HW_Lib/demo/lvgl/test.c

#include "stdio.h"
#include "lv_port_disp.h"
#include "lv_port_indev.h"
#include "lvgl.h"
#include "demos/lv_demos.h"
#include <windows.h>
//#include <widgets/lv_demo_widgets.h>
#include "t_lvgl.h"
#include "SDL3/SDL.h"

static void btn_event_cb(lv_event_t *e) {
    lv_event_code_t code = lv_event_get_code(e);
    lv_obj_t *btn = lv_event_get_target(e);
    if (code == LV_EVENT_CLICKED) {
        static uint8_t cnt = 0;
        cnt++;

        /*Get the first child of the button which is the label and change its text*/
        lv_obj_t *label = lv_obj_get_child(btn, 0);
        lv_label_set_text_fmt(label, "Button: %d", cnt);
    }
}

/**
 * Create a button with a label and react on click event.
 */
void lv_example_get_started_1(void) {
    lv_obj_t *btn = lv_btn_create(lv_scr_act());     /*Add a button the current screen*/
    lv_obj_set_pos(btn, 10, 10);                            /*Set its position*/
    lv_obj_set_size(btn, 120, 50);                          /*Set its size*/
    lv_obj_add_event_cb(btn, btn_event_cb, LV_EVENT_ALL, NULL);           /*Assign a callback to the button*/

    lv_obj_t *label = lv_label_create(btn);          /*Add a label to the button*/
    lv_label_set_text(label, "Button");                     /*Set the labels text*/
    lv_obj_center(label);
}

int Test_lvgl(void *pVoid) {
    lv_init();
    lv_port_disp_init();
//    lv_port_indev_init();

//    lv_example_get_started_1();
    // lv_demo_widgets();
//    printf("\nTEST Widgets\n");

    while (1) {
        /* Periodically call the lv_task handler.
         * It could be done in a timer interrupt or an OS task too.*/
        lv_timer_handler();
        lv_tick_inc(5);
        SDL_Delay(5);
    }
    return 0;
}