error: undefined reference to `MyThread::Timer_Slot()'

[deleted286]

What does it mean? I have timer_slot in header file.

#include "mythread.h"
#include "mainwindow.h"
#include <QtCore>
#include <QDebug>
#include <QFile>
#include <QTimer>
#include <QThread>
#include <QMutex>
#include <QQueue>
#include <QMessageBox>
#include <QApplication>
#include <QtWidgets/QApplication>
#include <QtWidgets/QMainWindow>
#include <QFileDialog>
#include <QMainWindow>
#include <QTimer>
#include <QtCharts/QLineSeries>
#include <QtCharts/QChartView>
#include <QLineSeries>

QT_CHARTS_USE_NAMESPACE
using namespace QtCharts;

QFile file("C:/Users/ilknu/Documents/MyThread/deneme.txt");

MyThread::MyThread(QObject* parent)
    : QThread(parent)
{
    writeData();
    initChartView();
    Timer_Slot();
    connect(timer, SIGNAL(timeout()), SLOT(Timer_Slot()));
    timer->start();
    timer->setInterval(500);

}

MyThread::~MyThread()
{

}

void MainWindow::Timer_Slot()
{
    static float q_x;
    if(!queue.isEmpty())
    {
        double num=queue.dequeue();
        q_x += 0.1;
        series->append(q_x, num);
        chart->update();
        // qDebug << q_x << num;
    }
}

void MyThread::writeData()
{

    QFile::copy("C:/Users/ilknu/Documents/MyThread/deneme.txt", "C:/Users/ilknu/Documents/MyThread/yeniden.txt" );
    QFile file2("C:/Users/ilknu/Documents/MyThread/yeniden.txt");
    if(file.open(QIODevice::ReadOnly)) {
        QTextStream in(&file);
        while (!in.atEnd())
        {
            QString line2=in.readLine();
            QStringList list2 = line2.split(QLatin1Char(' '), Qt::SkipEmptyParts);
            for(const QString &entry : list2)
            {
                double num = entry.toDouble();
                queue.enqueue(num);
                qDebug() << num;
            }
        }
    }
    qDebug() << "Source exists?" << QFile::exists("C:/Users/ilknu/Documents/MyThread/deneme.txt");
    qDebug() << "Destination exists?" << QFile::exists("C:/Users/ilknu/Documents/MyThread/budosyayok.txt");
    qDebug() << "im working in writing thread";

    emit writingDone();

}

void MyThread::run()  //Reading file from txt with thread1
{
    if (file.open(QIODevice::ReadOnly))
    {
        QTextStream in (&file);
        while (!in.atEnd())
        {
            QString line = in.readAll();

            qDebug()<< "im running on worker thread " <<line;

        } // for
    } // while
    file.close();
} // if

void MyThread::initChartView()
{

    QChart *chart = new QChart();
    chart->addSeries(series);
    qDebug() << series;
    QPen green(Qt::red);
    green.setWidth(2);
    series->setPen(green);
    chart->legend()->hide();
    chart->setTitle("deneme");
    chart->setAnimationOptions(QChart::AllAnimations);

    QValueAxis *axisX = new QValueAxis;
    axisX->setTickCount(10);
    axisX->setRange(0,5);
    axisX->applyNiceNumbers();
    chart->addAxis(axisX, Qt::AlignBottom);
    series->attachAxis(axisX);

    QValueAxis *axisY = new QValueAxis;
    axisY->setTickCount(10);
    axisY->setRange(0, 5);
    axisY->applyNiceNumbers();
    chart->addAxis(axisY, Qt::AlignLeft);
    series->attachAxis(axisY);

    QChartView *chartView = new QChartView(chart);
    chartView->setRenderHint(QPainter::Antialiasing);

}

[Christian Ehrlicher]

Please read your error message again and then look where you have implemented your function.

[deleted286]

@Christian-Ehrlicher Sorry, i realized it now. Can i delete this post?

[Christian Ehrlicher]

@suslucoder said in error: undefined reference to `MyThread::Timer_Slot()':

Can i delete this post?

No, you should simply mark it as solved. And maybe the next time read and think first before you post.

[JonB]

@suslucoder
Don't worry, just mark @Christian-Ehrlicher's answer as the "solution" from the vertical dots button at the right of his message :)