InfiniTime/src/displayapp/lv_pinetime_theme.c

/**
 * @file lv_pinetime_theme.c
 *
 */

/*********************
 *      INCLUDES
 *********************/
#include "lv_pinetime_theme.h"

/*********************
 *      DEFINES
 *********************/

/**********************
 *      TYPEDEFS
 **********************/

/**********************
 *  STATIC PROTOTYPES
 **********************/
static void theme_apply(lv_obj_t * obj, lv_theme_style_t name);

/**********************
 *  STATIC VARIABLES
 **********************/
static lv_theme_t theme;

static lv_style_t style_pad;
static lv_style_t style_circle;

static lv_style_t style_bg;
static lv_style_t style_box;
static lv_style_t style_box_border;
static lv_style_t style_btn;
static lv_style_t style_btn_border;
static lv_style_t style_title;
static lv_style_t style_label_white;
static lv_style_t style_back;
static lv_style_t style_icon;
static lv_style_t style_bar_indic;
static lv_style_t style_slider_knob;
static lv_style_t style_scrollbar;
static lv_style_t style_list_btn;
static lv_style_t style_ddlist_list;
static lv_style_t style_ddlist_selected;
static lv_style_t style_sw_bg;
static lv_style_t style_sw_indic;
static lv_style_t style_sw_knob;
static lv_style_t style_arc_bg;
static lv_style_t style_arc_indic;
static lv_style_t style_table_cell;
static lv_style_t style_pad_small;
static lv_style_t style_bg_grad;
static lv_style_t style_lmeter;
static lv_style_t style_cb_bg;
static lv_style_t style_cb_bullet;

static bool inited;

/**********************
 *      MACROS
 **********************/

/**********************
 *   STATIC FUNCTIONS
 **********************/

static void style_init_reset(lv_style_t * style)
{
    if(inited) lv_style_reset(style);
    else lv_style_init(style);
}


static void basic_init(void)
{

    style_init_reset(&style_pad);
    lv_style_set_pad_top(&style_pad, LV_STATE_DEFAULT, LV_VER_RES / 30);
    lv_style_set_pad_bottom(&style_pad, LV_STATE_DEFAULT, LV_VER_RES / 30);
    lv_style_set_pad_left(&style_pad, LV_STATE_DEFAULT, LV_VER_RES / 40);
    lv_style_set_pad_right(&style_pad, LV_STATE_DEFAULT, LV_VER_RES / 40);

    style_init_reset(&style_circle);
    lv_style_set_radius(&style_circle, LV_STATE_DEFAULT, LV_RADIUS_CIRCLE);

    style_init_reset(&style_bg);
    lv_style_set_bg_opa(&style_bg, LV_STATE_DEFAULT, LV_OPA_COVER);
    lv_style_set_bg_color(&style_bg, LV_STATE_DEFAULT, LV_COLOR_BLACK);
    lv_style_set_text_font(&style_bg, LV_STATE_DEFAULT, theme.font_normal);

    style_init_reset(&style_box);
    lv_style_set_bg_opa(&style_box, LV_STATE_DEFAULT, LV_OPA_COVER);
    lv_style_set_radius(&style_box, LV_STATE_DEFAULT, 10);
    lv_style_set_value_color(&style_box, LV_STATE_DEFAULT, LV_PINETIME_BLUE);
    lv_style_set_value_font(&style_box, LV_STATE_DEFAULT, theme.font_normal);

    style_init_reset(&style_box_border);
    lv_style_set_bg_opa(&style_box_border, LV_STATE_DEFAULT, LV_OPA_TRANSP);
    lv_style_set_border_width(&style_box_border, LV_STATE_DEFAULT, 2);
    lv_style_set_border_color(&style_box_border, LV_STATE_DEFAULT, LV_PINETIME_GRAY);
    lv_style_set_text_color(&style_box, LV_STATE_DEFAULT, LV_PINETIME_BLUE);


