#include "lvgl.h"
#include "img_def.h"
#include "demo.h"
#include "mxc_meter.h"
#include "moto_list.h"
#include "language_table.h"
#include "lan_str_table.h"
#include "equipment.h"

//#define LV_KEY_Q  	113
//#define LV_KEY_W  	119

char *list_title[16] = {"主题","亮度","蓝牙","其他\n设置","车辆\n信息","返回","1","2","3","4","5","6","7","8","9","10","11","12"};
char *theme_title[16] = {"主题\n设置","主题\n背景","返回","1","2","3","4","5","6","7","8","9","10","11","12"};


__attribute__((section("resource_section"))) static const lv_mainmenu_win_t mainmenu_page_group[MAINMENU_ITEM_ID_MAX] =
    {
        {MAINMENU_ITEM_ID_THEME,        STR_ID_THEME,           MAINMENU_ICON_ID_THEME,         (void *)theme_create},
        {MAINMENU_ITEM_ID_LIGHT,        STR_ID_LIGHT,           MAINMENU_ICON_ID_LIGHT,         (void *)light_create},
        {MAINMENU_ITEM_ID_BLUETOOTH,    STR_ID_BLUETOOTH,       MAINMENU_ICON_ID_BLUETOOTH,     (void *)bluetooth_create},
        {MAINMENU_ITEM_ID_OTHER,        STR_ID_OTHER_SETTING,   MAINMENU_ICON_ID_OTHER,         (void *)other_create},
        {MAINMENU_ITEM_ID_INFORMATION,  STR_ID_INFORMATION,     MAINMENU_ICON_ID_INFORMATION,   (void *)information_create},
        {MAINMENU_ITEM_ID_PRESSURE,     STR_ID_PRESSURE,        MAINMENU_ICON_ID_PRESSURE,      (void *)pressure_create},
        {MAINMENU_ITEM_ID_FAULT_CODE,   STR_ID_FAULT_CODE,      MAINMENU_ICON_ID_FAULT_CODE,    (void *)fault_code_create},
        {EQUIPMENT_ID_RETURN,           STR_ID_RETURN,          MAINMENU_ICON_ID_RETURN,        (void *)demo_return},
};

const btn_event_func getDeviceEntryByStrId(const LAN_STR_ID str_id)
{
    btn_event_func p_btn_func = NULL;
    for (uint8_t i = MAINMENU_ITEM_ID_THEME; i < MAINMENU_ITEM_ID_MAX; i++)
    {
//        printf("mainmenu_page_group[i].str_id = %d ,str_id = %d  ",mainmenu_page_group[i].str_id,str_id);
        if (mainmenu_page_group[i].str_id == str_id)
        {
            p_btn_func = mainmenu_page_group[i].event_handler;
            break;
        }
    }
    if (p_btn_func != NULL)
    {
        p_btn_func(NULL);
    }
    else
    {
        LV_ASSERT(true);
    }
    return NULL;
}

ENUM_EQUIPMENT_ID get_menu_iconid_by_strid(const LAN_STR_ID str_id)
{
    for (uint8_t i = EQUIPMENT_ID_THEME; i < EQUIPMENT_ID_MAX; i++)
    {
        if (mainmenu_page_group[i].str_id == str_id)
            return mainmenu_page_group[i].mainmenu_icon_id;
    }
    return EQUIPMENT_ID_MAX;
}

LAN_STR_ID list_str[16] = {
    STR_ID_THEME,
    STR_ID_LIGHT,
    STR_ID_BLUETOOTH,
    STR_ID_OTHER_SETTING,
    STR_ID_INFORMATION,
    STR_ID_PRESSURE,
    STR_ID_FAULT_CODE,
    STR_ID_RETURN,
    STR_ID_RETURN,
    STR_ID_RETURN,
    STR_ID_RETURN,
    STR_ID_RETURN,
    STR_ID_RETURN,
    STR_ID_RETURN,
    STR_ID_RETURN,
    STR_ID_RETURN,
    STR_ID_RETURN,
};

//lan_str_table[STR_ID_FOCUS_BREATHING][1]

mainmenu_tile_t mainmenu_tile[]=
{
        [MAINMENU_TILE_ZERO] = {.window_obj = NULL, .col_id = 0, .row_id = 0, .dir = LV_DIR_HOR, .Init = init_tile_common}, // �����˵�
        [MAINMENU_TILE_ONE] = {.window_obj = NULL, .col_id = 1, .row_id = 0, .dir = LV_DIR_HOR, .Init = init_tile_common},
        [MAINMENU_TILE_TWO] = {.window_obj = NULL, .col_id = 2, .row_id = 0, .dir = LV_DIR_HOR, .Init = init_tile_common},
};

