moved old qt4 branch

1 files changed, 209 insertions, 0 deletions

diff --git a/muse_qt4_evolution/midiplugins/splitlayer/splitlayer.cpp b/muse_qt4_evolution/midiplugins/splitlayer/splitlayer.cpp
new file mode 100644
index 00000000..7ea4ba3e
--- /dev/null
+++ b/muse_qt4_evolution/midiplugins/splitlayer/splitlayer.cpp
@@ -0,0 +1,209 @@
+//=============================================================================
+//  MusE
+//  Linux Music Editor
+//  $Id:$
+//
+//  Copyright (C) 2006 by Werner Schweer
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License version 2.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//=============================================================================
+
+#include "splitlayergui.h"
+#include "splitlayer.h"
+#include "midi.h"
+#include "midievent.h"
+
+//---------------------------------------------------------
+//   SplitLayer
+//---------------------------------------------------------
+
+SplitLayer::SplitLayer(const char* name, const MempiHost* h)
+   : Mempi(name, h)
+      {
+      gui = 0;
+      }
+
+//---------------------------------------------------------
+//   SplitLayer
+//---------------------------------------------------------
+
+SplitLayer::~SplitLayer()
+      {
+      if (gui)
+            delete gui;
+      }
+
+//---------------------------------------------------------
+//   init
+//---------------------------------------------------------
+
+bool SplitLayer::init()
+      {
+      data.startVelo[0]   = 0;
+      data.endVelo[0]     = 128;
+      data.startPitch[0]  = 0;
+      data.endPitch[0]    = 128;
+      data.pitchOffset[0] = 0;
+      data.veloOffset[0]  = 0;
+      for (int i = 1; i < MIDI_CHANNELS; ++i) {
+            data.startVelo[i]   = 0;
+            data.endVelo[i]     = 0;
+            data.startPitch[i]  = 0;
+            data.endPitch[i]    = 0;
+            data.pitchOffset[i] = 0;
+            data.veloOffset[i]  = 0;
+            }
+      memset(notes, 0, 128 * sizeof(int));
+      learnMode = false;
+      gui = new SplitLayerGui(this, 0);
+      gui->hide();
+      gui->setWindowTitle(QString(name()));
+      gui->init();
+      return false;
+      }
+
+//---------------------------------------------------------
+//   getGeometry
+//---------------------------------------------------------
+
+void SplitLayer::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 SplitLayer::setGeometry(int x, int y, int w, int h)
+      {
+      gui->resize(QSize(w, h));
+      gui->move(QPoint(x, y));
+      }
+
+//---------------------------------------------------------
+//   process
+//---------------------------------------------------------
+
+void SplitLayer::process(unsigned, unsigned, MidiEventList* il, MidiEventList* ol)
+      {
+      for (iMidiEvent i = il->begin(); i != il->end(); ++i) {
+            if (i->type() != ME_NOTEON && i->type() != ME_NOTEOFF) {
+                  ol->insert(*i);
+                  continue;
+                  }
+            int pitch = i->dataA();
+            int velo  = i->dataB();
+            if (learnMode) {
+                  if (learnStartPitch)
+                        data.startPitch[learnChannel] = pitch;
+                  else
+                        data.endPitch[learnChannel] = pitch;
+                  learnMode = false;
+                  gui->sendResetLearnMode();
+                  return;
+                  }
+            if (i->type() == ME_NOTEON && velo) {
+                  for (int ch = 0; ch < MIDI_CHANNELS; ++ch) {
+                        MidiEvent event(*i);
+                        if (pitch >= data.startPitch[ch] 
+                           && pitch <= data.endPitch[ch]
+                           && velo >= data.startVelo[ch]
+                           && velo <= data.endVelo[ch]) {
+                              notes[pitch] |= (1 << ch);
+                              event.setChannel(ch);
+                              int p = pitch;
+                              int v = velo;
+                              p += data.pitchOffset[ch];
+                              if (p > 127)
+                                    p = 127;
+                              else if (p < 0)
+                                    p = 0;
+                              v += data.veloOffset[ch];
+                              if (v > 127)
+                                    v = 127;
+                              else if (v < 0)
+                                    v = 0;
+                              event.setA(p);
+                              event.setB(v);
+                              ol->insert(event);
+                              }
+                        }
+                  }
+            else {
+                  for (int ch = 0; ch < MIDI_CHANNELS; ++ch) {
+                        if (notes[pitch] & (1 << ch)) {
+                              MidiEvent event(*i);
+                              event.setChannel(ch);
+                              int p = pitch + data.pitchOffset[ch];
+                              if (p < 0)
+                                    p = 0;
+                              else if (p > 127)
+                                    p = 127;
+                              event.setA(p);
+                              ol->insert(event);
+                              }
+                        }
+                  notes[pitch] = 0;
+                  }
+            }
+      }
+
+//---------------------------------------------------------
+//   getInitData
+//---------------------------------------------------------
+
+void SplitLayer::getInitData(int* n, const unsigned char** p) const
+      {
+      *n = sizeof(data);
+      *p = (unsigned char*)&data;
+      }
+
+//---------------------------------------------------------
+//   setInitData
+//---------------------------------------------------------
+
+void SplitLayer::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 SplitLayer(name, h);
+      }
+
+extern "C" {
+      static MEMPI descriptor = {
+            "SplitLayer",
+            "MusE Midi Splits and Layers",
+            "0.1",      // version string
+            MEMPI_FILTER,
+            MEMPI_MAJOR_VERSION, MEMPI_MINOR_VERSION,
+            instantiate
+            };
+
+      const MEMPI* mempi_descriptor() { return &descriptor; }
+      }
+