moved old qt4 branch

1 files changed, 250 insertions, 0 deletions

diff --git a/muse_qt4_evolution/midiplugins/drumglue/drumglue.cpp b/muse_qt4_evolution/midiplugins/drumglue/drumglue.cpp
new file mode 100644
index 00000000..7a9b6ed2
--- /dev/null
+++ b/muse_qt4_evolution/midiplugins/drumglue/drumglue.cpp
@@ -0,0 +1,250 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//
+//    drumglue - filter
+//
+//  (C) Copyright 2008 Robert Jonsson (rj@spamatica.se)
+//  (C) Copyright 2005- Werner Schweer (ws@seh.de)
+// Copyright: See COPYING file that comes with this distribution
+//=========================================================
+
+#include "drumgluegui.h"
+#include "drumglue.h"
+#include "midi.h"
+#include "midievent.h"
+
+
+
+//---------------------------------------------------------
+//   DrumInstrument - get next index
+//     - next output instrument to use
+//---------------------------------------------------------
+int DrumInstrument::getNextIndex(int /*velocity*/)
+{
+	// for now we simply do a round robin
+	//
+	// future improvements are to keep track of
+	// the time since the last hit and the
+	// weight set for each instrument.
+	// the incoming velocity should be checked that it's in range
+	if (outputInstruments.size() == 0)
+		return -1;
+	
+	if (lastOutputIndex+1 > outputInstruments.size()-1)
+		return 0;
+	else
+		return lastOutputIndex+1;
+}
+
+//---------------------------------------------------------
+//   DrumInstrument - get velocity
+//     - velocity value to use
+//---------------------------------------------------------
+int DrumInstrument::getVelocity(int /*index*/, int velocity)
+{
+	// for now we just return the same velocity
+	// future improvements are to allow for some
+	return velocity;
+}
+
+
+//---------------------------------------------------------
+//   DrumGlue - constructor
+//---------------------------------------------------------
+DrumGlue::DrumGlue(const char* name, const MempiHost* h)
+   : Mempi(name, h)
+      {
+      gui = 0;
+      saveData = NULL;
+      }
+
+//---------------------------------------------------------
+//   DrumGlue - destructor
+//---------------------------------------------------------
+DrumGlue::~DrumGlue()
+      {
+      if (gui)
+            delete gui;
+      if (saveData)
+      		delete saveData;
+      }
+
+//---------------------------------------------------------
+//   init
+//---------------------------------------------------------
+
+bool DrumGlue::init()
+      {
+      gui = new DrumGlueGui(this, 0);
+      gui->setWindowTitle("MusE: "+QString(name()));
+      gui->show();
+      return false;
+      }
+
+//---------------------------------------------------------
+//   getGeometry
+//---------------------------------------------------------
+
+void DrumGlue::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 DrumGlue::setGeometry(int x, int y, int w, int h)
+      {
+      gui->resize(QSize(w, h));
+      gui->move(QPoint(x, y));
+      }
+
+//---------------------------------------------------------
+//   process
+//---------------------------------------------------------
+
+void DrumGlue::process(unsigned , unsigned , MidiEventList* il, MidiEventList* ol)
+      {
+
+      for (iMidiEvent i = il->begin(); i != il->end(); ++i) {
+            MidiEvent temp=*i;
+            if (temp.isNote() && !temp.isNoteOff())
+                {
+					foreach(DrumInstrument *di, drumInstruments) {
+						if (temp.dataA() == di->inKey) {
+							int inVelocity = temp.dataB();
+							int instrumentIdx = di->getNextIndex(inVelocity);
+							if (instrumentIdx==-1) {
+								// no instrument defined, yet, skip it
+								break;
+							}
+							int outKey = di->outputInstruments[instrumentIdx]->outKey;
+							int outVelocity= di->getVelocity(instrumentIdx, inVelocity);
