sceneTools.hh

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*   $Revision$                                                       *
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\*===========================================================================*/

#ifndef VSI_SCENETOOLS_HH
#define VSI_SCENETOOLS_HH

//== INCLUDES =================================================================
#include <QGraphicsProxyWidget>
#include <QString>

//== NAMESPACES ===============================================================
namespace VSI {

//== FORWARDDECLARATIONS ======================================================
class GraphicsScene;
class Arrow;
class Trash;
class ZoomButton;
class FunctionDisplay;

//== CLASS DEFINITION =========================================================

class SceneTools : public QGraphicsWidget
{
  Q_OBJECT

  public:

    SceneTools (GraphicsScene *_scene);

    ~SceneTools ();

    void mouseMove (QPointF _pos);

    void mouseRelease (QPointF _pos, QGraphicsItem *_item);

  private slots:

    // handle scene size changes
    void sceneRectChanged (const QRectF &_rect);

    // update arrow depending on visible scene rect
    void updateArrows ();

  private:
    GraphicsScene *scene_;

    Arrow *arrows_[5];
    Trash *trash_;
    ZoomButton *zoom_[2];

    FunctionDisplay *fDisplay_;
};

//=============================================================================
}
//=============================================================================

#endif