PlotMoveableMarker.h

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#ifndef PLOT_MOVEABLE_MARKER_H
#define PLOT_MOVEABLE_MARKER_H

#include <QObject>
#include <QCursor>

#include <qwt_plot_marker.h>

class Plot;

class PlotMoveableMarker : public QObject, public QwtPlotMarker
{
  Q_OBJECT

  //=====================================================================================
  // Enums
  //=====================================================================================
  public:
    enum MovementDirection { Horizontal, Vertical, HorizontalAndVertical };

  //=====================================================================================
  // Constructors and destructor
  //=====================================================================================
  public:
    PlotMoveableMarker( MovementDirection movementDirection, QObject* parent = NULL );
    virtual ~PlotMoveableMarker();

  //=====================================================================================
  // Signals
  //=====================================================================================
  signals:
    void moved();
    void released();

  //=====================================================================================
  // Slots
  //=====================================================================================

  //=====================================================================================
  // Methods
  //=====================================================================================
  public:
    MovementDirection movementDirection() const { return m_movementDirection; }
    virtual bool eventFilter( QObject* object, QEvent* event );
    void attach ( Plot* plot );
    virtual int rtti() const;

  //=====================================================================================
  // Members
  //=====================================================================================
  private:
    MovementDirection m_movementDirection;
    Plot*             m_plot;
    bool              m_mousePressed;
    bool              m_onTarget;
    QCursor           m_storedCursor;
};

#endif