/*
- 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--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
+
Mats Bengtsson <matsb@s3.kth.se>
*/
#include <ctype.h>
+
+#include "translator-group.hh"
+#include "key-item.hh"
#include "bar.hh"
-#include "clef-engraver.hh"
-#include "clef-item.hh"
+#include "staff-symbol-referencer.hh"
#include "debug.hh"
-#include "command-request.hh"
-#include "time-description.hh"
+#include "engraver.hh"
+#include "direction.hh"
+#include "side-position-interface.hh"
+#include "item.hh"
-#include "note-head.hh"
-#include "key-item.hh"
-#include "local-key-item.hh"
-
-Clef_engraver::Clef_engraver()
+class Clef_engraver : public Engraver
+{
+public:
+ VIRTUAL_COPY_CONS (Translator);
+ Clef_engraver ();
+
+ Direction octave_dir_;
+
+protected:
+ virtual void stop_translation_timestep ();
+ virtual void start_translation_timestep ();
+ virtual void process_music ();
+ virtual void acknowledge_grob (Grob_info);
+ virtual void do_creation_processing ();
+private:
+ Item * clef_p_;
+ Item * octavate_p_;
+
+ SCM prev_glyph_;
+ SCM prev_cpos_;
+ SCM prev_octavation_;
+ void create_clef ();
+ void set_glyph ();
+ void inspect_clef_properties ();
+};
+
+Clef_engraver::Clef_engraver ()
{
clef_p_ = 0;
- clef_req_l_ = 0;
- clef_type_str_ = "";
- c0_position_i_ = 0;
- clef_position_i_ = 0;
octave_dir_ = CENTER;
-}
-
-/*
- Ugh. Should have support for Dictionaries in mudela.
- */
-bool
-Clef_engraver::set_type (String s)
-{
- if (s.right_str(2) == "_8") // Down one octave
- {
- octave_dir_ = DOWN;
- s = s.left_str(s.length_i() - 2);
- }
- else if (s.right_str(2) == "^8") // Up one octave
- {
- octave_dir_ = UP;
- s = s.left_str(s.length_i() - 2);
- }
- 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
- {
- 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;
- }
- 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);
+ octavate_p_ = 0;
-
- c0_position_i_ -= (int) octave_dir_ * 7;
-
- return true;
+ /*
+ will trigger a clef at the start since #f != ' ()
+ */
+ prev_cpos_ = prev_glyph_ = SCM_BOOL_F;
}
void
-Clef_engraver::read_req (Clef_change_req*c_l)
+Clef_engraver::set_glyph ()
{
- if (!set_type (c_l->clef_str_))
- c_l->error (_ ("unknown clef type "));
-}
+ SCM glyph_sym = ly_symbol2scm ("glyph-name");
+ SCM glyph = get_property ("clefGlyph");
+ SCM basic = ly_symbol2scm ("Clef");
+
+ daddy_trans_l_->execute_single_pushpop_property (basic, glyph_sym, SCM_UNDEFINED);
+ daddy_trans_l_->execute_single_pushpop_property (basic, glyph_sym, glyph);
+}
/**
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)
+Clef_engraver::acknowledge_grob (Grob_info info)
{
- if (info.elem_l_->is_type_b (Bar::static_name ())
- && clef_type_str_.length_i())
+ Item * item =dynamic_cast <Item *> (info.elem_l_);
+ if (item)
{
- create_clef();
- if (!clef_req_l_)
- clef_p_->default_b_ = true;
- }
+ if (Bar::has_interface (info.elem_l_)
+ && gh_string_p (get_property ("clefGlyph")))
+ create_clef ();
- /* ugh; should make Clef_referenced baseclass */
- Item * it_l =info.elem_l_->access_Item ();
-if (it_l)
- {
- if (it_l->is_type_b (Note_head::static_name ()))
- {
- Note_head * h = (Note_head*)it_l;
- h->position_i_ += c0_position_i_;
- }
- else if (it_l->is_type_b (Local_key_item::static_name ()))
+ if (Key_item::has_interface (item))
+ {
+ /*
+ Key_item adapts its formatting to make sure that the
+ accidentals stay in the upper half of the staff. It needs
+ to know c0-pos for this. (?)
