/* -------------------------------------------------------------
                         utf8_box.c

    2026 by Horst Schlindwein
  ------------------------------------------------------------- */

#include "utf8textmode.c"

void boxoutwhead(unsigned char x, unsigned char y,
                 unsigned char xlen, unsigned char ylen,
                 unsigned char bordercolor, unsigned char fieldcolor)
{
    int xb,yb;

    settextattr(fieldcolor);
    for (yb= y; yb< y+ylen; yb++)
    {
        gotoxy(x, yb);
        for (xb= x; xb< x+xlen; xb++)
        {
            printf(" ");
        }
    }
    // obere doppelte Linie
    settextattr(bordercolor);
    gotoxy(x+1,y);
    for (xb= 0; xb< xlen-2; xb++)
    {
        printf("%c",205);
    }

    // innere doppelte Linie
    gotoxy(x+1,y+2);
    for (xb= 0; xb< xlen-2; xb++)
    {
        printf("%c",205);
    }

    // untere doppelte Linie
    gotoxy(x+1,y+ylen-1);
    for (xb= 0; xb< xlen-2; xb++)
    {
        printf("%c",205);
    }

    // vertikale Linien
    for (yb= y+1; yb< y+ylen-1; yb++)
    {
       gotoxy(x,yb);
       printf("%c", 186);
       gotoxy(x+xlen-1,yb);
       printf("%c", 186);
    }

    // Eckpunkte
    gotoxy(x,y);               printf("%c",201);   // ╔ links oben 
    gotoxy(x,y+ylen-1);        printf("%c",200);   // ╚ links unten
    gotoxy(x+xlen-1,y);        printf("%c",187);   // ╗ rechts oben
    gotoxy(x+xlen-1,y+ylen-1); printf("%c",188);   // ╚ rechts unten

    // innere Trennlinie
    gotoxy(x,y+2);             printf("%c",204);   // ╠  Verzweigung innere Linie links
    gotoxy(x+xlen-1,y+2);      printf("%c",185);   // ╣  Verzweigung innere Linie rechts
}

int main(void)
{
    settextattr(0x07);
    clrscr();
    boxoutwhead(10,3,40,10, 0x2e, 0x70);
    settextattr(0x20);
    gotoxy(11,4);
    printf(" Hallo Welt                           ");
    settextattr(0x70);
    gotoxy(12,7);
    printf("Eine Textbox mit Rahmenzeichen");
    gotoxy(12,8);
    printf("aus Codepage 850 im Linux Terminal");
    settextattr(0x07);
    gotoxy(1,20);
    printf("\n\n");
}