From fe73876e8a9fc77e2776a780a9c519969a5a6c52 Mon Sep 17 00:00:00 2001
From: fred <fred>
Date: Thu, 10 Apr 1997 22:31:35 +0000
Subject: [PATCH] lilypond-0.0.51

---
 lily/head-reg.cc | 80 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 lily/head-reg.cc

diff --git a/lily/head-reg.cc b/lily/head-reg.cc
new file mode 100644
index 0000000000..fd84da6974
--- /dev/null
+++ b/lily/head-reg.cc
@@ -0,0 +1,80 @@
+/*
+  headreg.cc -- part of LilyPond
+
+  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+*/
+
+#include "notehead.hh"
+#include "head-reg.hh"
+#include "paper-def.hh"
+#include "complex-walker.hh"
+#include "musical-request.hh"
+
+Notehead_register::Notehead_register()
+{
+    note_p_ = 0;
+    set_feature(Features::dir(0));
+    post_move_processing();
+}
+
+bool
+Notehead_register::try_request(Request *req_l) 
+{
+    if (req_l->note() || req_l->rest())
+	note_req_l_=req_l->rhythmic();
+    else
+	return false;
+
+    return true;
+}
+void
+Notehead_register::set_feature(Features d)
+{
+    if(d.direction_i_ || d.initialiser_b_)
+	dir_i_ = d.direction_i_;
+}
+
+void
+Notehead_register::process_requests()
+{
+    if (!note_req_l_)
+	return;
+    
+    Notehead*n_p = new Notehead(8);	// ugh
+    note_p_ = n_p;
+    n_p->set_rhythmic(note_req_l_->rhythmic());
+
+    if (note_req_l_->note()) {
+	n_p->position = note_req_l_->note()->height() +
+	    *get_staff_info().c0_position_i_l_;
+    } else if (note_req_l_->rest()) {
+	n_p->rest_b_ = true;
+	if (note_req_l_->rhythmic()->duration_.type_i_ <= 2)
+	    note_p_->translate(
+		Offset(0,
+		       6 * paper()->internote()));
+    }
+    
+    Staff_elem_info itinf(note_p_,note_req_l_);
+    announce_element(itinf);
+}
+
+void
+Notehead_register::pre_move_processing()
+{
+    if (note_p_) {
+	if (dir_i_ && note_p_->rest_b_ ) {
+	    note_p_->position +=4*dir_i_ ;
+	}
+	typeset_element(note_p_);
+	note_p_ = 0;
+    }
+}
+void
+Notehead_register::post_move_processing()
+{
+    note_req_l_ = 0;
+}
+
+IMPLEMENT_STATIC_NAME(Notehead_register);
+ADD_THIS_REGISTER(Notehead_register);
-- 
2.39.5