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lvgl/examples/widgets/textarea/lv_example_textarea_2.c

59 lines
1.9 KiB
C

#include "../../../lvgl.h"
#if LV_USE_TEXTAREA && LV_USE_KEYBOARD && LV_BUILD_EXAMPLES
static void ta_event_cb(lv_obj_t * ta, lv_event_t event);
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(), NULL);
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_HOR_RES / 2 - 20);
lv_obj_set_pos(pwd_ta, 5, 20);
lv_obj_add_event_cb(pwd_ta, ta_event_cb, NULL);
/*Create a label and position it above the text box*/
lv_obj_t * pwd_label = lv_label_create(lv_scr_act(), NULL);
lv_label_set_text(pwd_label, "Password:");
lv_obj_align(pwd_label, pwd_ta, LV_ALIGN_OUT_TOP_LEFT, 0, 0);
/*Create the one-line mode text area*/
lv_obj_t * oneline_ta = lv_textarea_create(lv_scr_act(), pwd_ta);
lv_textarea_set_password_mode(oneline_ta, false);
lv_obj_align(oneline_ta, NULL, LV_ALIGN_IN_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(), NULL);
lv_label_set_text(oneline_label, "Text:");
lv_obj_align(oneline_label, oneline_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_obj_t * ta, lv_event_t event)
{
if(event == LV_EVENT_CLICKED) {
/*Focus on the clicked text area*/
if(kb != NULL)
lv_keyboard_set_textarea(kb, ta);
}
else if(event == LV_EVENT_INSERT) {
const char * str = lv_event_get_param();
if(str[0] == '\n') {
LV_LOG_USER("Ready\n");
}
}
}
#endif