[Webkit-unassigned] [Bug 203914] [GTK] kinetic scroll speed should be cumulative

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=203914

Alexander Mikhaylenko <alexm at gnome.org> changed:

           What    |Removed                     |Added
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                 CC|                            |alexm at gnome.org

--- Comment #1 from Alexander Mikhaylenko <alexm at gnome.org> ---
Implementing it server-side isn't viable, since on Linux we also have touchscreen scrolling. For touchscreen you have no way of knowing whether this particular swipe was scrolling or something else server-side. With multitouch especially this can get very complex, e.g. consider a pinch gesture like you would use for zooming, but with both fingers being in different windows. In that case both have to be treated like independent pan/scroll gestures with regular kinetic deceleration after.

So all in all implementing it client-side makes total sense to me.

Agree it should be cumulative, especially on touch. Currently Librem 5 ships a downstream patch to reduce the deceleration factor from 4 to 1 to work around touch scrolling being too slow.

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