/*
- key-reg.cc -- implement Key_engraver
+ key-engraver.cc -- implement Key_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>
*/
+// clean me up
#include "key-engraver.hh"
#include "key-item.hh"
#include "command-request.hh"
#include "musical-request.hh"
#include "local-key-item.hh"
#include "bar.hh"
-#include "time-description.hh"
+#include "timing-translator.hh"
+#include "staff-symbol-referencer.hh"
Key_engraver::Key_engraver ()
{
- kit_p_ = 0;
+ item_p_ = 0;
do_post_move_processing ();
}
+bool
+Key_engraver::key_changed_b () const
+{
+ return keyreq_l_ ;
+}
+
void
Key_engraver::create_key ()
{
- if (!kit_p_)
+ if (!item_p_)
{
- kit_p_ = new Key_item;
- kit_p_->break_priority_i_ = -1; // ugh
- announce_element (Score_element_info (kit_p_,keyreq_l_));
- kit_p_->read (*this);
+ item_p_ = new Key_item;
+ Staff_symbol_referencer_interface st (item_p_);
+ st.set_interface ();
+
+
+ item_p_->set_elt_property ("break-align-symbol", ly_symbol2scm ("Key_item"));
+ item_p_->set_elt_property ("multi-octave",
+ gh_bool2scm (key_.multi_octave_b_));
+
+ announce_element (Score_element_info (item_p_,keyreq_l_));
+
+
+ for (int i = 0; i < accidental_idx_arr_.size(); i++)
+ {
+ Musical_pitch m_l =accidental_idx_arr_[i];
+ int a =m_l.accidental_i_;
+ if (key_.multi_octave_b_)
+ item_p_->add (m_l.steps (), a);
+ else
+ item_p_->add (m_l.notename_i_, a);
+ }
+
+ for (int i = 0 ; i < old_accidental_idx_arr_.size(); i++)
+ {
+ Musical_pitch m_l =old_accidental_idx_arr_[i];
+ int a =m_l.accidental_i_;
+ if (key_.multi_octave_b_)
+ item_p_->add_old (m_l.steps (), a);
+ else
+ item_p_->add_old (m_l.notename_i_, a);
+ }
}
-}
+}
+
bool
-Key_engraver::do_try_request (Request * req_l)
+Key_engraver::do_try_music (Music * req_l)
{
- Command_req* creq_l= req_l->access_Command_req ();
- if (!creq_l|| !creq_l->access_Key_change_req ())
- return false;
-
- if (keyreq_l_)
- return false; // TODO
- keyreq_l_ = creq_l->access_Key_change_req ();
- read_req (keyreq_l_);
- return true;
+ if (Key_change_req *kc = dynamic_cast <Key_change_req *> (req_l))
+ {
+ if (keyreq_l_)
+ warning (_ ("FIXME: key change merge"));
+ keyreq_l_ = kc;
+ read_req (keyreq_l_);
+ return true;
+ }
+ return false;
}
void
Key_engraver::acknowledge_element (Score_element_info info)
{
- Command_req * r_l = info.req_l_->access_Command_req () ;
- if (r_l && r_l->access_Clef_change_req ())
+ if (dynamic_cast <Clef_change_req *> (info.req_l_))
{
- create_key ();
+ SCM c = get_property ("createKeyOnClefChange");
+ if (to_boolean (c))
+ create_key ();
}
- else if (info.elem_l_->is_type_b (Bar::static_name ())
+ else if (dynamic_cast<Bar *> (info.elem_l_)
&& accidental_idx_arr_.size ())
{
- if (!keyreq_l_)
- default_key_b_ = true;
create_key ();
}
}
void
-Key_engraver::do_process_requests ()
+Key_engraver::do_process_music ()
{
if (keyreq_l_)
{
void
Key_engraver::do_pre_move_processing ()
{
- if (kit_p_)
+ if (item_p_)
{
- kit_p_->default_b_ = default_key_b_;
- typeset_element (kit_p_);
- kit_p_ = 0;
+ if (keyreq_l_)
+ item_p_->set_elt_property ("visibility-lambda",
+ scm_eval (ly_symbol2scm ("all-visible")));
+
+ typeset_element (item_p_);
+ item_p_ = 0;
}
}
/*
- TODO Slightly hairy.
+ TODO. Use properties; and this is too hairy.
*/
void
Key_engraver::read_req (Key_change_req const * r)
{
+ if (!r->key_)
+ return;
+
old_accidental_idx_arr_ = accidental_idx_arr_;
key_.clear ();
- Scalar prop = get_property ("specialaccidentals");
- if (prop.length_i () > 0)
- {
- key_.multi_octave_b_ = prop.to_bool ();
- }
+ SCM prop = get_property ("keyOctaviation");
+
+ key_.multi_octave_b_ = to_boolean (prop);
accidental_idx_arr_.clear ();
- if (r->ordinary_key_b_)
+ if (r->key_->ordinary_key_b_)
{
- int p;
- if (r->pitch_arr_.size () < 1)
- {
- r->warning (_ ("No key name: assuming `C'"));
- p = 0;
- }
- else
- {
- p = r->pitch_arr_[0].semitone_pitch ();
- if (r->minor_b ())
- p += 3;
- }
- /* Solve the equation 7*no_of_acc mod 12 = p, -6 <= no_of_acc <= 5 */
- int no_of_acc = (7*p) % 12;
- no_of_acc = (no_of_acc + 18) % 12 -6;
-
- /* Correct from flats to sharps or vice versa */
- if (no_of_acc * r->pitch_arr_[0].accidental_i_ < 0)
- no_of_acc += 12 * sign (r->pitch_arr_[0].accidental_i_);
+ int no_of_acc = r->key_->ordinary_accidentals_i ();
+ // Hmm, can't these be handled/constructed by Key_change_req?
if (no_of_acc < 0)
{
int accidental = 6 ; // First accidental: bes
}
else // Special key
{
- for (int i = 0; i < r->pitch_arr_.size (); i ++)
+ for (int i = 0; i < r->key_->pitch_arr_.size (); i ++)
{
- Musical_pitch m_l =r->pitch_arr_[i];
+ Musical_pitch m_l =r->key_->pitch_arr_[i];
if (key_.multi_octave_b_)
key_.set (m_l);
else
Key_engraver::do_post_move_processing ()
{
keyreq_l_ = 0;
- default_key_b_ = false;
old_accidental_idx_arr_.clear ();
}
-
-IMPLEMENT_IS_TYPE_B1 (Key_engraver,Engraver);
ADD_THIS_TRANSLATOR (Key_engraver);
projects / lilypond.git / blobdiff