/*
LV_ATTRIBUTE_LARGE_CONST static const lv_img_dsc_t* test_list[4] =
{
    IMG_DM1_OIL,
    IMG_DM1_TCS,
    IMG_DM1_TEMP,
    IMG_DM1_NULL,
};
*/

uint32_t mainmenu_item_process(uint32_t dis_item_arr[MAINMENU_TILE_END][COMMON_PER_PAGE_NUM],
                           uint32_t *page_num, uint32_t *last_item_pos)
{
    uint32_t mainmenu_item_sum = 0;

    // calculate how many devices need display
    for (uint8_t i = EQUIPMENT_ID_THEME; i < EQUIPMENT_ID_MAX; i++)
    {
        if (get_equipment_is_display(i))
            mainmenu_item_sum++;
    }
    //mainmenu_item_sum++; // add device manage item

    // calculate page_num according to mainmenu_item_sum
    *page_num = mainmenu_item_sum / COMMON_PER_PAGE_NUM;
    if (mainmenu_item_sum % COMMON_PER_PAGE_NUM != 0)
        (*page_num)++;

    // Store the device str_id to be displayed into an array in order
    *last_item_pos = mainmenu_item_sum % COMMON_PER_PAGE_NUM;

    get_display_equipment_str(dis_item_arr);

    *last_item_pos == 0 ? (dis_item_arr[(*page_num) - 1][COMMON_PER_PAGE_NUM - 1] = STR_ID_RETURN) : (dis_item_arr[(*page_num) - 1][(*last_item_pos) - 1] = STR_ID_RETURN);
    return mainmenu_item_sum;
}

void enter_mainmenu_win(lv_obj_t *parent)
{
    lv_obj_t *mainmenu_win = lv_obj_create(parent);
    lv_obj_set_style_bg_color(mainmenu_win, lv_color_make(0x00, 0x00, 0x00), 0);
    lv_obj_set_scrollbar_mode(mainmenu_win, LV_SCROLLBAR_MODE_OFF);
    lv_obj_set_size(mainmenu_win, LV_PCT(100), LV_PCT(100));
    lv_obj_set_style_pad_all(mainmenu_win, 0, 0);
    lv_obj_set_style_radius(mainmenu_win, 0, 0);
    lv_obj_set_style_border_width(mainmenu_win, 0, LV_PART_MAIN);
//    lv_obj_set_style_border_color(mainmenu_win, lv_color_black(), 0);
    lv_obj_set_style_bg_color(mainmenu_win, lv_color_hex(0x5E5E5E), NULL);
    lv_obj_clear_flag(mainmenu_win, LV_OBJ_FLAG_SCROLLABLE);

    lv_obj_t *demo_group = get_key_group();
    lv_group_add_obj(demo_group, mainmenu_win);

    lv_obj_t *mainmenu_tile_win = lv_tileview_create(mainmenu_win);
    lv_obj_set_style_bg_color(mainmenu_tile_win, lv_color_black(), 0);
    lv_obj_clear_flag(mainmenu_tile_win, LV_OBJ_FLAG_SCROLLABLE);
    lv_obj_clear_flag(mainmenu_tile_win, LV_OBJ_FLAG_EVENT_BUBBLE);
    lv_obj_set_scrollbar_mode(mainmenu_tile_win, LV_SCROLLBAR_MODE_OFF);
    lv_obj_set_scroll_dir(mainmenu_tile_win, LV_DIR_HOR);
    lv_obj_clear_flag(mainmenu_tile_win, LV_OBJ_FLAG_SCROLL_ELASTIC);
    lv_obj_add_flag(mainmenu_tile_win, LV_OBJ_FLAG_SCROLL_MOMENTUM);
    lv_obj_add_flag(mainmenu_tile_win, LV_OBJ_FLAG_SCROLL_ONE);
    lv_obj_set_size(mainmenu_tile_win, LV_PCT(100), LV_PCT(100));
    lv_obj_set_style_radius(mainmenu_tile_win, 0, 0);
    lv_obj_set_style_pad_all(mainmenu_tile_win, 0, 0);
    lv_obj_set_style_border_width(mainmenu_tile_win, 0, LV_PART_MAIN);
//    lv_obj_set_style_border_color(mainmenu_tile_win, lv_color_black(), 0);
    lv_obj_set_style_bg_color(mainmenu_tile_win, lv_color_hex(0x5E5E5E), NULL);