+ */
+
+ item->set_grob_property ("c0-position", get_property ("centralCPosition"));
+ }
+ }
+}
+
+void
+Clef_engraver::create_clef ()
+{
+ if (!clef_p_)
{
- Local_key_item *i = (Local_key_item*)it_l;
- i->c0_position_i_ =c0_position_i_;
+ Item *c= new Item (get_property ("Clef"));
+ announce_grob (c, 0);
+
+ Staff_symbol_referencer::set_interface (c);
+
+ clef_p_ = c;
}
- else if (it_l->is_type_b (Key_item::static_name ()))
+ Staff_symbol_referencer::set_position (clef_p_,
+ gh_scm2int (get_property ("clefPosition")));
+
+ SCM oct = get_property ("clefOctavation");
+ if (gh_number_p (oct) && gh_scm2int (oct))
{
- Key_item *k = (Key_item*)it_l;
- k-> set_c_position (c0_position_i_);
+ Item * g = new Item (get_property ("OctavateEight"));
+
+ Side_position_interface::add_support (g,clef_p_);
+
+ g->set_parent (clef_p_, Y_AXIS);
+ g->set_parent (clef_p_, X_AXIS);
+
+ g->set_grob_property ("direction", gh_int2scm (sign (gh_scm2int (oct))));
+ octavate_p_ = g;
+ announce_grob (octavate_p_, 0);
}
- }
}
void
-Clef_engraver::do_creation_processing()
+Clef_engraver::process_music ()
{
- 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;
- }
+ inspect_clef_properties ();
}
-bool
-Clef_engraver::do_try_request (Request * r_l)
-{
- Command_req* creq_l= r_l->access_Command_req ();
- if (!creq_l || !creq_l->access_Clef_change_req ())
- return false;
+/*
+ this must be done in creation_proc() since grace notes will be
+ processed before Clef_engraver::prcoess_music()
- clef_req_l_ = creq_l->access_Clef_change_req ();
- read_req (clef_req_l_);
- return true;
+ Grace notes and clef changes are still broken.
+*/
+void
+Clef_engraver::do_creation_processing ()
+{
+ inspect_clef_properties ();
}
void
-Clef_engraver::create_clef()
+Clef_engraver::inspect_clef_properties ()
{
- if (!clef_p_)
+ SCM glyph = get_property ("clefGlyph");
+ SCM clefpos = get_property ("clefPosition");
+ SCM octavation = get_property ("clefOctavation");
+ 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)
+)
{
- clef_p_ = new Clef_item;
- clef_p_->break_priority_i_ = -2; // ugh
- announce_element (Score_element_info (clef_p_,clef_req_l_));
+ set_glyph ();
+ create_clef ();
+
+ clef_p_->set_grob_property ("non-default", SCM_BOOL_T);
+
+ prev_cpos_ = clefpos;
+ prev_glyph_ = glyph;
+ prev_octavation_ = octavation;
}
- clef_p_->read (*this);
-}
-void
-Clef_engraver::do_process_requests()
-{
- if (clef_req_l_)
+ if (to_boolean (force_clef))
{
- create_clef();
- clef_p_->default_b_ = false;
+ Translator_group * w = daddy_trans_l_->where_defined (ly_symbol2scm ("forceClef"));
+ w->set_property ("forceClef", SCM_EOL);
}
}
+
void
-Clef_engraver::do_pre_move_processing()
+Clef_engraver::stop_translation_timestep ()
{
if (clef_p_)
{
- typeset_element (clef_p_);
- clef_p_ = 0;
+ SCM vis = 0;
+ if (to_boolean (clef_p_->get_grob_property ("non-default")))
+ {
+ vis = get_property ("explicitClefVisibility");
+ }
+
+ if (vis)
+ {
+ clef_p_->set_grob_property ("visibility-lambda", vis);
+ if (octavate_p_)
+ octavate_p_->set_grob_property ("visibility-lambda", vis);
+ }
+
+ typeset_grob (clef_p_);
+ clef_p_ =0;
+
+ if (octavate_p_)
+ typeset_grob (octavate_p_);
+
+ octavate_p_ = 0;
}
}
-void
-Clef_engraver::do_post_move_processing()
-{
- clef_req_l_ = 0;
-}
void
-Clef_engraver::do_removal_processing()
+Clef_engraver::start_translation_timestep ()
{
- if (clef_p_)
- {
- clef_p_->unlink ();
- delete clef_p_;
- clef_p_ =0;
- }
}
+ADD_THIS_TRANSLATOR (Clef_engraver);
-IMPLEMENT_IS_TYPE_B1(Clef_engraver,Engraver);
-ADD_THIS_TRANSLATOR(Clef_engraver);
projects / lilypond.git / blobdiff