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SourceVuESP-IDF Framework and Examplesi80_controller samplelv_indev_scroll_throw_predict()

lv_indev_scroll_throw_predict() function

Predict where would a scroll throw end

Syntax

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Summary

Declaration

Definition

from lv_indev_scroll.h:48

int32_t lv_indev_scroll_throw_predict(lv_indev_t * indev, lv_dir_t dir);

Implemented in lv_indev_scroll.c:227

Arguments

Argument

Description

indev

pointer to an input device

dir

` LV_DIR_VER` or `LV_DIR_HOR`

Return value

the difference compared to the current position when the throw would be finished

References

Code

Location

Referrer

int32_t lv_indev_scroll_throw_predict(lv_indev_t * indev, lv_dir_t dir)

lv_indev_scroll.c:227

int32_t lv_indev_scroll_throw_predict(lv_indev_t * indev, lv_dir_t dir);

lv_indev_scroll.h:48

int32_t diff_y = lv_indev_scroll_throw_predict(indev, LV_DIR_VER);

lv_indev_scroll.c:149

lv_indev_scroll_throw_handler()

int32_t diff_x = lv_indev_scroll_throw_predict(indev, LV_DIR_HOR);

lv_indev_scroll.c:175

lv_indev_scroll_throw_handler()

Call Tree

lv_indev_scroll_throw_predict() is called by 1 function:

lv_indev_scroll_throw_handler()

lv_indev_scroll_throw_predict()

Data Use

lv_indev_scroll_throw_predict() reads 7 variables:

lv_indev_t::scroll_throw

lv_indev_t::::scroll_throw_vect_ori

lv_indev_t::pointer

lv_indev_scroll_throw_predict()

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