OK, thanks. I have filed bug reports before but am not sure where the line 
between bug discovery and bug reporting is. For example in this case I am 
partly asking if widget focus is supposed to work this way to avoid a 
superfluous bug report. But it sounds like I should just report based on my 
judgement in the future?

Thanks!


> On Aug 3, 2017, at 8:40 AM, Andreas Aardal Hanssen 
> <andreas.aardal.hans...@gmail.com> wrote:
> 
> 
>> 3. aug. 2017 kl. 04.54 skrev Patrick Stinson <patrickk...@gmail.com>:
>> Hi there!
>> I am seeing a QEvent::TouchBegin being sent to the QGraphicsView viewport 
>> (on Mac) when moving the mouse into or out of the view with no buttons 
>> pressed. I noticed this because if a QLineEdit somewhere else on the window, 
>> and then I move the mouse over the view, the line edit loses focus within 
>> the last line in the following code block in Application::notify, where 
>> “widget” is the QGraphicsView viewport.
>> At other times this same block is called (indicating a TouchBegin event) 
>> when I simply move the mouse outside the view again.
>> What gives? The stack trace doesn’t include the generation of the touch 
>> event so I can’t infer the conceptual policy here. Seems like line edit 
>> should at least retain focus when not clicking or dragging anywhere.
> 
> Hi Patrick, if you file a bug on bugreports.qt.io with the above info, we can 
> track it and see if someone can find the cause of the error you are seeing. 
> If can be anything from phantom touch events from your Mac to bugs in 
> application or library or system software. Best we try to isolate the error. 
> (qt-development is more for discussion on the development of Qt, than use of 
> it). :-)
> 
> Andreas
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