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authorRobert Jonsson <spamatica@gmail.com>2009-12-27 11:30:35 +0000
committerRobert Jonsson <spamatica@gmail.com>2009-12-27 11:30:35 +0000
commitb703eab295330e6f81564fbb39a10a1a2fdd2f54 (patch)
treee46b5c9a6bc22fd661c15d1d2123f5bf631cef80 /muse_qt4_evolution/midiplugins/metronom/metronom.cpp
parent5d5fa0fdf913907edbc3d2d29a7548f0cb658c94 (diff)
moved old qt4 branch
Diffstat (limited to 'muse_qt4_evolution/midiplugins/metronom/metronom.cpp')
-rw-r--r--muse_qt4_evolution/midiplugins/metronom/metronom.cpp167
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; }
+ }
+