#include "include.h"

#define TRACE_EN                1

#if TRACE_EN
#define TRACE(...)              printf(__VA_ARGS__)
#else
#define TRACE(...)
#endif

//根据数字图像资源创建一个数字, num_cnt表示该数字最大位数
compo_number_t *compo_number_create(compo_form_t *frm, u32 res_addr, int num_cnt)
{
    int i;
    if (num_cnt <= 0 || num_cnt > MAX_NUMBER_CNT) {
        halt(HALT_GUI_COMPO_NUMBER_CNT);
    }
    compo_number_t *num = compo_create(frm, COMPO_TYPE_NUMBER);
    widget_page_t *page = widget_page_create(frm->page);
    num->flag_zfill = false;
    num->page = page;
    num->num_cnt = num_cnt;
    num->max_val = 1;
    for (i=0; i<num_cnt; i++) {
        widget_page_t *page_num = widget_page_create(page);
        widget_set_align_center(page_num, false);
        widget_image_t *img = widget_image_create(page_num, res_addr);
        widget_set_align_center(img, false);
        if (num->num_wid == 0) {
            area_t area = widget_image_get_size(img);
            num->num_wid = area.wid;
            num->num_hei = area.hei / 10;
        }
        widget_set_size(page_num, num->num_wid, num->num_hei);
        num->page_num[i] = page_num;
        num->max_val *= 10;
    }
    num->max_val--;
    compo_number_set_margin(num, num->num_wid / 8);
    return num;
}

//设置数字值
void compo_number_set(compo_number_t *num, int val)
{
    int i, znum;
    if (val < 0 || val > num->max_val) {
        halt(HALT_GUI_COMPO_NUMBER_VALUE);
    }
    num->value = val;
    znum = num->num_cnt - 1;
    for (i=znum; i>=0; i--) {
        int v = val % 10;
        val /= 10;
        widget_page_set_client(num->page_num[i], 0, -v * num->num_hei);
        widget_set_visible(num->page_num[i], true);
        if (v > 0) {
            znum = i;
        }
    }
    if (!num->flag_zfill) {
        for (i=0; i<znum; i++) {
            widget_set_visible(num->page_num[i], false);
        }
    }
}

//设置坐标及大小
void compo_number_set_location(compo_number_t *num, s16 x, s16 y, s16 width, s16 height)
{
    widget_set_location(num->page, x, y, width, height);
}

//设置坐标
void compo_number_set_pos(compo_number_t *num, s16 x, s16 y)
{
    widget_set_pos(num->page, x, y);
}

//设置透明度
void compo_number_set_alpha(compo_number_t *num, u8 alpha)
{
    widget_set_alpha(num->page, alpha);
}

//设置字间距
void compo_number_set_margin(compo_number_t *num, int margin)
{
    int i, x;
    x = 0;
    for (i=0; i<num->num_cnt; i++) {
        if (i != 0) {
            x += margin;
        }
        widget_set_pos(num->page_num[i], x, 0);
        x += num->num_wid;
    }
    widget_set_size(num->page, x, num->num_hei);
}

//设置高位是否填0
void compo_number_set_zfill(compo_number_t *num, bool flag)
{
    num->flag_zfill = flag;
    compo_number_set(num, num->value);
}