Add QtContext WinIdChange workaround

Sine Striker

2023-12-18 d3d7430ec9afb94abaf78fa2c9edd9d9f946881c

 src/core/contexts/qtwindowcontext.cpp

@@ -103,7 +103,8 @@

    QtWindowEventFilter::~QtWindowEventFilter() = default;

    bool QtWindowEventFilter::eventFilter(QObject *object, QEvent *event) {
    bool QtWindowEventFilter::eventFilter(QObject *obj, QEvent *event) {
        Q_UNUSED(obj)
        auto type = event->type();
        if (type < QEvent::MouseButtonPress || type > QEvent::MouseMove) {
            return false;
@@ -114,8 +115,8 @@
        bool fixedSize = delegate->isHostSizeFixed(host);
        auto me = static_cast<const QMouseEvent *>(event);
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
        QPoint scenePos = mouseEvent->scenePosition().toPoint();
        QPoint globalPos = mouseEvent->globalPosition().toPoint();
        QPoint scenePos = me->scenePosition().toPoint();
        QPoint globalPos = me->globalPosition().toPoint();
#else
        QPoint scenePos = me->windowPos().toPoint();
        QPoint globalPos = me->screenPos().toPoint();
@@ -252,10 +253,11 @@
        AbstractWindowContext::virtual_hook(id, data);
    }

    bool QtWindowContext::setupHost() {
        m_delegate->setWindowFlags(m_host, Qt::FramelessWindowHint);
        std::ignore = new QtWindowEventFilter(this, this);
        return true;
    void QtWindowContext::winIdChanged(QWindow *oldWindow) {
        Q_UNUSED(oldWindow)
        m_delegate->setWindowFlags(m_host,
                                   m_delegate->getWindowFlags(m_host) | Qt::FramelessWindowHint);
        qtWindowEventFilter = std::make_unique<QtWindowEventFilter>(this);
    }

}
}