1 files changed, 87 insertions, 0 deletions
diff --git a/muse2/muse/midiedit/ecanvas.h b/muse2/muse/midiedit/ecanvas.h
new file mode 100644
index 00000000..58df80b5
--- /dev/null
+++ b/muse2/muse/midiedit/ecanvas.h
@@ -0,0 +1,87 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    $Id: ecanvas.h,v 1.5.2.4 2009/02/02 21:38:00 terminator356 Exp $
+//  (C) Copyright 2001 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#ifndef __ECANVAS_H__
+#define __ECANVAS_H__
+
+#include "canvas.h"
+#include "noteinfo.h"
+//Added by qt3to4:
+#include <QEvent>
+#include <QKeyEvent>
+
+class MidiPart;
+class MidiTrack;
+class MidiEditor;
+class Part;
+
+struct PartToChange
+{
+  Part* npart;
+  int   xdiff;
+}; 
+typedef std::map<Part*, PartToChange> PartsToChangeMap;
+typedef std::map<Part*, PartToChange>::iterator iPartToChange;
+  
+//---------------------------------------------------------
+//   EventCanvas
+//---------------------------------------------------------
+
+class EventCanvas : public Canvas {
+      Q_OBJECT
+      virtual void leaveEvent(QEvent*e);
+      virtual void enterEvent(QEvent*e);
+      // Removed by T356.
+      //virtual QPoint raster(const QPoint&) const;
+      
+      virtual void startUndo(DragType);
+      
+      virtual void endUndo(DragType, int flags = 0);
+      virtual void mouseMove(const QPoint&);
+
+   protected:
+      bool _playEvents;
+      MidiEditor* editor;
+      unsigned start_tick, end_tick;
+      int curVelo;
+      bool _steprec;
+      bool _midiin;
+
+      void updateSelection();
+      virtual void addItem(Part*, Event&) = 0;
+      // Added by T356.
+      virtual QPoint raster(const QPoint&) const;
+
+   public slots:
+      void redrawGrid()       { redraw(); }
+      void setSteprec(bool f) { _steprec = f; }
+      void setMidiin(bool f)  { _midiin = f; }
+
+   signals:
+      void pitchChanged(int);       // current cursor position
+      void timeChanged(unsigned);
+      void selectionChanged(int, Event&, Part*);
+      void enterCanvas();
+
+   public:
+      EventCanvas(MidiEditor*, QWidget*, int, int, const char* name = 0);
+      MidiTrack* track() const;
+      unsigned start() const       { return start_tick; }
+      unsigned end() const         { return end_tick; }
+      bool midiin() const     { return _midiin; }
+      bool steprec() const    { return _steprec; }
+      QString getCaption() const;
+      void songChanged(int);
+      void range(int* s, int* e) const { *s = start_tick; *e = end_tick; }
+      void playEvents(bool flag) { _playEvents = flag; }
+      void selectAtTick(unsigned int tick);
+      virtual void modifySelected(NoteInfo::ValType, int) {}
+      virtual void keyPress(QKeyEvent*);
+      };
+
+#endif
+