    uint32_t page_num = 3;                          // sum of mainmenu pages
    uint32_t tile_item_count = 3;                   // number of items per page
    uint32_t last_item_pos = 0;
    uint8_t cal_check_page = 0;
//    uint8_t cal_check_item = 0;

    uint32_t dis_item_arr[MAINMENU_TILE_END][COMMON_PER_PAGE_NUM];
    memset(dis_item_arr, 0, sizeof(dis_item_arr));

    uint32_t btn_totalnum = mainmenu_item_process(dis_item_arr, &page_num, &last_item_pos);
    printf("btn_totalnum = %d .\n",btn_totalnum);
    printf("page_num = %d last_num = %d .\n",page_num,last_item_pos);
    // Loop create tile
    for (uint8_t i = MAINMENU_TILE_ZERO; i < page_num; i++)
    {
        // calculate number of items on the last page
        if ((i == page_num - 1) && (last_item_pos))
            tile_item_count = last_item_pos;

        // add tile
        mainmenu_tile[i].window_obj = lv_tileview_add_tile(mainmenu_tile_win, mainmenu_tile[i].col_id, mainmenu_tile[i].row_id, mainmenu_tile[i].dir);

        if (i == cal_check_page)
            ((mainmenu_tile_t *)&mainmenu_tile[i])->Init(mainmenu_tile[i].window_obj, dis_item_arr[i], i, tile_item_count);
        else
            ((mainmenu_tile_t *)&mainmenu_tile[i])->Init(mainmenu_tile[i].window_obj, dis_item_arr[i], i, tile_item_count);

    }

    lv_obj_set_tile_id(mainmenu_tile_win, mainmenu_tile[cal_check_page].col_id, mainmenu_tile[cal_check_page].row_id, LV_ANIM_ON);
    lv_obj_add_event_cb(mainmenu_win, key_event_handler, LV_EVENT_KEY, NULL);

    uint32_t btn_count = 0;
    uint32_t page_count = 0;
    lv_obj_t *tile_display = NULL;
    lv_obj_t *mainmenu_btn_win = lv_tileview_get_tile_act(mainmenu_tile_win); // get display tile
    for (uint32_t i = 0; i < lv_obj_get_child_cnt(mainmenu_btn_win); i++)
        {
            lv_obj_t *child = lv_obj_get_child(mainmenu_btn_win, i);
            if (lv_obj_has_state(child, LV_STATE_FOCUS_KEY))
                btn_count = i;
        }

    lv_obj_t *mainmenu_button_cur = lv_obj_get_child(mainmenu_btn_win, btn_count); // get checked item obj

    switch(Get_UI_page_id()){
        case 0:
        case 1:
        case 2:
        case 3:
        case 4:
        break;
        case 5:
        case 6:
        case 7:
        //page_count = (uint32_t)lv_obj_get_child_id(mainmenu_btn_win); // get display tile index
        //printf("page_count === %d .\r\n",page_count );
        page_count=1;
        printf("tile_page >> page_count === %d .\r\n",page_count );
        tile_display = lv_obj_get_child(mainmenu_tile_win, page_count);
        lv_obj_set_tile(mainmenu_tile_win, tile_display, LV_ANIM_ON);
        break;
        case 8:
        case 9:
        case 10:
        //page_count = (uint32_t)lv_obj_get_child_id(mainmenu_btn_win); // get display tile index
        page_count=2;
        printf("tile_page >> page_count === %d .\r\n",page_count );
        tile_display = lv_obj_get_child(mainmenu_tile_win, page_count);
        lv_obj_set_tile(mainmenu_tile_win, tile_display, LV_ANIM_ON);
        break;
        default:
        break;
    }

    app_menu_comm_entry(mainmenu_win,PAGE_MAINMENU_WIN_ID,false);
}

static void key_event_handler(lv_event_t *e)
{
    lv_event_code_t code = lv_event_get_code(e);

    lv_obj_t *mainmenu_win = lv_event_get_target(e);
    lv_obj_t *mainmenu_tile_win = lv_obj_get_child(mainmenu_win, 0);
    lv_obj_t *mainmenu_btn_win = lv_tileview_get_tile_act(mainmenu_tile_win); // get display tile
    lv_obj_t *img_side = lv_obj_get_child(mainmenu_win, 1);

    if (code == LV_EVENT_KEY)
    {

        uint32_t *key = lv_event_get_param(e);
        uint8_t key_code = (uint8_t)*key;