    style_init_reset(&style_title);
    lv_style_set_text_color(&style_title, LV_STATE_DEFAULT, LV_PINETIME_WHITE);
    lv_style_set_text_font(&style_title, LV_STATE_DEFAULT, theme.font_subtitle);

    style_init_reset(&style_label_white);
    lv_style_set_text_color(&style_label_white, LV_STATE_DEFAULT, LV_PINETIME_WHITE);

    style_init_reset(&style_btn);
    lv_style_set_radius(&style_btn, LV_STATE_DEFAULT, 10);
    lv_style_set_bg_opa(&style_btn, LV_STATE_DEFAULT, LV_OPA_COVER);
    lv_style_set_bg_color(&style_btn, LV_STATE_DEFAULT, lv_color_hex(0x2F3540));
    lv_style_set_bg_color(&style_btn, LV_STATE_CHECKED, LV_COLOR_GREEN);
    lv_style_set_bg_color(&style_btn, LV_STATE_DISABLED, lv_color_hex(0x2F3540));
    lv_style_set_bg_color(&style_btn, LV_STATE_DISABLED | LV_STATE_CHECKED, lv_color_hex3(0x888));
    lv_style_set_border_color(&style_btn, LV_STATE_DEFAULT, theme.color_primary);
    lv_style_set_border_width(&style_btn, LV_STATE_DEFAULT, 0);
    lv_style_set_border_opa(&style_btn, LV_STATE_CHECKED, LV_OPA_TRANSP);

    lv_style_set_text_color(&style_btn, LV_STATE_DEFAULT, lv_color_hex(0xffffff));
    lv_style_set_text_color(&style_btn, LV_STATE_CHECKED,  lv_color_hex(0xffffff));
    lv_style_set_text_color(&style_btn, LV_STATE_CHECKED, lv_color_hex(0xffffff));
    lv_style_set_text_color(&style_btn, LV_STATE_DISABLED, lv_color_hex(0x888888));

    lv_style_set_value_color(&style_btn, LV_STATE_DEFAULT, lv_color_hex(0xffffff));
    lv_style_set_value_color(&style_btn, LV_STATE_CHECKED,  lv_color_hex(0xffffff));
    lv_style_set_value_color(&style_btn, LV_STATE_CHECKED, lv_color_hex(0xffffff));
    lv_style_set_value_color(&style_btn, LV_STATE_DISABLED, lv_color_hex(0x888888));

    lv_style_set_pad_left(&style_btn, LV_STATE_DEFAULT, LV_DPX(20));
    lv_style_set_pad_right(&style_btn, LV_STATE_DEFAULT, LV_DPX(20));
    lv_style_set_pad_top(&style_btn, LV_STATE_DEFAULT, LV_DPX(20));
    lv_style_set_pad_bottom(&style_btn, LV_STATE_DEFAULT, LV_DPX(20));
    lv_style_set_pad_inner(&style_btn, LV_STATE_DEFAULT, LV_DPX(15));
    lv_style_set_outline_width(&style_btn, LV_STATE_DEFAULT, LV_DPX(2));
    lv_style_set_outline_opa(&style_btn, LV_STATE_DEFAULT, LV_OPA_0);
    lv_style_set_outline_color(&style_btn, LV_STATE_DEFAULT, theme.color_primary);
    lv_style_set_transition_time(&style_btn, LV_STATE_DEFAULT, 0);
    lv_style_set_transition_delay(&style_btn, LV_STATE_DEFAULT, 0);

