qt-creator/tests/manual/process/mainwindow.cpp

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#include "mainwindow.h"

#include <utils/synchronousprocess.h>

#include <QPlainTextEdit>
#include <QApplication>
#include <QDebug>
#include <QTimer>

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    m_logWindow(new QPlainTextEdit)
{
    setCentralWidget(m_logWindow);
    QTimer::singleShot(200, this, SLOT(test()));
}

void MainWindow::append(const QString &s)
{
    m_logWindow->appendPlainText(s);
}

void MainWindow::test()
{
    QStringList args = QApplication::arguments();
    args.pop_front();
    const QString cmd = args.front();
    args.pop_front();
    Utils::SynchronousProcess process;
    process.setTimeout(2000);
    qDebug() << "Async: " << cmd << args;
    connect(&process, SIGNAL(stdOut(QString,bool)), this, SLOT(append(QString)));
    connect(&process, SIGNAL(stdErr(QString,bool)), this, SLOT(append(QString)));
    const Utils::SynchronousProcessResponse resp = process.run(cmd, args);
    qDebug() << resp;
}