C

Simple Image button

Image button example in LittlevGL

code

#include "lvgl/lvgl.h"

void lv_ex_imgbtn_1(void)
{
    static lv_style_t style_pr;
    lv_style_copy(&style_pr, &lv_style_plain);
    style_pr.image.color = LV_COLOR_BLACK;
    style_pr.image.intense = LV_OPA_50;
    style_pr.text.color = lv_color_hex3(0xaaa);

    LV_IMG_DECLARE(imgbtn_green);
    LV_IMG_DECLARE(imgbtn_blue);

    /*Create an Image button*/
    lv_obj_t * imgbtn1 = lv_imgbtn_create(lv_scr_act(), NULL);
    lv_imgbtn_set_src(imgbtn1, LV_BTN_STATE_REL, &imgbtn_green);
    lv_imgbtn_set_src(imgbtn1, LV_BTN_STATE_PR, &imgbtn_green);
    lv_imgbtn_set_src(imgbtn1, LV_BTN_STATE_TGL_REL, &imgbtn_blue);
    lv_imgbtn_set_src(imgbtn1, LV_BTN_STATE_TGL_PR, &imgbtn_blue);
    lv_imgbtn_set_style(imgbtn1, LV_BTN_STATE_PR, &style_pr);        /*Use the darker style in the pressed state*/
    lv_imgbtn_set_style(imgbtn1, LV_BTN_STATE_TGL_PR, &style_pr);
    lv_imgbtn_set_toggle(imgbtn1, true);
    lv_obj_align(imgbtn1, NULL, LV_ALIGN_CENTER, 0, -40);

    /*Create a label on the Image button*/
    lv_obj_t * label = lv_label_create(imgbtn1, NULL);
    lv_label_set_text(label, "Button");
}

MicroPython

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