13 static void btn_event_cb(lv_event_t * e);
14 static void label_event_cb(lv_event_t * e);
15 static void slider_event_cb(lv_event_t * e);
107 static void btn_event_cb(lv_event_t * e)  in btn_event_cb()  argument
109     lv_obj_t * btn = lv_event_get_target(e);  in btn_event_cb()
110     lv_event_code_t code = lv_event_get_code(e);  in btn_event_cb()
121 static void label_event_cb(lv_event_t * e)  in label_event_cb()  argument
123     lv_obj_t * label = lv_event_get_target(e);  in label_event_cb()
124     lv_event_code_t code = lv_event_get_code(e);  in label_event_cb()
126         lv_msg_t * m = lv_event_get_msg(e);  in label_event_cb()
134 static void slider_event_cb(lv_event_t * e)  in slider_event_cb()  argument
136     lv_obj_t * slider = lv_event_get_target(e);  in slider_event_cb()
137     lv_event_code_t code = lv_event_get_code(e);  in slider_event_cb()
143         lv_msg_t * m = lv_event_get_msg(e);  in slider_event_cb()