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Alejandro Guerrero 2026-09-27 17:21:39 +02:00
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libraries/lvgl/examples/widgets/textarea/lv_example_textarea_2.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_TEXTAREA && LV_USE_KEYBOARD && LV_BUILD_EXAMPLES
static void ta_event_cb(lv_event_t * e);
static lv_obj_t * kb;
void lv_example_textarea_2(void)
{
/*Create the password box*/
lv_obj_t * pwd_ta = lv_textarea_create(lv_scr_act());
lv_textarea_set_text(pwd_ta, "");
lv_textarea_set_password_mode(pwd_ta, true);
lv_textarea_set_one_line(pwd_ta, true);
lv_obj_set_width(pwd_ta, lv_pct(40));
lv_obj_set_pos(pwd_ta, 5, 20);
lv_obj_add_event_cb(pwd_ta, ta_event_cb, LV_EVENT_ALL, NULL);
/*Create a label and position it above the text box*/
lv_obj_t * pwd_label = lv_label_create(lv_scr_act());
lv_label_set_text(pwd_label, "Password:");
lv_obj_align_to(pwd_label, pwd_ta, LV_ALIGN_OUT_TOP_LEFT, 0, 0);
/*Create the one-line mode text area*/
lv_obj_t * text_ta = lv_textarea_create(lv_scr_act());
lv_textarea_set_one_line(text_ta, true);
lv_textarea_set_password_mode(text_ta, false);
lv_obj_set_width(text_ta, lv_pct(40));
lv_obj_add_event_cb(text_ta, ta_event_cb, LV_EVENT_ALL, NULL);
lv_obj_align(text_ta, LV_ALIGN_TOP_RIGHT, -5, 20);
/*Create a label and position it above the text box*/
lv_obj_t * oneline_label = lv_label_create(lv_scr_act());
lv_label_set_text(oneline_label, "Text:");
lv_obj_align_to(oneline_label, text_ta, LV_ALIGN_OUT_TOP_LEFT, 0, 0);
/*Create a keyboard*/
kb = lv_keyboard_create(lv_scr_act());
lv_obj_set_size(kb, LV_HOR_RES, LV_VER_RES / 2);
lv_keyboard_set_textarea(kb, pwd_ta); /*Focus it on one of the text areas to start*/
}
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);
if(code == LV_EVENT_CLICKED || code == LV_EVENT_FOCUSED) {
/*Focus on the clicked text area*/
if(kb != NULL) lv_keyboard_set_textarea(kb, ta);
}
else if(code == LV_EVENT_READY) {
LV_LOG_USER("Ready, current text: %s", lv_textarea_get_text(ta));
}
}
#endif