About the cursor blinking

jaeil · July 18, 2019, 9:26am

The display refresh occurs even if the cursor object is hidden by hidden. Is this the right behavior?
Is there a way I can not let refresh happen?

kisvegabor · July 19, 2019, 6:24am

Do you use v5.3 or v6.0.
In v6.0 it should be prevented here:

github.com

littlevgl/lvgl/blob/d1bc187ec6675f8512392ced2e6016a83fb73151/src/lv_objx/lv_ta.c#L1484-L1500


static void cursor_blink_anim(lv_obj_t * ta, lv_anim_value_t show)
{
    lv_ta_ext_t * ext = lv_obj_get_ext_attr(ta);
    if(show != ext->cursor.state) {
        ext->cursor.state = show == 0 ? 0 : 1;
        if(ext->cursor.type != LV_CURSOR_NONE && (ext->cursor.type & LV_CURSOR_HIDDEN) == 0) {
            lv_disp_t * disp = lv_obj_get_disp(ta);
            lv_area_t area_tmp;
            lv_area_copy(&area_tmp, &ext->cursor.area);
            area_tmp.x1 += ext->label->coords.x1;
            area_tmp.y1 += ext->label->coords.y1;
            area_tmp.x2 += ext->label->coords.x1;
            area_tmp.y2 += ext->label->coords.y1;
            lv_inv_area(disp, &area_tmp);
        }
    }
}

jaeil · July 19, 2019, 10:21am

Thank you ~