screen.c File Reference

#include "precomp.h"

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Functions
INT	CommandScreen (LPTSTR param)

Function Documentation

CommandScreen()

INT CommandScreen

(

LPTSTR

param

)

Definition at line 18 of file screen.c.

{
    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;
}