--- /dev/null
+/*
+ headreg.hh -- part of LilyPond
+
+ (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+*/
+
+
+#ifndef HEADREG_HH
+#define HEADREG_HH
+#include "register.hh"
+
+struct Notehead_register : Request_register {
+ Item* note_p_;
+ int dir_i_;
+ /* *************** */
+ Notehead_register(Complex_walker*);
+ virtual bool try_request(Request *req_l) ;
+ virtual void process_request();
+ virtual void do_pre_move_process();
+ void set_dir(int);
+};
+
+
+#endif // HEADREG_HH
#define REGISTER_HH
#include "proto.hh"
#include "varray.hh"
+#include "request.hh"
/// data container.
struct Staff_elem_info {
Staff_elem * elem_p_;
Request*req_l_;
const Voice * voice_l_;
- Voice_group_registers * group_regs_l_;
-
+ Voice_group_registers * group_regs_l_;
Request_register * origin_reg_l_;
- /****/
+ /* *** */
Staff_elem_info(Staff_elem*, Request*, Request_register*);
Staff_elem_info();
};
/// Hungarian postfix: reg
+/**
+ a struct which processes requests, and creates the Staff_elems
+ */
struct Request_register {
Complex_walker * walk_l_;
Array<Request*> accepted_req_arr_;
- /****************/
-
+ /* *************** */
+ /**
+ Warning: you can't copy a Request_register
+ */
+ Request_register(Request_register const &);
Request_register(Complex_walker*);
Request_register();
virtual ~Request_register(){}
- /// take note of item/spaanner
+ /** take note of item/spaanner
+ put item in spanner. Adjust local key; etc.
+ */
virtual void acknowledge_element(Staff_elem_info){}
/**
- put item in spanner. Adjust local key; etc.
+ Announce element to walker
+ */
+ void announce_element(Staff_elem_info);
+
+ /**
+ invoke walker method to typeset element
*/
+ void typeset_element(Staff_elem*elem_p);
- ///
- virtual bool try_request(Request *req_l) =0;
/**
try to fit the request in this register
- RETURN
- false: request noted, but not taken.
+ @return
+ false: not noted, not taken.
true: request swallowed. Don't try to put elsewhere
(may be we could use C++ exceptions.. :-)
*/
-
+ virtual bool try_request(Request *req_l) =0;
+
/// make items/spanners with the requests you got
virtual void process_request()=0;
-
+ Paperdef * paper() const;
/// typeset any spanners. Empty accepted_req_arr_
void pre_move_processing();
void post_move_processing();
-
+ virtual void set_dir(int){}
protected:
/// virtual, called by pre_move_process()
virtual void do_pre_move_process(){}
virtual void do_post_move_process(){}
};
-/**
- a struct which processes requests, and creates the Staff_elems
- */
-struct Notehead_register : Request_register {
- Item* note_p_;
- /****************/
- Notehead_register(Complex_walker*);
- virtual bool try_request(Request *req_l) ;
- virtual void process_request();
- virtual void do_pre_move_process();
-};
-
-struct Slur_register : Request_register {
- Array<Slur_req*> requests_arr_;
- Array<Slur *> slur_l_stack_;
- Array<Slur*> end_slur_l_arr_;
-
- /****************/
- ~Slur_register();
- Slur_register(Complex_walker*);
- virtual bool try_request(Request*);
- virtual void process_request();
- virtual void acknowledge_element(Staff_elem_info);
- virtual void do_pre_move_process();
-};
-
-struct Stem_beam_register : Request_register {
- Stem * stem_p_;
- Beam * beam_p_;
