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1cebdc7a2b
The previous setting of 10 wasn't 10 mm, it was used against the deltas normalized to a 1000DPI mouse, i.e. closer to 4mm. It was also also per-event, so a slow movement or a high-frequency touchpad can struggle to meet the threshold. Change the trigger to be ~5 mm from the initial touch down, accumulated until we either meet the threshold or the timeout expires. The first scroll event includes the delta since the touch down rather than the most recent delta. This removes the delay otherwise seen in scrolling and makes the scroll motion match the finger motion. This accumulated delta only applies when exceeding the motion threshold, when the timeout triggers the switch to scrolling the first delta posted is the current delta. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Hans de Goede <hdegoede@redhat.com> |
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/*!@mainpage libinput ======== libinput is a library that handles input devices for display servers and other applications that need to directly deal with input devices. It provides device detection, device handling, input device event processing and abstraction so minimize the amount of custom input code the user of libinput need to provide the common set of functionality that users expect. Input event processing includes scaling touch coordinates, generating pointer events from touchpads, pointer acceleration, etc. libinput originates from weston, the Wayland reference compositor. The source code of libinput can be found at: http://cgit.freedesktop.org/wayland/libinput For more information, visit: http://www.freedesktop.org/wiki/Software/libinput/ Bugs can be filed in the libinput component of Wayland: https://bugs.freedesktop.org/enter_bug.cgi?product=Wayland&component=libinput Online API documentation: http://wayland.freedesktop.org/libinput/doc/latest/modules.html */