    style_init_reset(&style_btn_border);
    lv_style_set_radius(&style_btn_border, LV_STATE_DEFAULT, LV_RADIUS_CIRCLE);
    lv_style_set_border_color(&style_btn_border, LV_STATE_DEFAULT, LV_PINETIME_WHITE);
    lv_style_set_border_width(&style_btn_border, LV_STATE_DEFAULT, 2);
    lv_style_set_bg_opa(&style_btn_border, LV_STATE_DEFAULT, LV_OPA_TRANSP);
    lv_style_set_bg_color(&style_btn_border, LV_STATE_DEFAULT, LV_PINETIME_WHITE);
    lv_style_set_text_color(&style_btn_border, LV_STATE_DEFAULT, LV_PINETIME_WHITE);
    lv_style_set_value_color(&style_btn_border, LV_STATE_DEFAULT, LV_PINETIME_WHITE);
    lv_style_set_transition_prop_3(&style_btn_border, LV_STATE_DEFAULT, LV_STYLE_BG_OPA);

    style_init_reset(&style_icon);
    lv_style_set_text_color(&style_icon, LV_STATE_DEFAULT, LV_PINETIME_WHITE);

    style_init_reset(&style_back);
    lv_style_set_value_color(&style_back, LV_STATE_DEFAULT, LV_PINETIME_GRAY);
    lv_style_set_value_str(&style_back, LV_STATE_DEFAULT, LV_SYMBOL_LEFT);
    lv_style_set_value_font(&style_back, LV_STATE_DEFAULT, theme.font_subtitle);

    style_init_reset(&style_bar_indic);
    lv_style_set_bg_opa(&style_bar_indic, LV_STATE_DEFAULT, LV_OPA_COVER);
    lv_style_set_radius(&style_bar_indic, LV_STATE_DEFAULT, 10);

    style_init_reset(&style_scrollbar);
    lv_style_set_bg_opa(&style_scrollbar, LV_STATE_DEFAULT, LV_OPA_COVER);
    lv_style_set_radius(&style_scrollbar, LV_STATE_DEFAULT, LV_RADIUS_CIRCLE);
    lv_style_set_bg_color(&style_scrollbar, LV_STATE_DEFAULT, LV_PINETIME_LIGHT_GRAY);
    lv_style_set_size(&style_scrollbar, LV_STATE_DEFAULT, LV_HOR_RES / 80);
    lv_style_set_pad_right(&style_scrollbar, LV_STATE_DEFAULT, LV_HOR_RES / 60);

    style_init_reset(&style_list_btn);
    lv_style_set_bg_opa(&style_list_btn, LV_STATE_DEFAULT, LV_OPA_COVER);
    lv_style_set_bg_color(&style_list_btn, LV_STATE_DEFAULT, LV_PINETIME_WHITE);
    lv_style_set_bg_color(&style_list_btn, LV_STATE_CHECKED, LV_PINETIME_GRAY);
    lv_style_set_bg_color(&style_list_btn, LV_STATE_CHECKED | LV_STATE_PRESSED, lv_color_darken(LV_PINETIME_GRAY, LV_OPA_20));
    lv_style_set_text_color(&style_list_btn, LV_STATE_DEFAULT, LV_PINETIME_BLUE);
    lv_style_set_text_color(&style_list_btn, LV_STATE_CHECKED, LV_PINETIME_WHITE);
    lv_style_set_text_color(&style_list_btn, LV_STATE_CHECKED | LV_STATE_PRESSED, LV_PINETIME_WHITE);
    lv_style_set_image_recolor(&style_list_btn, LV_STATE_DEFAULT, LV_PINETIME_BLUE);
    lv_style_set_image_recolor(&style_list_btn, LV_STATE_CHECKED, LV_PINETIME_WHITE);
    lv_style_set_image_recolor(&style_list_btn, LV_STATE_CHECKED | LV_STATE_PRESSED, LV_PINETIME_WHITE);
    lv_style_set_pad_left(&style_list_btn, LV_STATE_DEFAULT, LV_HOR_RES / 25);
    lv_style_set_pad_right(&style_list_btn, LV_STATE_DEFAULT, LV_HOR_RES / 25);
    lv_style_set_pad_top(&style_list_btn, LV_STATE_DEFAULT, LV_HOR_RES / 100);
    lv_style_set_pad_bottom(&style_list_btn, LV_STATE_DEFAULT, LV_HOR_RES / 100);
    lv_style_set_pad_inner(&style_list_btn, LV_STATE_DEFAULT, LV_HOR_RES / 50);

