1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
#include "../../lv_examples.h"
#if LV_USE_KEYBOARD && LV_BUILD_EXAMPLES
static void ta_event_cb(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * ta = lv_event_get_target(e);
lv_obj_t * kb = lv_event_get_user_data(e);
if(code == LV_EVENT_FOCUSED) {
lv_keyboard_set_textarea(kb, ta);
lv_obj_remove_flag(kb, LV_OBJ_FLAG_HIDDEN);
}
if(code == LV_EVENT_DEFOCUSED) {
lv_keyboard_set_textarea(kb, NULL);
lv_obj_add_flag(kb, LV_OBJ_FLAG_HIDDEN);
}
}
void lv_example_keyboard_1(void)
{
/*Create a keyboard to use it with an of the text areas*/
lv_obj_t * kb = lv_keyboard_create(lv_screen_active());
/*Create a text area. The keyboard will write here*/
lv_obj_t * ta1;
ta1 = lv_textarea_create(lv_screen_active());
lv_obj_align(ta1, LV_ALIGN_TOP_LEFT, 10, 10);
lv_obj_add_event_cb(ta1, ta_event_cb, LV_EVENT_ALL, kb);
lv_textarea_set_placeholder_text(ta1, "Hello");
lv_obj_set_size(ta1, 140, 80);
lv_obj_t * ta2;
ta2 = lv_textarea_create(lv_screen_active());
lv_obj_align(ta2, LV_ALIGN_TOP_RIGHT, -10, 10);
lv_obj_add_event_cb(ta2, ta_event_cb, LV_EVENT_ALL, kb);
lv_obj_set_size(ta2, 140, 80);
lv_keyboard_set_textarea(kb, ta1);
/*The keyboard will show Arabic characters if they are enabled */
#if LV_USE_ARABIC_PERSIAN_CHARS && LV_FONT_DEJAVU_16_PERSIAN_HEBREW
lv_obj_set_style_text_font(kb, &lv_font_dejavu_16_persian_hebrew, 0);
lv_obj_set_style_text_font(ta1, &lv_font_dejavu_16_persian_hebrew, 0);
lv_obj_set_style_text_font(ta2, &lv_font_dejavu_16_persian_hebrew, 0);
#endif
}
#endif
|
