From: fred <fred>
Date: Mon, 17 Feb 1997 00:38:53 +0000 (+0000)
Subject: lilypond-0.0.32
X-Git-Tag: release/1.5.59~6333
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=e4a9dad03e89e40263091fb91a98b02e10ea4038;p=lilypond.git

lilypond-0.0.32
---

diff --git a/src/meterreg.cc b/src/meterreg.cc
new file mode 100644
index 0000000000..e7d8b8e973
--- /dev/null
+++ b/src/meterreg.cc
@@ -0,0 +1,63 @@
+/*
+  meterreg.cc -- implement Meter_register
+
+  source file of the LilyPond music typesetter
+
+  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+*/
+
+#include "meterreg.hh"
+#include "meter.hh"
+#include "commandrequest.hh"
+
+Meter_register::Meter_register(Complex_walker*w)
+    : Request_register(w)
+{
+    do_post_move_process();
+}
+
+bool
+Meter_register::try_request(Request*r_l)
+{
+    if (!r_l->nonmus()->meterchange()) 
+	return false;
+
+    assert(!meter_req_l_);
+    meter_req_l_ = r_l->nonmus()->meterchange();
+
+    return true;
+}
+
+void
+Meter_register::process_request()
+{
+    if (meter_req_l_ ) {
+	Array<Scalar> args;
+	args.push(meter_req_l_->beats_i_);
+	args.push(meter_req_l_->one_beat_i_);
+	
+	meter_p_ = new Meter(args);
+    }
+
+    if (meter_p_)
+	announce_element(Staff_elem_info(meter_p_, meter_req_l_, this) );
+}
+
+void
+Meter_register::do_pre_move_process()
+{
+    if (meter_p_) {
+	Meter * post_p =new Meter(*meter_p_);
+	Meter * pre_p =new Meter(*meter_p_);
+	
+	typeset_breakable_item(pre_p, meter_p_, post_p);
+	meter_p_ =0;
+    }
+}
+
+void
+Meter_register::do_post_move_process()
+{
+    meter_req_l_ = 0;
+    meter_p_ =0;
+}