lilypond-0.0.32

diff --git a/src/meterreg.cc b/src/meterreg.cc
new file mode 100644 (file)
index 0000000..e7d8b8e
--- /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;
+}