I maked a listwidget and push many widgets as listwidgetitems into it. and in every listwidgetitem I also put some qcustomplots as child.

now, if the pointer of the mouse on the plot, then trigger wheel button of the mouse, the left items wouldn't scroll into viewport.

I set eventfilter on plot, but it couldn't be triggered by mouse wheel.
I tried to connect plot to some slot, but the plot hasn't a signal named mouseWheel.

now the only way is set "WA_TransparentForMouseEvents" to listwidgetitem. but this attribute ignore all other mouse event on plot. such as doubleclick which I want to use it.

any one has the same issue? how did you resove it? please give me some example code!