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SourceVuESP-IDF Framework and Examplesi80_controller samplelist_release_handler()

list_release_handler() function

Called when a drop down list is released to open it or set new option

Syntax

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Summary

Declaration

Definition

from lv_dropdown.c:56

static lv_result_t list_release_handler(lv_obj_t * list_obj);

Implemented in lv_dropdown.c:1126

Arguments

Argument

list_obj

Return value

LV_RESULT_INVALID if the list is not being deleted in the user callback. Else LV_RESULT_OK

References

Code

Location

Referrer

static lv_result_t list_release_handler(lv_obj_t * list_obj)

lv_dropdown.c:1126

static lv_result_t list_release_handler(lv_obj_t * list_obj);

lv_dropdown.c:56

list_release_handler(list);

lv_dropdown.c:839

lv_dropdown_list_event()

Call Tree

list_release_handler() is called by 1 function and calls 10 functions:

lv_dropdown_list_event()

list_release_handler()

lv_group_get_editing()

lv_group_set_editing()

lv_indev_active()

lv_indev_get_type()

lv_indev_get_point()

lv_obj_send_event()

lv_obj_get_group()

lv_obj_invalidate()

lv_dropdown_close()

get_id_on_point()

Data Use

list_release_handler() reads 9 variables and writes 2 variables:

lv_event_code_t::LV_EVENT_VALUE_CHANGED

lv_indev_type_t::LV_INDEV_TYPE_POINTER

lv_indev_type_t::LV_INDEV_TYPE_BUTTON

lv_indev_type_t::LV_INDEV_TYPE_ENCODER

lv_result_t::LV_RESULT_OK

lv_dropdown_t::text

lv_dropdown_t::sel_opt_id

lv_dropdown_list_t::dropdown

list_release_handler()

lv_dropdown_t::sel_opt_id

lv_dropdown_t::sel_opt_id_orig

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Lifecycle

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