1 files changed, 167 insertions, 0 deletions
diff --git a/muse_qt4_evolution/midiplugins/metronom/metronom.cpp b/muse_qt4_evolution/midiplugins/metronom/metronom.cpp
new file mode 100644
index 00000000..ece1e466
--- /dev/null
+++ b/muse_qt4_evolution/midiplugins/metronom/metronom.cpp
@@ -0,0 +1,167 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//  $Id: metronom.cpp,v 1.3 2005/11/16 17:55:59 wschweer Exp $
+//
+//    metronom  - midi metronom
+//
+//  (C) Copyright 2005 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include "metronomgui.h"
+#include "metronom.h"
+#include "midi.h"
+#include "midievent.h"
+
+//---------------------------------------------------------
+//   Metronom
+//---------------------------------------------------------
+
+Metronom::Metronom(const char* name, const MempiHost* h)
+   : Mempi(name, h)
+      {
+      gui = 0;
+      }
+
+//---------------------------------------------------------
+//   Metronom
+//---------------------------------------------------------
+
+Metronom::~Metronom()
+      {
+      if (gui)
+            delete gui;
+      }
+
+//---------------------------------------------------------
+//   init
+//---------------------------------------------------------
+
+bool Metronom::init()
+      {
+      nextTick         = 0;
+      lastTo           = 0;
+      data.measureNote = 63;
+      data.measureVelo = 127;
+      data.beatNote    = 63;
+      data.beatVelo    = 70;
+
+      gui = new MetronomGui(this, 0);
+      gui->hide();
+      gui->setWindowTitle(QString(name()));
+
+      return false;
+      }
+
+//---------------------------------------------------------
+//   getGeometry
+//---------------------------------------------------------
+
+void Metronom::getGeometry(int* x, int* y, int* w, int* h) const
+      {
+      QPoint pos(gui->pos());
+      QSize size(gui->size());
+      *x = pos.x();
+      *y = pos.y();
+      *w = size.width();
+      *h = size.height();
+      }
+
+//---------------------------------------------------------
+//   setGeometry
+//---------------------------------------------------------
+
+void Metronom::setGeometry(int x, int y, int w, int h)
+      {
+      gui->resize(QSize(w, h));
+      gui->move(QPoint(x, y));
+      }
+
+//---------------------------------------------------------
+//   process
+//---------------------------------------------------------
+
+void Metronom::process(unsigned from, unsigned to, MidiEventList* /*il*/, MidiEventList* ol)
+      {
+      if (from == to) {
+            nextTick = 0;
+            return;
+            }
+      if (lastTo != from) {    // seek?
+//            printf("  seek? %d-%d\n", lastTo, from);
+            nextTick = 0;
+            }
+      lastTo = to;
+      if (nextTick > to)
+            return;
+      while (nextTick < to) {
+            int bar, beat;
+            unsigned tick;
+            if (nextTick < from) {
+                  host->bar(from, &bar, &beat, &tick);
+                  if (tick)
+                        nextTick = host->bar2tick(bar, beat+1, 0);
+                  else
+                        nextTick = from;
+                  }
+            host->bar(nextTick, &bar, &beat, &tick);
+            bool isMeasure = beat == 0;
+
+            MidiEvent ev(nextTick, 0, ME_NOTEON, data.beatNote, data.beatVelo);
+            if (isMeasure) {
+                  ev.setA(data.measureNote);
+                  ev.setB(data.measureVelo);
+                  }
+            ol->insert(ev);   // insert note on
+            ev.setB(0);
+            ev.setTime(nextTick + 10);
+            ev.setB(0);
+            ol->insert(ev);   // insert note off
+
+            nextTick = host->bar2tick(bar, beat+1, 0);
+            }
+      }
+
+//---------------------------------------------------------
+//   getInitData
+//---------------------------------------------------------
+
+void Metronom::getInitData(int* n, const unsigned char** p) const
+      {
+      *n = sizeof(data);
+      *p = (unsigned char*)&data;
+      }
+
+//---------------------------------------------------------
+//   setInitData
+//---------------------------------------------------------
+
+void Metronom::setInitData(int n, const unsigned char* p)
+      {
+      memcpy((void*)&data, p, n);
+      if (gui)
+            gui->init();
+      }
+
+//---------------------------------------------------------
+//   inst
+//---------------------------------------------------------
+
+static Mempi* instantiate(const char* name, const MempiHost* h)
+      {
+      return new Metronom(name, h);
+      }
+
+extern "C" {
+      static MEMPI descriptor = {
+            "Metronom",
+            "MusE Simple Midi Metronom",
+            "0.1",      // version string
+            MEMPI_GENERATOR,
+            MEMPI_MAJOR_VERSION, MEMPI_MINOR_VERSION,
+            instantiate
+            };
+
+      const MEMPI* mempi_descriptor() { return &descriptor; }
+      }
+