    style_init_reset(&style_ddlist_list);
    lv_style_set_text_line_space(&style_ddlist_list, LV_STATE_DEFAULT, LV_VER_RES / 25);
    lv_style_set_shadow_width(&style_ddlist_list, LV_STATE_DEFAULT, LV_VER_RES / 20);
    lv_style_set_shadow_color(&style_ddlist_list, LV_STATE_DEFAULT, LV_PINETIME_GRAY);

    style_init_reset(&style_ddlist_selected);
    lv_style_set_bg_opa(&style_ddlist_selected, LV_STATE_DEFAULT, LV_OPA_COVER);
    lv_style_set_bg_color(&style_ddlist_selected, LV_STATE_DEFAULT, LV_PINETIME_BLUE);

    style_init_reset(&style_sw_bg);
    lv_style_set_bg_opa(&style_sw_bg, LV_STATE_DEFAULT, LV_OPA_COVER);
    lv_style_set_bg_color(&style_sw_bg, LV_STATE_DEFAULT, LV_PINETIME_LIGHT_GRAY);
    lv_style_set_radius(&style_sw_bg, LV_STATE_DEFAULT, LV_RADIUS_CIRCLE);
    lv_style_set_value_color(&style_sw_bg, LV_STATE_DEFAULT, LV_PINETIME_BLUE);

    style_init_reset(&style_sw_indic);
    lv_style_set_bg_opa(&style_sw_indic, LV_STATE_DEFAULT, LV_OPA_COVER);
    lv_style_set_bg_color(&style_sw_indic, LV_STATE_DEFAULT, LV_PINETIME_GREEN);

    style_init_reset(&style_sw_knob);
    lv_style_set_bg_opa(&style_sw_knob, LV_STATE_DEFAULT, LV_OPA_COVER);
    lv_style_set_bg_color(&style_sw_knob, LV_STATE_DEFAULT, LV_PINETIME_WHITE);
    lv_style_set_radius(&style_sw_knob, LV_STATE_DEFAULT, LV_RADIUS_CIRCLE);
    lv_style_set_pad_top(&style_sw_knob, LV_STATE_DEFAULT, - 4);
    lv_style_set_pad_bottom(&style_sw_knob, LV_STATE_DEFAULT, - 4);
    lv_style_set_pad_left(&style_sw_knob, LV_STATE_DEFAULT, - 4);
    lv_style_set_pad_right(&style_sw_knob, LV_STATE_DEFAULT,  - 4);

    style_init_reset(&style_slider_knob);
    lv_style_set_bg_opa(&style_slider_knob, LV_STATE_DEFAULT, LV_OPA_COVER);
    lv_style_set_bg_color(&style_slider_knob, LV_STATE_DEFAULT, LV_COLOR_RED);
    lv_style_set_border_color(&style_slider_knob, LV_STATE_DEFAULT, LV_COLOR_WHITE);
    lv_style_set_border_width(&style_slider_knob, LV_STATE_DEFAULT, 6);
    lv_style_set_radius(&style_slider_knob, LV_STATE_DEFAULT, LV_RADIUS_CIRCLE);
    lv_style_set_pad_top(&style_slider_knob, LV_STATE_DEFAULT, 10);
    lv_style_set_pad_bottom(&style_slider_knob, LV_STATE_DEFAULT, 10);
    lv_style_set_pad_left(&style_slider_knob, LV_STATE_DEFAULT, 10);
    lv_style_set_pad_right(&style_slider_knob, LV_STATE_DEFAULT,  10);
    lv_style_set_pad_top(&style_slider_knob, LV_STATE_PRESSED, 14);
    lv_style_set_pad_bottom(&style_slider_knob, LV_STATE_PRESSED, 14);
    lv_style_set_pad_left(&style_slider_knob, LV_STATE_PRESSED, 14);
    lv_style_set_pad_right(&style_slider_knob, LV_STATE_PRESSED,  14);

