Method updateSpd

customScrollContainer.cpp:165–170

}

void ScrollAreaCustom::updateSpd(){
    int spd = lastY - strtY;
    scrollDown = spd >= 0;
    strtY = lastY;
    curSpd = abs(spd);
}

void ScrollAreaCustom::addWidget(QWidget *newWidget, bool setAnimation){
    newWidget->setParent(container);