new branch muse2, first checkin

1 files changed, 181 insertions, 0 deletions

diff --git a/muse2/muse/mplugins/mittranspose.cpp b/muse2/muse/mplugins/mittranspose.cpp
new file mode 100644
index 00000000..b9a260c9
--- /dev/null
+++ b/muse2/muse/mplugins/mittranspose.cpp
@@ -0,0 +1,181 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//  $Id: mittranspose.cpp,v 1.2.2.1 2009/05/03 04:14:00 terminator356 Exp $
+//
+//  (C) Copyright 2001 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include <qcheckbox.h>
+#include <qspinbox.h>
+#include <qlabel.h>
+#include <qtimer.h>
+//Added by qt3to4:
+#include <QCloseEvent>
+
+#include "mittranspose.h"
+#include "song.h"
+#include "mpevent.h"
+#include "pitchedit.h"
+#include "xml.h"
+#include "globals.h"
+
+MITPluginTranspose* mitPluginTranspose;
+
+//---------------------------------------------------------
+//   MITPluginTranspose
+//---------------------------------------------------------
+
+MITPluginTranspose::MITPluginTranspose(QWidget* parent, const char* name, Qt::WFlags fl)
+   : MITTransposeBase(parent, name, fl)
+      {
+      on        = false;
+      transpose = 0;
+      trigger   = 24;
+      transposeChangedFlag = false;
+      triggerKeySpinBox->setValue(trigger);
+
+      onToggled(false);
+      connect(onCheckBox, SIGNAL(toggled(bool)), SLOT(onToggled(bool)));
+      connect(triggerKeySpinBox, SIGNAL(valueChanged(int)),
+         SLOT(triggerKeyChanged(int)));
+      connect(heartBeatTimer, SIGNAL(timeout()), SLOT(noteReceived()));
+      }
+
+//---------------------------------------------------------
+//   closeEvent
+//---------------------------------------------------------
+
+void MITPluginTranspose::closeEvent(QCloseEvent* ev)
+      {
+      emit hideWindow();
+      QWidget::closeEvent(ev);
+      }
+
+//---------------------------------------------------------
+//   noteReceived
+//---------------------------------------------------------
+
+void MITPluginTranspose::noteReceived()
+    {
+      if (transposeChangedFlag)
+      {
+            // Added by Tim. p3.3.6
+            //printf("MITPluginTranspose::noteReceived\n");
+            
+            transposeChanged();
+      }      
+    }
+
+//---------------------------------------------------------
+//   triggerKeyChanged
+//---------------------------------------------------------
+
+void MITPluginTranspose::triggerKeyChanged(int val)
+      {
+      trigger = val;
+      }
+
+//---------------------------------------------------------
+//   transposeChanged
+//---------------------------------------------------------
+
+void MITPluginTranspose::transposeChanged()
+      {
+      QString s;
+      s.sprintf("%c%d", transpose >= 0 ? '-' : ' ', transpose);
+      transposeLabel->setText(s);
+      transposeChangedFlag = false;
+      }
+
+//---------------------------------------------------------
+//   onToggled
+//---------------------------------------------------------
+
+void MITPluginTranspose::onToggled(bool f)
+      {
+      on = f;
+      if (!on) {
+            transpose = 0;
+            transposeChanged();
+            keyOnList.clear();
+            }
+      transposeLabel->setEnabled(on);
+      triggerKeySpinBox->setEnabled(on);
+      }
+
+//---------------------------------------------------------
+//   process
+//---------------------------------------------------------
+
+void MITPluginTranspose::process(MEvent& ev)
+      {
+      if (!on || (ev.type() != 0x90))
+            return;
+      int pitch = ev.dataA();
+      if (pitch >= trigger && pitch < (trigger+12)) {
+            // process control keys
+            int diff = transpose - (pitch-trigger);
+            transpose -= diff;
+            transposeChangedFlag = true;
+            return;
+            }
+      if (ev.dataB() == 0) {
+            // Note Off
+            for (iKeyOn i = keyOnList.begin(); i != keyOnList.end(); ++i) {
+                  if (i->pitch == pitch && i->channel == ev.channel()
+                     && i->port == ev.port()) {
+                        pitch += i->transpose;
+                        keyOnList.erase(i);
+                        break;
+                        }
+                  }
+            }
+      else {
+            // Note On
+            keyOnList.push_back(KeyOn(pitch, ev.channel(), ev.port(), transpose));
+            pitch += transpose;
+            }
+      ev.setA(pitch);
+      }
+
+//---------------------------------------------------------
+//   readStatus
+//---------------------------------------------------------
+
+void MITPluginTranspose::readStatus(Xml& xml)
+      {
+      for (;;) {
+            Xml::Token token = xml.parse();
+            const QString& tag = xml.s1();
+            switch (token) {
+                  case Xml::Error:
+                  case Xml::End:
+                        return;
+                  case Xml::Text:
+                        if (tag == "on")
+                              on = xml.parseInt();
+                        else if (tag == "trigger")
+                              trigger = xml.parseInt();
+                        else
+                              xml.unknown("TransposePlugin");
+                        break;
+                  case Xml::TagEnd:
+                        if (xml.s1() == "mplugin")
+                              return;
+                  default:
+                        break;
+                  }
+            }
+      }
+
+//---------------------------------------------------------
+//   writeStatus
+//---------------------------------------------------------
+
+void MITPluginTranspose::writeStatus(int level, Xml& xml) const
+      {
+      xml.intTag(level, "on", on);
+      xml.intTag(level, "trigger", trigger);
+      }
+