qmk_firmware/keyboards/ploopyco/trackball_mini/keymaps/drag_scroll
..
keymap.c
readme.md

readme.md

The Drag Scroll keymap for the Ploopy Trackball Mini

This is a sample keymap showing off what you can do with the custom callback drivers.

This particular example enables "drag scrolling". The movement of the ball is used to scroll up and down.