C

Base obejcts with custom styles

code

#include "lvgl/lvgl.h"

void lv_ex_obj_1(void)
{
    lv_obj_t * obj1;
    obj1 = lv_obj_create(lv_scr_act(), NULL);
    lv_obj_set_size(obj1, 100, 50);
    lv_obj_set_style(obj1, &lv_style_plain_color);
    lv_obj_align(obj1, NULL, LV_ALIGN_CENTER, -60, -30);

    /*Copy the previous object and enable drag*/
    lv_obj_t * obj2;
    obj2 = lv_obj_create(lv_scr_act(), obj1);
    lv_obj_set_style(obj2, &lv_style_pretty_color);
    lv_obj_align(obj2, NULL, LV_ALIGN_CENTER, 0, 0);
    lv_obj_set_drag(obj2, true);

    static lv_style_t style_shadow;
    lv_style_copy(&style_shadow, &lv_style_pretty);
    style_shadow.body.shadow.width = 6;
    style_shadow.body.radius = LV_RADIUS_CIRCLE;

    /*Copy the previous object (drag is already enabled)*/
    lv_obj_t * obj3;
    obj3 = lv_obj_create(lv_scr_act(), obj2);
    lv_obj_set_style(obj3, &style_shadow);
    lv_obj_align(obj3, NULL, LV_ALIGN_CENTER, 60, 30);
}

MicroPython

Base obejcts with custom styles

code

obj1 = lv.obj(lv.scr_act())
obj1.set_size(100, 50)
obj1.set_style(lv.style_plain_color)
obj1.align(None, lv.ALIGN.CENTER, -60, -30)

# Copy the previous object and enable drag
obj2 = lv.obj(lv.scr_act(), obj1)
obj2.set_style(lv.style_pretty_color)
obj2.align(None, lv.ALIGN.CENTER, 0, 0)
obj2.set_drag(True)

style_shadow = lv.style_t()
lv.style_copy(style_shadow, lv.style_pretty)
style_shadow.body.shadow.width = 6
style_shadow.body.radius = 800 # large enough to make it round

# Copy the previous object (drag is already enabled)
obj3 = lv.obj(lv.scr_act(), obj2)
obj3.set_style(style_shadow)
obj3.align(None, lv.ALIGN.CENTER, 60, 30)