C++ Clock

#include <ctime>
#include <conio.h>
#include <iostream>
#include <string>
#include <functional>
#include <windows.h>

using namespace std;

HANDLE console = GetStdHandle(STD_OUTPUT_HANDLE);
COORD CursorPosition;

void Draw(int style, int col, int row, int length,int amount, bool fill, int sw );
void gotoXY(int x, int y );
void gotoXY(int x, int y, string text);
void setcursor(bool visible, DWORD size);

int main()
{
    setcursor(0,0);
    int hours, minutes, seconds, t;
    struct tm * timeinfo;
    bool Military_Time = false;

    string AM_PM;

    string Segment[11][10]={
        {" \x11\xDB\xDB\xDB\x10 ","       "," \x11\xDB\xDB\xDB\x10 "," \x11\xDB\xDB\xDB\x10 ","       "," \x11\xDB\xDB\xDB\x10 "," \x11\xDB\xDB\xDB\x10 "," \x11\xDB\xDB\xDB\x10 "," \x11\xDB\xDB\xDB\x10 "," \x11\xDB\xDB\xDB\x10 "},
        {"\x1E     \x1E","      \x1E","      \x1E","      \x1E","\x1E     \x1E","\x1E      ","\x1E      ","      \x1E","\x1E     \x1E","\x1E     \x1E"},
        {"\xDB     \xDB","      \xDB","      \xDB","      \xDB","\xDB     \xDB","\xDB      ","\xDB      ","      \xDB","\xDB     \xDB","\xDB     \xDB"},
        {"\xDB     \xDB","      \xDB","      \xDB","      \xDB","\xDB     \xDB","\xDB      ","\xDB      ","      \xDB","\xDB     \xDB","\xDB     \xDB"},
        {"\x1F     \x1F","      \x1F","      \x1F","      \x1F","\x1F     \x1F","\x1F      ","\x1F      ","      \x1F","\x1F     \x1F","\x1F     \x1F"},
        {"       ","       ", " \x11\xDB\xDB\xDB\x10 "," \x11\xDB\xDB\xDB\x10 "," \x11\xDB\xDB\xDB\x10 "," \x11\xDB\xDB\xDB\x10 "," \x11\xDB\xDB\xDB\x10 ","       "," \x11\xDB\xDB\xDB\x10 "," \x11\xDB\xDB\xDB\x10 "},
        {"\x1E     \x1E","      \x1E","\x1E      ","      \x1E","      \x1E","      \x1E","\x1E     \x1E","      \x1E","\x1E     \x1E","      \x1E"},
        {"\xDB     \xDB","      \xDB","\xDB      ","      \xDB","      \xDB","      \xDB","\xDB     \xDB","      \xDB","\xDB     \xDB","      \xDB"},
        {"\xDB     \xDB","      \xDB","\xDB      ","      \xDB","      \xDB","      \xDB","\xDB     \xDB","      \xDB","\xDB     \xDB","      \xDB"},
        {"\x1F     \x1F","      \x1F","\x1F      ","      \x1F","      \x1F","      \x1F","\x1F     \x1F","      \x1F","\x1F     \x1F","      \x1F"},
        {" \x11\xDB\xDB\xDB\x10 ","       "," \x11\xDB\xDB\xDB\x10 "," \x11\xDB\xDB\xDB\x10 ","       "," \x11\xDB\xDB\xDB\x10 "," \x11\xDB\xDB\xDB\x10 ","       "," \x11\xDB\xDB\xDB\x10 "," \x11\xDB\xDB\xDB\x10 "}
    };
    string Colon[11] = {"       ","       ","       ","   \xFE   ","       ","       ","       ","   \xFE   ","       ","       ","       "};
    Draw(2,2,5,76,15,0,2);
    gotoXY(26,11,"Pressing the \"M\" key");
    gotoXY(26,13,"toggles Military Time");
    Sleep(2000);
    Draw(1,4,6,72,13,1,0);

    gotoXY(73,8,"HR");
    do
    {
        time_t rawtime;
        time ( &rawtime );
        timeinfo = localtime( &rawtime );
        hours = timeinfo->tm_hour;
        seconds = timeinfo->tm_sec;
        minutes = timeinfo->tm_min;

