connect(m_view.position_up, SIGNAL(clicked()), this, SLOT(slotPosUp()));
connect(m_view.position_down, SIGNAL(clicked()), this, SLOT(slotPosDown()));
connect(m_view.crop_up, SIGNAL(clicked()), this, SLOT(slotCropUp()));
connect(m_view.position_up, SIGNAL(clicked()), this, SLOT(slotPosUp()));
connect(m_view.position_down, SIGNAL(clicked()), this, SLOT(slotPosDown()));
connect(m_view.crop_up, SIGNAL(clicked()), this, SLOT(slotCropUp()));