new branch muse2, first checkin

1 files changed, 237 insertions, 0 deletions

diff --git a/muse2/muse/midieditor.cpp b/muse2/muse/midieditor.cpp
new file mode 100644
index 00000000..60a95643
--- /dev/null
+++ b/muse2/muse/midieditor.cpp
@@ -0,0 +1,237 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    $Id: midieditor.cpp,v 1.2.2.2 2009/02/02 21:38:00 terminator356 Exp $
+//  (C) Copyright 1999 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include "midieditor.h"
+#include "midiedit/ecanvas.h"
+#include "waveedit/waveview.h"
+#include "scrollscale.h"
+#include "mtscale.h"
+#include <qlayout.h>
+#include <qrect.h>
+#include <qcolor.h>
+//Added by qt3to4:
+#include <Q3GridLayout>
+#include "xml.h"
+#include "part.h"
+#include "track.h"
+#include "song.h"
+
+//---------------------------------------------------------
+//   MidiEditor
+//---------------------------------------------------------
+
+MidiEditor::MidiEditor(int q, int r, PartList* pl,
+   QWidget* parent, const char* name) : TopWin(parent, name)
+      {
+      _pl = pl;
+      if (_pl)
+            for (iPart i = _pl->begin(); i != _pl->end(); ++i)
+                  _parts.push_back(i->second->sn());
+      _quant   = q;
+      _raster  = r;
+      canvas   = 0;
+      wview    = 0;
+      _curDrumInstrument = -1;
+      mainw    = new QWidget(this);
+      mainGrid = new Q3GridLayout(mainw);
+      setCentralWidget(mainw);
+      }
+
+//---------------------------------------------------------
+//   genPartlist
+//---------------------------------------------------------
+
+void MidiEditor::genPartlist()
+      {
+      _pl->clear();
+      for (std::list<int>::iterator i = _parts.begin(); i != _parts.end(); ++i) {
+            TrackList* tl = song->tracks();
+            for (iTrack it = tl->begin(); it != tl->end(); ++it) {
+                  PartList* pl = (*it)->parts();
+                  iPart ip;
+                  for (ip = pl->begin(); ip != pl->end(); ++ip) {
+                        if (ip->second->sn() == *i) {
+                              _pl->add(ip->second);
+                              break;
+                              }
+                        }
+                  if (ip != pl->end())
+                        break;
+                  }
+            }
+      }
+
+//---------------------------------------------------------
+//   MidiEditor
+//---------------------------------------------------------
+
+MidiEditor::~MidiEditor()
+      {
+      if (_pl)
+            delete _pl;
+      }
+
+//---------------------------------------------------------
+//   quantVal
+//---------------------------------------------------------
+
+int MidiEditor::quantVal(int v) const
+      {
+      int val = ((v+_quant/2)/_quant)*_quant;
+      if (val == 0)
+            val = _quant;
+      return val;
+      }
+
+//---------------------------------------------------------
+//   readStatus
+//---------------------------------------------------------
+
+void MidiEditor::readStatus(Xml& xml)
+      {
+      if (_pl == 0)
+            _pl = new PartList;
+
+      for (;;) {
+            Xml::Token token = xml.parse();
+            QString tag = xml.s1();
+            switch (token) {
+                  case Xml::Error:
+                  case Xml::End:
+                        return;
+                  case Xml::TagStart:
+                        if (tag == "quant")
+                              _quant = xml.parseInt();
+                        else if (tag == "raster")
+                              _raster = xml.parseInt();
+                        else if (tag == "topwin")
+                              TopWin::readStatus(xml);
+                        else
+                              xml.unknown("MidiEditor");
+                        break;
+                  case Xml::TagEnd:
+                        if (tag == "midieditor")
+                              return;
+                  default:
+                        break;
+                  }
+            }
+      }
+
+//---------------------------------------------------------
+//   writePartList
+//---------------------------------------------------------
+
+void MidiEditor::writePartList(int level, Xml& xml) const
+      {
+      for (ciPart p = _pl->begin(); p != _pl->end(); ++p) {
+            Part* part   = p->second;
+            Track* track = part->track();
+            int trkIdx   = song->tracks()->index(track);
+            int partIdx  = track->parts()->index(part);
+            
+            if((trkIdx == -1) || (partIdx == -1))
+              printf("MidiEditor::writePartList error: trkIdx:%d partIdx:%d\n", trkIdx, partIdx);
+              
+            xml.put(level, "<part>%d:%d</part>", trkIdx, partIdx);
+            }
+      }
+
+//---------------------------------------------------------
+//   writeStatus
+//---------------------------------------------------------
+
+void MidiEditor::writeStatus(int level, Xml& xml) const
+      {
+      xml.tag(level++, "midieditor");
+      TopWin::writeStatus(level, xml);
+      xml.intTag(level, "quant", _quant);
+      xml.intTag(level, "raster", _raster);
+      xml.tag(level, "/midieditor");
+      }
+
+//---------------------------------------------------------
+//   songChanged
+//---------------------------------------------------------
+
+void MidiEditor::songChanged(int type)
+      {
+      
+      if (type) {
+            if (type & (SC_PART_REMOVED | SC_PART_MODIFIED
+               | SC_PART_INSERTED | SC_TRACK_REMOVED)) {
+                  genPartlist();
+                  // close window if editor has no parts anymore
+                  if (parts()->empty()) {
+                        close(false);
+                        return;
+                        }
+                  }
+            if (canvas)
+                  canvas->songChanged(type);
+            else if (wview)
+                  wview->songChanged(type);
+
+            if (type & (SC_PART_REMOVED | SC_PART_MODIFIED
+               | SC_PART_INSERTED | SC_TRACK_REMOVED)) {
+                  
+                    updateHScrollRange();
+                  if (canvas)
+                        setCaption(canvas->getCaption());
+                  else if (wview)
+                        setCaption(wview->getCaption());
+                  if (type & SC_SIG)
+                        time->update();
+                        
+              }        
+            }
+      }
+
+//---------------------------------------------------------
+//   setCurDrumInstrument
+//---------------------------------------------------------
+
+void MidiEditor::setCurDrumInstrument(int instr)
+      {
+      _curDrumInstrument = instr;
+      emit curDrumInstrumentChanged(_curDrumInstrument);
+      }
+
+//---------------------------------------------------------
+//   curCanvasPart
+//---------------------------------------------------------
+
+Part* MidiEditor::curCanvasPart() 
+{ 
+  if(canvas) 
+    return canvas->part(); 
+  else 
+    return 0; 
+}
+
+//---------------------------------------------------------
+//   curWavePart
+//---------------------------------------------------------
+
+WavePart* MidiEditor::curWavePart() 
+{ 
+  if(wview) 
+    return wview->part(); 
+  else 
+    return 0; 
+}
+
+//---------------------------------------------------------
+//   setCurCanvasPart
+//---------------------------------------------------------
+
+void MidiEditor::setCurCanvasPart(Part* part) 
+{ 
+  if(canvas) 
+    canvas->setCurrentPart(part); 
+}
+