[Qt] Problema con QPlainTextEdit e QPushButton

[fermat]

ciao!

ho un piccolo problema con QPlainTextEdit e QPushButton.
in pratica ho questa classe:

#ifndef STARTRESIZING_H
#define STARTRESIZING_H

#include <QRunnable>
#include <QPlainTextEdit>
#include <QPushButton>
#include <QDebug>

class StartResizing : public QRunnable
{
public:
    StartResizing(QVector<QString> list, int width, int height, QPlainTextEdit textArea, QString dir, QPushButton btn);
    ~StartResizing();

protected:
    QVector<QString> list;
    int width;
    int heigh;
    QPlainTextEdit textArea;
    QString dir;
    QPushButton btn;
};

#endif // STARTRESIZING_H

e questo il file di implementazione:

#include "startresizing.h"

StartResizing::StartResizing(QVector<QString> list, int width, int height, QPlainTextEdit textArea, QString dir, QPushButton btn)
{
    this->list = list;
    this->width = width;
    this->heigh = height;
    this->textArea = textArea;
    this->dir = dir;
    this->btn = btn;
}

StartResizing::~StartResizing()
{
}

quando compilo, però, ottengo questo errore:

C:\Qt\5.5\mingw492_32\include\QtCore\qglobal.h:1043: error: 'QPlainTextEdit& QPlainTextEdit::operator=(const QPlainTextEdit&)' is private
     Class &operator=(const Class &) Q_DECL_EQ_DELETE;
            ^
C:\Qt\5.5\mingw492_32\include\QtWidgets\qplaintextedit.h:270: in expansion of macro 'Q_DISABLE_COPY'
     Q_DISABLE_COPY(QPlainTextEdit)
     ^
E:\Project\CPP\QImageResizing\startresizing.cpp:8: error: within this context
     this->textArea = textArea;
                    ^

e un errore simile per il bottone.
avete qualche suggerimento??

[fermat]

ok dovrei aver risolto.

#ifndef STARTRESIZING_H
#define STARTRESIZING_H

#include <QRunnable>
#include <QPlainTextEdit>
#include <QPushButton>
#include <QDebug>

class StartResizing : public QRunnable
{
public:
    explicit StartResizing(QVector<QString> list, int width, int height, QPlainTextEdit* textArea, QString dir, QPushButton* btn);
    virtual ~StartResizing();
    virtual void run();

protected:
    QVector<QString> list;
    int width;
    int heigh;
    QPlainTextEdit* textArea;
    QString dir;
    QPushButton* btn;
};

#endif // STARTRESIZING_H

e modificando di conseguenza il file .cpp.