setMouseCallBack 1648 modules/highgui/src/window_QT.cpp void CvWindow::setMouseCallBack(CvMouseCallback callback, void* param) setMouseCallBack 2334 modules/highgui/src/window_QT.cpp void DefaultViewPort::setMouseCallBack(CvMouseCallback m, void* param) setMouseCallBack 3101 modules/highgui/src/window_QT.cpp void OpenGlViewPort::setMouseCallBack(CvMouseCallback callback, void* param)