    style_init_reset(&style_arc_indic);
    lv_style_set_line_color(&style_arc_indic, LV_STATE_DEFAULT, LV_PINETIME_BLUE);
    lv_style_set_line_width(&style_arc_indic, LV_STATE_DEFAULT, LV_DPX(25));
    lv_style_set_line_rounded(&style_arc_indic, LV_STATE_DEFAULT, true);

    style_init_reset(&style_arc_bg);
    lv_style_set_line_color(&style_arc_bg, LV_STATE_DEFAULT, LV_PINETIME_GRAY);
    lv_style_set_line_width(&style_arc_bg, LV_STATE_DEFAULT, LV_DPX(25));
    lv_style_set_line_rounded(&style_arc_bg, LV_STATE_DEFAULT, true);

    style_init_reset(&style_table_cell);
    lv_style_set_border_color(&style_table_cell, LV_STATE_DEFAULT, LV_PINETIME_GRAY);
    lv_style_set_border_width(&style_table_cell, LV_STATE_DEFAULT, 1);
    lv_style_set_border_side(&style_table_cell, LV_STATE_DEFAULT, LV_BORDER_SIDE_FULL);
    lv_style_set_pad_left(&style_table_cell, LV_STATE_DEFAULT, 12);
    lv_style_set_pad_right(&style_table_cell, LV_STATE_DEFAULT, 12);
    lv_style_set_pad_top(&style_table_cell, LV_STATE_DEFAULT, 12);
    lv_style_set_pad_bottom(&style_table_cell, LV_STATE_DEFAULT, 12);

    style_init_reset(&style_pad_small);
    lv_style_int_t pad_small_value = 10;
    lv_style_set_pad_left(&style_pad_small, LV_STATE_DEFAULT,  pad_small_value);
    lv_style_set_pad_right(&style_pad_small, LV_STATE_DEFAULT, pad_small_value);
    lv_style_set_pad_top(&style_pad_small, LV_STATE_DEFAULT,  pad_small_value);
    lv_style_set_pad_bottom(&style_pad_small, LV_STATE_DEFAULT, pad_small_value);
    lv_style_set_pad_inner(&style_pad_small, LV_STATE_DEFAULT, pad_small_value);

    style_init_reset(&style_bg_grad);
    lv_style_set_bg_color(&style_bg_grad, LV_STATE_DEFAULT, lv_color_hsv_to_rgb(10, 10, 40));
    lv_style_set_bg_grad_color(&style_bg_grad, LV_STATE_DEFAULT, lv_color_hsv_to_rgb(10, 10, 20));
    lv_style_set_bg_grad_dir(&style_bg_grad, LV_STATE_DEFAULT, LV_GRAD_DIR_VER);

    style_init_reset(&style_lmeter);
    lv_style_set_radius(&style_lmeter, LV_STATE_DEFAULT, LV_RADIUS_CIRCLE);
    lv_style_set_pad_left(&style_lmeter, LV_STATE_DEFAULT, LV_DPX(20));
    lv_style_set_pad_right(&style_lmeter, LV_STATE_DEFAULT, LV_DPX(20));
    lv_style_set_pad_top(&style_lmeter, LV_STATE_DEFAULT, LV_DPX(20));
    lv_style_set_pad_inner(&style_lmeter, LV_STATE_DEFAULT, LV_DPX(30));
    lv_style_set_scale_width(&style_lmeter, LV_STATE_DEFAULT, LV_DPX(25));

    lv_style_set_line_color(&style_lmeter, LV_STATE_DEFAULT, theme.color_primary);
    lv_style_set_scale_grad_color(&style_lmeter, LV_STATE_DEFAULT, theme.color_primary);
    lv_style_set_scale_end_color(&style_lmeter, LV_STATE_DEFAULT, lv_color_hex3(0x888));
    lv_style_set_line_width(&style_lmeter, LV_STATE_DEFAULT, LV_DPX(10));
    lv_style_set_scale_end_line_width(&style_lmeter, LV_STATE_DEFAULT, LV_DPX(7));