+							printf("inKey=%d outKey =%d outVelocity=%d instrumentIdx=%d\n", di->inKey, outKey, outVelocity, instrumentIdx);
+							temp.setA(outKey);
+							temp.setB(outVelocity);
+							
+							ol->insert(temp);	// note on
+							
+							temp.setB(0);
+							ol->insert(temp);	// note off
+							
+							di->lastOutputIndex = instrumentIdx;
+							di->outputTime = temp.time();
+							break;
+							}
+                    	}
+                 }
+            if (temp.isNoteOff()) ; // we just throw it away, we will insert noteoffs for each note on
+            }
+      }
+
+//
+// getInitData - return configuration to MusE
+//
+void DrumGlue::getInitData(int* n, const unsigned char** p) const
+      {
+       QString saveStr;
+       
+       foreach (DrumInstrument *di, drumInstruments) {
+       		QString drumline = "DRUM " +di->name + " " + QString("%1").arg(di->inKey) + "\n";
+       		saveStr.append(drumline);
+       		foreach (DrumOutputInstrument *doi, di->outputInstruments) {
+				QString outputline = "OUTPUT " + 
+									QString("%1").arg(doi->outKey) + " " + 
+									QString("%1").arg(doi->lowestVelocity) + " " + 
+									QString("%1").arg(doi->highestVelocity) + " " + 
+									QString("%1").arg(doi->prefer) + " " + 
+									QString("%1").arg(doi->preferFast) + "\n";
+				saveStr.append(outputline);
+       			
+       		}
+       }
+       
+      *n = saveStr.length();
+      
+      if (saveData)
+      	delete saveData;
+      	
+      
+      saveData = new unsigned char[saveStr.length()];
+      
+      strncpy((char*)saveData, saveStr.toLatin1().data(), saveStr.length());
+      saveData[saveStr.length()]=0;
+      printf("getInitData -\n%s\n",saveData);
+      
+      *p = saveData;
+
+      }
+
+void DrumGlue::setInitData(int n, const unsigned char* p)
+      {
+      if (saveData)
+      		delete saveData;
+      saveData = new unsigned char[n+1];
+      		
+      strncpy((char*)saveData,(char*)p,n);
+      saveData[n]=0;
+      
+      QString loadStr = (char*)saveData;
+      printf("setInitData -\n%s\n",saveData);
+      	
+      QStringList loadList = loadStr.split("\n");
+      	
+      DrumInstrument *currentInstrument=NULL;
+      foreach (QString line, loadList) {
+      		QStringList splitLine = line.split(" ");
+      		if (splitLine[0] == "DRUM") {
+      			if (currentInstrument)
+      				drumInstruments.append(currentInstrument);
+      			
+      			currentInstrument = new DrumInstrument();
+      			currentInstrument->name = splitLine[1];
+      			currentInstrument->inKey = splitLine[2].toInt();
+      		}
+      		if (splitLine[0] == "OUTPUT") {
+				DrumOutputInstrument *doi = new DrumOutputInstrument;
+				doi->outKey = splitLine[1].toInt();
+				doi->lowestVelocity = splitLine[2].toInt();
+				doi->highestVelocity = splitLine[3].toInt();
+				doi->prefer = splitLine[4].toInt();
+				doi->preferFast = splitLine[5].toInt();
+				currentInstrument->outputInstruments.append(doi);
+      		}
+      }
+      if (currentInstrument)
+		drumInstruments.append(currentInstrument);
+      
+      if (gui)
+            gui->init();
+      }
+
+//---------------------------------------------------------
+//   inst
+//---------------------------------------------------------
+
+static Mempi* instantiate(const char* name, const MempiHost* h)
+      {
+      return new DrumGlue(name, h);
+      }
+
+extern "C" {
+      static MEMPI descriptor = {
+            "DrumGlue",
+            "Drum instrument mux filter",
+            "0.1",                  // filter version string
+            MEMPI_FILTER,           // plugin type
+            MEMPI_MAJOR_VERSION, MEMPI_MINOR_VERSION,
+            instantiate
+            };
+
+      const MEMPI* mempi_descriptor() { return &descriptor; }
+      }
+