        uint32_t page_count = 0;    // display tile index
        uint32_t btn_count = 0;     // checked item index
        uint32_t page_num = 0;      // sum of mainmenu pages
        uint32_t last_item_pos = 0; // last item index of his page
        uint32_t dis_item_arr[MAINMENU_TILE_END][COMMON_PER_PAGE_NUM];
        memset(dis_item_arr, 0, sizeof(dis_item_arr));
        uint32_t btn_totalnum = mainmenu_item_process(dis_item_arr, &page_num, &last_item_pos);

        bool check = false;
//        MAINMENU_ICON_ID_ENUM menu_id = MAINMENU_ICON_ID_MAX;
//        ENUM_MAINMENU_ITEM_ID item_id = MAINMENU_ITEM_ID_MAX;
//        uint8_t curItemState = 0;

        // get focus item index
        for (uint32_t i = 0; i < lv_obj_get_child_cnt(mainmenu_btn_win); i++)
        {
            lv_obj_t *child = lv_obj_get_child(mainmenu_btn_win, i);
            if (lv_obj_has_state(child, LV_STATE_FOCUS_KEY))
                btn_count = i;
        }

        lv_obj_t *mainmenu_button_cur = lv_obj_get_child(mainmenu_btn_win, btn_count); // get checked item obj

        page_count = (uint32_t)lv_obj_get_child_id(mainmenu_btn_win); // get display tile index
        check = lv_obj_get_child_cnt(mainmenu_btn_win) > 1 ? true : false;

        switch (key_code)
        {
        case LV_KEY_Q:
            lv_obj_clear_state(mainmenu_button_cur, LV_STATE_FOCUS_KEY);
            if(btn_totalnum ==btn_count+1+page_count*3){//最后一个按钮
                printf("2---------count = %d.\n",btn_count+1+page_count*3);
                page_count =0;
                btn_count =0;
                lv_obj_t *tile_display = lv_obj_get_child(mainmenu_tile_win, page_count);
                lv_obj_set_tile(mainmenu_tile_win, tile_display, LV_ANIM_ON);
                mainmenu_btn_win = lv_tileview_get_tile_act(mainmenu_tile_win);
                lv_obj_t *mainmenu_next_button = lv_obj_get_child(mainmenu_btn_win, btn_count);
                lv_obj_add_state(mainmenu_next_button, LV_STATE_FOCUS_KEY);
                printf("LV_KEY_Q page_count = %d ,btn_count = %d\n",page_count,btn_count);
                break;
            }

            if(btn_count==2)
            {
                btn_count =0;
                page_count++;
                lv_obj_t *tile_display = lv_obj_get_child(mainmenu_tile_win, page_count);
                lv_obj_set_tile(mainmenu_tile_win, tile_display, LV_ANIM_ON);
            }
            else
                btn_count++;
            mainmenu_btn_win = lv_tileview_get_tile_act(mainmenu_tile_win);
            lv_obj_t *mainmenu_next_button = lv_obj_get_child(mainmenu_btn_win, btn_count);
            lv_obj_add_state(mainmenu_next_button, LV_STATE_FOCUS_KEY);
            printf("LV_KEY_Q page_count = %d ,btn_count = %d\n",page_count,btn_count);
            break;
        case LV_KEY_W:
            printf("LV_KEY_W page_count = %d ,btn_count = %d,",page_count,btn_count);
            printf("count = %d.\n",btn_count+1+page_count*3);
//             ENUM_MAINMENU_ITEM_ID item_id = get_mainmenu_item_id_by_strid(dis_item_arr[page_count][btn_count]);
//            Set_check_menu_item(item_id);

            close_all_win();
            SubmenuBtnEnter(get_root_win(), page_count, btn_count);
        break;

        default:
//            printf("other key:%d\r\n", key_code);
            break;
        }

