connect(m_fadingTimeLine, SIGNAL(frameChanged(int)),
this, SLOT(setFadingValue(int)));
m_fadingTimeLine->setFrameRange(0, 255);
connect(m_fadingTimeLine, SIGNAL(frameChanged(int)),
this, SLOT(setFadingValue(int)));
m_fadingTimeLine->setFrameRange(0, 255);