- Beam_req * beam_req_l_;
- Stem_req * stem_req_l_;
- Beam_req * start_req_l_;
- bool end_beam_b_;
- Rhythmic_grouping *current_grouping;
- int default_dir_i_;
-
- /****************/
- Stem_beam_register(Complex_walker*);
- ~Stem_beam_register();
- void set_dir(int dir_i_);
- virtual bool try_request(Request*);
- virtual void process_request();
- virtual void acknowledge_element(Staff_elem_info);
- virtual void do_pre_move_process();
- virtual void do_post_move_process();
-};
-
-struct Script_register : Request_register {
- Script * script_p_;
-
- /****************/
- void set_dir(int dir_i_);
- Script_register(Complex_walker*);
- virtual bool try_request(Request*);
- virtual void process_request();
- virtual void acknowledge_element(Staff_elem_info);
- virtual void do_pre_move_process();
-};
-
-struct Text_register : Request_register{
- Text_item * text_p_;
-
- /****************/
- void set_dir(int dir_i_);
- Text_register(Complex_walker*);
- virtual bool try_request(Request*);
- virtual void process_request();
- virtual void do_pre_move_process();
-};
-
-
-struct Local_key_register : Request_register {
- Local_key_item* key_item_p_;
-
- /****************/
-
- virtual bool try_request(Request*);
- virtual void process_request();
- virtual void acknowledge_element(Staff_elem_info);
- virtual void do_pre_move_process();
- Local_key_register(Complex_walker*);
-};
#endif // REGISTER_HH
-#include "script.hh"
-#include "request.hh"
-#include "beam.hh"
-#include "stem.hh"
-#include "register.hh"
-#include "grouping.hh"
-#include "complexwalker.hh"
-#include "debug.hh"
-#include "complexstaff.hh"
-#include "textspanner.hh"
-#include "textitem.hh"
-
-Stem_beam_register::Stem_beam_register(Complex_walker*w)
- :Request_register(w)
-{
- do_post_move_process();
- current_grouping = 0;
- beam_p_ = 0;
- set_dir(0);
- start_req_l_ = 0;
-}
-
-bool
-Stem_beam_register::try_request(Request*req_l)
-{
- if ( req_l->beam() ) {
- if (bool(beam_p_ ) == bool(req_l->beam()->spantype == Span_req::START))
- return false;
-
- if (beam_req_l_ && Beam_req::compare(*beam_req_l_ , *req_l->beam()))
- return false;
-
- beam_req_l_ = req_l->beam();
- return true;
- }
-
- if ( req_l->stem() ) {
- if (current_grouping && !current_grouping->child_fit_query(
- walk_l_->col()->tdescription_->whole_in_measure))
- return false;
-
- if (stem_req_l_ && Stem_req::compare(*stem_req_l_, *req_l->stem()))
- return false;
-
- stem_req_l_ = req_l->stem();
- return true;
- }
- return false;
-}
-
-void
-Stem_beam_register::process_request()
-{
- if (beam_req_l_) {
- if (beam_req_l_->spantype == Span_req::STOP) {
- end_beam_b_ = true;
- start_req_l_ = 0;
- } else {
- beam_p_ = new Beam;
- start_req_l_ = beam_req_l_;
-// walk_l_->announce_element(Staff_elem_info(beam_p_, ))
- current_grouping = new Rhythmic_grouping;
- if (beam_req_l_->nplet) {
- Text_spanner* t = new Text_spanner();
- t->set_support(beam_p_);
- t->spec.align_i_ = 0;
- t->spec.text_str_ = beam_req_l_->nplet;
- walk_l_->typeset_element(t);
- }
-
- }
- }
-
- if (stem_req_l_) {
- stem_p_ = new Stem(4);
- if (current_grouping)
- current_grouping->add_child(
- walk_l_->col()->tdescription_->whole_in_measure,
- stem_req_l_->duration());
-
- stem_p_->flag = stem_req_l_->balltype;
-
