[Development] Processing synthesized mouse events in platform plugins
Александр Волков
a.volkov at rusbitech.ru
Wed Jan 7 15:29:34 CET 2015
Oh, sorry, I'm not familiar with OS X and I was keeping in mind
touchscreens.
Of course all this is not related to touchpads. And setting
Qt::MouseEventSynthesizedBySystem for touchpads
is not really correct because mouse events are synthesized differently
for touchpads and touchscreens.
So there is only one thought from my original message that makes sense:
ignore synthesized left mouse button events on Windows.
07.01.2015 16:34, Sorvig Morten пишет:
> This is correct; historically touchpad mouse events have been treated as “real” mouse events.
>
> In fact, single-point touch events are not forwarded to Qt, unless
> 1) the event receiver is a QWidget
> 2) that QWidget has WA_TouchPadAcceptSingleTouchEvents set.
>
> Setting Qt::MouseEventSynthesizedBySystem sounds like something we should do provided that information is available on the native event.
>
> I’m not sure about the "ignore synthesized mouse events” part: What would change from the app perspective, and how would we preserve compatibility?
>
> Morten
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