[Development] [QtQuick] Mouse/Touch handling from Qt CS
Frederik Gladhorn
frederik.gladhorn at digia.com
Wed Jul 24 18:15:47 CEST 2013
Hi,
thanks for bringing this up on the mailing list Alan :)
Onsdag 24. juli 2013 08.45.17 skrev Alan Alpert:
> Qt CS had a discussion on how to handle mouse and touch event
> conflicts in QtQuick going forwards.
>
> An interesting idea came up that the existing model might be
> salvageable if we fix multi-cursor support. Some investigation will
> occur to see whether having multiple mouse grabs automatically solves
> the multitouch problems the current model has with converting touch
> events to mouse events. Also necessary is some sort of grab stack so
> that when a multi-finger gesture moves the mouse events to a different
> item, the grab for single fingers can return to where it was should
> the other fingers lift.
>
> If this approach works, then we'll have multi-touch and multi-cursor
> support without having to redesign the pointer interaction model in
> QtQuick. Otherwise we'll just have to implement separate touch and
> mouse handlers in all QtQuick items until we come up with a better
> idea.
My notes are on the wiki for the session:
http://qt-project.org/groups/qt-contributors-summit-2013/wiki/QtQuick_TouchMouse
I hope that we get most of the issues fixed for 5.2 actually. Let's see how
far we get.
> --
> Alan Alpert
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--
Best regards,
Frederik Gladhorn
Senior Software Engineer - Digia, Qt
Visit us on: http://qt.digia.com
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