p_, X_AXIS);
+ g->add_offset_callback (Side_position::aligned_on_self, X_AXIS);
+ g->add_offset_callback (Side_position::centered_on_parent, X_AXIS);
+ g->set_elt_property ("direction", gh_int2scm (octave_dir_));
+ octavate_p_ = g;
+ announce_element (octavate_p_, clef_req_l_);
}
}
void
-Clef_engraver::do_process_requests()
+Clef_engraver::do_process_music()
{
- if (clef_req_l_)
+ if (clef_req_l_ || first_b_)
{
create_clef();
- }
- else if (create_default_b_)
- {
- SCM type = get_property ("defaultClef", 0);
- if (gh_string_p (type))
- set_type (ly_scm2string (type));
- else
- set_type ( "treble");
- create_clef ();
- create_default_b_ = false;
+ clef_p_->set_elt_property ("non-default", SCM_BOOL_T);
}
}
{
if (clef_p_)
{
+ SCM vis = 0;
+ if(to_boolean (clef_p_->get_elt_property("non-default")))
+ {
+ vis = get_property ("explicitClefVisibility");
+ }
+
+ if (vis)
+ {
+ clef_p_->set_elt_property("visibility-lambda", vis);
+ if (octavate_p_)
+ octavate_p_->set_elt_property("visibility-lambda", vis);
+ }
+
typeset_element (clef_p_);
clef_p_ =0;
+
+ if (octavate_p_)
+ typeset_element(octavate_p_);
+
+ octavate_p_ = 0;
}
- create_default_b_ = false;
+
+ first_b_ = 0;
}
void
clef_req_l_ = 0;
}
-void
-Clef_engraver::do_removal_processing()
-{
- assert (!clef_p_);
-}
-
-
-
ADD_THIS_TRANSLATOR(Clef_engraver);
projects / lilypond.git / blobdiff