    }
}

void init_tile_common(lv_obj_t *mainmenu_btn_win, uint32_t str_arr[], uint8_t page_num, uint8_t cur_tile_item)
{

    printf("page_num = %d, cur_tile_item = %d\n",page_num,cur_tile_item);
    lv_obj_t *mainmenu_tile_win = lv_obj_get_parent(mainmenu_btn_win);
    lv_obj_t *mainmenu_win = lv_obj_get_parent(mainmenu_tile_win);
    lv_obj_t *img_side = lv_obj_get_child(mainmenu_win, 1);

    uint32_t x1 = 0, y1 = 0, x2 = 0, y2 = 0;

    uint32_t page_id = lv_obj_get_child_id(mainmenu_btn_win);

    lv_obj_set_style_pad_all(mainmenu_btn_win, 0, 0);
    lv_obj_set_style_opa(mainmenu_btn_win, LV_OPA_100, 0);
    lv_obj_set_scrollbar_mode(mainmenu_btn_win, LV_SCROLLBAR_MODE_ACTIVE);
    lv_obj_clear_flag(mainmenu_btn_win, LV_OBJ_FLAG_SCROLL_ELASTIC);
    lv_obj_set_size(mainmenu_btn_win, LV_PCT(100), LV_PCT(100));
    lv_obj_set_style_radius(mainmenu_btn_win, 0, 0);
    lv_obj_set_style_bg_color(mainmenu_btn_win, lv_color_hex(0x7000BB), 0);

    for (uint8_t i = 0; i < cur_tile_item; i++)
    {
        lv_obj_t *imgbtn = lv_btn_create(mainmenu_btn_win);
        lv_obj_set_style_bg_opa(imgbtn, LV_OPA_0, 0);
        uint32_t child_id = lv_obj_get_child_id(imgbtn);

        switch (child_id)
        {
        case 0:
            x1 = ICON_IMG_1_X;
            x2 = ICON_RING_1_X;
            break;
        case 1:
            x1 = ICON_IMG_2_X;
            x2 = ICON_RING_2_X;
            break;
        default:
            x1 = ICON_IMG_3_X;
            x2 = ICON_RING_3_X;
            break;
        }
        y1 = ICON_IMG_Y;
        lv_obj_set_size(imgbtn, MAINMENU_ICON_WIDTH_UNCHECK, MAINMENU_ICON_HEIGHT_UNCHECK);
        lv_obj_set_pos(imgbtn, x1, y1);

        LAN_STR_ID str_id = (LAN_STR_ID)str_arr[i];
        ENUM_EQUIPMENT_ID cur_menu_id = get_menu_iconid_by_strid(str_id);
        if (cur_menu_id == MAINMENU_ICON_ID_MAX)
            continue;

        switch(Get_UI_page_id()){
            case 0://demo
            case 1://list
            case 2://theme
                if(page_id == 0 && i==0){
                    lv_obj_add_state(imgbtn, LV_STATE_FOCUS_KEY);
                }
            break;
            case 3://
                if(page_id == 0 && i==1){
                    lv_obj_add_state(imgbtn, LV_STATE_FOCUS_KEY);
                }
            break;
            case 4:
                if(page_id == 0 && i==2){
                    lv_obj_add_state(imgbtn, LV_STATE_FOCUS_KEY);
                }
            break;
            case 5:
                if(page_id == 1 && i==0){

                    lv_obj_add_state(imgbtn, LV_STATE_FOCUS_KEY);
                }
            break;
            case 6:
                if(page_id == 1 && i==1){
                    lv_obj_add_state(imgbtn, LV_STATE_FOCUS_KEY);
                }
            break;
            case 7:
                if(page_id == 1 && i==2){
                    lv_obj_add_state(imgbtn, LV_STATE_FOCUS_KEY);
                }
            break;
            case 8:
                if(page_id == 2 && i==0){
                    lv_obj_add_state(imgbtn, LV_STATE_FOCUS_KEY);
                }
            break;
            case 9:
                if(page_id == 2 && i==1){
                    lv_obj_add_state(imgbtn, LV_STATE_FOCUS_KEY);
                }
            break;
            case 10:
                if(page_id == 2 && i==2){
                    lv_obj_add_state(imgbtn, LV_STATE_FOCUS_KEY);
                }
            break;
            default:
                if(page_id == 0 && i==0){
                    lv_obj_add_state(imgbtn, LV_STATE_FOCUS_KEY);
                }
            break;

        }


        lv_obj_t * label = lv_label_create(imgbtn);
        const LAN_STR_ID Str_id = get_equipment_is_str(cur_menu_id);
        lv_label_set_text_fmt(label, "%s",lan_str_table[Str_id][Get_sys_language()]);
        lv_obj_center(label);

    }

    lv_obj_clear_flag(mainmenu_btn_win, LV_OBJ_FLAG_SCROLL_ELASTIC);
    lv_obj_clear_flag(mainmenu_btn_win, LV_OBJ_FLAG_GESTURE_BUBBLE);

}

ENUM_MAINMENU_ITEM_ID Get_menu_btn_item(uint32_t btn_count)
{

    switch(btn_count)
    {
    case 0:

        break;
    case 1:

        break;
    case 2:

        break;
    default:
        break;
    }
    return MAINMENU_ITEM_ID_MAX;

