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Some older touchpad devices jitter a fair bit when a finger is resting on the touchpad. That's why the hysteresis was introduced in the synaptics driver back in 2011. However, the default value of the hysteresis in the synaptics driver ended up being 0, even though the code looks like it's using a fraction of the touchpad diagonal. When the hysteresis code was ported to libinput it was eventually set to 0.5mm. Turns out this is still too high and tiny finger motions are either nonreactive or quite jumpy, making it hard to select small targets. Drop the default hysteresis by reducing its margin to 0, but leave it in place for those devices where we need them (e.g. the cyapa touchpads). https://bugs.freedesktop.org/show_bug.cgi?id=93503 Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Hans de Goede <hdegoede@redhat.com> |
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| .gitignore | ||
| 80-libinput-device-groups.rules.in | ||
| 80-libinput-test-device.rules | ||
| 90-libinput-model-quirks.hwdb | ||
| 90-libinput-model-quirks.rules.in | ||
| libinput-device-group.c | ||
| libinput-model-quirks.c | ||
| Makefile.am | ||