qt/LedOK/main.cpp

#include "mainwindow.h"
#include <QApplication>
#include <QFile>
#include <QMessageBox>
#include <QSplashScreen>
#include <QStandardPaths>

#ifdef _MSC_VER //MSVC编译器
#include <Windows.h>
#include <DbgHelp.h>
LONG WINAPI handleException(_EXCEPTION_POINTERS *excep) {
    auto errCode = QString::number(excep->ExceptionRecord->ExceptionCode, 16);
    auto errAddr = QString::number((uint)excep->ExceptionRecord->ExceptionAddress, 16);
    auto hDumpFile = CreateFile(L"ledok-crash.dmp", GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
    if(hDumpFile == INVALID_HANDLE_VALUE) {
        qCritical()<<"CreateFile ledok-crash.dmp Failed! ExceptionCode"<<errCode<<"ExceptionAddress"<<errAddr;
        return EXCEPTION_CONTINUE_SEARCH;
    }
    MINIDUMP_EXCEPTION_INFORMATION dumpInfo{GetCurrentThreadId(), excep, TRUE};
    MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), hDumpFile, MiniDumpNormal, &dumpInfo, NULL, NULL);//写入Dump文件内容
    CloseHandle(hDumpFile);
    QMessageBox::critical(0, "程序出错 (V" APP_VERSION" - " __DATE__", Code: "+errCode+")", "<b>程序出错!</b><br/>请将安装目录下的 ledok-crash.dmp 文件发送到 gangphon@qq.com 邮箱, 研发人员会尽快处理.");
    return EXCEPTION_EXECUTE_HANDLER;
//  EXCEPTION_EXECUTE_HANDLER 已处理异常, 让 windows 正常结束
//  EXCEPTION_CONTINUE_SEARCH 未处理异常, 让 windows 弹出错误框并结束 (Qt会卡死一段时间)
//  EXCEPTION_CONTINUE_EXECUTION 已修复错误, 让 windows 从异常发生处继续执行
}
#endif

QString css;
int main(int argc, char *argv[]) {
    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
    QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
    QApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
    QApplication::setOrganizationName("Shanghai Xixun Electronic Technology Co., Ltd.");
    QApplication::setOrganizationDomain("www.ledok.cn");
    QApplication::setApplicationName("LedOK Express");
    QApplication::setStyle("Fusion");
    QApplication a(argc, argv);

    QSplashScreen splash(QPixmap(":/res/splash.png"));
    splash.show();
    splash.showMessage(QObject::tr("Setting up the LedOK Express..."), Qt::AlignRight | Qt::AlignTop, Qt::white);

    QFile file(":/css.css");
    if(file.exists() && file.open(QFile::ReadOnly)) {
        a.setStyleSheet(css = file.readAll());
        file.close();
    }
    QFont font;
    font.setFamilies(QStringList{"Arial","PingFang SC","Hiragino Sans GB","STHeiti","Microsoft YaHei","WenQuanYi Micro Hei","sans-serif"});
    a.setFont(font);
    auto plt = a.palette();
    plt.setBrush(QPalette::AlternateBase, plt.brush(QPalette::Active, QPalette::Window));
    plt.setBrush(QPalette::Inactive, QPalette::Highlight, plt.brush(QPalette::Active, QPalette::Highlight));
    plt.setBrush(QPalette::Inactive, QPalette::HighlightedText, plt.brush(QPalette::Active, QPalette::HighlightedText));
    a.setPalette(plt);

    QTranslator qtTrans;
    if(qtTrans.load(QLocale(), "qt", "_", "translations")) QCoreApplication::installTranslator(&qtTrans);

    gFileHome = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);

#ifdef _MSC_VER
    SetUnhandledExceptionFilter(handleException);
#endif
    MainWindow w;
    w.show();
    splash.finish(&w);

    return a.exec();
}