Russian Qt Forum

C++ (Qt)
#include "mainwindow.h"
#include "ui_mainwindow.h"
 
MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent), ui(new Ui::MainWindow)
{
        ui->setupUi(this);
}
 
MainWindow::~MainWindow()
{
    delete ui;
}
 
 
void MainWindow::on_pushButton_clicked()
{
    ServerThread th;
    th.start();
}

C++ (Qt)
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
 
#include <QtGui/QMainWindow>
#include <QProcess>
#include <QString>
#include "thread.h"
 
namespace Ui
{
    class MainWindow;
}
 
class MainWindow : public QMainWindow
{
    Q_OBJECT
 
public:
    MainWindow(QWidget *parent = 0);
    ~MainWindow();
 
private:
    Ui::MainWindow *ui;
 
private slots:
    void on_pushButton_clicked();
};
 
#endif // MAINWINDOW_H

C++ (Qt)
#include "thread.h"
#include "mainwindow.h"
#include <QProcess>
#include <QTextCodec>
#include <QDebug>
 
void ServerThread::run()
{
    process = new QProcess(this);
    process->setProcessChannelMode(QProcess::MergedChannels);
    connect(process, SIGNAL(readyReadStandardOutput()), this, SLOT(output()));
    process->start("uname");
    exec();
}
void ServerThread::output()
{
    QByteArray bytes = process->readAllStandardOutput();     //как передать вывод из созданного потока в основной?
}
 

C++ (Qt)
#ifndef THREAD_H
#define THREAD_H
#include <QThread>
 
class QProcess;
 
class ServerThread : public QThread
{
    Q_OBJECT
 
public:
     void run();
 
public slots:
     void output();
 
signals:
 
private:
    QProcess *process;
 
};
 
#endif // THREAD_H

QObject: Cannot create children for a parent that is in a different thread.
(Parent is ServerThread(0xbfffd8c4), parent's thread is QThread(0x804f818), current thread is ServerThread(0xbfffd8c4)
QThread: Destroyed while thread is still running

QObject: Cannot create children for a parent that is in a different thread.
(Parent is ServerThread(0xbfffd8c4), parent's thread is QThread(0x804f818), current thread is ServerThread(0xbfffd8c4)
QThread: Destroyed while thread is still running

C++ (Qt)
void ServerThread::run()
{
    QProcess process;
    process.setProcessChannelMode(QProcess::MergedChannels);
    connect(&process, SIGNAL(readyReadStandardOutput()), this, SLOT(output()));
    process.start("uname");
    exec();
}
 

C++ (Qt)
emit updateOutput(bytes);

C++ (Qt)
connect(&th,SIGNAL(updateOutput(QString)),this,SLOT(setOutput(QString)));

C++ (Qt)
void MainWindow::setOutput(QString msg)
{
   ui->textEdit->insertPlainText(msg);
}

QThread: Destroyed while thread is still running

C++ (Qt)
ServerThread *th = new ServerThread;