ek_aip输入框窗体的创建

#include <ek_api.h>
#include <time.h>

#define PIC_FILE1    "/etc/pic/input.pic"
#define PIC_FILE2    "/etc/pic/input2.pic"
#define BASE_X 1
#define BASE_Y 24
#define SELECT_OK ek_sdc_select(81,24,95,32)
#define SELECT_DEL ek_sdc_select(97,24,111,32)
#define SELECT_PAGE ek_sdc_select(113,24,126,32)
int _x, _y;                        //坐标
int _page;                        //页码 0 || 1

EWin *win_main;

cstr * charmap[4] = {            //第一页的字符集
    "0123456789\n\010\033",
    "abcdefghijklmnop",
    "qrstuvwxyz!@#$%&",
    "*()-+{}|:\"<>?=[]",
};
cstr * charmap2[4]={            //第二页的字符集
    "0123456789\n\010\033",
    "ABCDEFGHIJKLMNOP",
    "QRSTUVWXYZ;,./\\_",
    " \007\007\007\007\007\007\007\007\007\007\007\007\007\007\007\007"
};
char char_buffer[42];           //字符集缓冲区
char char_buf_1[22];           //第一行的字符
char *_p = &char_buffer[0];       //指向当前的字符

static int on_key(EWin *win, EKey key_val)
{
    bool refresh=false;
    switch(key_val.code)
    {
    case key_ok:
        refresh = true;
        char c;
        c = (0 == _page)?charmap[_y][_x]:charmap2[_y][_x];
        switch (c)
        {
        case '\010':
            if(strlen(char_buffer) > 0)
                *--_p = '\0';
            break;
        case '\n':
            break;
        case '\033':
            _page = !_page;
            break;
        case '\007':
            break;
        default:
            if(strlen(char_buffer)<42)
                *_p++ = c;
            break;
        }
        break;
    case key_right:
        refresh =true;
        if(13 == ++_x && 0 ==_y)
        {
            _x = 0;
            _y++;
        }
        else if(16 == _x)
        {
            _x = 0;
            if(3 == _y)
            {
                _y = 0;
                break;
            }
            _y++;
        }
        break;
    case key_left:
        refresh = true;
        if(--_x < 0 && 1 == _y)
        {
            _x = 12;
            _y--;
        }
        else if(-1 == _x)
        {
            _x = 15;
            if(0 == _y)
            {
                _y = 3;
                break;
            }
            _y--;

        }
        break;
    case key_up:
        refresh = true;
        if(0 == _y)
        {
            switch(_x)
            {
            case 11:
                _x = 12;
                break;
            case 12:
                _x = 14;
                break;
            }
            _y = 3;
        }
        else if(1 == _y)
        {
            switch(_x)
            {
            case 10:
                _x = 10;
                break;
            case 11:
                _x = 10;
                break;
            case 12:
                _x = 11;
                break;
            case 13:
                _x = 11;
                break;
            case 14:
                _x = 12;
                break;
            case 15:
                _x = 12;
            }
            _y--;
        }
        else _y--;
        break;
    case key_down:
        refresh = true;
        if(0 == _y)
        {
            switch(_x)
            {
            case 11:
                _x  = 12;
                break;
            case 12:
                _x  = 14;
                break;
            }
        }
        else if(3 == _y)
        {
            switch(_x)
            {
            case 10:
                _x = 10;
                break;
            case 11:
                _x = 10;
                break;
            case 12:
                _x = 11;
                break;
            case 13:
                _x = 11;
                break;
            case 14:
                _x = 12;
                break;
            case 15:
                _x = 12;
            }
            _y = 0;
            break;
        }
        _y++;
        break;
    case key_cancel:
        refresh =true;
        if(strlen(char_buffer) > 0)
            *--_p = '\0';
        else if(0 == strlen(char_buffer)) 
            ek_close_window(win);
    }
    if (refresh)
    {
        win_main->refresh(win);
    }
    return 0;
}
int refresh(EWin *win)
{
    int len;
    //以下把图片内容写入缓冲
    FILE   *fp;
    int i =0;
    static uchar pic_page1[1024];
    static uchar pic_page2[1024];
    fp = fopen(PIC_FILE2,"r");
    while(!feof(fp))   
    {
        pic_page2[i]=fgetc(fp);
        i++;
    }
    fclose(fp);
    fp = fopen(PIC_FILE1,"r");
    i = 0;
    while(!feof(fp))
    {
        pic_page1[i]=fgetc(fp);
        i++;
    }
    fclose(fp);
    ek_sdc_clear();
    //根据页码绘制图片
    if (0 == _page) 
        ek_sdc_draw_pic(pic_page1);
    else 
        ek_sdc_draw_pic(pic_page2);
    //绘制当前位置
    if(_x>9 && _y==0)
    {
        switch(_x)
        {
        case 10:
            SELECT_OK;
            break;
        case 11:
            SELECT_DEL;
            break;
        case 12:
            SELECT_PAGE;
            break;
        }
    }
    else
        ek_sdc_select(BASE_X + _x*8, BASE_Y+_y*10, BASE_X + (_x+1)*8-2, BASE_Y+(_y+1)*10-2);

    ek_sdc_setcur(2,2,true);
    len=strlen(char_buffer);
    if(len < 22)
        ek_sdc_draw_ascii_raw(char_buffer);
    else
    {
        memcpy(char_buf_1,char_buffer,21);
        char_buf_1[21]='\0';
        ek_sdc_draw_ascii_raw(char_buf_1);
        _p-=(len-21);
        ek_sdc_setcur(2,11,true);
        ek_sdc_draw_ascii_raw(_p);
        _p+=(len-21);
    }
    ek_sdc_flush();

}
int main(int argc, char **argv)
{
    win_main = ek_create_picture_window(PIC_FILE1, 0, NULL, NULL);
    win_main ->on_key  = on_key;
    win_main ->refresh = refresh;
    ek_show_window(win_main,SW_SHOW);
    ek_mio_loop();
    return 0;    
}