qtcagraph.hpp

#ifndef GRAPHWIDGET
#define GRAPHWIDGET

#include <QWidget>

#include <qwt/qwt_plot.h>
#include <qwt/qwt_plot_curve.h>
#include <qwt/qwt_plot_zoomer.h>
#include <qwt/qwt_plot_magnifier.h>

class QLineEdit;
class QLabel;
class QPushButton;
class QProcess;
class QHBoxLayout;
class QVBoxLayout;

class QtCAgraph : public QWidget {
    Q_OBJECT

public:
    QtCAgraph(QWidget* parent = 0);
    ~QtCAgraph();

signals:

private slots:
    void updateClicked();
    void readFromStdout();
    void resetAutoscaleX();
    void resetAutoscaleY();

private:
    QHBoxLayout* layout1;
    QVBoxLayout* layout2;

    QString program;
    QPushButton* updateButton;
    QPushButton* autoscaleXButton;
    QPushButton* autoscaleYButton;
    QLabel* autoscale;
    QLineEdit* pv_name;
    QProcess* proc;

    QwtPlot* graph;
    QwtPlotCurve* dataCurve;
    QwtPlotZoomer* zoomer;
    QwtPlotMagnifier* mag;
    double* datax;
    double* datay;
    int datasize;
    int i;

    void expandData();
};

#endif //GRAPHWIDGET