--- /dev/null
+/*
+ complex-walker.cc -- implement Complex_walker
+
+ source file of the LilyPond music typesetter
+
+ (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+*/
+
+#include "musicalrequest.hh"
+#include "staff-column.hh"
+#include "voice.hh"
+#include "pscore.hh"
+#include "complex-staff.hh"
+#include "debug.hh"
+#include "voice-group-regs.hh"
+#include "voice-regs.hh"
+#include "complex-walker.hh"
+//#include "misc.hh"
+#include "commandrequest.hh"
+#include "walk-regs.hh"
+
+void
+Complex_walker::do_post_move()
+{
+ walk_regs_p_->post_move_processing();
+}
+
+void
+Complex_walker::do_pre_move()
+{
+ walk_regs_p_->pre_move_processing();
+}
+
+void
+Complex_walker::do_announces()
+{
+ walk_regs_p_->do_announces();
+}
+
+bool
+Complex_walker::try_command_request(Command_req *req_l)
+{
+ return walk_regs_p_->try_request(req_l);
+}
+
+void
+Complex_walker::try_request(Request*req)
+{
+ walk_regs_p_->try_request(req);
+}
+
+void
+Complex_walker::process_requests()
+{
+ Staff_column*c =ptr();
+
+ for (int i=0; i < c->creationreq_l_arr_.size(); i++) {
+ try_request(c->creationreq_l_arr_[i]);
+ }
+ for (int i=0; i < c->commandreq_l_arr_.size(); i++) {
+ try_request(c->commandreq_l_arr_[i]);
+ }
+
+ for (int i=0; i < c->musicalreq_l_arr_.size(); i++) {
+ try_request(c->musicalreq_l_arr_[i]);
+ }
+
+ regs_process_requests();
+ do_announces();
+}
+
+void
+Complex_walker::regs_process_requests()
+{
+ walk_regs_p_->process_requests();
+}
+
+void
+Complex_walker::typeset_element(Staff_elem *elem_p)
+{
+ if (!elem_p)
+ return;
+ if (elem_p->spanner())
+ pscore_l_->typeset_spanner(elem_p->spanner(), staff()->pstaff_l_);
+ else
+ ptr()->typeset_musical_item(elem_p->item());
+}
+
+Complex_walker::Complex_walker(Complex_staff*s)
+ : Staff_walker(s, s->pstaff_l_->pscore_l_)
+{
+ walk_regs_p_ = new Walker_registers(this);
+ do_post_move();
+}
+
+
+Complex_walker::~Complex_walker()
+{
+}
+
+Complex_staff*
+Complex_walker::staff()
+{
+ return (Complex_staff*) staff_l_;
+}
+
+
+