Snipe mode for QMK pointer devices

keymap.c

bool process_record_user(uint16_t keycode, keyrecord_t* record) {
   switch (keycode) {
   /*
    Next steps allow any key i.e. KC_NO to be assigned with Via or 
    Remap-keys etc and return tap for the original assigned key
   */
    case LT(0,KC_G): { 
      // intercept hold
      // Snipe Mode - slow down pointer while held
      if (!record->tap.count && record->event.pressed){
          pointing_device_driver_set_cpi(2);
          return false; // don't continue processing key
      }else{ // release
        pointing_device_driver_set_cpi(10);
        return true; // continue to process
      }
      // default - allow processing of key press/tap
      return true;
    }
  }
  return true;
}