lily/complex-walker.cc

   1 /*
   2   complex-walker.cc -- implement Complex_walker
   3
   4   source file of the LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "staff-column.hh"
  10 #include "voice.hh"
  11 #include "p-score.hh"
  12 #include "complex-staff.hh"
  13 #include "debug.hh"
  14 #include "complex-walker.hh"
  15 #include "walk-regs.hh"
  16
  17 void
  18 Complex_walker::do_post_move()
  19 {
  20     walk_regs_p_->post_move_processing();
  21 }
  22
  23 void
  24 Complex_walker::do_pre_move()
  25 {
  26     walk_regs_p_->pre_move_processing();
  27 }
  28
  29 void
  30 Complex_walker::do_announces()
  31 {
  32     walk_regs_p_->do_announces();
  33 }
  34
  35
  36 void
  37 Complex_walker::try_request(Request*req)
  38 {
  39     bool b =walk_regs_p_->try_request(req);
  40     if (!b)
  41         req->warning("junking request: "  + String(req->name()));
  42 }
  43
  44 void
  45 Complex_walker::process_requests()
  46 {
  47     Staff_column*c =ptr();
  48
  49     for (int i=0; i < c->creationreq_l_arr_.size(); i++) {
  50         try_request(c->creationreq_l_arr_[i]);
  51     }
  52     for (int i=0; i < c->commandreq_l_arr_.size(); i++) {
  53         try_request(c->commandreq_l_arr_[i]);
  54     }
  55
  56     for (int i=0; i < c->musicalreq_l_arr_.size(); i++) {
  57         try_request(c->musicalreq_l_arr_[i]);
  58     }
  59
  60     regs_process_requests();
  61     do_announces();
  62 }
  63
  64 void
  65 Complex_walker::regs_process_requests()
  66 {
  67     walk_regs_p_->process_requests();
  68 }
  69
  70 void
  71 Complex_walker::typeset_element(Score_elem *elem_p)
  72 {
  73     if (!elem_p)
  74         return;
  75     if (elem_p->spanner())
  76         pscore_l_->typeset_spanner(elem_p->spanner(), staff()->pstaff_l_);
  77     else
  78         ptr()->typeset_musical_item(elem_p->item());
  79 }
  80
  81 Complex_walker::Complex_walker(Complex_staff*s)
  82     : Staff_walker(s, s->pstaff_l_->pscore_l_)
  83 {
  84     walk_regs_p_ = new Walker_registers(this);
  85     do_post_move();
  86 }
  87
  88
  89 Complex_walker::~Complex_walker()
  90 {
  91 }
  92
  93 Complex_staff*
  94 Complex_walker::staff()
  95 {
  96     return (Complex_staff*) staff_l_;
  97 }
  98
  99
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