+#if QT_VERSION >= 0x040600
+ m_startAnimation = new QPropertyAnimation(this, "rect");
+ m_startAnimation->setDuration(200);
+ QRectF r(0, 0, m_info.cropDuration.frames(fps) - 0.02, (qreal)(KdenliveSettings::trackheight() / 3 + 5));
+ QRectF r2(0, 0, m_info.cropDuration.frames(fps) - 0.02, (qreal)(KdenliveSettings::trackheight() / 3 * 2 - 1));
+ m_startAnimation->setStartValue(r);
+ m_startAnimation->setEndValue(r2);
+ m_startAnimation->setEasingCurve(QEasingCurve::OutQuad);
+ m_startAnimation->start();
+#else
+ setRect(0, 0, m_info.cropDuration.frames(fps) - 0.02, (qreal)(KdenliveSettings::trackheight() / 3 * 2 - 1));
+#endif
+