Function checkPoint

src/qt/guiutil.cpp:392–397

}

bool checkPoint(const QPoint &p, const QWidget *w)
{
    QWidget *atW = QApplication::widgetAt(w->mapToGlobal(p));
    if (!atW) return false;
    return atW->window() == w;
}

bool isObscured(QWidget *w)
{