1 files changed, 124 insertions, 0 deletions
diff --git a/attic/muse_qt4_evolution/muse/canvas.h b/attic/muse_qt4_evolution/muse/canvas.h
new file mode 100644
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+++ b/attic/muse_qt4_evolution/muse/canvas.h
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+//=============================================================================
+//  MusE
+//  Linux Music Editor
+//  $Id:$
+//
+//  Copyright (C) 2002-2006 by Werner Schweer and others
+//
+//  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.
+//=============================================================================
+
+#ifndef __CANVAS_H__
+#define __CANVAS_H__
+
+#include "awl/tcanvas.h"
+#include "widgets/tools.h"
+
+class CanvasWidget;
+class Part;
+class Track;
+class ArrangerTrack;
+
+static const int HANDLE1 = 6;
+static const int HANDLE2 = 3;
+
+//---------------------------------------------------------
+//   PartCanvas
+//---------------------------------------------------------
+
+class PartCanvas : public TimeCanvas {
+      Q_OBJECT
+
+      // DRAG1    drag part head
+      // DRAG2    drag part tail
+      // DRAG3    drag whole part
+      // DRAG4    Drag&Drop drag
+      // DRAG5    draw part with pencil tool
+
+      enum { S_NORMAL, S_START_DRAG1, S_START_DRAG2, S_START_DRAG3,
+            S_DRAG1, S_DRAG2, S_DRAG3,
+            S_DRAG4,
+            S_START_DRAG5, S_DRAG5,                 // draw new Part
+            S_SUBTRACK
+            };
+      int state;
+      QPoint startDrag;
+      int _dragOffset;
+      QRect drag;
+      QTime startDragTime;
+      unsigned ppos, psize;
+
+      // values set by searchPart():
+      Track* track;
+      Part* part;
+      ArrangerTrack* at;
+
+      Part* srcPart;    // src part of a drag/drop operation
+
+      bool _drawBackground;
+      int selected;
+      int lselected;    // in local coordinates
+      int starty;
+      int dragy;
+
+      virtual void paint(QPainter&, QRect);
+      void drawWavePart(QPainter& p, Part* part, int, int, int, int);
+      void drawMidiPart(QPainter& p, Part* mp, int, int, int, int);
+      virtual void mousePress(QMouseEvent*);
+      virtual void mouseMove(QPoint);
+      virtual void mouseRelease(QMouseEvent*);
+      virtual void mouseDoubleClick(QMouseEvent*);
+
+      virtual void dragEnter(QDragEnterEvent*);
+      virtual void drop(QDropEvent*);
+      virtual void dragMove(QDragMoveEvent*);
+      virtual void dragLeave(QDragLeaveEvent*);
+      
+      virtual void keyboardNavigate(QKeyEvent *e);
+
+
+      int searchPart(const QPoint& p);
+
+      void declonePart(Part* part);
+      void renamePart(Part*);
+      void splitPart(Part*, const QPoint&);
+      void cutPart(Part*);
+      void copyPart(Part*);
+
+      void setCursor();
+      int dragOffset() const { return _dragOffset; }
+      void drawHandle(QPainter& p, int x, int y) {
+            p.fillRect(x-HANDLE2, y-HANDLE2, HANDLE1, HANDLE1, x == lselected ? Qt::red : Qt::yellow);
+            }
+      void contextMenu(const QPoint&);
+      
+      QRubberBand *rubberBand;
+      QPoint rubberBandStartPos;
+
+   private slots:
+      void markerChanged(int);
+
+   signals:
+      void kbdMovementUpdate(Track* t, Part* p);
+      void startEditor(Part*, int);
+      void createLRPart(Track*);
+      void partChanged(Part*, unsigned, unsigned);
+      void doubleClickPart(Part*);
+
+   public:
+      PartCanvas();
+      void setDrawBackground(bool val) { _drawBackground = val; }
+      };
+
+#endif
+