void ColorsListChoiceWidget::addNewRandomColor()
{
QColor newColor0(rand() % 255, rand() % 255, rand() % 255);
QColor newColor1(rand() % 255, rand() % 255, rand() % 255);
addColorWidgetWithButton(newColor0, newColor1);
emit colorListsChanged();
}
void UIPopupPane::paintBackground(const QRect &rect, QPainter &painter)
{
/* Paint background: */
QColor currentColor(palette().color(QPalette::Window));
QColor newColor1(currentColor.red(), currentColor.green(), currentColor.blue(), opacity());
QColor newColor2 = newColor1.darker(115);
QLinearGradient headerGradient(rect.topLeft(), rect.bottomLeft());
headerGradient.setColorAt(0, newColor1);
headerGradient.setColorAt(1, newColor2);
painter.fillRect(rect, headerGradient);
}