1 #include "../lv_examples.h"
2 #if LV_BUILD_EXAMPLES && LV_USE_SWITCH
3
event_cb(lv_event_t * e)4 static void event_cb(lv_event_t * e)
5 {
6 lv_event_code_t code = lv_event_get_code(e);
7 lv_obj_t * label = lv_event_get_user_data(e);
8
9 switch(code) {
10 case LV_EVENT_PRESSED:
11 lv_label_set_text(label, "The last button event:\nLV_EVENT_PRESSED");
12 break;
13 case LV_EVENT_CLICKED:
14 lv_label_set_text(label, "The last button event:\nLV_EVENT_CLICKED");
15 break;
16 case LV_EVENT_LONG_PRESSED:
17 lv_label_set_text(label, "The last button event:\nLV_EVENT_LONG_PRESSED");
18 break;
19 case LV_EVENT_LONG_PRESSED_REPEAT:
20 lv_label_set_text(label, "The last button event:\nLV_EVENT_LONG_PRESSED_REPEAT");
21 break;
22 default:
23 break;
24 }
25 }
26
27 /**
28 * Handle multiple events
29 */
lv_example_event_2(void)30 void lv_example_event_2(void)
31 {
32 lv_obj_t * btn = lv_btn_create(lv_scr_act());
33 lv_obj_set_size(btn, 100, 50);
34 lv_obj_center(btn);
35
36 lv_obj_t * btn_label = lv_label_create(btn);
37 lv_label_set_text(btn_label, "Click me!");
38 lv_obj_center(btn_label);
39
40 lv_obj_t * info_label = lv_label_create(lv_scr_act());
41 lv_label_set_text(info_label, "The last button event:\nNone");
42
43 lv_obj_add_event_cb(btn, event_cb, LV_EVENT_ALL, info_label);
44 }
45
46 #endif
47
