From 9d07b433277aca693069377fea01b38ae7130457 Mon Sep 17 00:00:00 2001
From: fred <fred>
Date: Mon, 17 Feb 1997 23:21:39 +0000
Subject: [PATCH] lilypond-0.0.32

---
 src/keyreg.cc | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 src/keyreg.cc

diff --git a/src/keyreg.cc b/src/keyreg.cc
new file mode 100644
index 0000000000..963ebaf649
--- /dev/null
+++ b/src/keyreg.cc
@@ -0,0 +1,90 @@
+/*
+  keyreg.cc -- implement Key_register
+
+  source file of the LilyPond music typesetter
+
+  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+
+  todo: key undo
+  
+  */
+
+#include "keyreg.hh"
+#include "keyitem.hh"
+#include "complexwalker.hh"
+#include "commandrequest.hh"
+#include "stcol.hh"
+#include "localkeyreg.hh"
+#include "musicalrequest.hh"
+
+Key_register::Key_register(Complex_walker*w)
+    : Request_register(w)
+{
+    do_post_move_process();
+}
+
+
+bool
+Key_register::try_request(Request * req_l)
+{
+    if (!req_l->nonmus()->keychange())
+	return false;
+    assert(!keyreq_l_);		// todo
+    keyreq_l_ = req_l->nonmus()->keychange();
+    read_req(keyreq_l_);
+    walk_l_->local_key_reg_p_->local_key_.reset(key_); // ugh
+    return true;
+}
+
+void
+Key_register::process_request()
+{
+    Time_description *time_l = &walk_l_->time_;
+
+    if (!keyreq_l_ &&
+	(!time_l->whole_in_measure_|| !time_l->when_)) {
+	default_key_b_ = true;
+    }
+
+     if (default_key_b_ || keyreq_l_) {
+	 kit_p_ = new Key_item(walk_l_->c0_position_i());
+	 kit_p_->read(*this);
+	 announce_element(Staff_elem_info(kit_p_, keyreq_l_, this));
+     }
+}
+
+void
+Key_register::do_pre_move_process()
+{
+    if (kit_p_) {
+	if (default_key_b_)
+	    typeset_breakable_item(0,0,kit_p_);
+	else 
+	    typeset_breakable_item(
+		new Key_item(*kit_p_), kit_p_, new Key_item(*kit_p_));
+	kit_p_ = 0;
+    }
+}
+
+
+    
+void
+Key_register::read_req(Key_change_req * r)
+{
+    accidental_idx_arr_.set_size(0);
+    for (int i = 0; i < r->melodic_p_arr_.size(); i ++) {
+	int n_i=r->melodic_p_arr_[i]->notename_i_;
+	key_.set(n_i, r->melodic_p_arr_[i]->accidental_i_);
+	accidental_idx_arr_.push(n_i);
+    }
+}
+
+void
+Key_register::do_post_move_process()
+{
+    keyreq_l_ = 0;
+    default_key_b_ = false;
+    kit_p_ = 0;
+    if (!walk_l_->time_.whole_in_measure_)
+	walk_l_->local_key_reg_p_->local_key_.reset(key_); // ugh
+}
-- 
2.39.5