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defining lv_group_remove_all_objs

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`lv_group_remove_all_objs` is a function for removing all objects from a group and making it free of objects.
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Ali Rostami 2019-05-19 10:00:59 +04:30 committed by GitHub
parent 62ea055785
commit 8c5c8ed82a
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1 changed files with 22 additions and 0 deletions
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src/lv_core/lv_group.c
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@ -193,6 +193,28 @@ void lv_group_remove_obj(lv_obj_t * obj)
}
}
/**
* remove all objects from a group
* @param group pointer to a group
*/
void lv_group_remove_all_objs(lv_group_t * group)
{
/*Defocus the the currently focused object*/
if(group->obj_focus != NULL) {
(*group->obj_focus)->signal_cb(*group->obj_focus, LV_SIGNAL_DEFOCUS, NULL);
lv_obj_invalidate(*group->obj_focus);
group->obj_focus = NULL;
}
/*Remove the objects from the group*/
lv_obj_t ** obj;
LV_LL_READ(group->obj_ll, obj) {
(*obj)->group_p = NULL;
}
lv_ll_clear(&(group->obj_ll));
}
/**
* Focus on an object (defocus the current)
* @param obj pointer to an object to focus on