painter->fillRect(x, y, dx, dy, QColor(0xcc, 0xcc, 0xff, 0xff));
painter->setPen(QColor(0x00, 0x00, 0xff, 0xff));
painter->drawRect(x, y, dx, dy);
painter->fillRect(x, y, dx, dy, QColor(0xcc, 0xcc, 0xff, 0xff));
painter->setPen(QColor(0x00, 0x00, 0xff, 0xff));
painter->drawRect(x, y, dx, dy);