connect(doubleparam, SIGNAL(valueChanged(double)), this, SLOT(slotAdjustKeyframeValue(double)));
connect(this, SIGNAL(showComments(bool)), doubleparam, SLOT(slotShowComment(bool)));
connect(doubleparam, SIGNAL(setInTimeline(int)), this, SLOT(slotUpdateVisibleParameter(int)));
connect(doubleparam, SIGNAL(valueChanged(double)), this, SLOT(slotAdjustKeyframeValue(double)));
connect(this, SIGNAL(showComments(bool)), doubleparam, SLOT(slotShowComment(bool)));
connect(doubleparam, SIGNAL(setInTimeline(int)), this, SLOT(slotUpdateVisibleParameter(int)));