        if (_kbhit())
      {
         char ch = _getch();
         ch = toupper(ch);
         if (ch == 'M')
         {
           Military_Time = !Military_Time;
           ch = ' ';
         }
      }
        if( Military_Time)
        {
            AM_PM = "  ";
            gotoXY(73,7,"24");
        }
        else
        {
        AM_PM = "AM";
        gotoXY(73,7,"12");
        if ( hours >= 12)
            AM_PM = "PM";
        if ( hours == 0 )
            hours = 12;
        if ( hours > 12)
            hours -=12;
        }

        for(t=0;t<11;t++)
        {
            gotoXY(6,7+t);
            cout  << Segment[t][hours/10] << "   " << Segment[t][hours%10] << Colon[t] << Segment[t][minutes/10] << "   " << Segment[t][minutes%10] << Colon[t] << Segment[t][seconds/10] << "   " << Segment[t][seconds%10];
        }

        gotoXY(73,17, AM_PM);
        Sleep(1000);
    } while (true);
}

void Draw(int style, int col, int row, int length,int amount, bool fill, int sw )
{
    // Draws a 1 or 2 line box
    int a;
    if ( sw >4)
        sw = 4;
    style=(style-1)*6;
    char box[24];
    char shdw[5];

    box[0] = '\xDA';
    box[1] = '\xBF';
    box[2] = '\xC0';
    box[3] = '\xD9';
    box[4] = '\xB3';
    box[5] = '\xC4';
    box[6] = '\xC9';
    box[7] = '\xBB';
    box[8] = '\xC8';
    box[9] = '\xBC';
    box[10] = '\xBA';
    box[11] = '\xCD';
    box[12] = '\xD5';//  +
    box[13] = '\xB8';//  +
    box[14] = '\xD4';//  +
    box[15] = '\xBE';//  +
    box[16] = '\xB3';//  ¦
    box[17] = '\xCD';//  -
    box[18] = '\xD6';//  +
    box[19] = '\xB7';//  +
    box[20] = '\xD3';//  +
    box[21] = '\xBD';//  +
    box[22] = '\xBA';// ¦
    box[23] = '\xC4';// -
    shdw[1] = '\xB0';// ¦
    shdw[2] = '\xB1';// ¦
    shdw[3] = '\xB2';// ¦
    shdw[4] = '\xDB';// ¦
    char tl,tr,bl,br,side,edge,shadow;
    tl = box[style];
    tr = box[style+1];
    bl = box[style+2];
    br = box[style+3];
    side = box[style+4];
    edge = box[style+5];
    shadow = shdw[sw];
    string Line(length-2,edge);
    string Shadow(length,shadow);
    string Fill(length-2, ' ');
    gotoXY(col,row);
    cout << tl << Line << tr;
    for (a = 1; a <amount-1;a++)
    {
        gotoXY(col,row+a);
        cout << side;
        if  (fill)
            cout << Fill;
        else
            gotoXY(col+length-1,row+a);
        cout << side;
        if (sw)
            cout << shadow;
    }
    gotoXY(col,(amount+row)-1);
    cout << bl << Line << br;
    if (sw)
    {
        cout << shadow;
        gotoXY(col+1,row+amount , Shadow );
    }
}

void gotoXY(int x, int y)
{
    CursorPosition.X = x;
    CursorPosition.Y = y;
    SetConsoleCursorPosition(console,CursorPosition);
}

void gotoXY(int x, int y, string text)
{

    CursorPosition.X = x;
    CursorPosition.Y = y;
    SetConsoleCursorPosition(console,CursorPosition);
    cout << text;
}

void setcursor(bool visible, DWORD size) // set bool visible = 0 - invisible, bool visible = 1 - visible
{
    if(size == 0)
    {
        size = 20;  // default cursor size
    }
    CONSOLE_CURSOR_INFO lpCursor;
    lpCursor.bVisible = visible;
    lpCursor.dwSize = size;
    SetConsoleCursorInfo(console,&lpCursor);
}