最終更新:2017-05-16 (火) 14:07:53 (2530d)  

event-gui
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A simple GTK-based graphical tool that shows the behavior and location of touch events, pointer motion, scroll axes and gestures. Since this tool gathers data directly from libinput, it is thus suitable for pointer-acceleration testing.

https://wayland.freedesktop.org/libinput/doc/latest/tools.html