reactos/base/shell/cmd/screen.c

/*
 * SCREEN.C - screen internal command.
 *
 * clone from 4nt msgbox command
 *
 * 30 Aug 1999
 *     started - Paolo Pantaleo <paolopan@freemail.it>
 *
 *    30-Apr-2005 (Magnus Olsen <magnus@greatlord.com>)
 *        Remove all hardcoded strings in En.rc
 *
 */

#include "precomp.h"

#ifdef INCLUDE_CMD_SCREEN

INT CommandScreen(LPTSTR param)
{
    SHORT x, y;
    SHORT maxx, maxy;
    BOOL bSkipText = FALSE;

    if (_tcsncmp(param, _T("/?"), 2) == 0)
    {
        ConOutResPaging(TRUE,STRING_SCREEN_HELP);
        return 0;
    }

    nErrorLevel = 0;

    /* Retrieve the screen dimensions */
    GetScreenSize(&maxx, &maxy);

    /* Get row */
    while (_istspace(*param))
        param++;

    if (!*param)
    {
        error_req_param_missing();
        return 1;
    }

    y = _ttoi(param);
    if (y < 0 || y > (maxy-1))
    {
        ConOutResPuts(STRING_SCREEN_ROW);
        return 1;
    }

    /* Get column */
    if (!(param = _tcschr(param, _T(' '))))
    {
        error_req_param_missing();
        return 1;
    }

    while (_istspace(*param))
        param++;

    if (!*param)
    {
        error_req_param_missing();
        return 1;
    }

    x = _ttoi(param);
    if (x < 0 || x > (maxx-1))
    {
        ConErrResPuts(STRING_SCREEN_COL);
        return 1;
    }

    /* Get text */
    if (!(param = _tcschr(param, _T(' '))))
    {
        bSkipText = TRUE;
    }
    else
    {
        while (_istspace(*param))
            param++;

        if (!*param)
            bSkipText = TRUE;
    }

    bIgnoreEcho = TRUE;

    if (bSkipText)
        x = 0;

    SetCursorXY(x, y);

    if (!bSkipText)
        ConOutPuts(param);

    return 0;
}

#endif /* INCLUDE_CMD_SCREEN */