Add windows implementations

Sine Striker

2023-12-01 027122452a25191b81fef8fe35f5b54768d435f2

 src/widgets/widgetwindowagent.cpp

@@ -21,20 +21,23 @@
    WidgetWindowAgent::~WidgetWindowAgent() {
    }

    void WidgetWindowAgent::setup(QWidget *w) {
    bool WidgetWindowAgent::setup(QWidget *w) {
        Q_ASSERT(w);
        if (!w) {
            return;
            return false;
        }

        Q_D(WidgetWindowAgent);
        if (d->host) {
            return;
            return false;
        }
        d->host = w;

        std::ignore = w->winId(); // Make sure the window handle is created
        d->setup(w->windowHandle(), new WidgetItemDelegate());
        if (!d->setup(w->windowHandle(), new WidgetItemDelegate())) {
            return true;
        }
        d->host = w;
        return true;
    }

    bool WidgetWindowAgent::isHitTestVisible(QWidget *w) const {