}

ENUM_MAINMENU_ITEM_ID Get_menu_item(uint32_t page_count ,uint32_t btn_count)
{

    switch(page_count)
    {
    case 0:

        break;
    case 1:

        break;
    case 2:

        break;
    default:
        break;
    }
    return MAINMENU_ITEM_ID_MAX;

}

void SubmenuBtnEnter(lv_obj_t * scr_parent_main , uint32_t page_count ,uint32_t btn_count)
{
    uint8_t mainmenu_item_sum = 0;
    uint8_t page_num = 0;
    uint8_t tile_item_count = COMMON_PER_PAGE_NUM;

    lv_obj_t *submenu_win = lv_obj_create(scr_parent_main);
    lv_obj_set_scrollbar_mode(submenu_win, LV_SCROLLBAR_MODE_OFF);
    lv_obj_set_size(submenu_win, LV_PCT(100), LV_PCT(100));
    lv_obj_set_style_pad_all(submenu_win, 0, 0);
    lv_obj_set_style_radius(submenu_win, 0, 0);
    lv_obj_set_style_border_width(submenu_win, 0, LV_PART_MAIN);
    lv_obj_set_style_border_color(submenu_win, lv_color_black(), 0);
    lv_obj_clear_flag(submenu_win, LV_OBJ_FLAG_SCROLLABLE);

//    ENUM_MAINMENU_ITEM_ID page_type = Get_menu_item(page_count,btn_count);
//    printf("SubmenuBtnEnter ====== page_count = %d ,btn_count = %d .page_type = %d\n",page_count,btn_count,page_type);
//
//     uint32_t last_item_pos = mainmenu_item_sum % COMMON_PER_PAGE_NUM;
    uint32_t dis_item_arr[MAINMENU_TILE_END][COMMON_PER_PAGE_NUM];
    memset(dis_item_arr, 0, sizeof(dis_item_arr));
    get_display_equipment_str(dis_item_arr);
//    last_item_pos == 0 ? \
//        (dis_item_arr[page_num-1][COMMON_PER_PAGE_NUM-1]=STR_ID_DEVICE_MANAGE) : \
//        (dis_item_arr[page_num-1][last_item_pos-1]=STR_ID_DEVICE_MANAGE);
    getDeviceEntryByStrId(dis_item_arr[page_count][btn_count]);
//    printf("dis_item_arr = %d \n",dis_item_arr[page_count][btn_count]);

}

/**************************************************************************************/
static void scroll_begin_event(lv_event_t * e)
{
    /*Disable the scroll animations. Triggered when a tab button is clicked */
    if(lv_event_get_code(e) == LV_EVENT_SCROLL_BEGIN) {
        lv_anim_t * a = lv_event_get_param(e);
        if(a)  a->time = 0;
    }
}

static void scroll_event_cb(lv_event_t * e)
{
    lv_obj_t * cont = lv_event_get_target(e);

    lv_area_t cont_a;
    lv_obj_get_coords(cont, &cont_a);
    lv_coord_t cont_y_center = cont_a.y1 + lv_area_get_height(&cont_a) / 2;

    lv_coord_t r = lv_obj_get_height(cont) * 7 / 10;
    uint32_t i;
    uint32_t child_cnt = lv_obj_get_child_cnt(cont);
    for(i = 0; i < child_cnt; i++) {
        lv_obj_t * child = lv_obj_get_child(cont, i);
        lv_area_t child_a;
        lv_obj_get_coords(child, &child_a);

        lv_coord_t child_y_center = child_a.y1 + lv_area_get_height(&child_a) / 2;

        lv_coord_t diff_y = child_y_center - cont_y_center;
        diff_y = LV_ABS(diff_y);

        /*Get the x of diff_y on a circle.*/
        lv_coord_t x;
        /*If diff_y is out of the circle use the last point of the circle (the radius)*/
        if(diff_y >= r) {
            x = r;
        } else {
            /*Use Pythagoras theorem to get x from radius and y*/
            uint32_t x_sqr = r * r - diff_y * diff_y;
            lv_sqrt_res_t res;
            lv_sqrt(x_sqr, &res, 0x8000);   /*Use lvgl's built in sqrt root function*/
            x = r - res.i;
        }

        /*Translate the item by the calculated X coordinate*/
        lv_obj_set_style_translate_x(child, x, 0);

