xref: /freebsd-11-stable/contrib/ncurses/form/frm_sub.c

/****************************************************************************
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/****************************************************************************
 *   Author:  Juergen Pfeifer, 1995-1997,2009                               *
 ****************************************************************************/

#include "form.priv.h"

MODULE_ID("$Id: frm_sub.c,v 1.12 2010/01/23 21:14:36 tom Exp $")

/*---------------------------------------------------------------------------
|   Facility      :  libnform
|   Function      :  int set_form_sub(FORM *form, WINDOW *win)
|
|   Description   :  Set the subwindow of the form to win.
|
|   Return Values :  E_OK       - success
|                    E_POSTED   - form is posted
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
set_form_sub(FORM *form, WINDOW *win)
{
  T((T_CALLED("set_form_sub(%p,%p)"), (void *)form, (void *)win));

  if (form && (form->status & _POSTED))
    RETURN(E_POSTED);
  else
    {
#if NCURSES_SP_FUNCS
      FORM *f = Normalize_Form(form);

      f->sub = win ? win : StdScreen(Get_Form_Screen(f));
      RETURN(E_OK);
#else
      Normalize_Form(form)->sub = win;
      RETURN(E_OK);
#endif
    }
}

/*---------------------------------------------------------------------------
|   Facility      :  libnform
|   Function      :  WINDOW *form_sub(const FORM *)
|
|   Description   :  Retrieve the window of the form.
|
|   Return Values :  The pointer to the Subwindow.
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(WINDOW *)
form_sub(const FORM *form)
{
  const FORM *f;

  T((T_CALLED("form_sub(%p)"), (const void *)form));

  f = Normalize_Form(form);
  returnWin(Get_Form_Window(f));
}

/* frm_sub.c ends here */