connect(m_view.show_thumbs, SIGNAL(stateChanged(int)), this, SLOT(slotEnableThumbs(int)));
connect(m_view.slide_fade, SIGNAL(stateChanged(int)), this, SLOT(slotEnableLuma(int)));
connect(m_view.show_thumbs, SIGNAL(stateChanged(int)), this, SLOT(slotEnableThumbs(int)));
connect(m_view.slide_fade, SIGNAL(stateChanged(int)), this, SLOT(slotEnableLuma(int)));