        /*Use some opacity with larger translations*/
        lv_opa_t opa = lv_map(x, 0, r, LV_OPA_TRANSP, LV_OPA_COVER);
        lv_obj_set_style_opa(child, LV_OPA_COVER - opa, 0);
    }
}

void test(lv_obj_t* parent)
{


    lv_obj_t *mainmenu_win = lv_obj_create(parent);
    lv_obj_set_style_bg_color(mainmenu_win, lv_color_make(0x00, 0x00, 0x00), 0);
    lv_obj_set_scrollbar_mode(mainmenu_win, LV_SCROLLBAR_MODE_OFF);
    lv_obj_set_size(mainmenu_win, LV_PCT(100), LV_PCT(100));
    lv_obj_set_style_pad_all(mainmenu_win, 0, 0);
    lv_obj_set_style_radius(mainmenu_win, 0, 0);
    lv_obj_set_style_border_width(mainmenu_win, 0, LV_PART_MAIN);
    lv_obj_set_style_border_color(mainmenu_win, lv_color_black(), 0);
    lv_obj_clear_flag(mainmenu_win, LV_OBJ_FLAG_SCROLLABLE);

    // lv_obj_t *mainmenu_win = NULL;
    // gui_create_new_window(mainmenu_win);
    Set_UI_page_id(PAGE_MAINMENU_WIN_ID);
//    app_menu_comm_entry(mainmenu_win,PAGE_MAINMENU_WIN_ID,false);
//    #if !MMI_WIN32_SIM
//    lv_group_t *g = lv_get_keypad_group();
//    lv_group_remove_all_objs(g);
//	lv_group_add_obj(g, mainmenu_win);
//    #endif

    uint8_t style_num =1;
    lv_obj_t * cont = NULL;
    lv_obj_t * cont_parent = NULL;
    uint8_t i =0;
    static lv_style_t style;
    lv_obj_t *tabview;


    switch(style_num)
    {
        case 0:

            /*Create a Tab view object*/

            tabview = lv_tabview_create(lv_scr_act(), LV_DIR_LEFT, 100);
            lv_obj_add_event_cb(lv_tabview_get_content(tabview), scroll_begin_event, LV_EVENT_SCROLL_BEGIN, NULL);

            lv_obj_set_style_bg_color(tabview, lv_palette_lighten(LV_PALETTE_RED, 2), 0);

            lv_obj_t * tab_btns = lv_tabview_get_tab_btns(tabview);
            lv_obj_set_style_bg_color(tab_btns, lv_palette_darken(LV_PALETTE_GREY, 3), 0);
            lv_obj_set_style_text_color(tab_btns, lv_palette_lighten(LV_PALETTE_GREY, 5), 0);
            lv_obj_set_style_border_side(tab_btns, LV_BORDER_SIDE_RIGHT, LV_PART_ITEMS | LV_STATE_CHECKED);


            /*Add 3 tabs (the tabs are page (lv_page) and can be scrolled*/
            lv_obj_t *tab1 = lv_tabview_add_tab(tabview, "Tab 1");
            lv_obj_set_size(tab1, LV_PCT(100), LV_PCT(100));
            lv_obj_t *tab2 = lv_tabview_add_tab(tabview, "Tab 2");
            lv_obj_set_size(tab2, LV_PCT(100), LV_PCT(100));
            lv_obj_t *tab3 = lv_tabview_add_tab(tabview, "Tab 3");
            lv_obj_set_size(tab3, LV_PCT(100), LV_PCT(100));
            lv_obj_t *tab4 = lv_tabview_add_tab(tabview, "Tab 4");
            lv_obj_set_size(tab4, LV_PCT(100), LV_PCT(100));
            lv_obj_t *tab5 = lv_tabview_add_tab(tabview, "Tab 5");
            lv_obj_set_size(tab5, LV_PCT(100), LV_PCT(100));

            lv_obj_set_style_bg_color(tab2, lv_palette_lighten(LV_PALETTE_AMBER, 3), 0);
            lv_obj_set_style_bg_opa(tab2, LV_OPA_COVER, 0);

            /*Add content to the tabs*/
            lv_obj_t * label = lv_label_create(tab1);
            lv_label_set_text(label, "First tab 1111111111111111");

            label = lv_label_create(tab2);
            lv_label_set_text(label, "Second tab 2222222222222222");

            label = lv_label_create(tab3);
            lv_label_set_text(label, "Third tab 333333333333333333333");

            label = lv_label_create(tab4);
            lv_label_set_text(label, "Forth tab 444");

            label = lv_label_create(tab5);
            lv_label_set_text(label, "Fifth tab 5");

