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Code: Alles auswählen

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();
    Ui::MainWindow *ui;

public slots:
    void writeConsole(QString input);
    void setProgress(int progress);
}

class Worker : public QObject {
    Q_OBJECT

public:
    Worker();
    ~Worker();

public slots:
    void process();

signals:
    void finished();
    QString output(QString input);
    void setProgress(int progress);
    void error(QString err);
};

Code: Alles auswählen

void MainWindow::on_btn_execute_clicked()
{
    ui->btn_execute->setEnabled(false);
    ui->progressBar->setValue(0);
    ui->consoleoutput->clear();

    QThread* thread = new QThread;
    Worker* worker = new Worker();
    worker->moveToThread(thread);
    connect(thread, SIGNAL(started()), worker, SLOT(process()));
    connect(worker, SIGNAL(finished()), thread, SLOT(quit()));
    connect(worker, SIGNAL(output(QString input)), this, SLOT(writeConsole(QString input)));
    connect(worker, SIGNAL(setProgress(int progress)), this, SLOT(setProgress(int progress)));
    connect(worker, SIGNAL(finished()), worker, SLOT(deleteLater()));
    connect(thread, SIGNAL(finished()), thread, SLOT(deleteLater()));
    thread->start();
}

void MainWindow::writeConsole(QString input)
{
    ui->consoleoutput->appendPlainText(input);
}

void MainWindow::setProgress(int progress)
{
    ui->progressBar->setValue(progress);
}

Worker::Worker() {
}

Worker::~Worker() {
}

void Worker::process() {
        emit setProgress(100*(i+1)/taskmax); //Stand zur ProgressBar im Mainthread übergeben

        currentTime = QTime::currentTime();
        emit output(currentTime.toString("hh:mm:ss") + " Task number "+QString::number(i+1)+"\n"); //eine Konsolenausgabe tätigen

    emit output("=== Tasks completed, ready for new work ===\n");
    emit finished();
}