code_app/app/upgrade/mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "base/HGDef.h"
#include "base/HGInc.h"
#include <QLabel>
#include <QMovie>
#include <QMessageBox>
#if defined(HG_CMP_MSC)
#include <shellapi.h>
#include <tlhelp32.h>
#endif

MainWindow::MainWindow(const std::string &appName, const std::string& pkgPath, QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
    , m_appName(appName)
    , m_pkgPath(pkgPath)
    , m_thread(nullptr)
    , m_success(false)
{
    ui->setupUi(this);

    setWindowTitle(tr("Installation"));
    setWindowFlags(Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::WindowMinMaxButtonsHint);

    ui->label_text->setText(tr("Installation in progress, please wait..."));

    QMovie *movie = new QMovie(":images/image_rsc/logo/waiting.gif");
    ui->label_gif->setMovie(movie);
    movie->setCacheMode(QMovie::CacheAll);
    movie->setScaledSize(QSize(ui->label_gif->width(), ui->label_gif->height()));
    movie->start();
    ui->label_gif->show();

    connect(this, SIGNAL(closeWnd()), this, SLOT(close()), Qt::QueuedConnection);

    HGBase_OpenThread(ThreadFunc, this, &m_thread);
}

MainWindow::~MainWindow()
{
    HGBase_CloseThread(m_thread);
    m_thread = nullptr;

    delete ui;
}

bool MainWindow::isInstallSuccess()
{
    return m_success;
}

bool MainWindow::Upgrade(const std::string& pkgPath)
{
    bool ret = false;

#if defined(HG_CMP_MSC)

    PROCESS_INFORMATION ProcessInfo;
    STARTUPINFOA StartupInfo;
    ZeroMemory(&StartupInfo, sizeof(StartupInfo));
    StartupInfo.cb = sizeof(StartupInfo);

    char command[256];
    sprintf(command, "%s %s", pkgPath.c_str(), "/verysilent");
    if (CreateProcessA(nullptr, command, nullptr, nullptr, FALSE, 0, nullptr, nullptr, &StartupInfo, &ProcessInfo))
    {
        WaitForSingleObject(ProcessInfo.hProcess, INFINITE);
        DWORD dwCode = 0;
        GetExitCodeProcess(ProcessInfo.hProcess, &dwCode);
        CloseHandle(ProcessInfo.hThread);
        CloseHandle(ProcessInfo.hProcess);
        ret = (0 == dwCode);
    }

#else
    std::string cmd = "pkexec dpkg -i \"" + pkgPath + "\"";
    if (0 == system(cmd.c_str()))
        ret = true;
#endif

    return ret;
}

void MainWindow::ThreadFunc(HGThread thread, HGPointer param)
{
    (void)thread;
    MainWindow* p = (MainWindow*)param;
    p->m_success = Upgrade(p->m_pkgPath);

    emit p->closeWnd();
}