PlotSelector.h

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#ifndef PLOT_SELECTOR_H
#define PLOT_SELECTOR_H

#include <qwt_plot_canvas.h>
#include <qwt_plot_picker.h>

#include "Plot/PlotArea.h"

class PlotSelector : public QwtPlotPicker
{
  Q_OBJECT

  //=====================================================================================
  // Enums
  //=====================================================================================
  public:
    enum Type { Rect, XInterval, YInterval };

  //=====================================================================================
  // Constructors and destructor
  //=====================================================================================
  public:
    PlotSelector( QwtPlotCanvas* canvas );
    virtual ~PlotSelector();

  //=====================================================================================
  // Signals
  //=====================================================================================

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

  //=====================================================================================
  // Methods
  //=====================================================================================
  public:
    void setType( Type type ) { m_type = type; }
    Type type() const { return m_type; }
    void setSelectionBrush( QBrush brush ) { m_plotArea->setBrush( brush ); }
    QBrush selectionBrush() const { return m_plotArea->brush(); }
    void removeSelection();
    QRectF rect() const { return m_plotArea->rect(); }
    double xIntervalLowerBound() const { return m_plotArea->xIntervalLowerBound(); }
    double xIntervalUpperBound() const { return m_plotArea->xIntervalUpperBound(); }
    double yIntervalLowerBound() const { return m_plotArea->yIntervalLowerBound(); }
    double yIntervalUpperBound() const { return m_plotArea->yIntervalUpperBound(); }
    bool eventFilter( QObject* object, QEvent* event );

  //=====================================================================================
  // Members
  //=====================================================================================
  private:
    Type      m_type;
    QBrush    m_brush;
    PlotArea* m_plotArea;
    bool      m_buttonPressed;
    QPoint    m_beginPoint;
    QPoint    m_endPoint;
};

#endif