Difference between revisions of "Qt/Widgets/MessageBoxFromThread"

#include <QApplication>
 
#include <iostream>
 
#include "form.h"
#include "thread.h"
 
int main(int argc, char*argv[])
{
  QApplication app(argc, argv);
 
  Form form;
  form.show();
 
  return app.exec();
}

#ifndef THREAD_H
#define THREAD_H
 
#include <QThread>
 
class Thread : public QThread
{
 
public:
 
  virtual void run();
};
 
#endif

#include "thread.h"
 
#include <QMessageBox>
#include <iostream>
 
void Thread::run()
{
  std::cout << "Message box from thread" << std::endl;
 
  QMessageBox msgBox;
  msgBox.setText("Test Text");
  msgBox.exec();
 
}

#ifndef BUTTONFORM_H
#define BUTTONFORM_H
 
#include <QWidget>
#include "ui_form.h"
 
class Form : public QWidget, private Ui::Form
{
    Q_OBJECT
public:
    Form(QWidget *parent = 0);
 
public slots:
    void pushButton_clicked();
};
 
#endif

#include "form.h"
#include "thread.h"
 
Form::Form(QWidget *parent) : QWidget(parent)
{
  setupUi(this);
  connect( this->pushButton, SIGNAL( clicked() ), this, SLOT(pushButton_clicked()) );
}
 
void Form::pushButton_clicked()
{
  Thread a;
  a.start();
}