Unknown user Input Type: xxx

[igmiss]

Hi
I'm working on a dynamic Line Chart which updates frequently when data comes in. There are some auxiliary Graphic Items on the chart, and I override some of those mouse events so the users can zoom in/out and drag the graph. My problem is the program often crash with "Unknown user Input Type: xxx". xxx is a number with no obvious relationship with mouse inputs. Anyone has any thoughts?

[jsulm]

@igmiss Did you run through debugger to get stack trace after crash?

[igmiss]

@jsulm No I didn't. However, the problem never appeared after I added "chartview->setViewportUpdateMode(QChartView::FullViewportUpdate)". I just assume it's solved...