lv_subject_t struct

The subject (an observable value)

Syntax

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Summary

Declaration

typedef struct { lv_ll_t subs_ll; uint32_t type : 4; uint32_t size : 28; lv_subject_value_t value; lv_subject_value_t prev_value; uint32_t notify_restart_query : 1; void * user_data; } lv_subject_t;

Field

Declared as

Description

Subscribers.

uint32_t : 4

uint32_t : 28

Might be used to store a size related to `type`.

Actual value.

Previous value.

uint32_t : 1

If an observer deleted start notifying from the beginning.

void *

Additional parameter, can be used freely by the user.

from examples