telemetrymonitorwidget.h

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/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, see <http://www.gnu.org/licenses/>
 */
#ifndef TELEMETRYMONITORWIDGET_H
#define TELEMETRYMONITORWIDGET_H

#include <QWidget>
#include <QObject>
#include <QGraphicsView>
#include <QtSvg/QSvgRenderer>
#include <QtSvg/QGraphicsSvgItem>
#include <QtCore/QPointer>
#include <QTimer>

class TelemetryMonitorWidget : public QGraphicsView
{
    Q_OBJECT
public:
    explicit TelemetryMonitorWidget(QWidget *parent = nullptr);
    ~TelemetryMonitorWidget();

    void setMin(double min) { minValue = min; }
    double getMin() { return minValue; }
    void setMax(double max) { maxValue = max; }
    double getMax() { return maxValue; }

    // number of tx/rx nodes in the graph
    static const int NODE_NUMELEM = 7;
    QSvgRenderer *getRenderer() { return renderer; }
    QGraphicsSvgItem *getBackgroundItem() { return graph; }
signals:

public slots:
    void connected();
    void disconnect();

    void updateTelemetry(double txRate, double rxRate);
    void showTelemetry();

protected:
    void showEvent(QShowEvent *event);
    void resizeEvent(QResizeEvent *event);

private:
    QGraphicsSvgItem *graph;
    QPointer<QGraphicsTextItem> txSpeed;
    QPointer<QGraphicsTextItem> rxSpeed;
    QList<QGraphicsSvgItem *> txNodes;
    QList<QGraphicsSvgItem *> rxNodes;
    bool m_connected;
    double txIndex;
    double txValue;
    double rxIndex;
    double rxValue;
    double minValue;
    double maxValue;
    QSvgRenderer *renderer;
};

#endif // TELEMETRYMONITORWIDGET_H