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#include "lvgl/lvgl.h"

typedef enum {
    STATE_IDLE,
    STATE_PRESSED,
    STATE_RELEASED
} SliderState;

static SliderState state = STATE_IDLE;

static void slider_event_cb(lv_event_t *e) {
    lv_event_code_t code = lv_event_get_code(e);
    lv_obj_t *slider = lv_event_get_target(e);

    switch (state) {
        case STATE_IDLE:
            if (code == LV_EVENT_PRESSED) {
                state = STATE_PRESSED;
                LV_LOG_USER("Slider pressed");
            }
            break;
        case STATE_PRESSED:
            if (code == LV_EVENT_RELEASED) {
                state = STATE_RELEASED;
                LV_LOG_USER("Slider released");
            }
            break;
        case STATE_RELEASED:
            // if (code == LV_EVENT_PRESS_LOST || code == LV_EVENT_LEAVE) {
                state = STATE_IDLE;
            // }
            break;
    }

    if (code == LV_EVENT_VALUE_CHANGED) {
        // 处理值变化事件
        LV_LOG_USER("Slider value changed: %d", lv_slider_get_value(slider));
    }
}