WiFiGui/chartview.cpp at master · WirelessDataCollect/WiFiGui · GitHub

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#include "chartview.h"
#include "chartswidgt.h"

ChartView::ChartView(QChart *chart, QWidget *parent) :
    QChartView(chart, parent),
    isClicking(false),
    xOld(0), yOld(0)
{
  //setRubberBand(QChartView::NoRubberBand);

}

void ChartView::mousePressEvent(QMouseEvent *event)
{
    qDebug()<<"ChartView"<<"mousePressEvent";
        if (event->button() & Qt::RightButton) {
        isClicking = true;
    }
    QChartView::mousePressEvent(event);
}

void ChartView::mouseMoveEvent(QMouseEvent *event)
{
   // qDebug()<<"ChartView"<<"mouseMoveEvent";
    emit sendposition(event->pos());
    int x, y;
    if (isClicking) {
        if (xOld == 0 && yOld == 0) {
        } else {
            x = event->x() - xOld;
            y = event->y() - yOld;
            chart()->scroll(-x, y);
            //emit updateslider();
        }
        xOld = event->x();
        yOld = event->y();
    }
    QChartView::mouseMoveEvent(event);
}

void ChartView::mouseReleaseEvent(QMouseEvent *event)
{
    qDebug()<<"ChartView mouseReleaseEvent";
    if (event->button() & Qt::RightButton)
    {
        if (isClicking) {
            xOld = yOld = 0;
            isClicking = false;
            return;
        }
    }
   QChartView::mouseReleaseEvent(event);
}

void ChartView::keyPressEvent(QKeyEvent *event)
{
//    switch (event->key()) {
//    case Qt::Key_Left:
//        chart()->scroll(-10, 0);
//        break;
//    case Qt::Key_Right:
//        chart()->scroll(10, 0);
//        break;
//    case Qt::Key_Up:
//        chart()->scroll(0, 10);
//        break;
//    case Qt::Key_Down:
//        chart()->scroll(0, -10);
//        break;
//    default:
//        keyPressEvent(event);
//        break;
//    }
    QChartView::keyPressEvent(event);


}