#ifndef __PIPELINEEDITOR__QNODESEDITORCANVAS__H__
#define __PIPELINEEDITOR__QNODESEDITORCANVAS__H__

#include <QtGui/QGraphicsView>

namespace PipelineEditor
{
  // Some other forward declarations
  class QNEBlock;
  class QNEConnection;
  class QNodesEditor;

  /**
   */
  class QNodesEditorCanvas
    : public QGraphicsView
  {
    Q_OBJECT;

  public:
    QNodesEditorCanvas( QWidget* parent = 0 );
    virtual ~QNodesEditorCanvas( );

    QNodesEditor* editor( );
    const QNodesEditor* editor( ) const;

  protected:
    /* TODO
       void keyPressEvent( QKeyEvent* event );
       void timerEvent( QTimerEvent* event );
    */
    void wheelEvent( QWheelEvent* event );

    void dragEnterEvent( QDragEnterEvent* event );
    void dragLeaveEvent( QDragLeaveEvent* event );
    void dragMoveEvent( QDragMoveEvent* event );
    void dropEvent( QDropEvent* event );

    void _scaleView( qreal scaleFactor );

  protected:
    QNodesEditor* m_Editor;
  };

} // ecapseman

#endif // __PIPELINEEDITOR__QNODESEDITORCANVAS__H__

// eof - $RCSfile$