Implement pointer handling #239
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When using Edge on Windows 10 with a precision touchpad (PTP), Edge does not generate scroll events. This means that zooming does not work on PTP devices. It seems that Touch events are also not generated. This commit implements support for the upcoming/new Pointer API, which is supported across most modern browsers. The Pointer API provides a unified API for pointing devices, including both mice and touchpads. After this commit, the Pointer API will be preferred to both the Touch and the mouse APIs if it is present. We do `preventDefault` on the events in order to prevent clicks from being generated by them in addition to the pointer events, since they've been handled.
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When using Edge on Windows 10 with a precision touchpad (PTP), Edge
does not generate scroll events. This means that zooming does not work
on PTP devices. It seems that Touch events are also not
generated. This commit implements support for the upcoming/new Pointer
API, which is supported across most modern browsers. The Pointer API
provides a unified API for pointing devices, including both mice and
touchpads.
After this commit, the Pointer API will be preferred to both the Touch
and the mouse APIs if it is present.
We do
preventDefaulton the events in order to prevent clicks frombeing generated by them in addition to the pointer events, since
they've been handled.