source: fact/Evidence/GUI.h@ 11002

#ifndef GUI_H_SEEN
#define GUI_H_SEEN

#include <QtGui>
#include <QtConcurrentRun>

#include <qwt_plot.h>
#include <qwt_plot_curve.h>
#include <qwt_plot_grid.h>
#include <qwt_plot_zoomer.h>
#include <qwt_plot_magnifier.h>
#include <qwt_plot_panner.h>
#include <qwt_scale_engine.h>
#include <qwt_analog_clock.h>
#include <qwt_scale_widget.h>
#include <qwt_plot_layout.h>
#include <qwt_legend.h>
#include <qwt_legend_item.h>
#include <qwt_symbol.h>
#include <qwt_plot_marker.h>
#include <qwt_data.h>
#include <qwt_color_map.h>

#include <limits>
#include <float.h>
#include <limits>

#include "dic.hxx"
#include "Evidence.h"

const QColor EddPlotBackgroundColor(Qt::yellow);

QWidget *OpenHistory(char *, int);
bool SetStatus(QWidget *, QString, int, QString, int = -1);


// Base class for Edd plot
// DeleteCurve() is pure virtual and needs to be implemented iin the application class
class EddBasePlot: public QwtPlot {
  Q_OBJECT

  protected:    
    QMenu *Menu;
    QAction *StripAction;

  private:
    struct PlotItem {
      QwtPlotCurve *Signal;
          QVector<double> x;
          QVector<double> y;
      double Smallest;
      double Largest;
          double Mean;
          double Sigma;
    };
    QList<struct PlotItem> Items;

    QAction *YLogAction;
    QAction *NormAction;
    QAction *StyleAction;
    QAction *StatisticsAction;

    QwtPlotPanner *Panner;
    QwtPlotGrid *Grid;
    QwtPlotZoomer *Zoomer;
        QwtPlotMagnifier *Magnifier;
    QwtPicker *Picker;
        QwtDoubleRect BBox;
        QwtPlotMarker *Stats;
                
  public:
    EddBasePlot(QWidget * = NULL);
    ~EddBasePlot();

        QTimer *Timer;
        bool NewData;
        QwtPlotCurve *NewCurve(QwtText);
        void ClearCurve(unsigned int);
        void AddPoint(unsigned int, double, double);
        virtual void DeleteCurve(QwtPlotCurve *) = 0;

  protected slots:
    void UpdatePlot();

  private slots:
        void ReDoStats();
    void HandleZoom(const QwtDoubleRect &);
        void MouseSelection(const QwtPolygon &);
        void contextMenuEvent(QContextMenuEvent *);
    void MenuSingleTrace();        
    void MenuSetUpdateRate();        
    void MenuZoomOut();
    void MenuSaveASCII();
    void MenuSave();
    void MenuPrint();
        void MenuPlotHelp();
};
                  
// General indicator for DIM service
class EddLineDisplay: public QLineEdit {
    Q_OBJECT

    QMenu *Menu;
    QPoint dragStart;
    QWidget *LastHist;
        
        QString ServiceName;
        int Index;
        
    void mousePressEvent(QMouseEvent *); 
    void mouseReleaseEvent(QMouseEvent *); 
    void mouseMoveEvent(QMouseEvent *); 
        
  public:
    EddLineDisplay(QString, int=0, QWidget * = NULL);
    ~EddLineDisplay();

        bool ShowAsTime;
        
  private slots:
        void Update(QString, int, QByteArray, QString, QString);
    void contextMenuEvent(QContextMenuEvent *);    
    void MenuOpenHistory();
    void MenuCopyService();
    void MenuCopyData();
};

// Sending command to DIM server
class EddCommand: public QLineEdit {
    Q_OBJECT

        QString Name;
        
  public:
    EddCommand(QString, QWidget * = NULL);

  private slots:
        void SendCommand();     
};

// Graph class for history display 
class EddPlot: public EddBasePlot {
    Q_OBJECT

        // Time scale for axis
        class EddTimeScale: public QwtScaleDraw {

          public:
                EddTimeScale() {}

                virtual QwtText label(double v) const {
                  // Adapt text format to time span 
                  QString Format;
                  if (scaleDiv().range() < 60*60) Format = "hh' h\n'mm:ss";
                  else if (scaleDiv().range() < 24*60*60) Format = "hh:mm";
                  else if (scaleDiv().range() < 30*24*60*60) Format = "h' h\n'd-MMM";
                  else Format = "d-MMM'\n'yyyy";

                  // Generate text
                  QwtText Text = QDateTime::fromTime_t((int) v).toString(Format);
                  QFont Font = Text.font();
                  Font.setPointSize(7);
                  Text.setFont(Font);

          return Text;
                }
        };

    struct ItemDetails {
      QString Name;
          int Index;
      QwtPlotCurve *Signal;       
    };
    QList<struct ItemDetails> List;

  private:
        QwtLegend *Legend;
        QTimer *SingleShot;

    void dragEnterEvent(QDragEnterEvent *);
    void dropEvent(QDropEvent *);
        void paintEvent(QPaintEvent *);
                
  public:
    EddPlot(QString = QString(), int = 0, QWidget * = NULL);
    ~EddPlot();
    void AddService(QString, int = 0);
        void DeleteCurve(QwtPlotCurve *);

  private slots:
        void Update(QString, int, QByteArray, QString, QString);
        void LegendClicked(QwtPlotItem *);
    void MenuPasteService();
};


// Text history and output class
class EddText: public QTextEdit {
  Q_OBJECT

  private:
        QString Name;
        bool Pure;
        
  public:
    EddText(QString, bool = false, QWidget * = NULL);
    ~EddText();

        bool Accumulate;

  private slots:
        void Update(QString, int, QByteArray, QString, QString);
};


// Interface to DIM system
class EddDim: public QObject, public DimInfo {
  Q_OBJECT

  private:
        struct Item {
          DimStampedInfo *DIMService;
          int Count;
          int TimeStamp;
          QByteArray ByteArray;
          QString Format;
          QString Text;
        };
    QMap<QString, struct Item> ServiceList;
    QMutex *Mutex;
        QList<QString> WaitingList;

        struct HistItem {
          int Count;
          int LastUpdate;
          class EvidenceHistory *HistClass;
        };
    QMap<QString, struct HistItem> HistoryList;

        long long Volume;

        void infoHandler();

  private slots:
        void Update(QString, int, QByteArray, QString, QString);
        void UpdateStatistics();
        void MakeSubscriptions();

  public:
    EddDim();
    ~EddDim();

        void Subscribe(QString);
        void Unsubscribe (QString);
        class EvidenceHistory *GetHistory(QString);
        void DropHistory(QString);
        void ForceEmit();

  signals:
    void YEP(QString, int, QByteArray = QByteArray(), QString = QString(), QString = QString());
    void INT(QString, int, QByteArray = QByteArray(), QString = QString(), QString = QString());
};

// Open new window
class EddWindow: public QPushButton {
  Q_OBJECT

  QMainWindow *M;
  QGridLayout *L;

  public:
    EddWindow(QString, QString);
        QGridLayout *Layout();
        QMainWindow *Window();
  private slots:
        void Toggle();
};

#endif