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SourceVuESP-IDF Framework and Examplesi80_controller sampleelastic_diff()

elastic_diff() function

Syntax

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Summary

Declaration

Definition

from lv_indev_scroll.c:31

static int32_t elastic_diff(lv_obj_t * scroll_obj, int32_t diff, int32_t scroll_start, int32_t scroll_end, lv_dir_t dir);

Implemented in lv_indev_scroll.c:639

Arguments

Argument

scroll_obj

diff

scroll_start

scroll_end

dir

References

Code

Location

Referrer

static int32_t elastic_diff(lv_obj_t * scroll_obj, int32_t diff, int32_t scroll_start, int32_t scroll_end,

lv_indev_scroll.c:639

static int32_t elastic_diff(lv_obj_t * scroll_obj, int32_t diff, int32_t scroll_start, int32_t scroll_end,

lv_indev_scroll.c:31

diff_x = elastic_diff(scroll_obj, indev->pointer.vect.x, sl, sr, LV_DIR_HOR);

lv_indev_scroll.c:92

lv_indev_scroll_handler()

diff_y = elastic_diff(scroll_obj, indev->pointer.vect.y, st, sb, LV_DIR_VER);

lv_indev_scroll.c:97

lv_indev_scroll_handler()

indev->pointer.scroll_throw_vect.y = elastic_diff(scroll_obj, indev->pointer.scroll_throw_vect.y, st, sb,

lv_indev_scroll.c:141

lv_indev_scroll_throw_handler()

indev->pointer.scroll_throw_vect.x = elastic_diff(scroll_obj, indev->pointer.scroll_throw_vect.x, sl, sr,

lv_indev_scroll.c:167

lv_indev_scroll_throw_handler()

Call Tree

elastic_diff() is called by 2 functions and calls 11 functions:

lv_indev_scroll_handler()

lv_indev_scroll_throw_handler()

elastic_diff()

lv_obj_get_style_pad_top()

lv_obj_get_style_pad_bottom()

lv_obj_get_style_pad_left()

lv_obj_get_style_pad_right()

lv_area_get_width()

lv_area_get_height()

lv_obj_has_flag()

lv_obj_get_scroll_snap_x()

lv_obj_get_scroll_snap_y()

find_snap_point_y()

find_snap_point_x()

Data Use

elastic_diff() reads 11 variables:

lv_dir_t::LV_DIR_HOR

lv_obj_flag_t::LV_OBJ_FLAG_SCROLL_ELASTIC

lv_obj_t::coords

lv_scroll_snap_t::LV_SCROLL_SNAP_NONE

lv_scroll_snap_t::LV_SCROLL_SNAP_START

lv_scroll_snap_t::LV_SCROLL_SNAP_END

lv_scroll_snap_t::LV_SCROLL_SNAP_CENTER

elastic_diff()

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