- if (beam_p_) {
- if (stem_req_l_->balltype<= 4)
- warning( "stem doesn't fit in Beam",
- stem_req_l_->defined_ch_c_l_m);
- else
- beam_p_->add(stem_p_);
- stem_p_->print_flag = false;
- } else {
- stem_p_->print_flag = true;
- }
-
- walk_l_->announce_element(Staff_elem_info(stem_p_,
- stem_req_l_, this));
- }
-}
-
-void
-Stem_beam_register::acknowledge_element(Staff_elem_info info)
-{
- if (!stem_p_)
- return;
-
- if (info.elem_p_->name() == String("Notehead") &&
- stem_req_l_->duration() == info.req_l_->rhythmic()->duration())
-
- stem_p_->add((Notehead*)info.elem_p_);
-}
-
-void
-Stem_beam_register::do_pre_move_process()
-{
- if (stem_p_) {
- if (default_dir_i_)
- stem_p_->dir = default_dir_i_;
-
- walk_l_->typeset_element(stem_p_);
- stem_p_ = 0;
- }
- if (beam_p_ && end_beam_b_) {
- walk_l_->default_grouping.extend(current_grouping->interval());
- beam_p_->set_grouping(walk_l_->default_grouping, *current_grouping);
- walk_l_->typeset_element(beam_p_);
- delete current_grouping;
- current_grouping = 0;
- beam_p_ = 0;
- }
- end_beam_b_ = false;
-}
-void
-Stem_beam_register::do_post_move_process()
-{
- stem_p_ = 0;
- beam_req_l_ = 0;
- stem_req_l_ = 0;
- end_beam_b_ = false;
-}
-
-Stem_beam_register::~Stem_beam_register()
-{
- if (beam_p_)
- warning("unterminated beam", start_req_l_->defined_ch_c_l_m);
-}
-
-void
-Stem_beam_register::set_dir(int i)
-{
- default_dir_i_ = i;
-}
-/****************/
-
-Script_register::Script_register(Complex_walker*w)
- : Request_register(w)
-{
- script_p_ = 0;
-}
-
-bool
-Script_register::try_request(Request *r_l)
-{
- if (!r_l->script())
- return false ;
-
- if (accepted_req_arr_.size()
- && Script_req::compare(
- *accepted_req_arr_[0]->script(), *r_l->script()))
-
- return false;
-
- accepted_req_arr_.push(r_l);
-
- return true;
-}
-void
-Script_register::process_request()
-{
- if (accepted_req_arr_.size() ) {
- script_p_ = new Script(accepted_req_arr_[0]->script(), 10);
- walk_l_->announce_element(
- Staff_elem_info(script_p_, accepted_req_arr_[0], this));
- }
-}
-
-void
-Script_register::acknowledge_element(Staff_elem_info info)
-{
- if (!script_p_)
- return;
- if (info.elem_p_->name() == String("Stem"))
- script_p_->set_stem((Stem*)info.elem_p_);
- else if (info.req_l_->rhythmic())
- script_p_->set_support(info.elem_p_->item());
-}
-
-void
-Script_register::do_pre_move_process()
-{
- if (script_p_){
- walk_l_->typeset_element(script_p_);
- script_p_ = 0;
- }
-}
-/******************/
-
-
-Text_register::Text_register(Complex_walker*w)
- : Request_register(w)
-{
- text_p_ = 0;
-}
-
-bool
-Text_register::try_request(Request*req_l)
-{
- if (!req_l->text())
- return false;
- if (accepted_req_arr_.size() &&
- Text_req::compare(*req_l->text(), *accepted_req_arr_[0]->text()))
-
- return false;
-
- accepted_req_arr_.push(req_l);
- return true;
-}
-
-void
-Text_register::process_request()
-{
-
- if (accepted_req_arr_.size()) {
- text_p_ = new Text_item(accepted_req_arr_[0]->text(), 10);
- walk_l_->announce_element(Staff_elem_info(text_p_,
- accepted_req_arr_[0], this));
- }
-}
-void
-Text_register::do_pre_move_process()
-{
- if (text_p_) {
- walk_l_->typeset_element(text_p_);
- text_p_ = 0;
- }
-}
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