System information (version)

• OpenCV => 4.5.3
• Operating System / Platform => Ubuntu 21.10
• Compiler => GCC 11.2.0

Detailed description

After upgrading to Ubuntu 21.10 (from Ubuntu 21.04, which includes an OpenCV upgrade too) the mouse event callback function is not called anymore when the wheel is scrolled. Ubuntu or OpenCV issue?

Steps to reproduce

static void onMouse( int event, int x, int y, int flags, void* callbackData)
{
cout << "Event " << event << " x " << x << " y " << y << endl;
}
:
in main():
:
setMouseCallback(windowName, onMouse, zoomRect);
:

Issue submission checklist

• [ X] I report the issue, it's not a question