lv_indev_scroll.h

API reference for lv_indev_scroll.h

Summary

Functions

Get the distance of the nearest snap point

void lv_indev_scroll_get_snap_dist(lv_obj_t *obj, lv_point_t *p)

Name	Type	Description
`obj`	`lv_obj_t *`	the object on which snap points should be found
`p`	`lv_point_t *`	save the distance of the found snap point there

Handle scrolling. Called by LVGL during input device processing

void lv_indev_scroll_handler(lv_indev_t *indev)

Name	Type	Description
`indev`	`lv_indev_t *`	pointer to an input device

Handle throwing after scrolling. Called by LVGL during input device processing

void lv_indev_scroll_throw_handler(lv_indev_t *indev)

Name	Type	Description
`indev`	`lv_indev_t *`	pointer to an input device

Predict where would a scroll throw end

int32_t lv_indev_scroll_throw_predict(lv_indev_t *indev, lv_dir_t dir)

Name	Type	Description
`indev`	`lv_indev_t *`	pointer to an input device
`dir`	`lv_dir_t`	`LV_DIR_VER` or `LV_DIR_HOR`

Returns: int32_t — the difference compared to the current position when the throw would be finished