payloads/libpayload/curses/form/frm_win.c

   1 /****************************************************************************
   2  * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
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  28
  29 /****************************************************************************
  30  *   Author:  Juergen Pfeifer, 1995,1997                                    *
  31  ****************************************************************************/
  32
  33 #include "form.priv.h"
  34
  35 MODULE_ID("$Id: frm_win.c,v 1.16 2010/01/23 21:14:36 tom Exp $")
  36
  37 /*---------------------------------------------------------------------------
  38 |   Facility      :  libnform
  39 |   Function      :  int set_form_win(FORM *form,WINDOW *win)
  40 |
  41 |   Description   :  Set the window of the form to win.
  42 |
  43 |   Return Values :  E_OK       - success
  44 |                    E_POSTED   - form is posted
  45 +--------------------------------------------------------------------------*/
  46 NCURSES_EXPORT(int)
  47 set_form_win(FORM *form, WINDOW *win)
  48 {
  49   T((T_CALLED("set_form_win(%p,%p)"), (void *)form, (void *)win));
  50
  51   if (form && (form->status & _POSTED))
  52     RETURN(E_POSTED);
  53   else
  54     {
  55 #if NCURSES_SP_FUNCS
  56       FORM *f = Normalize_Form(form);
  57
  58       f->win = win ? win : StdScreen(Get_Form_Screen(f));
  59       RETURN(E_OK);
  60 #else
  61       Normalize_Form(form)->win = win;
  62       RETURN(E_OK);
  63 #endif
  64     }
  65 }
  66
  67 /*---------------------------------------------------------------------------
  68 |   Facility      :  libnform
  69 |   Function      :  WINDOW *form_win(const FORM *)
  70 |
  71 |   Description   :  Retrieve the window of the form.
  72 |
  73 |   Return Values :  The pointer to the Window or stdscr if there is none.
  74 +--------------------------------------------------------------------------*/
  75 NCURSES_EXPORT(WINDOW *)
  76 form_win(const FORM *form)
  77 {
  78   WINDOW *result;
  79   const FORM *f;
  80
  81   T((T_CALLED("form_win(%p)"), (const void *)form));
  82
  83   f = Normalize_Form(form);
  84 #if NCURSES_SP_FUNCS
  85   result = (f->win ? f->win : StdScreen(Get_Form_Screen(f)));
  86 #else
  87   result = (f->win ? f->win : stdscr);
  88 #endif
  89   returnWin(result);
  90 }
  91
  92 /* frm_win.c ends here */