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Re: [pointerevents] Touch/Trackpad finger position

From: Mustaq Ahmed via GitHub <sysbot+gh@w3.org>
Date: Fri, 08 Dec 2017 16:29:45 +0000
To: public-pointer-events@w3.org
Message-ID: <issue_comment.created-350307256-1512750584-sysbot+gh@w3.org>
My opinion is that scaling trackpad rectangle onto screen rectangle (so that there's a 1:1 mapping between a trackpad position and a screen position) won't be useful because before actually making a tap, a user won't know where on screen the tap is going to land (since trackpad is an indirect manipulation device unlike a touchscreen).

It seems Edge is shipping something close, where (among other things) trackpad position is still relative to mouse pointer position.  See #206 and [blog post for the Edge feature](https://blogs.windows.com/msedgedev/2017/12/07/better-precision-touchpad-experience-ptp-pointer-events/).


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