text: //=============================================================================================================
  /**
  * @file     realtimespectrumwidget.h
  * @author   Christoph Dinh <chdinh@nmr.mgh.harvard.edu>;
  *           Matti Hamalainen <msh@nmr.mgh.harvard.edu>
  * @version  1.0
  * @date     February, 2013
  *
  * @section  LICENSE
  *
  * Copyright (C) 2013, Christoph Dinh and Matti Hamalainen. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are permitted provided that
  * the following conditions are met:
  *     * Redistributions of source code must retain the above copyright notice, this list of conditions and the
  *       following disclaimer.
  *     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
  *       the following disclaimer in the documentation and/or other materials provided with the distribution.
  *     * Neither the name of MNE-CPP authors nor the names of its contributors may be used
  *       to endorse or promote products derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
  *
  * @brief    Declaration of the RealTimeSpectrumWidget Class.
  *
  */
  
  #ifndef FREQUENCYSPECTRUMWIDGET_H
  #define FREQUENCYSPECTRUMWIDGET_H
  
  
  //*************************************************************************************************************
  //=============================================================================================================
  // INCLUDES
  //=============================================================================================================
  
  #include "scdisp_global.h"
  #include "measurementwidget.h"
  
  
  //*************************************************************************************************************
  //=============================================================================================================
  // QT INCLUDES
  //=============================================================================================================
  
  #include <QSharedPointer>
  #include <QPointer>
  
  
  //*************************************************************************************************************
  //=============================================================================================================
  // FORWARD DECLARATIONS
  //=============================================================================================================
  
  class QTime;
  
  namespace SCMEASLIB {
      class RealTimeSpectrum;
  }
  
  namespace DISPLIB {
      class SpectrumSettingsView;
      class SpectrumView;
  }
  
  
  
  //*************************************************************************************************************
  //=============================================================================================================
  // DEFINE NAMESPACE SCDISPLIB
  //=============================================================================================================
  
  namespace SCDISPLIB
  {
  
  
  //*************************************************************************************************************
  //=============================================================================================================
  // SCDISPLIB FORWARD DECLARATIONS
  //=============================================================================================================
  
  
  //=============================================================================================================
  /**
  * DECLARE CLASS RealTimeSpectrumWidget
  *
  * @brief The RealTimeSpectrumWidget class provides a equalizer display
  */
  class SCDISPSHARED_EXPORT RealTimeSpectrumWidget : public MeasurementWidget
  {
      Q_OBJECT
  
  public:
      //=========================================================================================================
      /**
      * Constructs a RealTimeSpectrumWidget which is a child of parent.
      *
      * @param [in] pNE           pointer to noise estimation measurement.
      * @param [in] pTime         pointer to application time.
      * @param [in] parent        pointer to parent widget; If parent is 0, the new NumericWidget becomes a window. If parent is another widget, NumericWidget becomes a child window inside parent. NumericWidget is deleted when its parent is deleted.
      */
      RealTimeSpectrumWidget(QSharedPointer<SCMEASLIB::RealTimeSpectrum> pNE,
                              QSharedPointer<QTime> &pTime,
                              QWidget* parent = 0);
  
      //=========================================================================================================
      /**
      * Destroys the RealTimeSpectrumWidget.
      */
      ~RealTimeSpectrumWidget();
  
      //=========================================================================================================
      /**
      * Is called when new data are available.
      *
      * @param [in] pMeasurement  pointer to measurement -> not used because its direct attached to the measurement.
      */
      virtual void update(SCMEASLIB::Measurement::SPtr pMeasurement);
  
      //=========================================================================================================
      /**
      * Is called when new data are available.
      */
      virtual void getData();
  
      //=========================================================================================================
      /**
      * Initialise the RealTimeSpectrumWidget.
      */
      virtual void init();
  
      //=========================================================================================================
      /**
      * Initialise the SettingsWidget.
      */
      void initSettingsWidget();
  
      bool eventFilter(QObject *object, QEvent *event);
  
  private:
      //=========================================================================================================
      /**
      * Broadcast settings of frequency spectrum settings widget
      */
      void broadcastSettings();
  
      //=========================================================================================================
      /**
      * Show the frequency spectrum settings widget
      */
      void showSpectrumSettingsView();
  
      QPointer<QAction>                                           m_pActionFrequencySettings;         /**< Frequency spectrum settings action */
      QPointer<DISPLIB::SpectrumView>                             m_pSpectrumView;                    /**< Frequency spectrum view */
  
      QSharedPointer<DISPLIB::SpectrumSettingsView>               m_pSpectrumSettingsView;            /**< Frequency spectrum settings modality widget. */
      QSharedPointer<SCMEASLIB::RealTimeSpectrum>                 m_pFS;                              /**< The frequency spectrum measurement. */
  
      float m_fLowerFrqBound;         /**< Lower frequency bound */
      float m_fUpperFrqBound;         /**< Upper frequency bound */
  
      bool m_bInitialized;            /**< Is Initialized */
  
  };
  
  } // NAMESPACE
  
  #endif // FREQUENCYSPECTRUMWIDGET_H
  