1 #include "../../lv_examples.h"
2 #if LV_USE_GRIDNAV && LV_USE_FLEX && LV_BUILD_EXAMPLES
3
4 /**
5 * Demonstrate a a basic grid navigation
6 */
lv_example_gridnav_1(void)7 void lv_example_gridnav_1(void)
8 {
9 /*It's assumed that the default group is set and
10 *there is a keyboard indev*/
11
12 lv_obj_t * cont1 = lv_obj_create(lv_scr_act());
13 lv_gridnav_add(cont1, LV_GRIDNAV_CTRL_NONE);
14
15 /*Use flex here, but works with grid or manually placed objects as well*/
16 lv_obj_set_flex_flow(cont1, LV_FLEX_FLOW_ROW_WRAP);
17 lv_obj_set_style_bg_color(cont1, lv_palette_lighten(LV_PALETTE_BLUE, 5), LV_STATE_FOCUSED);
18 lv_obj_set_size(cont1, lv_pct(50), lv_pct(100));
19
20 /*Only the container needs to be in a group*/
21 lv_group_add_obj(lv_group_get_default(), cont1);
22
23 lv_obj_t * label = lv_label_create(cont1);
24 lv_label_set_text_fmt(label, "No rollover");
25
26 uint32_t i;
27 for(i = 0; i < 10; i++) {
28 lv_obj_t * obj = lv_btn_create(cont1);
29 lv_obj_set_size(obj, 70, LV_SIZE_CONTENT);
30 lv_obj_add_flag(obj, LV_OBJ_FLAG_CHECKABLE);
31 lv_group_remove_obj(obj); /*Not needed, we use the gridnav instead*/
32
33 lv_obj_t * label = lv_label_create(obj);
34 lv_label_set_text_fmt(label, "%d", i);
35 lv_obj_center(label);
36 }
37
38 /* Create a second container with rollover grid nav mode.*/
39
40 lv_obj_t * cont2 = lv_obj_create(lv_scr_act());
41 lv_gridnav_add(cont2, LV_GRIDNAV_CTRL_ROLLOVER);
42 lv_obj_set_style_bg_color(cont2, lv_palette_lighten(LV_PALETTE_BLUE, 5), LV_STATE_FOCUSED);
43 lv_obj_set_size(cont2, lv_pct(50), lv_pct(100));
44 lv_obj_align(cont2, LV_ALIGN_RIGHT_MID, 0, 0);
45
46 label = lv_label_create(cont2);
47 lv_obj_set_width(label, lv_pct(100));
48 lv_label_set_text_fmt(label, "Rollover\nUse tab to focus the other container");
49
50 /*Only the container needs to be in a group*/
51 lv_group_add_obj(lv_group_get_default(), cont2);
52
53 /*Add and place some children manually*/
54 lv_obj_t * ta = lv_textarea_create(cont2);
55 lv_obj_set_size(ta, lv_pct(100), 80);
56 lv_obj_set_pos(ta, 0, 80);
57 lv_group_remove_obj(ta); /*Not needed, we use the gridnav instead*/
58
59 lv_obj_t * cb = lv_checkbox_create(cont2);
60 lv_obj_set_pos(cb, 0, 170);
61 lv_group_remove_obj(cb); /*Not needed, we use the gridnav instead*/
62
63 lv_obj_t * sw1 = lv_switch_create(cont2);
64 lv_obj_set_pos(sw1, 0, 200);
65 lv_group_remove_obj(sw1); /*Not needed, we use the gridnav instead*/
66
67 lv_obj_t * sw2 = lv_switch_create(cont2);
68 lv_obj_set_pos(sw2, lv_pct(50), 200);
69 lv_group_remove_obj(sw2); /*Not needed, we use the gridnav instead*/
70 }
71
72 #endif
73
