| Summary: | Add 3-finger pinch support | ||
|---|---|---|---|
| Product: | Wayland | Reporter: | Bastien Nocera <bugzilla> |
| Component: | libinput | Assignee: | Peter Hutterer <peter.hutterer> |
| Status: | RESOLVED FIXED | QA Contact: | |
| Severity: | normal | ||
| Priority: | medium | CC: | peter.hutterer, tigersoldi |
| Version: | unspecified | ||
| Hardware: | Other | ||
| OS: | All | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
|
Description
Bastien Nocera
2015-11-05 12:46:20 UTC
Maybe we can use the same strategy as 2fg pinch. Just detect swipe by checking the moving directions of all fingers. Non-swipe gestures are always considered as pinch. There's a big problem with 3-finger pinch gestures that we'll face on many touchpads, particularly the current synaptics generation: we sometimes can't tell the difference between a swipe and a pinch gesture. Unless the thumb is placed down as first or second finger, we won't get positional information and the data stream from a three-finger swipe and three-finger pinch is identical. Until we get RMI4 over SMBus in the kernel, this will be a problem. commit a4adea1646606cd386015ecf13391af3a2a0ccd5 Merge: 82335b0 cab2c16 Author: Peter Hutterer <peter.hutterer@who-t.net> Date: Wed Jan 20 15:38:17 2016 +1000 Merge branch 'wip/3-finger-pinch-gesture' |
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