Plot.h

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#ifndef PLOT_H
#define PLOT_H

#include <qwt_plot.h>
#include <qwt_plot_grid.h>

#include "Plot/PlotCurve.h"

#include <QTimer>

class QwtLegend;
class QwtPlotGrid;

class PlotSelector;
class PlotTracker;
class PlotZoomer;

class Plot : public QwtPlot
{
  Q_OBJECT

  //=====================================================================================
  // Constructors and destructor
  //=====================================================================================
  public:
    Plot( QWidget* parent = 0 );
    virtual ~Plot();

  //=====================================================================================
  // Signals
  //=====================================================================================
  signals:
    void curveContextMenuRequested( const QPoint& point, PlotCurve* curve );
    void canvasContextMenuRequested( const QPoint& point, PlotCurve* curve );
    void canvasMousePressed( const QPoint& point );
    void mouseMoved();
    void deleteKeyPressed();
    void signal_curveAttached(PlotCurve *curve);

  //=====================================================================================
  // Slots
  //=====================================================================================
  public slots:
    void showCurve( QwtPlotItem* item, bool flag );
    void curveContextMenuRequested( const QPoint& point );
    void replot();

    //void filterData();

  //=====================================================================================
  // Methods
  //=====================================================================================
  public:
    PlotTracker* tracker() { return m_tracker; }
    PlotZoomer* zoomerLeft() { return m_zoomerLeft; }
    PlotZoomer* zoomerRight() { return m_zoomerRight; }
    PlotSelector* selector() { return m_selector; }
    QwtPlotGrid* grid() { return m_grid; }
    void enableGrid(bool flag){
        if (flag && !gridIsEnabled()) m_grid->attach(this);
        if (!flag && gridIsEnabled()) m_grid->detach();
    }
    bool gridIsEnabled(){
        return static_cast<bool>(m_grid->plot());
    }


  protected:
    // Inherited from QwtPlot
    virtual void  resizeEvent ( QResizeEvent* e );

    // Inherited from QWidget
    void mousePressEvent( QMouseEvent* event );
    void mouseMoveEvent( QMouseEvent* event );
    void keyPressEvent( QKeyEvent* event );

  private:
//    void adjustCanvasGradient();

  //=====================================================================================
  // Members
  //=====================================================================================
  private:
    QwtLegend*     m_legend;
    PlotTracker*   m_tracker;
    PlotZoomer*    m_zoomerLeft;
    PlotZoomer*    m_zoomerRight;
    PlotSelector*  m_selector;
    QwtPlotGrid*   m_grid;
    QTimer replotTimer;
};

#endif