    lv_style_reset(&style_cb_bg);
    lv_style_set_radius(&style_cb_bg, LV_STATE_DEFAULT, LV_DPX(4));
    lv_style_set_pad_inner(&style_cb_bg, LV_STATE_DEFAULT, LV_DPX(10));
    lv_style_set_outline_color(&style_cb_bg, LV_STATE_DEFAULT, theme.color_primary);
    lv_style_set_outline_width(&style_cb_bg, LV_STATE_DEFAULT, LV_DPX(2));
    lv_style_set_outline_pad(&style_cb_bg, LV_STATE_DEFAULT, LV_DPX(20));
    lv_style_set_transition_time(&style_cb_bg, LV_STATE_DEFAULT, 0);
    lv_style_set_transition_prop_6(&style_cb_bg, LV_STATE_DEFAULT, LV_STYLE_OUTLINE_OPA);

    lv_style_reset(&style_cb_bullet);
    lv_style_set_outline_opa(&style_cb_bullet, LV_STATE_FOCUSED, LV_OPA_TRANSP);
    lv_style_set_radius(&style_cb_bullet, LV_STATE_DEFAULT, LV_DPX(4));
    lv_style_set_pattern_recolor(&style_cb_bullet, LV_STATE_CHECKED, LV_COLOR_WHITE);
    lv_style_set_pad_left(&style_cb_bullet, LV_STATE_DEFAULT, LV_DPX(8));
    lv_style_set_pad_right(&style_cb_bullet, LV_STATE_DEFAULT, LV_DPX(8));
    lv_style_set_pad_top(&style_cb_bullet, LV_STATE_DEFAULT, LV_DPX(8));
    lv_style_set_pad_bottom(&style_cb_bullet, LV_STATE_DEFAULT, LV_DPX(8));

}


/**********************
 *   GLOBAL FUNCTIONS
 **********************/

/**
 * Initialize the default
 * @param color_primary the primary color of the theme
 * @param color_secondary the secondary color for the theme
 * @param flags ORed flags starting with `LV_THEME_DEF_FLAG_...`
 * @param font_small pointer to a small font
 * @param font_normal pointer to a normal font
 * @param font_subtitle pointer to a large font
 * @param font_title pointer to a extra large font
 * @return a pointer to reference this theme later
 */
lv_theme_t * lv_pinetime_theme_init(lv_color_t color_primary, lv_color_t color_secondary, uint32_t flags,
                                    const lv_font_t * font_small, const lv_font_t * font_normal, const lv_font_t * font_subtitle,
                                    const lv_font_t * font_title)
{
    theme.color_primary = color_primary;
    theme.color_secondary = color_secondary;
    theme.font_small = font_small;
    theme.font_normal = font_normal;
    theme.font_subtitle = font_subtitle;
    theme.font_title = font_title;
    theme.flags = flags;

    basic_init();

    theme.apply_xcb = theme_apply;

    inited = true;

    return &theme;
}


static void theme_apply(lv_obj_t * obj, lv_theme_style_t name)
{
    lv_style_list_t * list;

    /*To avoid warnings*/
    uint32_t name_int = (uint32_t) name;
    switch(name_int) {
        case LV_THEME_NONE:
            break;

        case LV_THEME_SCR:
            lv_obj_clean_style_list(obj, LV_OBJ_PART_MAIN);
            list = lv_obj_get_style_list(obj, LV_OBJ_PART_MAIN);
            _lv_style_list_add_style(list, &style_bg);
            break;

        case LV_THEME_OBJ:
            lv_obj_clean_style_list(obj, LV_OBJ_PART_MAIN);
            list = lv_obj_get_style_list(obj, LV_OBJ_PART_MAIN);
            _lv_style_list_add_style(list, &style_box);
            break;

