1 #include "../../lv_examples.h"
2 #if LV_USE_CHECKBOX && LV_BUILD_EXAMPLES
3
event_handler(lv_event_t * e)4 static void event_handler(lv_event_t * e)
5 {
6 lv_event_code_t code = lv_event_get_code(e);
7 lv_obj_t * obj = lv_event_get_target(e);
8 if(code == LV_EVENT_VALUE_CHANGED) {
9 LV_UNUSED(obj);
10 const char * txt = lv_checkbox_get_text(obj);
11 const char * state = lv_obj_get_state(obj) & LV_STATE_CHECKED ? "Checked" : "Unchecked";
12 LV_UNUSED(txt);
13 LV_UNUSED(state);
14 LV_LOG_USER("%s: %s", txt, state);
15 }
16 }
17
lv_example_checkbox_1(void)18 void lv_example_checkbox_1(void)
19 {
20 lv_obj_set_flex_flow(lv_screen_active(), LV_FLEX_FLOW_COLUMN);
21 lv_obj_set_flex_align(lv_screen_active(), LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_CENTER);
22
23 lv_obj_t * cb;
24 cb = lv_checkbox_create(lv_screen_active());
25 lv_checkbox_set_text(cb, "Apple");
26 lv_obj_add_event_cb(cb, event_handler, LV_EVENT_ALL, NULL);
27
28 cb = lv_checkbox_create(lv_screen_active());
29 lv_checkbox_set_text(cb, "Banana");
30 lv_obj_add_state(cb, LV_STATE_CHECKED);
31 lv_obj_add_event_cb(cb, event_handler, LV_EVENT_ALL, NULL);
32
33 cb = lv_checkbox_create(lv_screen_active());
34 lv_checkbox_set_text(cb, "Lemon");
35 lv_obj_add_state(cb, LV_STATE_DISABLED);
36 lv_obj_add_event_cb(cb, event_handler, LV_EVENT_ALL, NULL);
37
38 cb = lv_checkbox_create(lv_screen_active());
39 lv_obj_add_state(cb, LV_STATE_CHECKED | LV_STATE_DISABLED);
40 lv_checkbox_set_text(cb, "Melon\nand a new line");
41 lv_obj_add_event_cb(cb, event_handler, LV_EVENT_ALL, NULL);
42
43 lv_obj_update_layout(cb);
44 }
45
46 #endif
47
