Qt5 to Qt6 проблемы

namespace Ui {
    class Proc;
}

class Proc : public QObject {
    Q_OBJECT

public:
    explicit Proc( QObject *parent=0 );
    virtual ~Proc();

private:
    QProcess        *process;

public:
    void        startProcess (QString binaryPath);
    void        sendCommand (QString command);

private slots:
    void        readFromProcess();
    void        errorFound(QProcess::ProcessError err);

signals:
    void        messageRecieved(QString);
    void        processFault(QProcess::ProcessError);
    void        processStarted();
    void        processFinished(int exitCode, QProcess::ExitStatus exitStatus);
};


Proc::Proc(QObject* parent) : QObject (parent) {
    process = new QProcess(this);
    process->setReadChannel(QProcess::StandardOutput);
    connect (process, SIGNAL(readyRead()), SLOT(readFromProcess()));
    connect (process, SIGNAL(errorOccurred(QProcess::ProcessError)), this, SLOT(errorFound(QProcess::ProcessError)));
    connect (process, SIGNAL(started()), SLOT(processStarted()));
    connect (process, SIGNAL(finished(int, QProcess::ExitStatus)), SLOT(processFinished(int, QProcess::ExitStatus)));
}

void Proc::startProcess (QString binaryPath){
    process->start(binaryPath);
}

void Proc::sendCommand (QString command){
    process->write(command.toLatin1());

}

void Proc::readFromProcess(){
    while (process->canReadLine()){
        QString line = QString::fromLatin1(process->readLine());
        emit messageRecieved(line);
    }
}

void Proc::errorFound(QProcess::ProcessError err){
    emit processFault(err);
}

void Proc::processStarted(){
    qDebug()<<"started";
}
void Proc::processFinished(int exitCode, QProcess::ExitStatus status){
    qDebug()<<"finished";
}

Proc::~Proc(){

}

xinput = new Proc();
connect(xinput, SIGNAL(messageRecieved(QString)), this, SLOT(xinputRecieved(QString)));
xinput->startProcess("xinput --test-xi2 --root");


xinputRecieved(QString msg){
    qDebug()<<msg;
}