Bug 232991
| Summary: | [GTK] Support the "begin" phase for touchpad gestures | ||
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| Product: | WebKit | Reporter: | Chris Lord <clord> |
| Component: | Scrolling | Assignee: | Nobody <webkit-unassigned> |
| Status: | NEW | ||
| Severity: | Normal | CC: | alicem, simon.fraser |
| Priority: | P2 | ||
| Version: | WebKit Nightly Build | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| See Also: |
https://bugs.webkit.org/show_bug.cgi?id=232376 https://bugs.webkit.org/show_bug.cgi?id=232992 |
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Chris Lord
Since Gdk 3.18, swipe gestures have been supported that give us proper event phases (as opposed to just continue and end). Given we ask for a minimum of 3.22, we should take advantage of these to provide proper event phases, which would help us improve scrolling behaviour.
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| Add attachment proposed patch, testcase, etc. |
Alice Mikhaylenko
Note that for scrolling begin events are synthesized with the first update event, and on GTK level - not even libinput. So I don't think it would improve much in practice.
This should get improved a lot when GTK gets hold gesture support though - then it should be possible to stop kinetic scrolling as soon as fingers are down instead when they are first moved.