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 ;    
}