//            lv_obj_clear_flag(lv_tabview_get_content(tabview), LV_OBJ_FLAG_SCROLLABLE);

//        //横向按钮列表
//        cont = lv_obj_create(mainmenu_win);
//        lv_obj_set_size(cont, lv_pct(100), lv_pct(100));
//        lv_obj_center(cont);
//        lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_ROW );
//        lv_obj_add_event_cb(cont, scroll_event_cb, LV_EVENT_SCROLL, NULL);
//        lv_obj_set_style_radius(cont, LV_RADIUS_CIRCLE, 0);//圆弧框
//        lv_obj_set_style_clip_corner(cont, true, 0);//隐藏四个角落
//        lv_obj_set_scroll_dir(cont, LV_DIR_VER);
//        lv_obj_set_scroll_snap_y(cont, LV_SCROLL_SNAP_CENTER);
//        lv_obj_set_scrollbar_mode(cont, LV_SCROLLBAR_MODE_OFF);
//        lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
//
//        for(i = 0; i < 7; i++) {
//            lv_obj_t * btn = lv_btn_create(cont);
//            lv_obj_set_width(btn, 100);
//            lv_obj_set_height(btn, lv_pct(70));
//
//            lv_obj_t * label = lv_label_create(btn);
//            lv_label_set_text_fmt(label, "%d", i);
//        }
//
//        lv_event_send(cont, LV_EVENT_SCROLL, NULL);
//
//        lv_obj_scroll_to_view(lv_obj_get_child(cont, 0), LV_ANIM_OFF);

        break;
    case 1:
        //弧形按钮列表
        cont_parent = lv_obj_create(mainmenu_win);
        lv_obj_set_size(cont_parent, 180, lv_pct(100));
        lv_obj_align(cont_parent,LV_ALIGN_TOP_LEFT, 0, 0);
        lv_obj_set_style_bg_color(cont_parent, lv_color_hex(0xff0000), 0);
        lv_obj_clear_flag(cont_parent, LV_OBJ_FLAG_SCROLLABLE);

        cont = lv_obj_create(cont_parent);
        lv_obj_set_size(cont, 150, 150);
        lv_obj_center(cont);
        lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_COLUMN);
        lv_obj_add_event_cb(cont, scroll_event_cb, LV_EVENT_SCROLL, NULL);
        lv_obj_set_style_radius(cont, LV_RADIUS_CIRCLE, 0);//圆弧框
        lv_obj_set_style_clip_corner(cont, true, 0);//隐藏四个角落
        lv_obj_set_scroll_dir(cont, LV_DIR_VER);
        lv_obj_set_scroll_snap_y(cont, LV_SCROLL_SNAP_CENTER);
        lv_obj_set_scrollbar_mode(cont, LV_SCROLLBAR_MODE_OFF);
        lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLLABLE);

        for(i = 0; i < 7; i++) {
            lv_obj_t * btn = lv_btn_create(cont);
            lv_obj_set_width(btn, lv_pct(90));
            lv_obj_set_height(btn, lv_pct(70));

            lv_obj_t * label = lv_label_create(btn);
            lv_label_set_text_fmt(label, "%d", i);
        }

        lv_event_send(cont, LV_EVENT_SCROLL, NULL);

        lv_obj_scroll_to_view(lv_obj_get_child(cont, 0), LV_ANIM_OFF);

    break;
    case 2:
        //循环滚动列表

        lv_style_init(&style);
        lv_style_set_bg_color(&style, lv_color_black());
        lv_style_set_text_color(&style, lv_color_hex(0x5e0000));
        lv_style_set_border_width(&style, 0);
        lv_style_set_pad_all(&style, 0);
        lv_obj_add_style(mainmenu_win, &style, 0);

        lv_obj_t *roller1 = lv_roller_create(mainmenu_win);
        lv_obj_add_style(roller1, &style, 0);
    //    lv_obj_set_style_bg_opa(roller1, LV_OPA_TRANSP, LV_PART_SELECTED);

        lv_roller_set_options(roller1,
                            "January\n"
                            "February\n"
                            "March\n"
                            "April\n"
                            "May\n"
                            "June\n"
                            "July\n"
                            "August\n"
                            "September\n"
                            "October\n"
                            "November\n"
                            "December",
                            LV_ROLLER_MODE_INFINITE);

        lv_obj_center(roller1);
        lv_roller_set_visible_row_count(roller1, 3);

    break;

}
}