hide instead of disable

Author: henkwiedig

src/gsmenu/helper.c

@@ -524,7 +524,6 @@ lv_obj_t * create_dropdown(lv_obj_t * parent, const char * icon, const char * la
     lv_dropdown_set_dir(dd, LV_DIR_RIGHT);
     lv_dropdown_set_symbol(dd, LV_SYMBOL_RIGHT);
     lv_obj_set_width(dd,300); // someone got a better idea ?
-    lv_obj_add_state(dd, LV_STATE_DISABLED);
 
     lv_obj_add_style(dd, &style_openipc_outline, LV_PART_MAIN | LV_STATE_FOCUS_KEY);
     lv_obj_add_style(dd, &style_openipc_dark_background, LV_PART_MAIN | LV_STATE_DEFAULT);
@@ -864,8 +863,8 @@ void get_dropdown_value(lv_obj_t * parent) {
     thread_data_t * param_user_data  = (thread_data_t*) lv_obj_get_user_data(obj);
     lv_dropdown_set_options(obj,get_values(param_user_data));
     update_dropdown_width(obj);
-    if (lv_dropdown_get_option_cnt(obj) > 1)
-        lv_obj_remove_state(obj, LV_STATE_DISABLED);
+    if (lv_dropdown_get_option_cnt(obj) == 1)
+        lv_obj_add_flag(lv_obj_get_parent(obj), LV_OBJ_FLAG_HIDDEN);
 }
 
 bool file_exists(const char *path) {