        case LV_THEME_CONT:
            lv_obj_clean_style_list(obj, LV_OBJ_PART_MAIN);
            list = lv_obj_get_style_list(obj, LV_CONT_PART_MAIN);
            _lv_style_list_add_style(list, &style_box);
            break;

        case LV_THEME_BTN:
            lv_obj_clean_style_list(obj, LV_BTN_PART_MAIN);
            list = lv_obj_get_style_list(obj, LV_BTN_PART_MAIN);
            _lv_style_list_add_style(list, &style_btn);
            //_lv_style_list_add_style(list, &style_bg_grad);
            break;

        case LV_THEME_BTNMATRIX:
            list = lv_obj_get_style_list(obj, LV_BTNMATRIX_PART_BG);
            _lv_style_list_add_style(list, &style_bg);
            _lv_style_list_add_style(list, &style_pad_small);

            list = lv_obj_get_style_list(obj, LV_BTNMATRIX_PART_BTN);
            _lv_style_list_add_style(list, &style_btn);
            //_lv_style_list_add_style(list, &style_bg_grad);
            //_lv_style_list_add_style(list, &style_bg_click);
            break;

        case LV_THEME_BAR:
            lv_obj_clean_style_list(obj, LV_BAR_PART_BG);
            list = lv_obj_get_style_list(obj, LV_BAR_PART_BG);

            lv_obj_clean_style_list(obj, LV_BAR_PART_INDIC);
            list = lv_obj_get_style_list(obj, LV_BAR_PART_INDIC);
            _lv_style_list_add_style(list, &style_bar_indic);
            break;

        case LV_THEME_IMAGE:
            lv_obj_clean_style_list(obj, LV_IMG_PART_MAIN);
            list = lv_obj_get_style_list(obj, LV_IMG_PART_MAIN);
            _lv_style_list_add_style(list, &style_icon);
            break;

        case LV_THEME_LABEL:
            lv_obj_clean_style_list(obj, LV_LABEL_PART_MAIN);
            list = lv_obj_get_style_list(obj, LV_LABEL_PART_MAIN);
            _lv_style_list_add_style(list, &style_label_white);
            break;

        case LV_THEME_SLIDER:
            lv_obj_clean_style_list(obj, LV_SLIDER_PART_BG);
            list = lv_obj_get_style_list(obj, LV_SLIDER_PART_BG);
            _lv_style_list_add_style(list, &style_sw_bg);

            lv_obj_clean_style_list(obj, LV_SLIDER_PART_INDIC);
            list = lv_obj_get_style_list(obj, LV_SLIDER_PART_INDIC);

            lv_obj_clean_style_list(obj, LV_SLIDER_PART_KNOB);
            list = lv_obj_get_style_list(obj, LV_SLIDER_PART_KNOB);
            _lv_style_list_add_style(list, &style_slider_knob);
            break;

        case LV_THEME_LIST:
            lv_obj_clean_style_list(obj, LV_LIST_PART_BG);
            list = lv_obj_get_style_list(obj, LV_LIST_PART_BG);
            _lv_style_list_add_style(list, &style_box);

            lv_obj_clean_style_list(obj, LV_LIST_PART_SCROLLABLE);
            list = lv_obj_get_style_list(obj, LV_LIST_PART_SCROLLABLE);

            lv_obj_clean_style_list(obj, LV_LIST_PART_SCROLLBAR);
            list = lv_obj_get_style_list(obj, LV_LIST_PART_SCROLLBAR);
            _lv_style_list_add_style(list, &style_scrollbar);
            break;

        case LV_THEME_LIST_BTN:
            lv_obj_clean_style_list(obj, LV_BTN_PART_MAIN);
            list = lv_obj_get_style_list(obj, LV_BTN_PART_MAIN);
            _lv_style_list_add_style(list, &style_list_btn);
            break;


