#ifndef __CPPIPELINEEDITOR__CANVAS__H__
#define __CPPIPELINEEDITOR__CANVAS__H__

#include <cpPipelineEditor/cpPipelineEditor_Export.h>
#include <QtGui/QGraphicsView>

namespace cpPipelineEditor
{
  // Some other forward declarations
  class Block;
  class Connection;
  class Editor;

  /**
   */
  class cpPipelineEditor_EXPORT Canvas
    : public QGraphicsView
  {
    Q_OBJECT;

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

    Editor* editor( );
    const Editor* 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:
    Editor* m_Editor;
  };

} // ecapseman

#endif // __CPPIPELINEEDITOR__CANVAS__H__

// eof - $RCSfile$