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Get btn index without providing list object

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This commit is contained in:
Brian Pugh 2019-01-12 12:08:41 -08:00
parent 8a3b60e0c5
commit bd30245492
2 changed files with 6 additions and 2 deletions
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6
lv_objx/lv_list.c
View File

@ -511,13 +511,17 @@ lv_obj_t * lv_list_get_next_btn(const lv_obj_t * list, lv_obj_t * prev_btn)
/**
* Get the index of the button in the list
* @param list pointer to a list object
* @param list pointer to a list object. If NULL, assumes btn is part of a list.
* @param btn pointer to a list element (button)
* @return the index of the button in the list, or -1 of the button not in this list
*/
int32_t lv_list_get_btn_index(const lv_obj_t * list, const lv_obj_t * btn)
{
int index = 0;
if( list == NULL ){
/* no list provided, assuming btn is part of a list */
list = lv_obj_get_parent(lv_obj_get_parent(btn));
}
lv_obj_t * e = lv_list_get_next_btn(list, NULL);
while(e != NULL) {
if(e == btn) {

2
lv_objx/lv_list.h
View File

@ -232,7 +232,7 @@ lv_obj_t * lv_list_get_next_btn(const lv_obj_t * list, lv_obj_t * prev_btn);
/**
* Get the index of the button in the list
* @param list pointer to a list object
* @param list pointer to a list object. If NULL, assumes btn is part of a list.
* @param btn pointer to a list element (button)
* @return the index of the button in the list, or -1 of the button not in this list
*/