        case LV_THEME_ARC:
            lv_obj_clean_style_list(obj, LV_ARC_PART_BG);
            list = lv_obj_get_style_list(obj, LV_ARC_PART_BG);
            _lv_style_list_add_style(list, &style_arc_bg);

            lv_obj_clean_style_list(obj, LV_ARC_PART_INDIC);
            list = lv_obj_get_style_list(obj, LV_ARC_PART_INDIC);
            _lv_style_list_add_style(list, &style_arc_indic);
            break;


        case LV_THEME_SWITCH:
            lv_obj_clean_style_list(obj, LV_SWITCH_PART_BG);
            list = lv_obj_get_style_list(obj, LV_SWITCH_PART_BG);
            _lv_style_list_add_style(list, &style_sw_bg);

            lv_obj_clean_style_list(obj, LV_SWITCH_PART_INDIC);
            list = lv_obj_get_style_list(obj, LV_SWITCH_PART_INDIC);
            _lv_style_list_add_style(list, &style_sw_indic);

            lv_obj_clean_style_list(obj, LV_SWITCH_PART_KNOB);
            list = lv_obj_get_style_list(obj, LV_SWITCH_PART_KNOB);
            _lv_style_list_add_style(list, &style_sw_knob);
            break;

        case LV_THEME_DROPDOWN:
            lv_obj_clean_style_list(obj, LV_DROPDOWN_PART_MAIN);
            list = lv_obj_get_style_list(obj, LV_DROPDOWN_PART_MAIN);
            _lv_style_list_add_style(list, &style_btn);
            _lv_style_list_add_style(list, &style_pad);

            lv_obj_clean_style_list(obj, LV_DROPDOWN_PART_LIST);
            list = lv_obj_get_style_list(obj, LV_DROPDOWN_PART_LIST);
            _lv_style_list_add_style(list, &style_box);
            _lv_style_list_add_style(list, &style_ddlist_list);
            _lv_style_list_add_style(list, &style_pad);

            lv_obj_clean_style_list(obj, LV_DROPDOWN_PART_SELECTED);
            list = lv_obj_get_style_list(obj, LV_DROPDOWN_PART_SELECTED);
            _lv_style_list_add_style(list, &style_ddlist_selected);

            lv_obj_clean_style_list(obj, LV_DROPDOWN_PART_SCROLLBAR);
            list = lv_obj_get_style_list(obj, LV_DROPDOWN_PART_SCROLLBAR);
            _lv_style_list_add_style(list, &style_scrollbar);
            break;

         case LV_THEME_TABLE: 
            list = lv_obj_get_style_list(obj, LV_TABLE_PART_BG);
            _lv_style_list_add_style(list, &style_bg);

            int idx = 1; /* start value should be 1, not zero, since cell styles
                        start at 1 due to presence of LV_TABLE_PART_BG=0
                        in the enum (lv_table.h) */
            /* declaring idx outside loop to work with older compilers */
            for(; idx <= LV_TABLE_CELL_STYLE_CNT; idx ++) {
                list = lv_obj_get_style_list(obj, idx);
                _lv_style_list_add_style(list, &style_table_cell);
            }
            break;

        case LV_THEME_LINEMETER:
            list = lv_obj_get_style_list(obj, LV_LINEMETER_PART_MAIN);
            _lv_style_list_add_style(list, &style_bg);
            _lv_style_list_add_style(list, &style_lmeter);
            break;
            
        case LV_THEME_CHECKBOX:
            list = lv_obj_get_style_list(obj, LV_CHECKBOX_PART_BG);
            _lv_style_list_add_style(list, &style_cb_bg);

            list = lv_obj_get_style_list(obj, LV_CHECKBOX_PART_BULLET);
            _lv_style_list_add_style(list, &style_btn);
            _lv_style_list_add_style(list, &style_cb_bullet);
            break;


        default:
            break;
    }


    lv_obj_refresh_style(obj, LV_OBJ_PART_ALL, LV_STYLE_PROP_ALL);


}

/**********************
 *   STATIC FUNCTIONS
 **********************/